Cathode Design Based on Nitrogen Redox and Linear Coordination of Cu Center for All-Solid-State Fluoride-Ion Batteries International-journal Peer-reviewed

Datong Zhang, Kentaro Yamamoto, Zulai Cao, Yanchang Wang, Zhuoyan Zhong, Hisao Kiuchi, Toshiki Watanabe, Toshiyuki Matsunaga, Koji Nakanishi, Hidenori Miki, Hideki Iba, Yoshihisa Harada, Koji Amezawa, Kazuhiko Maeda, Hiroshi Kageyama, Yoshiharu Uchimoto

Journal of the American Chemical Society　147　(7)　5649-5657　2025/01/13

DOI： 10.1021/jacs.4c12391 　

ISSN： 0002-7863

eISSN： 1520-5126

Electrochemical lithium-ion insertion/extraction reactions of multilayered graphene with random twist angles International-journal Peer-reviewed

Satoshi Yamamoto, Ryotaro Sakakibara, Soichi Shima, Shinsuke Matsuura, Takeshi Yajima, Munekazu Motoyama, Wataru Norimatsu, Yuta Kimura, Koji Amezawa, Yasutoshi Iriyama

Chemical Communications 2024　60　14790-14793　2024/11/25

DOI： 10.1039/d4cc04441j 　

ISSN： 1359-7345

eISSN： 1364-548X

Origin of O₂Generation in Sulfide-Based All-Solid-State Batteries and its Impact on High Energy Density International-journal Peer-reviewed

Keisuke Yoshikawa, Takeshi Kato, Yasuhiro Suzuki, Akihiro Shiota, Tsuyoshi Ohnishi, Koji Amezawa, Aiko Nakao, Takeshi Yajima, Yasutoshi Iriyama

Advanced Science　11　(34)　2024/09/11

DOI： 10.1002/advs.202402528 　

eISSN： 2198-3844

Reversible Fluoride-Ion (De)Intercalation of CuLaO₂ Cathodes with Crystalline/Amorphous Phase Transition Involving Multi-Electron Reaction International-journal Peer-reviewed

Zulai Cao, Kentaro Yamamoto, Toshiyuki Matsunaga, Mukesh Kumar, Neha Thakur, Toshiki Watanabe, Koji Nakanishi, Hidenori Miki, Hideki Iba, Koji Amezawa, Hiroshi Kageyama, Yoshiharu Uchimoto

ACS Applied Energy Materials　7　(15)　6640-6648　2024/07/30

DOI： 10.1021/acsaem.4c01271 　

ISSN： 2574-0962

eISSN： 2574-0962

Coating layer design principles considering lithium chemical potential distribution within solid electrolytes of solid-state batteries International-journal Peer-reviewed

Yuta Kimura, Takaya Fujisaki, Tetsuya Shimizu, Takashi Nakamura, Yasutoshi Iriyama, Koji Amezawa

Communications Materials　5　(1)　125　2024/07/20

DOI： 10.1038/s43246-024-00578-1 　

eISSN： 2662-4443

High-resolution Li depth profiling in a thin-film all-solid-state battery using TOF-ERDA

T. Majima, Y. Ogura, C. Hasegawa, S. Nakamizo, B. Tsuchiya, K. Amezawa, Y. Iriyama, K. Yasuda

Applied Physics Letters　125　(3)　2024/07/15

DOI： 10.1063/5.0210929 　

ISSN： 0003-6951

eISSN： 1077-3118

Modifications of the charge–discharge behaviour of Fe₂(MoO₄)₃ in all-solid-state lithium-ion batteries International-journal Peer-reviewed

Yuta Kimura, Shintaro Kobayashi, Shogo Kawaguchi, Koji Ohara, Yasuhiro Suzuki, Takashi Nakamura, Yasutoshi Iriyama, Koji Amezawa

RSC Advances　14　(26)　18109-18116　2024/05

DOI： 10.1039/d4ra03058c 　

eISSN： 2046-2069

Protracted Relaxation Dynamics of Lithium Heterogeneity in Solid-State Battery Electrodes International-journal Peer-reviewed

Su Huang, Yuta Kimura, Takashi Nakamura, Nozomu Ishiguro, Oki Sekizawa, Kiyofumi Nitta, Tomoya Uruga, Tomonari Takeuchi, Toyoki Okumura, Mizuki Tada, Yoshiharu Uchimoto, Koji Amezawa

The Journal of Physical Chemistry C　128　(15)　6213-6221　2024/04/05

DOI： 10.1021/acs.jpcc.4c00318 　

ISSN： 1932-7447

eISSN： 1932-7455

Development of Electrochemical Anion Doping Technique for Expansion of Functional Material Exploration International-journal Peer-reviewed

Takuya Katsumata, Hajime Yamamoto, Yuta Kimura, Koji Amezawa, Ryotaro Aso, Soichi Kikkawa, Seiji Yamazoe, Takashi Nakamura

Advanced Functional Materials.2023　33　(50)　2307116　2023/12/08

DOI： 10.1002/adfm.202307116 　

ISSN： 1616-301X

eISSN： 1616-3028

High-Performance Copper/Copper Oxide-Based Cathode Prepared by a Facile Ball-Milling Method for All-Solid-State Fluoride-Ion Batteries International-journal Peer-reviewed

Zulai Cao, Kentaro Yamamoto, Datong Zhang, Toshiyuki Matsunaga, Mukesh Kumar, Neha Thakur, Toshiki Watanabe, Hidenori Miki, Hideki Iba, Koji Amezawa, Yoshiharu Uchimoto

ACS Applied Energy Materials 2023　6　11906-11914　2023/11/16

DOI： 10.1021/acsaem.3c02003 　

ISSN： 2574-0962

eISSN： 2574-0962

5D Analysis of Capacity Degradation in Battery Electrodes Enabled by Operando CT-XANES International-journal Peer-reviewed

Yuta Kimura, Su Huang, Takashi Nakamura, Nozomu Ishiguro, Oki, Sekizawa, Kiyofumi Nitta, Tomoya Uruga, Tomonari Takeuchi, Toyoki Okumura, Mizuki Tada, Yoshiharu Uchimoto, Koji Amezawa

Small Methods　7　(10)　2300310　2023/10/20

DOI： 10.1002/smtd.202300310 　

Structural Investigation of Li2O-LiI Amorphous Solid Electrolytes International-journal Peer-reviewed

Yushi Fujita, Takuya Kimura, Minako Deguchi, Kota Motohashi, Atsushi Sakuda, Masahiro Tatsumisago, Hirofumi Tsukasaki, Shigeo Mori, Kazutaka Ikeda, Koji Ohara, Naoaki Kuwata, Koji Amezawa, Akitoshi Hayashi

Journal of Physical Chemistry C 2023　127　(30)　14687-14693　2023/07

DOI： 10.1021/acs.jpcc.3c03876 　

ISSN： 1932-7447

eISSN： 1932-7455

Structural and electronic characterization of fluorine-doped La0.5Sr0.5CoO3−δ using electron energy-loss spectroscopy International-journal Peer-reviewed

Ryotaro Aso, Takuya Katsumata, Takashi Nakamura, Yusuke Watase, Koji Amezawa, Yasukazu Murakami

Microscopy　73　(1)　22-30　2023/05/27

DOI： 10.1093/jmicro/dfad031 　

ISSN： 2050-5698

eISSN： 2050-5701

(High-Temperature Energy, Materials, & Processes Division Subhash Singhal Award) From Electrochemical to Mechanical Modeling of SOFCs and Their Experimental Validation International-journal Peer-reviewed

Tatsuya Kawada, Satoshi Watanabe, Riyan Achmad Budiman, Keiji Yashiro, Kazuhisa Sato, Toshiyuki Hashida, Yuta Kimura, Takashi Nakamura, Koji Amezawa, Masami Sato, Reika Nomura, Mayu Muramatsu, Kenjiro Terada

ECS Transactions　111　(6)　35-46　2023/05/19

DOI： 10.1149/11106.0035ecst 　

ISSN： 1938-5862

eISSN： 1938-6737

Investigation on Reaction Mechanism in an SOFC Composite Cathode by Using Patterned Thin Film Electrodes International-journal Peer-reviewed

Zhuo Diao, Takaaki Imaizumi, Keita Mizuno, Yuta Kimura, Takashi Nakamura, Keiji Yashiro, Fumitada Iguchi, Tatsuya Kawada, Koji Amezawa

ECS Transactions　111　(6)　1145-1152　2023/05/19

DOI： 10.1149/11106.1145ecst 　

ISSN： 1938-5862

eISSN： 1938-6737

Lithium Ion Transport Environment by Molecular Vibrations in Ion‐Conducting Glasses International-journal Peer-reviewed

Hiroki Yamada, Koji Ohara, Satoshi Hiroi, Atsushi Sakuda, Kazutaka Ikeda, Takahiro Ohkubo, Kengo Nakada, Hirofumi Tsukasaki, Hiroshi Nakajima, Laszlo Temleitner, Laszlo Pusztai, Shunsuke Ariga, Aoto Matsuo, Jiong Ding, Takumi Nakano, Takuya Kimura, Ryo Kobayashi, Takeshi Usuki, Shuta Tahara, Koji Amezawa, Yoshitaka Tateyama, Shigeo Mori, Akitoshi Hayashi

ENERGY & ENVIRONMENTAL MATERIALS　7　(3)　e12612　2023/05

DOI： 10.1002/eem2.12612 　

ISSN： 2575-0356

eISSN： 2575-0356

Revisiting Cationic Doping Impacts in Ni-Rich Cathodes International-journal Peer-reviewed

Xueyan Hou, Takuya Katsumata, Yuta Kimura, Yusuke Tamenori, Kiyofumi Nitta, Hirona Yamagishi, Koji Amezawa, Takashi Nakamura

ACS Applied Energy Materials 2023　6　(3)　2072-2080　2023/01/30

DOI： 10.1021/acsaem.2c04141 　

ISSN： 2574-0962

eISSN： 2574-0962

Revealing Impacts of Anion Defect Species on Fluoride-Ion Conduction of Ruddlesden-Popper Oxyfluoride Ba2ScO3F International-journal Peer-reviewed

Kota MOTOHASHI, Takanori SANADA, Takashi NAKAMURA, Yuta KIMURA, Yoshiharu UCHIMOTO, Koji AMEZAWA

Electrochemistry　90　(12)　127005-127005　2022/12/20

DOI： 10.5796/electrochemistry.22-00114 　

ISSN： 1344-3542

eISSN： 2186-2451

High-temperature ionic logic gates composed of an ionic rectifying solid–electrolyte interface Peer-reviewed

Takashi Nakamura, Miri Honda, Yuta Kimura, Koji Amezawa

RSC Advances　12　(29)　18501-18506　2022/06/23

DOI： 10.1039/d2ra00710j 　

eISSN： 2046-2069

Thermodynamic Analysis Enables Quantitative Evaluation of Lattice Oxygen Stability in Li-Ion Battery Cathodes International-journal Peer-reviewed

Xue-Yan Hou, Yuta Kimura, Yusuke Tamenori, Kiyofumi Nitta, Hirona Yamagishi, Koji Amezawa, Takashi Nakamura

ACS Energy Letters　7　(5)　1687-1693　2022/04/15

DOI： 10.1021/acsenergylett.2c00353 　

ISSN： 2380-8195

eISSN： 2380-8195

Fast fluoride ion conduction of NH4(Mg1-xLix)F3-x and (NH4)2(Mg1-xLix)F4-x assisted by molecular cations International-journal Peer-reviewed

Kota Motohashi, Yosuke Matsukawa, Takashi Nakamura, Yuta Kimura, Naoaki Kuwata, Yoshiharu Uchimoto, Koji Amezawa

Scientific Reports　12　(1)　2022/04

DOI： 10.1038/s41598-022-09835-0 　

eISSN： 2045-2322

Analysis of 2D X-ray Absorption Spectrum Data with Non-negative Matrix Factorization

Aonishi Toru, Tanimoto Hiroki, Hongkun Xu, Mizumaki Masaishiro, Seno Yoshiki, Uchiwada Jumpei, Yamagami Ryo, Kumazoe Hiroyuki, Iwamitsu Kazunori, Kimura Yuta, Amezawa Koji, Akai Ichiro

The Brain & Neural Networks　29　(1)　3-14　2022/03/05

DOI： 10.3902/jnns.29.3 　

ISSN： 1340-766X

eISSN： 1883-0455

3D <i>Operando</i> Analysis of Reaction Distribution in All-Solid-State Batteries Using Synchrotron X-ray Peer-reviewed

Koji AMEZAWA, Yuta KIMURA

Denki Kagaku　90　(1)　32-38　2022/03/05

DOI： 10.5796/denkikagaku.22-fe0008 　

ISSN： 2433-3255

eISSN： 2433-3263

Reversible and Fast (De)fluorination of High‐Capacity Cu 2 O Cathode: One Step Toward Practically Applicable All‐Solid‐State Fluoride‐Ion Battery Peer-reviewed

Datong Zhang, Kentaro Yamamoto, Yanchang Wang, Shenghan Gao, Tomoki Uchiyama, Toshiki Watanabe, Tsuyoshi Takami, Toshiyuki Matsunaga, Koji Nakanishi, Hidenori Miki, Hideki Iba, Koji Amezawa, Kazuhiko Maeda, Hiroshi Kageyama, Yoshiharu Uchimoto

Advanced Energy Materials　11　(45)　2102285-2102285　2021/12

DOI： 10.1002/aenm.202102285 　

ISSN： 1614-6832

eISSN： 1614-6840

In Situ Evaluation of the Influence of Interstitial Oxygen on the Elastic Modulus of La2NiO4 Peer-reviewed

Yuta Kimura, Takashi Nakamura, Koji Amezawa, Keiji Yashiro, Tatsuya Kawada

Metals　11　(12)　1889-1889　2021/11/24

DOI： 10.3390/met11121889 　

eISSN： 2075-4701

Non-negative matrix factorization for 2D-XAS images of lithium ion batteries Peer-reviewed

Hiroki Tanimoto, Xu Hongkun, Masaishiro Mizumaki, Yoshiki Seno, Jumpei Uchiwada, Ryo Yamagami, Hiroyuki Kumazoe, Kazunori Iwamitsu, Yuta Kimura, Koji Amezawa, Ichiro Akai, Toru Aonishi

Journal of Physics Communications　5　(11)　115005-115005　2021/11/01

DOI： 10.1088/2399-6528/ac3268 　

ISSN： 2399-6528

eISSN： 2399-6528

Relationship between microstructure and deformation of porous Ni-based cermets under redox cycling Peer-reviewed

Kazuhisa Sato, Satoshi Watanabe, Yihui Huang, Taihei Miyasaka, Toshiaki Matsui, Keiji Yashiro, Tatsuya Kawada, Koji Amezawa, Keigo Kumada, Koichi Eguchi

SN Applied Sciences　3　(10)　810　2021/10

DOI： 10.1007/s42452-021-04789-w 　

ISSN： 2523-3963

eISSN： 2523-3971

Lattice Oxygen Instability in Oxide‐Based Intercalation Cathodes: A Case Study of Layered LiNi 1/3 Co 1/3 Mn 1/3 O 2 Peer-reviewed

Xueyan Hou, Kento Ohta, Yuta Kimura, Yusuke Tamenori, Kazuki Tsuruta, Koji Amezawa, Takashi Nakamura

Advanced Energy Materials 2021　11　(30)　2101005-2101005　2021/08/12

DOI： 10.1002/aenm.202101005 　

ISSN： 1614-6832

eISSN： 1614-6840

An Appropriate Reference and Counter Electrode in an All-Solid-State Battery using NASICON-structured Solid Electrolyte Peer-reviewed

Yongho Kee, Yasuhiro Suzuki, Norikazu Ishigaki, Munekazu Motoyama, Yuta Kimura, Koji Amezawa, Yasutoshi Iriyama

Electrochemistry Communications　130　107108-107108　2021/08

DOI： 10.1016/j.elecom.2021.107108 　

ISSN： 1388-2481

Evaluation of Reaction Mechanism of PCFC Composite Cathodes by Utilizing Patterned Thin Film Model Electrodes Peer-reviewed

Zhuo Diao, Katsuya Nishidate, Takaaki Imaizumi, Yuta Kimura, Takashi Nakamura, Yuichi Mikami, Tomohiro Kuroha, Keiji Yashiro, Tatsuya Kawada, Koji Amezawa

ECS Transactions　103　(1)　1745-1751　2021/07/09

DOI： 10.1149/10301.1745ecst 　

ISSN： 1938-5862

eISSN： 1938-6737

Experimental Evaluation of Influence of Stress on Li Chemical Potential and Phase Equilibrium in Two-phase Battery Electrode Materials Peer-reviewed

Yuta KIMURA, Keita FUNAYAMA, Mahunnop FAKKAO, Takashi NAKAMURA, Naoaki KUWATA, Tatsuya KAWADA, Junichi KAWAMURA, Koji AMEZAWA

Electrochemistry　89　(4)　355-362　2021/07/05

DOI： 10.5796/electrochemistry.21-00033 　

ISSN： 1344-3542

eISSN： 2186-2451

Rate-Determining Process at Electrode/Electrolyte Interfaces for All-Solid-State Fluoride-Ion Batteries Peer-reviewed

Datong Zhang, Hiroyuki Nakano, Kentaro Yamamoto, Kenta Tanaka, Tatsuma Yahara, Kazuyuki Imai, Takuya Mori, Hidenori Miki, Shinji Nakanishi, Hideki Iba, Toshiki Watanabe, Tomoki Uchiyama, Koji Amezawa, Yoshiharu Uchimoto

ACS Applied Materials & Interfaces　13　(25)　30198-30204　2021/06/30

DOI： 10.1021/acsami.1c06947 　

ISSN： 1944-8244

eISSN： 1944-8252

Oxygen vacancies-rich iron-based perovskite-like electrodes for symmetrical solid oxide fuel cells Peer-reviewed

Yihan Ling, Tian Li, Yang Yang, Yunfeng Tian, Xinxin Wang, Kaixuan Chen, Dehua Dong, Yan Chen, Koji Amezawa

Ceramics International　47　(9)　12916-12925　2021/05

DOI： 10.1016/j.ceramint.2021.01.154 　

ISSN： 0272-8842

Corrigendum to evaluation of electrochemical properties of LaNi0.6Fe0.4O3- - Ce0.9Gd0.1O1.95 composite as air electrode for SOFC solid state ionics, 332, 2019, 70–76 Peer-reviewed

R.A. Budiman, S. Hashimoto, Y. Fujimaki, T. Nakamura, K. Yashiro, K. Amezawa, T. Kawada

Solid State Ionics　363　115608-115608　2021/05

DOI： 10.1016/j.ssi.2021.115608 　

ISSN： 0167-2738

Comparison of electrochemical impedance spectra for electrolyte-supported solid oxide fuel cells (SOFCs) and protonic ceramic fuel cells (PCFCs) Peer-reviewed

Hirofumi Sumi, Hiroyuki Shimada, Yuki Yamaguchi, Yasunobu Mizutani, Yuji Okuyama, Koji Amezawa

SCIENTIFIC REPORTS　11　(1)　2021/05

DOI： 10.1038/s41598-021-90211-9 　

ISSN： 2045-2322

Cu–Pb Nanocomposite Cathode Material toward Room-Temperature Cycling for All-Solid-State Fluoride-Ion Batteries Peer-reviewed

Datong Zhang, Takahiro Yoshinari, Kentaro Yamamoto, Yuya Kitaguchi, Aika Ochi, Koji Nakanishi, Hidenori Miki, Shinji Nakanishi, Hideki Iba, Toshiki Watanabe, Tomoki Uchiyama, Yuki Orikasa, Koji Amezawa, Yoshiharu Uchimoto

ACS Applied Energy Materials　4　(4)　3352-3357　2021/04/26

DOI： 10.1021/acsaem.0c03087 　

ISSN： 2574-0962

eISSN： 2574-0962

Chemomechanical Simulation of LiF-Rich Solid–Electrolyte Interphase Formed from Fluoroethylene Carbonate on a Silicon Anode Peer-reviewed

Yuki Kamikawa, Koji Amezawa, Kenjiro Terada

ACS Applied Energy Materials　4　(4)　3231-3239　2021/04/26

DOI： 10.1021/acsaem.0c03014 　

ISSN： 2574-0962

eISSN： 2574-0962

Performance of Region-Based Markov Random Field with XY Spins Peer-reviewed

Naoki Wada, Masaichiro Mizumaki, Yoshiki Seno, Yuta Kimura, Koji Amezawa, Masato Okada, Ichiro Akai, Toru Aonishi

Journal of the Physical Society of Japan　90　(4)　044003-044003　2021/04/15

DOI： 10.7566/jpsj.90.044003 　

ISSN： 0031-9015

eISSN： 1347-4073

モデル電極を用いたプロトン伝導セラミック燃料電池空気極の反応機構解析 Peer-reviewed

西舘 克弥, 四宮 由貴, 水野 敬太, 木村 勇太, 中村 崇司, 八代 圭司, 川田 達也, 見神 祐一, 山内 孝祐, 黒羽 智宏, 雨澤 浩史

燃料電池　20　(4)　72-79　2021/04

Energy-Loss Near-Edge Structures and Low-Loss Structures of Polymers in a Solid Electrolyte Interface Formed from Fluoroethylene Carbonate on a Si Anode Clarified by DFT Calculations Peer-reviewed

Yuki Kamikawa, Koji Amezawa, Kenjiro Terada

The Journal of Physical Chemistry C　125　(7)　3890-3900　2021/02/25

DOI： 10.1021/acs.jpcc.0c10204 　

ISSN： 1932-7447

eISSN： 1932-7455

Kinetic analysis and alloy designs for metal/metal fluorides toward high rate capability for all-solid-state fluoride-ion batteries Peer-reviewed

Takahiro Yoshinari, Datong Zhang, Kentaro Yamamoto, Yuya Kitaguchi, Aika Ochi, Koji Nakanishi, Hidenori Miki, Shinji Nakanishi, Hideki Iba, Tomoki Uchiyama, Toshiki Watanabe, Toshiyuki Matsunaga, Koji Amezawa, Yoshiharu Uchimoto

Journal of Materials Chemistry A　9　(11)　7018-7024　2021/02

DOI： 10.1039/d0ta12055c 　

ISSN： 2050-7488

eISSN： 2050-7496

La0.8Sr0.2Co1-xNixO3-δ as the Efficient Triple Conductor Air Electrode for Protonic Ceramic Cells Peer-reviewed

Ning Wang, Hajime Toriumi, Yuki Sato, Chunmei Tang, Takashi Nakamura, Koji Amezawa, Sho Kitano, Hiroki Habazaki, Yoshitaka Aoki

ACS Applied Energy Materials　4　(1)　554-563　2021/01/25

DOI： 10.1021/acsaem.0c02447 　

ISSN： 2574-0962

eISSN： 2574-0962

Oxygen defect engineering for the Li-rich cathode material Li1.2Ni0.13Co0.13Mn0.54O2−δ Peer-reviewed

Takashi Nakamura, Kento Ohta, Xueyan Hou, Yuta Kimura, Kazuki Tsuruta, Yusuke Tamenori, Ryotaro Aso, Hideto Yoshida, Koji Amezawa

Journal of Materials Chemistry A　9　(6)　3657-3667　2021/01

DOI： 10.1039/d0ta09521d 　

ISSN： 2050-7488

eISSN： 2050-7496

Understanding the reaction mechanism and performances of 3d transition metal cathodes for all-solid-state fluoride ion batteries Peer-reviewed

Datong Zhang, Kentaro Yamamoto, Aika Ochi, Yanchang Wang, Takahiro Yoshinari, Koji Nakanishi, Hiroyuki Nakano, Hidenori Miki, Shinji Nakanishi, Hideki Iba, Tomoki Uchiyama, Toshiki Watanabe, Koji Amezawa, Yoshiharu Uchimoto

Journal of Materials Chemistry A　9　(1)　406-412　2021

DOI： 10.1039/d0ta08824b 　

ISSN： 2050-7488

eISSN： 2050-7496

Investigation of Cathodic Reaction Mechanism in Solid Oxide Fuel Cells by Operando X-Ray Absorption Spectroscopy Peer-reviewed

Yoichiro TSUJI, Koji AMEZAWA, Takayuki NAKAO, Toshiaki INA, Tatsuya KAWADA, Kentaro YAMAMOTO, Yoshiharu UCHIMOTO, Yuki ORIKASA

Electrochemistry　88　(6)　560-565　2020/11/05

DOI： 10.5796/electrochemistry.20-00108 　

ISSN： 1344-3542

eISSN： 2186-2451

Elastic–Plastic Deformation of a Solid Electrolyte Interface Formed by Reduction of Fluoroethylene Carbonate: A Nanoindentation and Finite Element Analysis Study Peer-reviewed

Yuki Kamikawa, Koji Amezawa, Kenjiro Terada

The Journal of Physical Chemistry C 2020　124　(41)　22488-22495　2020/10/15

DOI： 10.1021/acs.jpcc.0c06420 　

ISSN： 1932-7447

eISSN： 1932-7455

Impact of Oxygen Defects on Electrochemical Processes and Charge Compensation of Li-Rich Cathode Material Li1.2Mn0.6Ni0.2O2−δ Peer-reviewed

Takashi Nakamura, Kento Ohta, Yuta Kimura, Kazuki Tsuruta, Yusuke Tamenori, Ryotaro Aso, Hideto Yoshida, Koji Amezawa

ACS Applied Energy Materials　3　(10)　9703-9713　2020/09/30

DOI： 10.1021/acsaem.0c01303 　

ISSN： 2574-0962

eISSN： 2574-0962

First-Principles Study on the Mechanical Properties of Polymers Formed by the Electrochemical Reduction of Fluoroethylene Carbonate and Vinylene Carbonate Peer-reviewed

Yuki Kamikawa, Koji Amezawa, Kenjiro Terada

The Journal of Physical Chemistry C　124　(37)　19937-19944　2020/09/17

DOI： 10.1021/acs.jpcc.0c04878 　

ISSN： 1932-7447

eISSN： 1932-7455

Influence of Active Material Loading on Electrochemical Reactions in Composite Solid-State Battery Electrodes Revealed by Operando 3D CT-XANES Imaging Peer-reviewed

Yuta Kimura, Mahunnop Fakkao, Takashi Nakamura, Toyoki Okumura, Nozomu Ishiguro, Oki Sekizawa, Kiyofumi Nitta, Tomoya Uruga, Mizuki Tada, Yoshiharu Uchimoto, Koji Amezawa

ACS Applied Energy Materials　3　(8)　7782-7793　2020/08/24

DOI： 10.1021/acsaem.0c01186 　

ISSN： 2574-0962

eISSN： 2574-0962

3D Operando Imaging and Quantification of Inhomogeneous Electrochemical Reactions in Composite Battery Electrodes Peer-reviewed

Yuta Kimura, Aina Tomura, Mahunnop Fakkao, Takashi Nakamura, Nozomu Ishiguro, Oki Sekizawa, Kiyofumi Nitta, Tomoya Uruga, Toyoki Okumura, Mizuki Tada, Yoshiharu Uchimoto, Koji Amezawa

The Journal of Physical Chemistry Letters　11　(9)　3629-3636　2020/04/21

Effect of post-deposition annealing in oxygen atmosphere on LiCoMnO₄ thin films for 5V lithium batteries Peer-reviewed

Norikazu Ishigaki, Naoaki Kuwata, Arunkumar Dorai, Takashi Nakamura, Koji Amezawa, Junichi Kawamura

Thin Solid Films　686　137433-137433　2019/07

DOI： 10.1016/j.tsf.2019.137433 　

ISSN： 0040-6090

Operando Observation of Formation and Annihilation of Inhomogeneous Reaction Distribution in a Composite Electrode for Lithium‐Ion Batteries Peer-reviewed

Takashi Nakamura, Kazuki Chiba, Mahunnop Fakkao, Yuta Kimura, Kiyofumi Nitta, Yasuko Terada, Yoshiharu Uchimoto, Koji Amezawa

Batteries and Supercaps　2　(8)　688-694　2019/06

DOI： 10.1002/batt.201900018 　

eISSN： 2566-6223

Evaluation of the Electronic and Local Structure of Mn in Proton-Conducting Oxide, Ca(Zr, Mn)O_3-δ, To Elucidate a Direct Hydrogen Dissolution Reaction Peer-reviewed

Masatsugu Oishi, Takashi Nakamura, Iwao Watanabe, Takashi Yamamoto, Takuya Doi, Toshiaki Ina, Kiyofumi Nitta, Koji Amezawa, Yuji Okuyama

J. Phys. Chem. C　123　(26)　16034-16045　2019/06

DOI： 10.1021/acs.jpcc.9b03897 　

ISSN： 1932-7447

Guidelines for All-Solid-State Battery Design and Electrode Buffer Layers Based on Chemical Potential Profile Calculation Peer-reviewed

Takashi Nakamura, Koji Amezawa, Jörn Kulisch, Wolfgang G. Zeier, Jürgen Janek

ACS Appl. Mater. Interfaces　11　(22)　19968-19976　2019/05/10

DOI： 10.1021/acsami.9b03053 　

High-valence-state manganate(V) Ba₃Mn₂O₈ as an efficient anode of a proton-conducting solid oxide steam electrolyzer Peer-reviewed

Hajime Toriumi, Taisei Kobayashi, Satoshi Hinokuma, Toshiaki Ina, Takashi Nakamura, Koji Amezawa, Chunyu Zhu, Hiroki Habasaki, Yoshitaka Aoki

Inorganic Chemistry Frontiers　6　(6)　1587-1597　2019/05

DOI： 10.1039/c9qi00253g 　

ISSN： 2052-1553

Influence of microstructures on conductivity in Tysonite-type fluoride ion conductors Peer-reviewed

Kota Motohashi, Takashi Nakamura, Yuta Kimura, Yoshiharu Uchimoto, Koji Amezawa

Solid State Ionics　338　113-120　2019/05

DOI： 10.1016/j.ssi.2019.05.023 　

ISSN： 0167-2738

Evaluation of electrochemical properties of LaNi <inf>0.6</inf> Fe <inf>0.4</inf> O <inf>3−δ</inf> - Ce <inf>0.9</inf> Gd <inf>0.1</inf> O <inf>1.95</inf> composite as air electrode for SOFC Peer-reviewed

R. A. Budiman, S. Hashimoto, Y. Fujimaki, T. Nakamura, K. Yashiro, K. Amezawa, T. Kawada

Solid State Ionics　332　70-76　2019/04

DOI： 10.1016/j.ssi.2018.12.023 　

ISSN： 0167-2738

Defect chemical studies on oxygen release from the Li-rich cathode material Li_1.2Mn_0.6Ni_0.2O_2−δ Peer-reviewed

Takashi Nakamura, Hongze Gao, Kento Ohta, Yuta Kimura, Yusuke Tamenori, Kiyofumi Nitta, Toshiaki Ina, Masatsugu Oishi, Koji Amezawa

J. Mater. Chem. A　7　5009-5019　2019/02

DOI： 10.1039/c8ta12484a 　

Dynamic X-ray spectroscopy of La0.6Sr0. 4CoO3-δ thin film electrodes

B. S. Gerwe, K. Mizuno, O. Sekizawa, K. Nitta, K. Amezawa, S. B. Adler

ECS Transactions　91　(1)　1387-1395　2019

DOI： 10.1149/09101.1387ecst 　

ISSN： 1938-5862 1938-6737

Morphological Effect on Reaction Distribution Influenced by Binder Materials in Composite Electrodes for Sheet-type All-Solid-State Lithium-Ion Batteries with the Sulfide-based Solid Electrolyte Peer-reviewed

Kezheng Chen, Sae Shinjo, Atsushi Sakuda, Kentaro Yamamoto, Tomoki Uchiyama, Kentaro Kuratani, Tomonari Takeuchi, Yuki Orikasa, Akitoshi Hayashi, Masahiro Tatsumisago, Yuta Kimura, Takashi Nakamura, Koji Amezawa, Yoshiharu Uchimoto

J. Phys. Chem. C　123　(6)　3292-3298　2019/01

DOI： 10.1021/acs.jpcc.8b09569 　

ISSN： 1932-7447

eISSN： 1932-7455

Influence of Aging on Mechanical Properties of Yttria-Doped Zirconia Peer-reviewed

Yuta Kimura, Takuto Kushi, Atsushi Unemoto, Koji Amezawa, Tatsuya Kawada

Ceramics　1　(2)　287-303　2018/10

DOI： 10.3390/ceramics1020023 　

Electrochemical performance of LaNi_0.6Co_0.4O_3-δ–Ce_0.9Gd_0.1O_1.95 composite electrode and evaluation of its effective reaction length Peer-reviewed

Riyan Achmad Budiman, Yuya Uzumaki, Shin-ichi Hashimoto, Takashi Nakamura, Keiji Yashiro, Koji Amezawa, Tatsuya Kawada

J. Solid State Electrochem.　22　3955-3963　2018/09

DOI： 10.1007/s10008-018-4102-0 　

Influence of Electrode Reaction on Cr-poisoning in SOFC MIEC Cathodes Peer-reviewed

Shota Kageyama, Yusuke Shindo, Yoshinobu Fujimaki, Keita Mizuno, Yuta Kimura, Takashi Nakamura, Fumitada Iguchi, Keiji Yashiro, Hiroo Yugami, Tatsuya Kawada, Koji Amezawa

13th European SOFC & SOE Forum 2018, Chapter 12　51-58　2018/07

Investigation of Electrode Reaction in Proton Conducting Ceramic Fuel Cell by Using Pattenred Thin Film Model Electrode Peer-reviewed

Yuki Shinomiya, Yoshinobu Fujimaki, Keita Mizuno, Shota Kageyama, Takashi Nakamura, Yuta Kimura, Fumitada Iguchi, Keiji Yashiro, Hiroo Yugami, Tatsuya Kawada, Koji Amezawa

13th European SOFC & SOE Forum 2018, Chapter 08　77-82　2018/07

Impact of Triple Phase Boundary Reaction in SOFC Mixed Conducting Cathodes Peer-reviewed

Keita Mizuno, Yoshinobu Fujimaki, Takashi Nakamura, Yuta Kimura, Kiyofumi Nitta, Oki Sekizawa, Yasuko Terada, Fumitada Iguchi, Keiji Yashiro, Hiroo Yugami, Tatsuya Kawada, Koji Amezawa

13th European SOFC & SOE Forum 2018, Chapter 08　68-76　2018/07

Energy efficiency of ionic transport through proton conducting ceramic electrolytes for energy conversion applications Peer-reviewed

Takashi Nakamura, Shusuke Mizunuma, Yuta Kimura, Yuichi Mikami, Kousuke Yamauchi, Tomohiro Kuroha, Noboru Taniguchi, Yoichiro Tsuji, Yuji Okuyama, Koji Amezawa

Journal of Materials Chemistry A　6　(32)　15771-15780　2018/06

DOI： 10.1039/C8TA05373A 　

ISSN： 2050-7488

eISSN： 2050-7496

Investigation of rate-determining step of LaNi_0.6Co_0.4O_3-δ film electrode Peer-reviewed

Riyan Achmad Budiman, Yuya Uzumaki, Shin-ichi Hashimoto, Takashi Nakamura, Keiji Yashiro, Katherine Develos-Bagarinao, Haruo Kishimoto, Katsuhiko Yamaji, Teruhisa Horita, Koji Amezawa, Tatsuya Kawada

J. Solid State Electrochem.　22　2227-2235　2018/03

Corrigendum to “Evaluation of electrical conductivity and oxygen diffusivity of the typical Ruddlesden-Popper oxide Sr3Fe2O7-δ” (Ceramics International (2017) 43 (16264–16269)(S0272884217319090)(10.1016/j.ceramint.2017.08.211)) Peer-reviewed

Yihan Ling, Tianmin Guo, Xiaozhen Zhang, Riyan Achmad Budiman, Yoshinobu Fujimaki, Takashi Nakamura, Bin Lin, Tatsuya Kawada, Koji Amezawa

Ceramics International　44　(2)　2632　2018/02/01

DOI： 10.1016/j.ceramint.2017.10.122 　

ISSN： 0272-8842

Effect of cation ordering on the performance and chemical stability of layered double perovskite cathodes Peer-reviewed

Carlos Bernuy-Lopez, Laura Rioja-Monllor, Takashi Nakamura, Sandrine Ricote, Ryan O'Hayre, Koji Amezawa, Mari-Ann Einarsrud, Tor Grande

Materials　11　(2)　196-211　2018/01/26

DOI： 10.3390/ma11020196 　

ISSN： 1996-1944

Anisotropy of fracture toughness of stabilized zirconia investigated by nano-identation method Peer-reviewed

Hideaki Ito, Kazuhisa Sato, Atsushi Unemoto, Shin-Ichi Hashimoto, Koji Amezawa, Tatsuya Kawada

Materials Transactions　59　(1)　23-26　2018

DOI： 10.2320/matertrans.MB201705 　

ISSN： 1345-9678

Evaluation of electrical conductivity and oxygen diffusivity of the typical Ruddlesden-Popper oxide Sr₃Fe₂O_7-δ Peer-reviewed

Yihan Ling, Tianmin Guo, Xiaozhen Zhang, Riyan Achmad Budiman, Yoshinobu Fujimaki, Takashi Nakamura, Bin Lin, Tatsuya Kawada, Koji Amezawa

CERAMICS INTERNATIONAL　43　(18)　16264-16269　2017/12

DOI： 10.1016/j.ceramint.2017.08.211 　

ISSN： 0272-8842

eISSN： 1873-3956

Oxygen reduction reaction process of LaNi0.6Fe0.4O3 (-) (delta) film - porous Ce0.9Gd0.1O1.95 heterostructure electrode Peer-reviewed

R. A. Budiman, S. Hashimoto, T. Nakamura, K. Yashiro, K. D. Bagarinao, H. Kishimoto, K. Yamaji, T. Horita, K. Amezawa, T. Kawada

SOLID STATE IONICS　312　80-87　2017/12

DOI： 10.1016/j.ssi.2017.10.007 　

ISSN： 0167-2738

eISSN： 1872-7689

Electronic conduction mechanism and defect chemical model of LaNi0.4Fe0.6O3- (delta) Peer-reviewed

R. A. Budiman, H. J. Hong, S. Hashimoto, T. Nakamura, K. Yamaji, K. Yashiro, K. Amezawa, T. Kawada

SOLID STATE IONICS　310　148-153　2017/11

DOI： 10.1016/j.ssi.2017.08.014 　

ISSN： 0167-2738

eISSN： 1872-7689

Contribution of triple-phase boundary reaction in cathodic reaction of solid oxide fuel cell Peer-reviewed

Y. Fujimaki, K. Mizuno, Y. Kimura, T. Nakamura, K. Develos-Bagarinao, K. Yamaji, K. Yashiro, T. Kawada, F. Iguchi, H. Yugami, K. Amezawa

ECS Transactions　78　(1)　847-853　2017/05/30

DOI： 10.1149/07801.0847ecst 　

ISSN： 1938-6737 1938-5862

Mechanism of chromium poisoning in SOFC cathode investigated by using pattern thin film model electrode Peer-reviewed

K. Amezawa, Y. Shindo, Y. Fujimaki, Y. Kimura, T. Nakamura, F. Iguchi, K. Yashiro, H. Yugami, T. Kawada

ECS Transactions　78　(1)　965-970　2017/05/30

DOI： 10.1149/07801.0965ecst 　

ISSN： 1938-6737 1938-5862

Materials properties for the simulation of electro-chemo-mechanical coupling behavior of SOFC Peer-reviewed

K. Yashiro, T. Kawada, S. Watanabe, M. Muramatsu, T. Sakamoto, S. I. Hashimoto, K. Terada, M. Sato, T. Hashida, K. Sato, F. Iguchi, H. Yugami, K. Amezawa, T. Nakamura, Y. Kimura, A. Unemoto

ECS Transactions　78　(1)　2309-2316　2017/05/30

DOI： 10.1149/07801.2309ecst 　

ISSN： 1938-6737 1938-5862

eISSN： 1938-6737

Defect chemistry and thermodynamic properties of proton dissolution into BaZr(0.9)Y(0.1)o(3-) (delta) Peer-reviewed

Genki Imai, Takashi Nakamura, Koji Amezawa

SOLID STATE IONICS　303　12-15　2017/05

DOI： 10.1016/j.ssi.2017.02.004 　

ISSN： 0167-2738

eISSN： 1872-7689

Operando Soft X-ray Absorption Spectroscopic Study on a Solid Oxide Fuel Cell Cathode during Electrochemical Oxygen Reduction Peer-reviewed

Takashi Nakamura, Ryo Oike, Yuta Kimura, Yusuke Tamenori, Tatsuya Kawada, Koji Amezawa

CHEMSUSCHEM　10　(9)　2008-2014　2017/05

DOI： 10.1002/cssc.201700237 　

ISSN： 1864-5631

eISSN： 1864-564X

Visualization of the reaction distribution in a composite cathode for an all-solid-state lithium-ion battery Peer-reviewed

Mahunnop Fakkao, Kazuki Chiba, Yuta Kimura, Takashi Nakamura, Toyoki Okumura, Kiyofumi Nitta, Yasuko Terada, Yoshiharu Uchimoto, Koji Amezawa

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN　125　(4)　299-302　2017/04

DOI： 10.2109/jcersj2.16253 　

ISSN： 1882-0743

eISSN： 1348-6535

Visualization of Inhomogeneous Reaction Distribution in the Model LiCoO₂ Composite Electrode of Lithium Ion Batteries Peer-reviewed

Takashi Nakamura, Toshiki Watanabe, Yuta Kimura, Koji Amezawa, Kiyofumi Nitta, Hajime Tanida, Koji Ohara, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF PHYSICAL CHEMISTRY C　121　(4)　2118-2124　2017/02

DOI： 10.1021/acs.jpcc.6b12133 　

ISSN： 1932-7447

First-Principles Calculations for the Energetics of the Hydration Reaction of Acceptor-Doped BaZrO₃ Peer-reviewed

Hiroki Takahashi, Isamu Yashima, Koji Amezawa, Koichi Eguchi, Hiroshige Matsumoto, Hitoshi Takamura, Shu Yamaguchi

CHEMISTRY OF MATERIALS　29　(4)　1518-1526　2017/02

DOI： 10.1021/acs.chemmater.6b03907 　

ISSN： 0897-4756

eISSN： 1520-5002

The influence of crystal orientation on the change in Li chemical potential of LiCoO₂ under mechanical stress Peer-reviewed

Mahunnop Fakkao, Yuta Kimura, Keita Funayama, Takashi Nakamura, Naoaki Kuwata, Junichi Kawamura, Tatsuya Kawada, Koji Amezawa

SOLID STATE IONICS　299　8-12　2017/01

DOI： 10.1016/j.ssi.2016.10.011 　

ISSN： 0167-2738

eISSN： 1872-7689

Effect of a (La,Sr)(2)CoO₄ phase on the oxygen exchange reaction of dense and porous (La,Sr)CoO₃ electrodes Invited Peer-reviewed

T. Kawada, K. Yashiro, S. I. Hashimoto, K. Amezawa

SOLID-GAS ELECTROCHEMICAL INTERFACES 2 (SGEI 2)　77　(10)　9-14　2017

DOI： 10.1149/07710.0009ecst 　

ISSN： 1938-5862

Triple Phase Boundary Reaction in a Mixed-Conducting SOFC Cathode Peer-reviewed

K. Amezawa, Y. Fujimaki, K. Mizuno, Y. Kimura, T. Nakamura, K. Nitta, Y. Terada, F. Iguchi, K. Yashiro, H. Yugami, T. Kawada

SOLID-GAS ELECTROCHEMICAL INTERFACES 2 (SGEI 2)　77　(10)　41-47　2017

DOI： 10.1149/07710.0041ecst 　

ISSN： 1938-5862

Bismuth and indium co-doping strategy for developing stable and efficient barium zirconate-based proton conductors for high-performance H-SOFCs Peer-reviewed

Yihan Ling, Hui Chen, Jinan Niu, Fang Wang, Ling Zhao, Xuemei Ou, Takashi Nakamura, Koji Amezawa

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY　36　(14)　3423-3431　2016/11

DOI： 10.1016/j.jeurceramsoc.2016.05.027 　

ISSN： 0955-2219

eISSN： 1873-619X

Oxygen Nonstoichiometry and Thermodynamic Explanation of Large Oxygen-Deficient Ruddlesden-Popper Oxides LaxSr3-xFe2O7- Peer-reviewed

Yihan Ling, Fang Wang, Yusuke Okamoto, Takashi Nakamura, Koji Amezawa

JOURNAL OF THE AMERICAN CERAMIC SOCIETY　99　(11)　3792-3801　2016/11

DOI： 10.1111/jace.14410 　

ISSN： 0002-7820

eISSN： 1551-2916

Erratum: Corrigendum to “Oxygen nonstoichiometry and transport properties of LaNi_0.6Co_0.4O_3 − δ” (Solid State Ionics (2016) 292 (52–58)) Peer-reviewed

R. A. Budiman, Y. Uzumaki, H. J. Hong, T. Miyazaki, S. Hashimoto, T. Nakamura, K. Yashiro, K. Amezawa, T. Kawada

Solid State Ionics　294　1　2016/10/15

DOI： 10.1016/j.ssi.2016.06.017 　

ISSN： 0167-2738

Oxygen nonstoichiometry and transport properties of LaNi_0.6Co_0.4O_3-δ (vol 292, pg 52, 2016) Peer-reviewed

R. A. Budiman, Y. Uzumaki, H. J. Hong, T. Miyazaki, S. Hashimoto, T. Nakamura, K. Yashiro, K. Amezawa, T. Kawada

SOLID STATE IONICS　294　116-116　2016/10

DOI： 10.1016/j.ssi.2016.06.017 　

ISSN： 0167-2738

eISSN： 1872-7689

In-situ Simultaneous Soft X-ray Absorption and Emission Spectroscopy under Controlled Atmosphere and Temperature Peer-reviewed

Ryo Oike, Yusuke Okamoto, Takashi Tokushima, Takashi Nakamura, Koji Amezawa

ELECTROCHEMISTRY　84　(10)　793-796　2016/10

DOI： 10.5796/electrochemistry.84.793 　

ISSN： 1344-3542

Oxygen nonstoichiometry and transport properties of LaNi0.6Co0.4O3-delta Peer-reviewed

R. A. Budiman, Y. Uzumaki, H. J. Hong, T. Miyazaki, S. Hashimoto, T. Nakamura, K. Yashiro, K. Amezawa, T. Kawada

SOLID STATE IONICS　292　52-58　2016/09

DOI： 10.1016/j.ssi.2016.05.005 　

ISSN： 0167-2738

eISSN： 1872-7689

Oxygen nonstoichiometry and transport properties of LaNi0.6Co0.4O3-delta Peer-reviewed

R. A. Budiman, Y. Uzumaki, H. J. Hong, T. Miyazaki, S. Hashimoto, T. Nakamura, K. Yashiro, K. Amezawa, T. Kawada

SOLID STATE IONICS　292　52-58　2016/09

DOI： 10.1016/j.ssi.2016.05.005 　

ISSN： 0167-2738

eISSN： 1872-7689

Oxygen nonstoichiometry and thermodynamic quantities in the Ruddlesden-Popper oxides LaxSr3 (-) xFe2O7-delta Peer-reviewed

Yihan Ling, Fang Wang, Yusuke Okamoto, Takashi Nakamura, Koji Amezawa

SOLID STATE IONICS　288　298-302　2016/05

DOI： 10.1016/j.ssi.2016.01.016 　

ISSN： 0167-2738

eISSN： 1872-7689

Tailoring the chemical stability of cobalt-rich perovskite mixed conductor Peer-reviewed

Fang Wang, Koki Igarashi, Takashi Nakamura, Keiji Yashiro, Junichiro Mizusaki, Koji Amezawa

SOLID STATE IONICS　288　2-5　2016/05

DOI： 10.1016/j.ssi.2016.01.018 　

ISSN： 0167-2738

eISSN： 1872-7689

Electromotive force measurements of LiCoO₂ electrode on a lithium ion-conducting glass ceramics under mechanical stress Peer-reviewed

Keita Funayama, Takashi Nakamura, Naoaki Kuwata, Junichi Kawamura, Tatsuya Kawada, Koji Amezawa

SOLID STATE IONICS　285　75-78　2016/02

DOI： 10.1016/j.ssi.2015.09.009 　

ISSN： 0167-2738

eISSN： 1872-7689

Protonic conduction in SmBO₃ with high-temperature phase Peer-reviewed

Naoto Kitamura, Jun-ichi Yamada, Koji Amezawa, Teiichi Hanada, Yasushi Idemoto

SOLID STATE IONICS　285　170-174　2016/02

DOI： 10.1016/j.ssi.2015.08.012 　

ISSN： 0167-2738

eISSN： 1872-7689

Theoretical study on temperature effect of electronic structure and spin state in LaCoO₃ by using density functional theory Peer-reviewed

Takayoshi Ishimoto, Yumi Ito, Tomofumi Tada, Ryo Oike, Takashi Nakamura, Koji Amezawa, Michihisa Koyama

SOLID STATE IONICS　285　195-201　2016/02

DOI： 10.1016/j.ssi.2015.08.017 　

ISSN： 0167-2738

eISSN： 1872-7689

Evaluation of Li Chemical Potential of Mechanically Stressed LiCoO₂ Peer-reviewed

Yuta Kimura, Mahunnop Fakkao, Keita Funayama, Takashi Nakamura, Naoaki Kuwata, Tatsuya Kawada, Junichi Kawamura, Koji Amezawa

2016 IEEE 16TH INTERNATIONAL CONFERENCE ON NANOTECHNOLOGY (IEEE-NANO)　830-831　2016

DOI： 10.1109/NANO.2016.7751546 　

Modification of Oxygen Surface Exchange Kinetics on a Dense Film of La0.6Sr0.4CoO3-delta by Application of Porous (La,Sr)(2)CoO4 Peer-reviewed

T. Kawada, T. Tairako, K. Nagao, A. Unemoto, M. Sase, K. Yashiro, S. Hashimoto, K. Amezawa

2016 IEEE 16TH INTERNATIONAL CONFERENCE ON NANOTECHNOLOGY (IEEE-NANO)　365-366　2016

DOI： 10.1109/NANO.2016.7751558 　

The determining factor for interstitial oxygen formation in Ruddlesden-Popper type La₂NiO₄-based oxides Peer-reviewed

Takashi Nakamura, Ryo Oike, Yihan Ling, Yusuke Tamenori, Koji Amezawa

PHYSICAL CHEMISTRY CHEMICAL PHYSICS　18　(3)　1564-1569　2016/01

DOI： 10.1039/c5cp05993c 　

ISSN： 1463-9076

eISSN： 1463-9084

Thermal Properties of Perovskite-Type Oxides La0.6Sr0.4Co1-xFexO3-delta (0 &lt;= x &lt;= 1.0) Peer-reviewed

Yu-Cheol Shin, Shin-ichi Hashimoto, Keiji Yashiro, Koji Amezawa, Tatsuya Kawada

IONIC AND MIXED CONDUCTING CERAMICS 10　72　(7)　105-110　2016

DOI： 10.1149/07207.0105ecst 　

ISSN： 1938-5862

Chemically-Induced Structural Deformation of Layered Perovskite Oxides Peer-reviewed

Takashi Nakamura, Koji Amezawa

2016 IEEE 16TH INTERNATIONAL CONFERENCE ON NANOTECHNOLOGY (IEEE-NANO)　429-430　2016

DOI： 10.1109/NANO.2016.7751481 　

Effect of Mechanical Stress on Lithium Chemical Potential in Positive Electrodes and Solid Electrolytes for Lithium Ion Batteries Peer-reviewed

Keita Funayama, Takashi Nakamura, Naoaki Kuwata, Junichi Kawamura, Tatsuya Kawada, Koji Amezawa

ELECTROCHEMISTRY　83　(10)　894-897　2015/10

DOI： 10.5796/electrochemistry.83.894 　

ISSN： 1344-3542

Higherature protonic conduction in LaBO₃ substituted with alkaline earth elements Peer-reviewed

Naoto Kitamura, Koji Amezawa, Nobuyuki Takahashi, Jun-Ichi Yamada, Teiichi Hanada, Naoya Ishida, Yasushi Idemoto

Journal of the Ceramic Society of Japan　123　(1436)　253-256　2015/04/01

DOI： 10.2109/jcersj2.123.253 　

ISSN： 1348-6535 1882-0743

Operando Measurement of Solid Oxide Fuel Cells by Using Synchrotron X-Ray

Amezawa Koji, Takashi Nakamura

Abstract of annual meeting of the Surface Science of Japan　35　311-311　2015

DOI： 10.14886/sssj2008.35.0_311 　

Oxygen nonstoichiometry, the defect equilibrium model and thermodynamic quantities of the Ruddlesden-Popper oxide Sr3Fe2O7-delta Peer-reviewed

Yihan Ling, Fang Wang, Riyan Achmad Budiman, Takashi Nakamura, Koji Amezawa

PHYSICAL CHEMISTRY CHEMICAL PHYSICS　17　(11)　7489-7497　2015

DOI： 10.1039/c4cp05719h 　

ISSN： 1463-9076

eISSN： 1463-9084

Oxygen nonstoichiometry, the defect equilibrium model and thermodynamic quantities of the Ruddlesden-Popper oxide Sr3Fe2O7-delta Peer-reviewed

Yihan Ling, Fang Wang, Riyan Achmad Budiman, Takashi Nakamura, Koji Amezawa

PHYSICAL CHEMISTRY CHEMICAL PHYSICS　17　(11)　7489-7497　2015

DOI： 10.1039/c4cp05719h 　

ISSN： 1463-9076

eISSN： 1463-9084

The effect of interstitial oxygen formation on the crystal lattice deformation in layered perovskite oxides for electrochemical devices Peer-reviewed

Takashi Nakamura, Yihan Ling, Koji Amezawa

JOURNAL OF MATERIALS CHEMISTRY A　3　(19)　10471-10479　2015

DOI： 10.1039/c5ta01504a 　

ISSN： 2050-7488

eISSN： 2050-7496

Determination of effective reaction area in a mixed-conducting SOFC cathode Peer-reviewed

K. Amezawa, Y. Fujimaki, T. Nakamura, K. D. Bagarinao, K. Yamaji, K. Nitta, Y. Terada, F. Iguchi, K. Yashiro, H. Yugami, T. Kawada

ECS Transactions　66　(2)　129-135　2015

DOI： 10.1149/06602.0129ecst 　

ISSN： 1938-6737 1938-5862

Surface modification of LaNi&lt;inf&gt;0.6&lt;/inf&gt;Fe&lt;inf&gt;0.4&lt;/inf&gt;O&lt;inf&gt;3-δ&lt;/inf&gt; film electrode by Ce&lt;inf&gt;0.9&lt;/inf&gt;Gd&lt;inf&gt;0.1&lt;/inf&gt;O&lt;inf&gt;1.95&lt;/inf&gt; porous layer Peer-reviewed

R. A. Budiman, T. Miyazaki, S. Hashimoto, K. Yashiro, K. Amezawa, T. Kawada

ECS Transactions　66　(2)　161-168　2015

DOI： 10.1149/06602.0161ecst 　

ISSN： 1938-6737 1938-5862

Oxygen nonstoichiometry and electrochemical properties of LaNiO&lt;inf&gt;3-δ&lt;/inf&gt; Peer-reviewed

R. A. Budiman, S. Hashimoto, T. Nakamura, K. Yashiro, K. Amezawa, T. Kawada

ECS Transactions　66　(2)　177-183　2015

DOI： 10.1149/06602.0177ecst 　

ISSN： 1938-6737 1938-5862

Quantitative evaluation of electrochemically active area in an sofc cathode by oxygen isotopic exchange measurements of a model patterned electrode Peer-reviewed

Y. Fujimaki, T. Nakamura, K. Develos-Bagarinao, K. Yamaji, K. Yashiro, T. Kawada, F. Iguchi, H. Yugami, K. Amezawa

ECS Transactions　68　(1)　623-630　2015

DOI： 10.1149/06801.0623ecst 　

ISSN： 1938-6737 1938-5862

Theoretical study on oxygen dissociation reaction on LaSrCoO&lt;inf&gt;3&lt;/inf&gt; Peer-reviewed

T. Ishimoto, K. Sato, T. Tada, K. Amezawa, M. Koyama

ECS Transactions　68　(1)　651-655　2015

DOI： 10.1149/06801.0651ecst 　

ISSN： 1938-6737 1938-5862

Electrochemical Study of LaNi0.6Fe0.4O3-delta Film Electrode Peer-reviewed

R. A. Budiman, T. Miyazaki, S. Hashimoto, T. Nakamura, K. Yashiro, K. Amezawa, T. Kawada

JOURNAL OF THE ELECTROCHEMICAL SOCIETY　162　(14)　F1445-F1450　2015

DOI： 10.1149/2.0391514jes 　

ISSN： 0013-4651

eISSN： 1945-7111

Electrochemical Study of LaNi0.6Fe0.4O3-delta Film Electrode Peer-reviewed

R. A. Budiman, T. Miyazaki, S. Hashimoto, T. Nakamura, K. Yashiro, K. Amezawa, T. Kawada

JOURNAL OF THE ELECTROCHEMICAL SOCIETY　162　(14)　F1445-F1450　2015

DOI： 10.1149/2.0391514jes 　

ISSN： 0013-4651

eISSN： 1945-7111

Relationship between Local Structure and Oxide Ionic Diffusion of Nd2NiO4+delta with K2NiF4 Structure Peer-reviewed

Toshiaki Ina, Yuki Orikasa, Titus Masese, Takayuki Nakao, Atsushi Mineshige, Koji Amezawa, Hajime Tanida, Tomoya Uruga, Yoshiharu Uchimoto

ELECTROCHEMISTRY　82　(10)　875-879　2014/10

DOI： 10.5796/electrochemistry.82.875 　

ISSN： 1344-3542

Direct Observation of Rate Determining Step for Nd2NiO4+delta SOFC Cathode Reaction by operando Electrochemical XAS Peer-reviewed

Yuki Orikasa, Toshiaki Ina, Kentaro Yamamoto, Takayuki Nakao, Atsushi Mineshige, Koji Amezawa, Tatsuya Kawada, Hajime Tanida, Tomoya Uruga, Yoshiharu Uchimoto

ELECTROCHEMISTRY　82　(10)　897-900　2014/10

DOI： 10.5796/electrochemistry.82.897 　

ISSN： 1344-3542

Anelastic properties of La0.6Sr0.4Co1 -yFeyO3-delta at high temperatures Peer-reviewed

Yuta Kimura, Julian Tolchard, Mari-Ann Einarsrud, Tor Grande, Koji Arnezawa, Mikio Fukuhara, Shin-ichi Hashimoto, Tatsuya Kawada

SOLID STATE IONICS　262　337-339　2014/09

DOI： 10.1016/j.ssi.2013.08.020 　

ISSN： 0167-2738

eISSN： 1872-7689

Simulation of oxygen diffusion process on electrical conductivity relaxation Peer-reviewed

Honami Kudo, Keiji Yashiro, Shin-ichi Hashimoto, Koji Amezawa, Tatsuya Kawada

SOLID STATE IONICS　262　696-700　2014/09

DOI： 10.1016/j.ssi.2014.01.009 　

ISSN： 0167-2738

eISSN： 1872-7689

Development of in situ soft X-ray absorption spectroscopic technique under high temperature and controlled atmosphere Peer-reviewed

Ryo Oike, Koji Amezawa, Takashi Nakamura, Yusuke Tamenori, Keiji Yashiro, Tatsuya Kawada

SOLID STATE IONICS　262　911-913　2014/09

DOI： 10.1016/j.ssi.2014.01.005 　

ISSN： 0167-2738

eISSN： 1872-7689

Evaluation of the effective reaction zone in a composite cathode for lithium ion batteries Peer-reviewed

Takashi Nakamura, Toshiki Watanabe, Koji Amezawa, Hajime Tanida, Koji Ohara, Yoshiharu Uchimoto, Zempachi Ogumi

SOLID STATE IONICS　262　66-69　2014/09

DOI： 10.1016/j.ssi.2013.10.013 　

ISSN： 0167-2738

eISSN： 1872-7689

Effect of Nb doping on the chemical stability of BSCF-based solid solutions Peer-reviewed

Fang Wang, Takashi Nakamura, Keiji Yashiro, Junichiro Mizusaki, Koji Arnezawa

SOLID STATE IONICS　262　719-723　2014/09

DOI： 10.1016/j.ssi.2014.01.045 　

ISSN： 0167-2738

eISSN： 1872-7689

Oxide ion and electron transport properties in lanthanum silicate oxyapatite ceramics Peer-reviewed

Atsushi Mineshige, Hiroyuki Mieda, Mitsuaki Manabe, Takahiro Funahashi, Yusuke Daiko, Tetsuo Yazawa, Mina Nishi, Katsuhiko Yamaji, Teruhisa Horita, Koji Amezawa, Keiji Yashiro, Tatsuya Kawada, Hideki Yoshioka

SOLID STATE IONICS　262　555-558　2014/09

DOI： 10.1016/j.ssi.2014.04.009 　

ISSN： 0167-2738

eISSN： 1872-7689

Chemically-induced expansion of Zr(0.2)Ce(0.8)O2-delta Peer-reviewed

Sean R. Bishop, Takashi Nakamura, Koji Amezawa

SOLID STATE IONICS　261　1-4　2014/08

DOI： 10.1016/j.ssi.2014.03.026 　

ISSN： 0167-2738

eISSN： 1872-7689

Crystal structure and thermal expansion behavior of oxygen stoichiometric lanthanum strontium manganite at high temperature Peer-reviewed

Yoshikazu Shirai, Shin-Ichi Hashimoto, Kazuhisa Sato, Keiji Yashiro, Koji Amezawa, Junichiro Mizusaki, Tatsuya Kawada

SOLID STATE IONICS　256　83-88　2014/03

DOI： 10.1016/j.ssi.2013.12.042 　

ISSN： 0167-2738

eISSN： 1872-7689

Transient shift of local oxygen potential in nonstoichiometric oxides upon application of mechanical stress Peer-reviewed

Tatsuya Kawada, Tomohisa Masumitsu, Yuta Kimura, Satoshi Watanabe, Shin-ichi Hashimoto, Keiji Yashiro, Koji Amezawa

JOURNAL OF ELECTROCERAMICS　32　(1)　78-85　2014/02

DOI： 10.1007/s10832-013-9885-x 　

ISSN： 1385-3449

eISSN： 1573-8663

The crystal structure, oxygen nonstoichiometry and chemical stability of Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF) Peer-reviewed

Fang Wang, Takashi Nakamura, Keiji Yashiro, Junichiro Mizusaki, Koji Amezawa

PHYSICAL CHEMISTRY CHEMICAL PHYSICS　16　(16)　7307-7314　2014

DOI： 10.1039/c3cp54810d 　

ISSN： 1463-9076

eISSN： 1463-9084

Surface Strontium Segregation of Solid Oxide Fuel Cell Cathodes Proved by In Situ Depth-Resolved X-ray Absorption Spectroscopy Peer-reviewed

Yuki Orikasa, Ethan J. Crumlin, Shinnosuke Sako, Koji Amezawa, Tomoya Uruga, Michael D. Biegalski, Hans M. Christen, Yoshiharu Uchimoto, Yang Shao-Horn

ECS ELECTROCHEMISTRY LETTERS　3　(4)　F23-F26　2014

DOI： 10.1149/2.006404eel 　

ISSN： 2162-8726

eISSN： 2162-8734

Influence of Surface/Interface on the Performance of MIEC Cathode for SOFC Peer-reviewed

H. Sato, K. Yashiro, M. Sasaki, S. Hashimoto, T. Nakamura, K. Amezawa, T. Kawada

IONIC AND MIXED CONDUCTING CERAMICS 9　61　(1)　37-+　2014

DOI： 10.1149/06101.0037ecst 　

ISSN： 1938-5862

Reducing the chemical expansion coefficient in ceria by addition of zirconia Peer-reviewed

S. R. Bishop, D. Marrocchelli, W. Fang, K. Amezawa, K. Yashiro, G. W. Watson

ENERGY & ENVIRONMENTAL SCIENCE　6　(4)　1142-1146　2013/04

DOI： 10.1039/c3ee23917a 　

ISSN： 1754-5692

SOFCの耐久性・信頼性向上のための構成材料の機械的基礎物性研究 Peer-reviewed

佐藤一永, 渡辺智, 雨澤浩史, 川田達也, 橋田俊之

セラミックス　48　(3)　159-164　2013/03

ISSN： 0009-031X

固体酸化物形燃料電池材料の機械的特性のin situ測定 Invited Peer-reviewed

雨澤 浩史, 佐藤 一永, 橋田 俊之, 川田 達也

Netsu Sokutei　40　1-7　2013

A study of nickel-substituted lanthanum cobaltite as cathode materials for SOFCs Peer-reviewed

Y. Uzumaki, S. Hashimoto, K. Amezawa, T. Kawada

HIGH TEMPERATURE CORROSION AND MATERIALS CHEMISTRY 10　50　(44)　29-35　2013

DOI： 10.1149/05044.0029ecst 　

ISSN： 1938-5862

Oxygen Transport in Perovskite Type Oxide La_0.6Sr_0.4Co_0.2Fe_0.8O_3-δ Peer-reviewed

Honami Kudo, Keiji Yashiro, Shin-ichi Hashimoto, Koji Amezawa, Tatsuya Kawada, Junichiro Mizusaki

HIGH TEMPERATURE CORROSION AND MATERIALS CHEMISTRY 10　50　(44)　37-42　2013

DOI： 10.1149/05044.0037ecst 　

ISSN： 1938-5862

固体酸化物形燃料電池材料の機械的特性のin situ測定 Peer-reviewed

雨澤浩史, 佐藤一永, 橋田俊之, 川田達也

熱測定　40　(1)　23-29　2013/01

Oxygen nonstoichiometry of Ce0.6La0.4O 2-δ Peer-reviewed

H. Sato, S. Hashimoto, T. Nakamura, K. Yashiro, K. Amezawa, T. Kawada

ECS Transactions　57　(1)　1125-1133　2013

DOI： 10.1149/05701.1125ecst 　

ISSN： 1938-6737 1938-5862

Structural Changes of Ni/YSZ Cermet for Solid Oxide Fuel Cells in Hydrocarbon Gas Containing Atmospheres Peer-reviewed

Takashi Nakamura, Nobuyuki Ohmura, Keiji Yahiro, Koji Amezawa

SOLID OXIDE FUEL CELLS 13 (SOFC-XIII)　57　(1)　1539-1544　2013

DOI： 10.1149/05701.1539ecst 　

ISSN： 1938-5862

Electrochemical performance and reaction mechanism of LaNi 0.6Fe0.4O3-δ - Ce0.9Gd 0.1O1.95 composite electrode for solid oxide fuel cell Peer-reviewed

R. A. Budiman, S. Hashimoto, K. Yashiro, K. Amezawa, T. Kawada

ECS Transactions　57　(1)　1873-1878　2013

DOI： 10.1149/05701.1873ecst 　

ISSN： 1938-6737 1938-5862

Oxygen Nonstoichiometry and Electrochemical Properties in a Thin Film of Nickel Substituted Lanthanum Cobaltite for SOFCs Peer-reviewed

Y. Uzumaki, S. Hashimoto, T. Nakamura, K. Yashiro, K. Amezawa, T. Kawada

SOLID OXIDE FUEL CELLS 13 (SOFC-XIII)　57　(1)　1893-1899　2013

DOI： 10.1149/05701.1893ecst 　

ISSN： 1938-5862

Cathodic Reaction of Perovskite Oxide Electrodes on a Proton Conducting Electrolyte Peer-reviewed

K. Suzuki, S. Hashimoto, K. Yashiro, K. Amezawa, T. Kawada

SOLID OXIDE FUEL CELLS 13 (SOFC-XIII)　57　(1)　1985-1992　2013

DOI： 10.1149/05701.1985ecst 　

ISSN： 1938-5862

The Effect of Cation Substitution on Chemical Stability of Ba0.5Sr0.5Co0.8Fe0.2O3-delta-Based Mixed Conductors Peer-reviewed

F. Wang, T. Nakamura, K. Yashiro, J. Mizusaki, K. Amezawa

SOLID OXIDE FUEL CELLS 13 (SOFC-XIII)　57　(1)　2041-2049　2013

DOI： 10.1149/05701.2041ecst 　

ISSN： 1938-5862

Electronic Structures of LaCoO₃-Based Oxides Studied by Soft X-ray Absorption Spectroscopy under Controlled Temperatures and Oxygen Partial Pressures Peer-reviewed

R. Oike, K. Amezawa, Y. Tamenori, K. Yashiro, T. Nakamura, T. Kawada

SOLID OXIDE FUEL CELLS 13 (SOFC-XIII)　57　(1)　2051-2056　2013

DOI： 10.1149/05701.2051ecst 　

ISSN： 1938-5862

The Effect of Ferroelasticity of La1-xSrxCo1-yFeyO3-delta on the Mechanical Stability of Solid Oxide Fuel Cells Peer-reviewed

Yuta Kimura, Julian Tolchard, Mari-Ann Einarsrud, Tor Grande, Koji Amezawa, Shin-ichi Hashimoto, Tatsuya Kawada

SOLID OXIDE FUEL CELLS 13 (SOFC-XIII)　57　(1)　635-642　2013

DOI： 10.1149/05701.0635ecst 　

ISSN： 1938-5862

Chemical Expansion in SOFC Materials: Ramifications, Origins, and Mitigation Peer-reviewed

S. R. Bishop, D. Marrocchelli, N. Perry, H. L. Tuller, G. Watson, B. Yildiz, K. Amezawa, J. Kilner

SOLID OXIDE FUEL CELLS 13 (SOFC-XIII)　57　(1)　643-648　2013

DOI： 10.1149/05701.0643ecst 　

ISSN： 1938-5862

Direct Evaluation of Oxygen Chemical Potential Distribution in an SOFC Cathode by In Situ X-Ray Absorption Spectroscopy Peer-reviewed

Y. Fujimaki, H. Watanabe, Y. Terada, T. Nakamura, K. Yashiro, S. Hashimoto, T. Kawada, K. Amezawa

SOLID OXIDE FUEL CELLS 13 (SOFC-XIII)　57　(1)　1925-1932　2013

DOI： 10.1149/05701.1925ecst 　

ISSN： 1938-5862

Electrochemical performance and reaction mechanism of LaNi 0.6Fe0.4O3-δ - Ce0.9Gd 0.1O1.95 composite electrode for solid oxide fuel cell Peer-reviewed

R. A. Budiman, S. Hashimoto, K. Yashiro, K. Amezawa, T. Kawada

ECS Transactions　57　(1)　1873-1878　2013

DOI： 10.1149/05701.1873ecst 　

ISSN： 1938-6737 1938-5862

Direct Evaluation of Oxygen Chemical Potential Distribution in an SOFC Cathode by In Situ X-Ray Absorption Spectroscopy Peer-reviewed

Y. Fujimaki, H. Watanabe, Y. Terada, T. Nakamura, K. Yashiro, S. Hashimoto, T. Kawada, K. Amezawa

SOLID OXIDE FUEL CELLS 13 (SOFC-XIII)　57　(1)　1925-1932　2013

DOI： 10.1149/05701.1925ecst 　

ISSN： 1938-5862

SOFC低温作動化を目指したヘテロ界面電極の創製

八代圭司, 中村崇司, 水崎純一郎, 雨澤浩史, 井口史匡, 柴田佳和, 大沢洋平, 熊谷貴博, 湯上浩雄, 川田達也

第21回SOFC研究発表会予稿集　148-151　2012/12

SOFC構成材料の物理化学的・機械的特性とセル・スタックの信頼性

川田達也, 渡辺智, 坂本正, 尾澤伸樹, 佐藤一永, 橋田俊之, 宇根本篤, 八代圭司, 雨澤浩史, 水崎純一郎, 井口史匡, 橋本真一, 湯上浩雄, 寺田賢二郎

第21回SOFC研究発表会予稿集　28-34　2012/12

Electrical conductivities of strontium-doped rare earth ultraphosphates and oxyphosphates Peer-reviewed

Atsushi Unemoto, Koji Amezawa, Tatsuya Kawada

JOURNAL OF ELECTROCERAMICS　29　(1)　29-36　2012/08

DOI： 10.1007/s10832-012-9734-3 　

ISSN： 1385-3449

eISSN： 1573-8663

Influences of Temperature and Oxygen Partial Pressure on Mechanical Properties of La0.6Sr0.4Co1-yFeyO3-d Peer-reviewed

Yuta Kimura, Takuto Kushi, Shin-ichi Hashimoto, Koji Amezawa, Tatsuya Kawada

JOURNAL OF THE AMERICAN CERAMIC SOCIETY　95　(8)　2608-2613　2012/08

DOI： 10.1111/j.1551-2916.2012.05265.x 　

ISSN： 0002-7820

CHEMICAL STABILITY OF Ba_0.5Sr_0.5Co_0.8Fe_0.2O_3-δ UNDER DIFFERENT OXYGEN PARTIAL PRESSURE Peer-reviewed

FANG WANG, KEIJI YASHIRO, KOJI AMEZAWA, JUNICHIRO MIZUSAKI

Proceedings of the 13th Asian Conference on Solid State Ionics　2012/07/17

EFFECTS OF A PHASE TRANSITION AND OXYGEN NONSTOICHIOMETRY ON ELASTIC MODULUS OF La_0.6Sr_0.4Co_1-yFe_yO_3-δ Peer-reviewed

YUTA KIMURA, TAKUTO KUSHI, TATSUYA KAWADA, SHIN-ICHI HASHIMOTO, KOJI AMEZAWA, KEIJI YASHIRO, JUNICHIRO MIZUSAKI

Proceedings of the 13th Asian Conference on Solid State Ionics　2012/07/17

SOFCの信頼性と構成材料の物理化学的・機械的特性 Peer-reviewed

川田達也, 渡辺智, 坂本正, 井口史匡, 佐藤一永, 橋本真一, 尾澤伸樹, 島崎智実, 寺田賢二郎, 八代圭司, 雨澤浩史, 橋田俊之, 久保百司, 湯上浩雄, 水崎純一郎

水素エネルギーシステム　37　(2)　101-106　2012/06/30

Local structural arrangements around oxygen and hydrogen-related defects in proton conducting LaP3O9 investigated by first principles calculations Peer-reviewed

Koji Amezawa, Hayato Takahashi, Akihide Kuwabara, Atsushi Unemoto, Tatsuya Kawada

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY　37　(9)　7995-8003　2012/05

DOI： 10.1016/j.ijhydene.2011.11.069 　

ISSN： 0360-3199

eISSN： 1879-3487

固体酸化物形燃料電池の現状と今後の展望（2）

雨澤 浩史

Electrochemistry　80　(4)　249-249　2012

DOI： 10.5796/electrochemistry.80.249 　

ISSN： 1344-3542

Mechanical properties of Ni-YSZ cermet anode under SOFC operating condition by using in-situ mechanical testing method Peer-reviewed

Satoshi Watanabe, Kazuhisa Sato, Shinji Sukinou, Fumitada Iguchi, Keiji Yashiro, Koji Amezawa, Hiroo Yugami, Toshiyuki Hashida, Junichiro Mizusaki, Tatsuya Kawada

Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A　78　(787)　349-360　2012

DOI： 10.1299/kikaia.78.349 　

ISSN： 0387-5008

Electrochemical Oxygen Reduction on LaNi0.6Fe0.4O3-delta Film electrode Peer-reviewed

R. A. Budiman, S. Hashimoto, K. Amezawa, T. Kawada

IONIC AND MIXED CONDUCTING CERAMICS 8　45　(1)　287-293　2012

DOI： 10.1149/1.3701318 　

ISSN： 1938-5862

Compositional and Mechanical Stabilities of a (La, Sr)(Co, Fe) O3-delta Cathode under SOFC Operation Invited Peer-reviewed

T. Kawada, M. -Y. Oh, H. Watanabe, Y. Kimura, Y. Fujimaki, T. Masumitsu, S. Watanabe, S. Hashimoto, K. Amezawa

IONIC AND MIXED CONDUCTING CERAMICS 8　45　(1)　307-312　2012

DOI： 10.1149/1.3701320 　

ISSN： 1938-5862

Stability of La0.6Sr0.4Co0.2Fe0.8O3-delta as SOFC Cathode Peer-reviewed

Mi-Young Oh, Atsushi Unemoto, Koji Amezawa, Tatsuya Kawada

JOURNAL OF THE ELECTROCHEMICAL SOCIETY　159　(10)　F659-F664　2012

DOI： 10.1149/2.063210jes 　

ISSN： 0013-4651

SOFCの機械的信頼性・耐久性向上に向けたその場観察手法開発

井口史匡, 佐藤一永, 島崎知実, 尾澤伸樹, 寺田賢二郎, 橋田俊之, 湯上浩雄, 八代圭司, 坂本正, 宇根本篤, 水崎純一郎, 橋本真一, 渡辺智, 雨澤浩史, 川田達也

第20回SOFC研究発表会予稿集　144-147　2011/12

Dependence of property, cathode characteristics, thermodynamic stability, and average and local structures on heat-treatment condition for LiNi0.5Mn0.5O2 as a cathode active material for Li-ion battery Peer-reviewed

Naoto Kitamura, Takuya Hasegawa, Yoshiharu Uchimoto, Koji Amezawa, Yasushi Idemoto

ELECTROCHIMICA ACTA　56　(25)　9453-9458　2011/10

DOI： 10.1016/j.electacta.2011.08.034 　

ISSN： 0013-4686

Elastic modulus and internal friction of SOFC electrolytes at high temperatures under controlled atmospheres Peer-reviewed

Takuto Kushi, Kazuhisa Sato, Atsushi Unemoto, Shinichi Hashimoto, Koji Amezawa, Tatsuya Kawada

JOURNAL OF POWER SOURCES　196　(19)　7989-7993　2011/10

DOI： 10.1016/j.jpowsour.2011.05.040 　

ISSN： 0378-7753

Elastic moduli of Ce0.9Gd0.1O2-delta at high temperatures under controlled atmospheres Peer-reviewed

Koji Amezawa, Takuto Kushi, Kazuhisa Sato, Atsushi Unemoto, Shin-ichi Hashimoto, Tatsuya Kawada

SOLID STATE IONICS　198　(1)　32-38　2011/09

DOI： 10.1016/j.ssi.2011.07.009 　

ISSN： 0167-2738

X-ray Absorption Spectroscopic Study on La0.6Sr0.4CoO3-delta Cathode Materials Related with Oxygen Vacancy Formation Peer-reviewed

Yuki Orikasa, Toshiaki Ina, Takayuki Nakao, Atsushi Mineshige, Koji Amezawa, Masatsugu Oishi, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto

JOURNAL OF PHYSICAL CHEMISTRY C　115　(33)　16433-16438　2011/08

DOI： 10.1021/jp2029642 　

ISSN： 1932-7447

Defects in scandium doped barium zirconate studied by Sc-45 NMR Peer-reviewed

Itaru Oikawa, Mariko Ando, Yasuto Noda, Koji Amezawa, Hajime Kiyono, Tadashi Shimizu, Masataka Tansho, Hideki Maekawa

SOLID STATE IONICS　192　(1)　83-87　2011/06

DOI： 10.1016/j.ssi.2010.04.025 　

ISSN： 0167-2738

Control of mixed protonic and electronic conductivity by mixing rare-earth ortho-borates Peer-reviewed

Hayato Takahashi, Atsushi Unemoto, Koji Amezawa, Tatsuya Kawada

SOLID STATE IONICS　192　(1)　275-278　2011/06

DOI： 10.1016/j.ssi.2010.07.023 　

ISSN： 0167-2738

Structure, Water Uptake, and Electrical Conductivity of TiP2O7 Peer-reviewed

Vajeeston Nalini, Magnus H. Sorby, Koji Amezawa, Reidar Haugsrud, Helmer Fjellvag, Truls Norby

JOURNAL OF THE AMERICAN CERAMIC SOCIETY　94　(5)　1514-1522　2011/05

DOI： 10.1111/j.1551-2916.2010.04281.x 　

ISSN： 0002-7820

eISSN： 1551-2916

Nanoprotonics in perovsikte-type oxides: Reversible changes in color and ion conductivity due to nanoionics phenomenon in platinum-containing perovskite oxide Peer-reviewed

Hiroshige Matsumoto, Takayoshi Tanji, Koji Amezawa, Tatsuya Kawada, Yoshiharu Uchimoto, Yoshihisa Furuya, Takaaki Sakai, Maki Matsuka, Tatsumi Ishihara

SOLID STATE IONICS　182　(1)　13-18　2011/02

DOI： 10.1016/j.ssi.2010.11.016 　

ISSN： 0167-2738

eISSN： 1872-7689

Mechanical Properties of La_0.6Sr_0.4Co_1-yFe_yO_3-δ under Various Temperatures and Oxygen Partial Pressures Peer-reviewed

Y. Kimura, T. Kushi, S. Hashimoto, S. Watanabe, K. Amezawa, T. Kawada, Y. Fukuda, A. Unemoto, K. Sato, K. Yashiro, J. Miuzusaki, T. Hashida

ECS Transactions　35　(1)　2429-2434　2011

Mechanical properties evaluation method for non-stoichiometric materials under high temperature and oxidizing/reducing conditions Peer-reviewed

Satoshi Watanabe, Kazuhisa Sato, Yohei Takeyama, Fumitada Iguchi, Keiji Yashiro, Koji Amezawa, Hiroo Yugami, Toshiyuki Hashida, Junichiro Mizusaki, Tatsuya Kawada

Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A　77　(780)　1357-1366　2011

DOI： 10.1299/kikaia.77.1357 　

ISSN： 0387-5008

Local structural analysis for oxide ion transport in La0.6Sr0.4FeO3-delta cathodes Peer-reviewed

Yuki Orikasa, Takayuki Nakao, Masatsugu Oishi, Toshiaki Ina, Atsushi Mineshige, Koji Amezawa, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto

JOURNAL OF MATERIALS CHEMISTRY　21　(36)　14013-14019　2011

DOI： 10.1039/c1jm11358e 　

ISSN： 0959-9428

An X-ray absorption spectroscopic study on mixed conductive La0.6Sr0.4Co0.8Fe0.2O3-delta cathodes. I. Electrical conductivity and electronic structure Peer-reviewed

Yuki Orikasa, Toshiaki Ina, Takayuki Nakao, Atsushi Mineshige, Koji Amezawa, Masatsugu Oishi, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto

PHYSICAL CHEMISTRY CHEMICAL PHYSICS　13　(37)　16637-16643　2011

DOI： 10.1039/c1cp20982e 　

ISSN： 1463-9076

Mechanical Properties of Ce0.9Gd0.1O2-delta at High Temperatures under Controlled Atmospheres Peer-reviewed

Takuto Kushi, Kazuhisa Sato, Atsushi Unemoto, Koji Amezawa, Tatsuya Kawada

SOLID OXIDE FUEL CELLS 12 (SOFC XII)　35　(1)　1145-1149　2011

DOI： 10.1149/1.3570096 　

ISSN： 1938-5862

Material Stability and Cation Transport of La0.6Sr0.4Co0.2Fe0.8O3-delta in SOFC Cathodic Conditions Peer-reviewed

M. Oh, A. Unemoto, K. Amezawa, T. Kawada

SOLID OXIDE FUEL CELLS 12 (SOFC XII)　35　(1)　2249-2253　2011

DOI： 10.1149/1.3570220 　

ISSN： 1938-5862

Mechanical Properties of La0.6Sr0.4Co0.2Fe0.8O3-d under Various Temperatures and Oxygen Partial Pressures Peer-reviewed

Y. Kimura, T. Kushi, S. Hashimoto, S. Watanabe, K. Amezawa, T. Kawada, Y. Fukuda, A. Unemoto, K. Sato, K. Yashiro, J. Mizusaki, T. Hashida

Electrochemical Society Transactions,　35　(1)　2429-2934　2011

In situ Observation of the Deformation and Mechanical Damage of SOFC Cell/Stack Peer-reviewed

K. Sato, T. Sakamoto, A. Kaimai, K. Yashiro, K. Amezawa, T. Hashida, J. Mizusaki, T. Kawada

SOLID OXIDE FUEL CELLS 12 (SOFC XII)　35　(1)　225-229　2011

DOI： 10.1149/1.3569997 　

ISSN： 1938-5862

Multiscale Simulation of Electro-Chemo-Mechanical Coupling Behavior of PEN Structure under SOFC Operation Peer-reviewed

K. Terada, T. Kawada, K. Sato, F. Iguchi, K. Yashiro, K. Amezawa, M. Kubo, H. Yugami, T. Hashida, J. Mizusaki, H. Watanabe, T. Sasagawa, H. Aoyagi

SOLID OXIDE FUEL CELLS 12 (SOFC XII)　35　(1)　923-933　2011

DOI： 10.1149/1.3570073 　

ISSN： 1938-5862

Ionic Conductivity of Magnesium Titanium Phosphates densified by using Spark Plasma Sintering Method Peer-reviewed

Hiroo Takahashi, Koji Amezawa, Hitoshi Takamura

Proceedings of the 12th Conference of the European Ceramic Society, ECerS XII　2011

Effect of thickness of Gd0.1Ce0.9O1.95 electrolyte films on electrical performance of anode-supported solid oxide fuel cells Peer-reviewed

Changsheng Ding, Hongfei Lin, Kazuhisa Sato, Koji Amezawa, Tatsuya Kawada, Junichiro Mizusaki, Toshiyuki Hashida

JOURNAL OF POWER SOURCES　195　(17)　5487-5492　2010/09

DOI： 10.1016/j.jpowsour.2010.03.075 　

ISSN： 0378-7753

eISSN： 1873-2755

Electrical conduction and mass transport properties of SrZr0.99Fe0.01O3 (-) (delta) Peer-reviewed

Atsushi Unemoto, Atsushi Kaimai, Kazuhisa Sato, Naoto Kitamura, Keiji Yashiro, Hiroshige Matsumoto, Junichiro Mizusaki, Koji Amezawa, Tatsuya Kawada

SOLID STATE IONICS　181　(19-20)　868-873　2010/07

DOI： 10.1016/j.ssi.2010.05.002 　

ISSN： 0167-2738

Synthesis and electrical conductivity of bulk tetra-valent cerium pyrophosphate Peer-reviewed

Hiroaki Onoda, Yousuke Inagaki, Akihide Kuwabara, Naoto Kitamura, Koji Amezawa, Atsuhi Nakahira, Isao Tanaka

Journal of Ceramic Processing Research　11　(3)　344-347　2010/03

J0802-4-4 Development of a gas environment controlled materials testing system for SOFCs

WATANABE Satoshi, SATO Kazuhisa, TAKEYAMA Yohei, SUKINOU Shinji, AMEZAWA Koji, HASHIDA Toshiyuki, KAWADA Tatsuya

The proceedings of the JSME annual meeting　2010　235-236　2010

DOI： 10.1299/jsmemecjo.2010.7.0_235 　

J0802-4-3 Investigation of Mechanical Properties of La_<0.6>Sr_<0.4>Co_<0.2>Fe_<0.8>O_<3-δ> at High Temperatures in Controlled Atmospheres Using Resonance Method

KIMURA Yuta, KUSHI Takuto, WATANABE Satoshi, SATO Kazuhisa, UNEMOTO Atsushi, AMEZAWA Koji, HASHIDA Toshiyuki, KAWADA tatuya

The proceedings of the JSME annual meeting　2010　233-234　2010

DOI： 10.1299/jsmemecjo.2010.7.0_233 　

J0802-4-1 Mechanical properties of zirconia based electrolytes evaluated by nano-indentation test

ITO Hideaki, SATO Kazuhisa, UNEMOTO Atsushi, AMEZAWA Koji, KAWADA Tatsuya

The proceedings of the JSME annual meeting　2010　229-230　2010

DOI： 10.1299/jsmemecjo.2010.7.0_229 　

Oxygen Reduction at the Surface and the Hetero-Interface of La-Sr-Co-O-Oxides Peer-reviewed

Atsushi Unemoto, Kazuki Nagao, Toshiya Tairako, Koji Amezawa, Tatsuya Kawada

IONIC AND MIXED CONDUCTING CERAMICS 7　28　(11)　59-70　2010

DOI： 10.1149/1.3495832 　

ISSN： 1938-5862

EVALUATION OF MECHANICAL PROPERTIES OF SOFC COMPONENTS BY NANO-INDENTATION TESTS Peer-reviewed

Hideaki Ito, Kazuhisa Sato, Atsushi Unemoto, Koji Amezawa, Tatsuya Kawada

PROCEEDINGS OF THE ASME 8TH INTERNATIONAL CONFERENCE ON FUEL CELL SCIENCE, ENGINEERING, AND TECHNOLOGY 2010, VOL 2　FuelCell2010-33158　381-385　2010

DOI： 10.1115/FuelCell2010-33158 　

High Temperature Proton Conductivity of ZrP2O7 Peer-reviewed

Vajeeston Nalini, Koji Amezawa, Wen Xing, Truls Norby

JOURNAL OF THE ELECTROCHEMICAL SOCIETY　157　(10)　B1491-B1498　2010

DOI： 10.1149/1.3474942 　

ISSN： 0013-4651

eISSN： 1945-7111

in situ XAFS測定による燃料電池/リチウムイオン二次電池の反応解析

内本喜晴, 雨澤浩史, 山田淳夫, 高垣昌史, 宇留賀朋哉, 谷田肇, 豊川秀訓, 寺田靖子

KEK Proc　(2009-1)　71-76　2009/05

Electronic structures of partially fluorinated lithium manganese spinel oxides and their electrochemical properties Peer-reviewed

Keisuke Matsumoto, Tomokazu Fukutsuka, Toyoki Okumura, Yoshiharu Uchimoto, Koji Amezawa, Minoru Inaba, Akimasa Tasaka

JOURNAL OF POWER SOURCES　189　(1)　599-601　2009/04

DOI： 10.1016/j.jpowsour.2008.09.073 　

ISSN： 0378-7753

eISSN： 1873-2755

Cathode having high rate performance for a secondary Li-ion cell surface-modified by aluminum oxide nanoparticles Peer-reviewed

Toyoki Okumura, Tomokazu Fukutsuka, Yoshiharu Uchimoto, Koji Amezawa, Shota Kobayashi

JOURNAL OF POWER SOURCES　189　(1)　471-475　2009/04

DOI： 10.1016/j.jpowsour.2008.12.043 　

ISSN： 0378-7753

eISSN： 1873-2755

Improvement of Li-ion conductivity in A-site disordering lithium-lanthanum-titanate perovskite oxides by adding LiF in synthesis Peer-reviewed

Toyoki Okumura, Koji Yokoo, Tomokazu Fukutsuka, Yoshiharu Uchimoto, Morihiro Saito, Koji Amezawa

JOURNAL OF POWER SOURCES　189　(1)　536-538　2009/04

DOI： 10.1016/j.jpowsour.2008.10.056 　

ISSN： 0378-7753

eISSN： 1873-2755

SNTHESIS AND ELECTRICAL CONDUCTIVITY OF TETRA-VALENT CERIUM POLYPHOSPHATE BULKS Peer-reviewed

Hiroaki Onoda, Yousuke Inagaki, Akihide Kuwabara, Naoto Kitamura, Koji Amezawa, Atsuhi Nakahira, Isao Tanaka

Phosphorous Research Bulletin　23　20-24　2009/03

DOI： 10.3363/prb.23.20 　

S0305-3-5 Evaluation of mechanical properties of electrode/electrolyte interface in SOFC by nano-indentation tests

The proceedings of the JSME annual meeting　2009　241-242　2009

DOI： 10.1299/jsmemecjo.2009.1.0_241 　

S0305-3-2 Investigation of Elastic Modulus and Internal Friction of SOFC Electrolytes at High Temperature Using Resonance Method

KUSHI Takuto, SATO Kazuhisa, UNEMOTO Atsushi, AMEZAWA Koji, KAWADA Tatsuya

The proceedings of the JSME annual meeting　2009　235-236　2009

DOI： 10.1299/jsmemecjo.2009.1.0_235 　

Hydrogen Permeation Properties in (Ce,Sr)PO4 Peer-reviewed

Atsushi Unemoto, Naoto Kitamura, Koji Amezawa, Tatsuya Kawada

ELECTROCHEMICAL AND SOLID STATE LETTERS　12　(3)　B43-B47　2009

DOI： 10.1149/1.3065962 　

ISSN： 1099-0062

Investigation of High Temperature Elastic Modulus and Internal Friction of SOFC Electrolytes Using Resonance Method Peer-reviewed

T. Kushi, K. Sato, A. Unemoto, K. Amezawa, T. Kawada

SOLID OXIDE FUEL CELLS 11 (SOFC-XI)　25　(2)　1673-1677　2009

DOI： 10.1149/1.3205705 　

ISSN： 1938-5862

Investigation on Oxygen Potential Distribution in a ZrO2-Based Solid Electrolyte by Using In-Situ Micro XAS Technique Peer-reviewed

K. Amezawa, T. Ina, Y. Orikasa, A. Unemoto, H. Watanabe, F. Iguchi, Y. Terada, T. Fukutsuka, T. Kawada, H. Yugami, Y. Uchimoto

SOLID OXIDE FUEL CELLS 11 (SOFC-XI)　25　(2)　345-348　2009

DOI： 10.1149/1.3205542 　

ISSN： 1938-5862

Electrochemical Analysis on Degradation of Ni-GDC Cermet Anode for SOFC Peer-reviewed

H. Watanabe, A. Unemoto, K. Amezawa, T. Kawada

SOLID OXIDE FUEL CELLS 11 (SOFC-XI)　25　(2)　1939-1944　2009

DOI： 10.1149/1.3205738 　

ISSN： 1938-5862

Classification of Mechanical Failures of SOFC and Strategy for Evaluation of the Operational Margins Peer-reviewed

T. Kawada, S. Watanabe, S. Hashimoto, T. Sakamoto, A. Unemoto, M. Kurumatani, K. Sato, F. Iguchi, K. Yashiro, K. Amezawa, K. Terada, M. Kubo, H. Yugami, T. Hashida, J. Mizusaki

SOLID OXIDE FUEL CELLS 11 (SOFC-XI)　25　(2)　467-472　2009

DOI： 10.1149/1.3205556 　

ISSN： 1938-5862

Relationship between Defect Structures and Electrochemical Properties of (La,Sr)2NiO4 Peer-reviewed

Toshiaki Ina, Hiroyoshi Aoki, Yuki Orikasa, Tomokazu Fukutsuka, Yoshiharu Uchimoto, Koji Amezawa, Tatsuya Kawada

Electrochemical Society Transactions, Ionic and Mixed Conducting Ceramics 6　13　(26)　195-200　2008/11

DOI： 10.1149/1.3050391 　

Anomalous transport property at surface and interface of metal/rare earth doped ceria Peer-reviewed

Haruo Kishimoto, Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Manuel E. Brito, Harumi Yokokawa, Koji Amezawa, Yoshiharu Uchitnoto

SOLID STATE IONICS　179　(27-32)　1343-1346　2008/09

DOI： 10.1016/j.ssi.2008.03.041 　

ISSN： 0167-2738

Oxygen nonstoichiometry of the perovskite-type oxides BaCe0.9M0.1O3-delta (M=Y, Yb, Sm, Tb, and Nd) Peer-reviewed

Masatsugu Oishi, Keiji Yashiro, Kazuhisa Sato, Junichiro Mizusaki, Naoto Kitamura, Koji Amezawa, Tatsuya Kawada, Yoshiharu Uchimoto

SOLID STATE IONICS　179　(15-16)　529-535　2008/06

DOI： 10.1016/j.ssi.2008.03.038 　

ISSN： 0167-2738

Visualization of oxygen transport behavior at metal electrode/oxide electrolyte interface using secondary ion mass spectrometry Peer-reviewed

Haruo Kishimoto, Natsuko Sakai, Katsuhiko Yamaji, Teruhisa Horita, Manuel E. Brito, Harumi Yokokawa, Koji Amezawa, Yoshiharu Uchimoto

SOLID STATE IONICS　179　(9-10)　347-354　2008/05

DOI： 10.1016/j.ssi.2008.02.029 　

ISSN： 0167-2738

Anodic electrode reaction of p-type silicon in 1-ethyl-3-methylimidazolium fluorohydrogenate room-temperature ionic liquid Peer-reviewed

Tetsuya Tsuda, Toshiyuki Nohira, Koji Arnezawa, Kan Hachiya, Rika Hagiwara, Ofer Raz, Yair Ein-Eli

ELECTROCHIMICA ACTA　53　(10)　3650-3655　2008/04

DOI： 10.1016/j.electacta.2007.12.027 　

ISSN： 0013-4686

in situマイクロXAFS測定を用いたSOFCカソードにおける酸素還元反応機構の解明

雨澤浩史, 佐瀬摩耶, 渡邉秀貴, 宇根本篤, 川田達也, 折笠有基, 伊奈稔哲, 内本喜晴, 寺田靖子

Nanotechnology　2　2008/03

Studies on Defect Structures of (La,Sr)2NiO4 by Using X-ray Absorption Spectroscopy

T. Ina, Y. Orikasa, T. Fukutsuka, K. Amezawa, T. Kawada, Y. Uchimoto

ECS Transactions　13　195-200　2008

Hydrogen permeability and electrical properties in oxide composites Peer-reviewed

Atsushi Unemoto, Atsushi Kaimai, Kazuhisa Sato, Keiji Yashiro, Hiroshige Matsumoto, Junichiro Mizusaki, Koji Amezawa, Tatsuya Kawada

SOLID STATE IONICS　178　(31-32)　1663-1667　2008/01

DOI： 10.1016/j.ssi.2007.11.001 　

ISSN： 0167-2738

Electronic and local structures of La1-x SrxCoO 3-δ studied by in-situ micro XAS measurements Peer-reviewed

Koji Amezawa, Yuki Orikasa, Toshiaki Ina, Atsushi Unemoto, Maya Sase, Hidetaka Watanabe, Tomokazu Fukutsuka, Tatsuya Kawada, Yasuko Terada, Yoshiharu Uchimoto

ECS Transactions　13　(26)　161-164　2008

DOI： 10.1149/1.3050388 　

ISSN： 1938-5862 1938-6737

X-ray absorption spectroscopic studies on electronic structure in La 0.6Sr0.4Co0.8Fe0.2O 3-δ perovskite-type oxides Peer-reviewed

Yuki Orikasa, Toshiaki Ina, Tomokazu Fukutsuka, Koji Amezawa, Tatsuya Kawada, Yoshiharu Uchimoto

ECS Transactions　13　(26)　201-205　2008

DOI： 10.1149/1.3050392 　

ISSN： 1938-5862 1938-6737

Proton-electron mixed conduction properties in (Ce,Sr)PO4 Peer-reviewed

A. Unemoto, N. Kitamura, K. Amezawa, T. Kawada

ECS Transactions　13　(26)　337-345　2008

DOI： 10.1149/1.3050405 　

ISSN： 1938-5862 1938-6737

Morphologic and crystallographic studies on electrochemically formed chromium nitride films Peer-reviewed

Koji Amezawa, Takuya Goto, Hiroyuki Tsujimura, Yoshiharu Uchimoto, Rika Hagiwara, Yoichi Tomii, Yasuhiko Ito

ELECTROCHIMICA ACTA　53　(1)　122-126　2007/11

DOI： 10.1016/j.electacta.2007.06.013 　

ISSN： 0013-4686

SOFCモデル電極のマイクロXANES測定

川田達也, 耒順秋, 北村尚斗, 雨澤浩史, 内本喜晴, 宇根本篤, 開米篤志, 寺田靖子

Nanotechnology in SPring-8　9　141-145　2007/11

Electrical conduction properties of Sr-doped Bi-4(SiO4)(3) with the eulytite-type structure Peer-reviewed

Naoto Kitamura, Koji Amezawa, Yoshiharu Uchimoto, Yoichi Tomii, Teiichi Hanada

JOURNAL OF MATERIALS SCIENCE　42　(16)　6566-6571　2007/08

DOI： 10.1007/s10853-007-1518-9 　

ISSN： 0022-2461

eISSN： 1573-4803

Thermoelectric properties and phase transition of (ZnxCu2-x)V2O7 Peer-reviewed

Kotaro Sotojima, Ryosuke O. Suzuki, Koji Amezawa, Yoichi Tomii

MATERIALS TRANSACTIONS　48　(8)　2094-2099　2007/08

DOI： 10.2320/matertrans.E-MRA2007856 　

ISSN： 1345-9678

eISSN： 1347-5320

Spin dynamics in a molecular ferrimagnetic ring, [Mn(hfac)(2)NITPh](6) Peer-reviewed

T. Itou, S. Funahashi, A. Oyamada, S. Maegawa, K. Fujita, K. Amezawa, R. Yamaguchi

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS　310　(2)　1438-1440　2007/03

DOI： 10.1016/j.jmmm.2006.10.457 　

ISSN： 0304-8853

高温電気化学マイクロXAFSによる高性能SOFC電極の最適設計

川田達也, 雨澤浩史, 宇根本篤, 開米篤志, 折笠有基, 内本喜晴, 寺田靖子

Nanotechnology　1　22-23　2007/03

Thermoelectric properties and phase transition of (ZnxCu 2-x)V2O7 Peer-reviewed

Kotaro Sotojima, Ryosuke O. Suzuki, Koji Amezawa, Yoichi Tomii

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy　54　(5)　356-361　2007

DOI： 10.2497/jjspm.54.356 　

ISSN： 0532-8799

Active parts for CH4 decomposition and electrochemical oxidation at metal/oxide interfaces by isotope labeling-secondary ion mass spectrometry Peer-reviewed

Teruhisa Horita, Haruo Kishimoto, Katsuhiko Yamaji, Natsuko Sakai, Yueping Xiong, Manuel E. Brito, Harumi Yokokawa, Muneaki Rai, Koji Amezawa, Yoshiharu Uchimoto

SOLID STATE IONICS　177　(35-36)　3179-3185　2006/11

DOI： 10.1016/j.ssi.2006.07.051 　

ISSN： 0167-2738

Protonic conduction in monoclinic rare earth metaphosphates Peer-reviewed

K. Amezawa, Y. Agari, N. Kitamura, Y. Uchimoto, Y. Tomii

Proceedings of 16th Iketani Conference　403-408　2006/11

Experimental approach to the dynamic behaviors of high temperature electrodes Peer-reviewed

T. Kawada, M. Sase, H. Hosoi, K. Yashiro, J. Mizusaki, N. Sakai, T. Horita, K. Yamaji, H. Yokokawa, M. Rai, N. Kitamura, K. Amezawa, Y. Uchimoto

Proceedings of 16th Iketani Conference　633-636　2006/11

High temperature protonic conduction in Sr-doped LaP3O9 Peer-reviewed

Koji Amezawa, Yoshiharu Uchimoto, Yoichi Tomii

SOLID STATE IONICS　177　(26-32)　2407-2411　2006/10

DOI： 10.1016/j.ssi.2006.05.045 　

ISSN： 0167-2738

Electrical conduction properties of rare earth orthophosphates under reducing conditions Peer-reviewed

Naoto Kitamura, Koji Amezawa, Yoshiharu Uchimoto, Yoichi Tomii, Teiichi Hanada, Naoichi Yamamoto

SOLID STATE IONICS　177　(26-32)　2369-2373　2006/10

DOI： 10.1016/j.ssi.2006.06.009 　

ISSN： 0167-2738

Adsorptive removal of endocrine disrupting chemicals by calix[4]crown oligomer: Significant improvement of removal efficiency by oligomerization Peer-reviewed

H Tsue, T Takimoto, C Kikuchi, H Yanase, K Ishibashi, K Arnezawa, H Miyashita, H Miyafuji, S Tanaka, R Tamura

CHEMISTRY LETTERS　35　(3)　254-255　2006/03

DOI： 10.1246/cl.2006.254 　

ISSN： 0366-7022

eISSN： 1348-0715

SOFCモデル電極のマイクロXANES測定

川田達也, 耒順秋, 北村尚斗, 雨澤浩史, 内本喜晴, 佐藤一永, 開米篤志, 寺田靖子

Nanotechnology in SPring-8　8　156-160　2006/03

Si production by direct electrolytic reduction of solid SiO2 in molten CaCl2

Kouji Yasuda, Toshiyuki Nohira, Koji Amezawa, Yukio H. Ogata, Yasuhiko Ito

Proceedings - Electrochemical Society　PV 2004-24　999-1005　2006

[要修正]フ ェリリング分子磁性体Mn6R6 のスピンダイナミクス Peer-reviewed

舟橋修一, 伊藤哲明, 小山田明, 前川覚, 藤田健一, 雨澤浩史, 山口良平

『京都大学低温物質科学研 究センター誌』第8 号。42 頁　2006

Protonic conduction in acceptor-doped LaP3O9 Peer-reviewed

K Amezawa, Y Kitajima, Y Tomii, N Yamamoto, M Wideroe, T Norby

SOLID STATE IONICS　176　(39-40)　2867-2870　2005/12

DOI： 10.1016/j.ssi.2005.09.017 　

ISSN： 0167-2738

eISSN： 1872-7689

Electrical conduction in Sr-doped (La0.99Ce0.01)PO4 Peer-reviewed

N Kitamura, K Amezawa, Y Tomii, T Hanada, N Yamamoto

SOLID STATE IONICS　176　(39-40)　2875-2879　2005/12

DOI： 10.1016/j.ssi.2005.09.019 　

ISSN： 0167-2738

Electrical conduction properties of LaP3O9 glass and glass-ceramics Peer-reviewed

K Amezawa, T Tomiga, N Yamamoto, T Hanada, Y Tomii

JOURNAL OF THE AMERICAN CERAMIC SOCIETY　88　(11)　3211-3214　2005/11

DOI： 10.1111/j.1551-2916.2005.00538.x 　

ISSN： 0002-7820

eISSN： 1551-2916

Charge-transfer reaction rate at the LiMn2O4 spinel oxide cathode/polymer electrolyte interface Peer-reviewed

Y Uchimoto, K Arnezawa, T Furushita, M Wakihara, Taniguchi, I

SOLID STATE IONICS　176　(31-34)　2377-2381　2005/10

DOI： 10.1016/j.ssi.2005.05.022 　

ISSN： 0167-2738

Adsorptive removal of bisphenol A by calix[4]crown derivatives: Significant contribution of hydrogen bonding interaction to the control of adsorption behavior Peer-reviewed

H Tsue, T Takimoto, C Kikuchi, H Yanase, H Takahashi, K Amezawa, K Ishibashi, S Tanaka, R Tamura

CHEMISTRY LETTERS　34　(7)　1030-1031　2005/07

DOI： 10.1246/cl.2005.1030 　

ISSN： 0366-7022

eISSN： 1348-0715

High temperature protonic conduction in LaPO4 doped with alkaline earth metals Peer-reviewed

K Amezawa, Y Tomii, N Yamamoto

SOLID STATE IONICS　176　(1-2)　135-141　2005/01

DOI： 10.1016/j.ssi.2004.07.003 　

ISSN： 0167-2738

High temperature protonic conduction in Sr2P2O7-LaPO4 system Peer-reviewed

K Amezawa, Y Tomii, N Yamamoto

SOLID STATE IONICS　176　(1-2)　143-148　2005/01

DOI： 10.1016/j.ssi.2004.07.002 　

ISSN： 0167-2738

High temperature protonic conduction in Sr-doped La2Si2O7 Peer-reviewed

K Amezawa, J Yamada, N Kitamura, Y Tomii, T Handa, N Yamamoto

SOLID STATE IONICS　176　(3-4)　341-347　2005/01

DOI： 10.1016/j.ssi.2004.07.015 　

ISSN： 0167-2738

Electrical conduction properties of sr-doped LaPO4 and CePO4 under oxidizing and reducing conditions Peer-reviewed

N Kitamura, K Amezawa, Y Tomii, T Hanada, N Yamamoto, T Omata, S Otsuka-Yao-Matsuo

JOURNAL OF THE ELECTROCHEMICAL SOCIETY　152　(4)　A658-A663　2005

DOI： 10.1149/1.1861993 　

ISSN： 0013-4651

Electrochemical formation and phase control of Pr-Ni alloys in a molten LiCl-KCl-PrCl3 system Peer-reviewed

T Nohira, H Kambara, K Amezawa, Y Ito

JOURNAL OF THE ELECTROCHEMICAL SOCIETY　152　(4)　C183-C189　2005

DOI： 10.1149/1.1864281 　

ISSN： 0013-4651

Mechanism of direct electrolytic reduction of solid SiO2 to Si in molten CaCl2 Peer-reviewed

K Yasuda, T Nohira, K Amezawa, YH Ogata, Y Ito

JOURNAL OF THE ELECTROCHEMICAL SOCIETY　152　(4)　D69-D74　2005

DOI： 10.1149/1.1864453 　

ISSN： 0013-4651

Electrical and mechanical properties of Sr-doped LaPO4 prepared by spark plasma sintering Peer-reviewed

K Amezawa, Y Nishikawa, Y Tomii, N Yamamoto

JOURNAL OF THE ELECTROCHEMICAL SOCIETY　152　(6)　A1060-A1067　2005

DOI： 10.1149/1.1897354 　

ISSN： 0013-4651

eISSN： 1945-7111

High temperature protonic conduction in LaBO3 with the aragonite-type structure Peer-reviewed

Koji Amezawa, Nobuyuki Takahashi, Naoto Kitamura, Yoichi Tomii, Naoichi Yamamoto

Solid State Ionics　175　(1-4)　575-579　2004/11/30

DOI： 10.1016/j.ssi.2004.02.079 　

ISSN： 0167-2738

Hydrogen isotope sensor using high temperature proton conductors Peer-reviewed

H Matsumoto, H Hayashi, T Shimura, K Amezawa, T Otake, K Yashiro, Y Nigara, A Kaimai, T Kawada, H Iwahara, J Mizusaki

SOLID STATE IONICS　175　(1-4)　491-495　2004/11

DOI： 10.1016/j.ssi.2004.01.068 　

ISSN： 0167-2738

Protonic conduction in Sr-doped (La1-xSmx)PO4 Peer-reviewed

N Kitamura, K Amezawa, Y Tomii, N Yamamoto, T Hanada

SOLID STATE IONICS　175　(1-4)　563-567　2004/11

DOI： 10.1016/j.ssi.2004.02.077 　

ISSN： 0167-2738

High-temperature protonic conduction in La7P3O18 Peer-reviewed

A Amezawa, Y Tomii, N Yamamoto

SOLID STATE IONICS　175　(1-4)　569-573　2004/11

DOI： 10.1016/j.ssi.2004.02.078 　

ISSN： 0167-2738

Electrical conduction properties of glass and glass-ceramics in La2O3-P2O5 system

T. Tomiga, N. Yamamoto, T. Hanada, K. Amezawa

Proceedings of 10th International Congress on Glass　2004/10

Synthesis of New Li-Mn Oxide (Li3Mn2O5) Peer-reviewed

Hideki Kawahara, Koji Amezawa, Naoichi Yamamoto

Trans. Mat. Res. Soc. Jpn.　29　(5)　2273-2276　2004/05

High temperature protonic conduction in aragonite-type NdBO3 Peer-reviewed

Koji Amezawa, Hidesato Kondo, Yoichi Tomii, Naoichi Yamamoto

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy　51　(6)　410-414　2004

DOI： 10.2497/jjspm.51.410 　

ISSN： 0532-8799

High-temperature protonic conduction in LaP3O9 Peer-reviewed

K Amezawa, Y Kitajima, Y Tomii, N Yamamoto

ELECTROCHEMICAL AND SOLID STATE LETTERS　7　(12)　A511-A514　2004

DOI： 10.1149/1.1819879 　

ISSN： 1099-0062

High temperature protonic conduction in Ca-doped YPO4 Peer-reviewed

K Amezawa, Y Tomii, N Yamamoto

SOLID STATE IONICS　162　175-180　2003

DOI： 10.1016/S0167-2738(03)00223-6 　

ISSN： 0167-2738

Protonic conduction in rare earth orthophosphates with the monazite structure Peer-reviewed

N Kitamura, K Amezawa, Y Tomii, N Yamamoto

SOLID STATE IONICS　162　161-165　2003

DOI： 10.1016/S0167-2738(03)00219-4 　

ISSN： 0167-2738

Preparation of Proton Conducting Sr-Doped LaPO4 Ceramics with the Spark Plasma Sintering Method Peer-reviewed

Koji Amezawa, Yoshito Nishikawa, Yoichi Tomii, Naoichi Yamamoto

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy　50　(12)　1071-1078　2003

DOI： 10.2497/jjspm.50.1071 　

ISSN： 0532-8799

The synthesis of new bismuth basic nitrate complex oxides by the soft processing -BiO(NO3)-KOH-H2O system- Peer-reviewed

Yuji Nishio, Koji Amezawa, Masayoshi Horibe, Naoichi Yamamoto

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy　49　(7)　593-599　2002

DOI： 10.2497/jjspm.49.593 　

ISSN： 0532-8799

High temperature protonic conduction in Sr-doped NdPO4 Peer-reviewed

Naoto Kitamura, Koji Amezawa, Yoichi Tomii, Naoichi Yamamoto

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy　49　(10)　856-860　2002

DOI： 10.2497/jjspm.49.856 　

ISSN： 0532-8799

The synthesis of new bismuth basic nitrate complex oxides by the soft processing (II) - α - Bi2O3-HNO3-H2O system Peer-reviewed

Yuji Nishio, Koji Amezawa, Masayoshi Horibe, Naoichi Yamamoto

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy　49　(12)　1082-1088　2002

DOI： 10.2497/jjspm.49.1082 　

ISSN： 0532-8799

Protonic conduction and defect structures in Sr-doped LaPO4 Peer-reviewed

K Amezawa, H Maekawa, Y Tomii, N Yamamoto

SOLID STATE IONICS　145　(1-4)　233-240　2001/12

DOI： 10.1016/S0167-2738(01)00963-8 　

ISSN： 0167-2738

Synthesis and characterization of lithium-manganese spinel by hydrothermal method in mixed lithium-alkaline aqueous solution Peer-reviewed

T. Kanasaku, K. Amezawa, N. Yamamoto

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy　48　(9)　830-835　2001

DOI： 10.2497/jjspm.48.830 　

ISSN： 0532-8799

Research of a new low temperature processing route of lithium-manganese spinel using reaction in aqueous solution Peer-reviewed

Masato Arakawa, Tadashi Kanasaku, Koji Amezawa, Naoichi Yamamoto

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy　48　(12)　1139-1144　2001

DOI： 10.2497/jjspm.48.1139 　

ISSN： 0532-8799

Hydrothermal synthesis and electrochemical properties of Li-Mn-spinel Peer-reviewed

T Kanasaku, K Amezawa, N Yamamoto

SOLID STATE IONICS　133　(1-2)　51-56　2000/08

DOI： 10.1016/S0167-2738(00)00734-7 　

ISSN： 0167-2738

Synthesis of lithium-manganese-spinel using hydrothermal methods Peer-reviewed

T. Kanasaku, K. Amezawa, N. Yamamoto

Proceedings of Joint 6th ISHR & 4th ICSTR　431-434　2000/07

Hydrothermal Synthesis of the Bi-Mo-Oxides Peer-reviewed

R. Hashitani, K. Amezawa, M. Horibe, N. Yamamoto

Proceedings of Joint 6th ISHR & 4th ICSTR　545-548　2000/07

A novel synthetic route of A(x)CoO(2) (A = Li or Na) through the ion-exchange reaction of CoOOH by the hydrothermal method Peer-reviewed

T Kanasaku, T Kouda, K Amezawa, N Yamamoto

MOLECULAR CRYSTALS AND LIQUID CRYSTALS　341　(2)　975-980　2000

ISSN： 1058-725X

固体におけるイオン伝導 Peer-reviewed

雨澤 浩史

人環フォーラム　7　(42)　1999/07

Thermodynamic properties and single-electrode Peltier heats of a Li-Al alloy in a LiCl-KCl eutectic melt Peer-reviewed

K Amezawa, N Yamamoto, Y Tomii, Y Ito

JOURNAL OF THE ELECTROCHEMICAL SOCIETY　146　(3)　1069-1074　1999/03

DOI： 10.1149/1.1391722 　

ISSN： 0013-4651

希土類Tb0.76Y0.24の高圧下中性子回折 Peer-reviewed

小杉武史, 雨澤浩史, 徐迅, 川野真治

京都大学原子炉実験所第33回学術講演会論文集　115-119　1999

Neutron diffraction studies of the magnetic structures of Tb0.76Y0.24 single crystal under high pressure Peer-reviewed

T. Kosugi, K. Amezawa, N. Yamamoto, S. Kawano, J. A. Fernandez-Baca

Journal of Physics and Chemistry of Solids　60　(8)　1225-1228　1999

DOI： 10.1016/S0022-3697(99)00090-6 　

ISSN： 0022-3697

Protonic and native conduction in Sr-substituted LaPO4 studied by thermoelectric power measurements Peer-reviewed

K Amezawa, S Kjelstrup, T Norby, Y Ito

JOURNAL OF THE ELECTROCHEMICAL SOCIETY　145　(10)　3313-3319　1998/10

DOI： 10.1149/1.1838805 　

ISSN： 0013-4651

Single electrode Peltier heat of an Li-Al alloy electrode in molten chloride system

Koji Amezawa, Naoichi Yamamoto, Yoichi Tomii, Yasuhiko Ito

Proceedings of 7th China-Japan bilateral conference on molten salt chemistry and technology　147-150　1998/10

Single-electrode Peltier heats of Li-Si alloy electrodes in LiCl-KCl eutectic melt Peer-reviewed

K Amezawa, N Yamamoto, Y Tomii, Y Ito

JOURNAL OF THE ELECTROCHEMICAL SOCIETY　145　(6)　1986-1993　1998/06

DOI： 10.1149/1.1838587 　

ISSN： 0013-4651

Synthesis of lithium manganese spinel by the hydrothermal method Peer-reviewed

Tadashi Kanasaku, Koji Amezawa, Naoichi Yamamoto

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy　45　(8)　758-762　1998

DOI： 10.2497/jjspm.45.758 　

ISSN： 0532-8799

Thermoelectric power measurements of proton conducting Sr-doped LaPO4 Peer-reviewed

K Amezawa, SK Ratkje

DENKI KAGAKU　64　(6)　688-689　1996/06

ISSN： 0366-9297

ELECTROCHEMICAL FORMATION OF PD-LI ALLOYS IN LICL-KCL EUTECTIC MELTS Peer-reviewed

T NOHIRA, K AMEZAWA, Y ITO

JOURNAL OF APPLIED ELECTROCHEMISTRY　25　(1)　48-53　1995/01

ISSN： 0021-891X

THE SINGLE-ELECTRODE PELTIER HEATS OF LI-AL ALLOY ELECTRODES IN LICL-KCL EUTECTIC SYSTEM Peer-reviewed

K AMEZAWA, Y ITO, Y TOMII

JOURNAL OF THE ELECTROCHEMICAL SOCIETY　141　(11)　3096-3103　1994/11

DOI： 10.1149/1.2059284 　

ISSN： 0013-4651

THE EFFECT OF PHASE-CHANGE OF LI-AL ALLOY ELECTRODE ON THERMOELECTRIC-POWER IN LICL-KCL EUTECTIC SYSTEM Peer-reviewed

K AMEZAWA, M OSUGI, Y TOMII, Y ITO

DENKI KAGAKU　61　(7)　736-737　1993/07

ISSN： 0366-9297