Tokyo Institute of Technology   Interdisciplinary Graduate School of Science and Engineering   Assistant Professor

2008.9 - 2011.7

日本学術振興会 特別研究員(PD)

2008

-:Tokyo Institute of Technology Interdisciplinary Science and Engineering assistant professor

2008

JAPAN SOCIETY OF POWDER AND POWDER METALLURGY

Encapsulation of LiCoO2 particles with lithium containing polymer for solid state lithium-ion battery cathodes Reviewed International journal

Steven W. Thompson, Thiago R. Guimarães, Kenta Watanabe, Masaaki Hirayama, Per B. Zetterlund

Polymer   2025.4

Simultaneous Exploration of Candidates for Electrode and Electrolyte Materials for All-Solid-State Batteries Using Predicted Rating from a Recommender System Reviewed International journal

Toshiya Nakayama, Kenta Watanabe, Yudai Iwamizu, Kota Suzuki, Naoki Matsui, Atsuto Seko, Isao Tanaka, Ryoji Kanno, Masaaki Hirayama

ACS Applied Energy Materials   2025.2

Dual modification of LiNbO3 and a lithium-conducting organic polymer at LiCoO2/Li10GeP2S12 interface and lithium intercalation properties in all-solid-state lithium-ion batteries Reviewed International journal

Kenta Watanabe, Han-Seul Kim, Yohei Hasegawa, Steven W. Thompson, Thiago R. Guimarães, Ryoji Kanno, Per B. Zetterlund, Masaaki Hirayama

RSC Applied Interfaces   2025

A trade-off between migration and association energies for hydride-ion conductivity in the SrLiH₃–CaLiH₃–NaLiH₂ system Reviewed International journal

Takashi Hirose, Naoki Matsui, Kenta Watanabe, Takashi Saito, Kazuhiro Mori, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

Dalton Transactions   2025

Synthesis and Structural Characterization of Lithium Ionic Conductors Li2MS3 (M = Si, Si0.5Ge0.5, Ge) and Li16Ge5S18 Reviewed International journal

Yuki Sasaki, Subin Song, Satoshi Hori, Naoki Matsui, Kuniharu Nomoto, Kota Suzuki, Masaaki Hirayama, Inwoo Song, Yongjun Jang, Ryoji Kanno

Chemistry of Materials   2024.8

Mechanical Properties of Li<sub>10.35</sub>Ge<sub>1.35</sub>P<sub>1.65</sub>S<sub>12</sub> with Different Particle Sizes Reviewed International journal

Hanseul Kim, Kazuhiro Hikima, Kenta Watanabe, Naoki Matsui, Kota Suzuki, Satoshi Obokata, Hiroyuki Muto, Atsunori Matsuda, Ryoji Kanno, Masaaki Hirayama

MATERIALS TRANSACTIONS   2024.8

A composite cathode with a three-dimensional ion/electron-conducting structure for all-solid-state lithium–sulfur batteries Invited Reviewed International journal

Peilu Jiang, Huangkai Zhou, Subin Song, Kota Suzuki, Kenta Watanabe, Yumi Yamaguchi, Naoki Matsui, Satoshi Hori, Ryoji Kanno, Masaaki Hirayama

Communications Materials   5 ( 1 )   105   2024.6

Fabrication and High-temperature Electrochemical Stability of LiFePO₄ Cathode/Li₃PO₄ Electrolyte Interface Invited Reviewed International journal

Dongho KANG, Kotaro ITO, Keisuke SHIMIZU, Kenta WATANABE, Naoki MATSUI, Kota SUZUKI, Ryoji KANNO, Masaaki HIRAYAMA

Electrochemistry   2024.3

Formation Processes of a Solid Electrolyte Interphase at a Silicon/Sulfide Electrolyte Interface in a Model All-Solid-State Li-Ion Battery Reviewed International journal

Sho Asano, Jun-Ichi Hata, Kenta Watanabe, Keisuke Shimizu, Naoki Matsui, Norifumi L. Yamada, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama

ACS Applied Materials & Interfaces   16 ( 6 )   7189 - 7199   2024.2

Interfacial structure changes between amorphous silicon anode/liquid electrolyte using a highly dense and flat model electrode Invited Reviewed International journal

Asano, S., Hata, J.-I., Watanabe, K., Matsui, N., Suzuki, K., Kanno, R., Hirayama, M.

Journal of Solid State Electrochemistry   2024.2

Stable Photoelectrochemical Reactions at Solid/Solid Interfaces toward Solar Energy Conversion and Storage Reviewed International journal

Watanabe, K., Horisawa, Y., Yoshimoto, M., Tamura, K., Suzuki, K., Kanno, R., Hirayama, M.

Nano Letters   24 ( 6 )   2024.1

Fluorination/Defluorination Behavior of Y₂C in Fluoride-Ion Battery Anodes Reviewed International journal

Tojigamori, T., Matsui, N., Suzuki, K., Hirayama, M., Abe, T., Kanno, R.

ACS Applied Energy Materials   7 ( 3 )   2024

Electrical Double Layer Formation at Intercalation Cathode–Organic Electrolyte Interfaces During Initial Lithium-Ion Battery Reactions Reviewed International journal

Nakayama, J., Zhou, H., Izumi, J., Watanabe, K., Suzuki, K., Nemoto, F., Yamada, N.L., Kanno, R., Hirayama, M.

Advanced Materials Interfaces   11 ( 5 )   2024

Intercalative and non-intercalative photo-recharge using all-solid-state cells for solar energy conversion and storage Reviewed International journal

Masataka Yoshimoto, Kazuhisa Tamura, Kenta Watanabe, Keisuke Shimizu, Yuhei Horisawa, Takeshi Kobayashi, Hanae Tsurita, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama

Sustainable Energy & Fuels   8 ( 6 )   2024

Mechanical Properties of Li<inf>10.35</inf>Ge<inf>1.35</inf>P<inf>1.65</inf>S<inf>12</inf> with Different Particle Sizes Reviewed International journal

Hanseul Kim, Kazuhiro Hikima, Kenta Watanabe, Naoki Matsui, Kota Suzuki, Satoshi Obokata, Hiroyuki Muto, Atsunori Matsuda, Ryoji Kanno, Masaaki Hirayama

Materials Transactions   65 ( 8 )   861 - 866   2024

Mechanical Properties of Li<inf>10.35</inf>Ge<inf>1.35</inf>P<inf>1.65</inf>S<inf>12</inf> with Different Particle Sizes Reviewed International journal

Hanseul Kim, Kazuhiro Hikima, Kenta Watanabe, Naoki Matsui, Kota Suzuki, Satoshi Obokata, Hiroyuki Muto, Atsunori Matsuda, Ryoji Kanno, Masaaki Hirayama

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   71 ( 3 )   92 - 97   2024

Degradation of a lithium cobalt oxide cathode under high voltage operation at an interface with an oxide solid electrolyte Reviewed International journal

Kotaro Ito, Kazuhisa Tamura, Keisuke Shimizu, Norifumi L. Yamada, Kenta Watanabe, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama

RSC Applied Interfaces   2024

Impedance Analysis and Cyclability Evaluation of Graphite Composite Electrodes with All-Solid-State Three-Electrode Cells Reviewed International journal

Fukunishi, G., Ikezawa, A., Okajima, T., Kitamura, F., Suzuki, K., Hirayama, M., Kanno, R., Arai, H.

ACS Applied Energy Materials   6 ( 21 )   2023.11

Fast Lithium Intercalation Mechanism on Surface‐Modified Cathodes for Lithium‐Ion Batteries Reviewed International journal

Huangkai Zhou, Jun Izumi, Sho Asano, Kotaro Ito, Kenta Watanabe, Kota Suzuki, Fumiya Nemoto, Norifumi L. Yamada, Kohei Aso, Yoshifumi Oshima, Ryoji Kanno, Masaaki Hirayama

Advanced Energy Materials   2023.10

Direct tracking of reaction distribution in an all-solid-state battery using operando scanning electron microscopy with energy dispersive X-ray spectroscopy Reviewed International journal

Noda, T., Kim, H., Watanabe, K., Suzuki, K., Matsui, N., Kanno, R., Hirayama, M.

Journal of the Ceramic Society of Japan   131 ( 10 )   651 - 658   2023.10

Grain boundary modification of Li&lt;sub&gt;3&lt;/sub&gt;PO&lt;sub&gt;4&lt;/sub&gt; and Li&lt;sub&gt;3&lt;/sub&gt;BO&lt;sub&gt;3&lt;/sub&gt; in garnet-type solid electrolyte for suppressing Li dendrite growth Reviewed International journal

Daisuke Mori, Miho Sato, Sou Taminato, Nobuyuki Imanishi, Kota Suzuki, Masaaki Hirayama

Journal of the Ceramic Society of Japan   131 ( 10 )   690 - 695   2023.10

Crack Suppression by Downsizing Sulfide‐Electrolyte Particles for High‐Current‐Density Operation of Metal/Alloy Anodes Reviewed International journal

Han‐Seul Kim, Kenta Watanabe, Naoki Matsui, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama

Batteries & Supercaps   6 ( 10 )   e202300306   2023.10

Electrochemical and mechanical properties and chemical stability of Li<inf>10</inf>GeP<inf>2</inf>S<inf>12</inf>/Al<inf>2</inf>O<inf>3</inf> composite electrolytes Reviewed International journal

Takumi Yabuzaki, Miho Sato, Hanseul Kim, Kenta Watanabe, Naoki Matsui, Kota Suzuki, Satoshi Hori, Kazuhiro Hikima, Satoshi Obokata, Hiroyuki Muto, Atsunori Matsuda, Ryoji Kanno, Masaaki Hirayama

Journal of the Ceramic Society of Japan   131 ( 10 )   675 - 684   2023.10

Microstructure Control of LiCoO2‐Li10GeP2S12 Composite Cathodes by Adjusting the Particle Size Distribution for the Enhancement of All‐Solid‐State Batteries Reviewed International journal

Yuto Yamada, Kenta Watanabe, Han‐Seul Kim, Kota Suzuki, Satoshi Hori, Ryoji Kanno, Masaaki Hirayama

Batteries & Supercaps   6 ( 10 )   e202300261   2023.10

Demonstration of Reversible Photo-Assisted Lithium Extraction at Solid-Solid Interface toward Photo-Rechargeable Battery Reviewed International journal

Masataka Yoshimoto, Kenta Watanabe, Keisuke Shimizu, Kazuhisa Tamura, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama

Extended Abstracts of the 2023 International Conference on Solid State Devices and Materials   2023.9

High H^– Conductivities along the ab-Planes of La₂LiHO₃ Epitaxial Thin Films Reviewed International journal

Yuki Sasahara, Takashi Hirose, Masataka Yoshimoto, Naoki Matsui, Shigeru Kobayashi, Hiroki Ubukata, Fumitaka Takeiri, Kota Suzuki, Masaaki Hirayama, Kazunori Nishio, Ryota Shimizu, Ryoji Kanno, Genki Kobayashi, Taro Hitosugi

Crystal Growth &amp; Design   2023.9

A lithium superionic conductor for millimeter-thick battery electrode Reviewed International journal

Yuxiang Li, Subin Song, Hanseul Kim, Kuniharu Nomoto, Hanvin Kim, Xueying Sun, Satoshi Hori, Kota Suzuki, Naoki Matsui, Masaaki Hirayama, Teruyasu Mizoguchi, Takashi Saito, Takashi Kamiyama, Ryoji Kanno

Science   2023.7

AC impedance analysis of NCM523 composite electrodes in all-solid-state three electrode cells and their degradation behavior Reviewed International journal

Fukunishi, G., Tabuchi, M., Ikezawa, A., Okajima, T., Kitamura, F., Suzuki, K., Hirayama, M., Kanno, R., Arai, H.

Journal of Power Sources   564   2023.4

Synthesis and Electrochemical Properties of Quaternary and Quinary γ-Li₃PO₄-Type Materials: Effects of Compositional Complexity in Lithium Superionic Conductors Reviewed International journal

Suzuki, K., Kamiya, M., Matsui, N., Hori, S., Hirayama, M., Kanno, R.

Journal of Physical Chemistry C   127 ( 23 )   2023

Accelerated Exploration of Fast Fluoride-Ion Conductors Based on Compositional Descriptors Reviewed International journal

Matsui, N., Seki, T., Suzuki, K., Hirayama, M., Kanno, R.

ACS Applied Energy Materials   6 ( 22 )   2023

Search for Lithium Ion Conducting Oxides Using the Predicted Ionic Conductivity by Machine Learning Reviewed International journal

Iwamizu, Y., Suzuki, K., Matsui, N., Hirayama, M., Kanno, R.

Materials Transactions   64 ( 1 )   2023

Understanding the impedance spectra of all-solid-state lithium battery cells with sulfide superionic conductors Reviewed International journal

Hori, S., Kanno, R., Sun, X., Song, S., Hirayama, M., Hauck, B., Dippon, M., Dierickx, S., Ivers-Tiff{\'e}e

Journal of Power Sources   556   2023

Sulfur-rich composite cathodes using carbon replica frameworks for all-solid-state lithiumsulfur batteries Reviewed International journal

Suzuki, K., Cui, J., Peilu, J., Kim, H., Yamaguchi, Y., Hori, S., Hirayama, M., Kanno, R.

Journal of the Ceramic Society of Japan   131 ( 10 )   2023

Oxygen Reduction Activity and Interfacial Structures of La_0.8Sr_0.2CoO₃ at Initial Electrochemical Process in an Alkaline Solution Reviewed International journal

Akira MATSUZAKI, Masaaki HIRAYAMA, Shouya OHGUCHI, Mamoru KOMO, Atsunori IKEZAWA, Kota SUZUKI, Kazuhisa TAMURA, Hajime ARAI, Ryoji KANNO

Electrochemistry   90 ( 10 )   107001 - 107001   2022.10

Extending the Frontiers of Lithium-Ion Conducting Oxides: Development of Multicomponent Materials with γ‑Li₃PO₄‑Type Structures Reviewed International journal

Zhao, G., Suzuki, K., Okumura, T., Takeuchi, T., Hirayama, M., Kanno, R.

Chemistry of Materials   34 ( 9 )   2022.5

Hydride-ion conductivity and enhanced atmospheric stability of hydride-fluoride SrMgH4–xFx Reviewed International journal

Nur Ayu, Naoki Matsui, Guangzhong Jiang, Takashi Hirose, Takashi Itoh, Takeya Mezaki, Yoshitake Toda, Kota Suzuki, Masaaki Hirayama, Takashi Saito, Takashi Kamiyama, Ryoji Kanno

2022.5

Operando analysis of electronic band structure in an all-solid-state thin-film battery Reviewed International journal

Kazuhiro Hikima, Keisuke Shimizu, Hisao Kiuchi, Yoyo Hinuma, Kota Suzuki, Masaaki Hirayama, Eiichiro Matsubara, Ryoji Kanno

COMMUNICATIONS CHEMISTRY   5 ( 1 )   2022.4

Combinatorial Synthesis and Ionic Conductivity of Amorphous Oxynitrides in a Pseudo-ternary Li₃PO₄-Li₄SiO₄-LiAlO₂ System Reviewed International journal

Shunsuke SASAKI, Atsuo ONO, Akiyoshi SUZUKI, Masaki TAKEI, Kota SUZUKI, Masaaki HIRAYAMA, Ryoji KANNO

Electrochemistry   2022.3

Reversible Charge/Discharge Reaction of a Ternary Metal Fluoride, Pb<inf>2</inf>CuF<inf>6</inf>: A Highly Conductive Cathode Material for Fluoride-Ion Batteries Reviewed International journal

Takeshi Tojigamori, Hiroshi Nakajima, Hidenori Miki, Naoki Matsui, Tomotaka Nakatani, So Fujinami, Kousuke Noi, Hirofumi Tsukasaki, Kota Suzuki, Masaaki Hirayama, Shigeo Mori, Takeshi Abe, Ryoji Kanno

ACS Applied Energy Materials   5 ( 1 )   1002 - 1009   2022.1

Synthesis and Lithium-ion Conductivity of Sr(La_1−xLi_3x)ScO₄ with a K₂NiF₄ Structure Reviewed International journal

Guowei ZHAO, Kota SUZUKI, Masaaki HIRAYAMA, Ryoji KANNO

Electrochemistry   2022.1

Synthesis, structure, and electrical conductivity of Sr₂LiH₂N nitride hydride Reviewed International journal

Jiang, G., Matsui, N., Mezaki, T., Toda, Y., Suzuki, K., Hirayama, M., Saito, T., Kamiyama, T., Kanno, R.

Journal of Solid State Chemistry   310   2022

Fast Hydride-Ion Conduction in Perovskite Hydrides AELiH₃ Reviewed International journal

Hirose, T., Mishina, T., Matsui, N., Suzuki, K., Saito, T., Kamiyama, T., Hirayama, M., Kanno, R.

ACS Applied Energy Materials   5 ( 3 )   2022

Search for Lithium Ion Conducting Oxides Using the Predicted Ionic Conductivity by Machine Learning,機械学習によるイオン導電率予測を指針としたリチウム導電性酸化物の探索 Reviewed International journal

Iwamizu, Y., Suzuki, K., Matsui, N., Hirayama, M., Kanno, R.

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   69 ( 3 )   2022

Li₁₀GeP₂S₁₂-Type Structured Solid Solution Phases in the Li_9+δP_3+δ′S_12-kO_kSystem: Controlling Crystallinity by Synthesis to Improve the Air Stability Reviewed International journal

Xu, M., Song, S., Daikuhara, S., Matsui, N., Hori, S., Suzuki, K., Hirayama, M., Shiotani, S., Nakanishi, S., Yonemura, M., Saito, T., Kamiyama, T., Kanno, R.

Inorganic Chemistry   61 ( 1 )   2022

Material Search for a Li₁₀GeP₂S₁₂-Type Solid Electrolyte in the Li-P-S-X (X = Br, I) System via Clarification of the Composition-Structure-Property Relationships Reviewed International journal

Song, S., Hori, S., Li, Y., Suzuki, K., Matsui, N., Hirayama, M., Saito, T., Kamiyama, T., Kanno, R.

Chemistry of Materials   34 ( 18 )   2022

Liquid-phase synthesis of the Li₁₀GeP₂S₁₂-type phase in the Li-Si-P-S-Cl system Reviewed International journal

Ito, T., Hori, S., Hirayama, M., Kanno, R.

Journal of Materials Chemistry A   10 ( 27 )   2022

Anomalously High Ionic Conductivity of Li₂SiS₃-Type Conductors Reviewed International journal

Huang, W., Matsui, N., Hori, S., Suzuki, K., Hirayama, M., Yonemura, M., Saito, T., Kamiyama, T., Sasaki, Y., Yoon, Y., Kim, S., Kanno, R.

Journal of the American Chemical Society   144 ( 11 )   2022

Reaction Mechanism of Li2MnO3 Electrodes in an All-Solid-State Thin-Film Battery Analyzed by Operando Hard X-ray Photoelectron Spectroscopy Reviewed International journal

Kazuhiro Hikima, Keisuke Shimizu, Hisao Kiuchi, Yoyo Hinuma, Kota Suzuki, Masaaki Hirayama, Eiichiro Matsubara, Ryoji Kanno

Journal of the American Chemical Society   2021.12

Discharge voltage profile changes: Via physicochemical phenomena in cycled all-solid-state cells based on Li10GeP2S12and LiNbO3-coated LiCoO2 Reviewed International journal

Xueying Sun, Yuto Yamada, Satoshi Hori, Yuxiang Li, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

Journal of Materials Chemistry A   9 ( 33 )   17905 - 17912   2021.9

Annealing-induced evolution at the LiCoO2/LiNbO3interface and its functions in all-solid-state batteries with a Li10GeP2S12electrolyte Reviewed International journal

Xueying Sun, Satoshi Hori, Yuxiang Li, Yuto Yamada, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

Journal of Materials Chemistry A   9 ( 7 )   4117 - 4125   2021.2

Reactions of the Li2MnO3 Cathode in an All-Solid-State Thin-Film Battery during Cycling Reviewed International journal

Kazuhiro Hikima, Yoyo Hinuma, Keisuke Shimizu, Kota Suzuki, Sou Taminato, Masaaki Hirayama, Takuya Masuda, Kazuhisa Tamura, Ryoji Kanno

ACS Applied Materials & Interfaces   2021.2

Syntheses and characterization of novel perovskite-type lasco3-based lithium ionic conductors Reviewed International journal

Guowei Zhao, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

Molecules   26 ( 2 )   2021.1

Characterization of Cathode/Sulfide Electrolyte Interface Using a Thin-Film Model Battery Reviewed International journal

Hirayama, M., Suzuki, K., Kanno, R., Masuda, T., Tamura, K.

Next Generation Batteries: Realization of High Energy Density Rechargeable Batteries   2021

The effect of cation size on hydride-ion conduction in LnSrLiH<inf>2</inf>O<inf>2</inf>(Ln = La, Pr, Nd, Sm, Gd) oxyhydrides Reviewed International journal

Naoki Matsui, Yoyo Hinuma, Yuki Iwasaki, Kota Suzuki, Jiang Guangzhong, Haq Nawaz, Yumiko Imai, Masao Yonemura, Masaaki Hirayama, Genki Kobayashi, Ryoji Kanno

Journal of Materials Chemistry A   8 ( 46 )   24685 - 24694   2020.12

Application of precise neutron focusing mirrors for neutron reflectometry: latest results and future prospects Reviewed International journal

Norifumi L. Yamada, Takuya Hosobata, Fumiya Nemoto, Koichiro Hori, Masahiro Hino, Jun Izumi, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Yutaka Yamagata

Journal of Applied Crystallography   53 ( 6 )   1462 - 1470   2020.12

High lithium ionic conductivity of γ-Li3PO4-type solid electrolytes in Li4GeO4−Li4SiO4–Li3VO4 quasi-ternary system Reviewed International journal

Guowei Zhao, Kota Suzuki, Tomoaki Seki, Xueying Sun, Masaaki Hirayama, Ryoji Kanno

Journal of Solid State Chemistry   292   2020.12

Influence of Chemical Composition and Domain Morphology of Li2MnO3 on Battery Properties Reviewed International journal

Kazuhiro Hikima, Sou Taminato, Yoyo Hinuma, Keisuke Shimizu, Kota Suzuki, Masaaki Hirayama, Satoshi Yasuno, Kazuhisa Tamura, Ryoji Kanno

BATTERIES & SUPERCAPS   2020.12

A lithium conductor Li6.96Sn1.55Si1.71P0.8S12 with a cubic argyrodite-type structure in the Li2S–SnS2–SiS2–P2S5 system: Synthesis, structure, and electrochemical properties Reviewed International journal

Miao Xu, Yulong Sun, Satoshi Hori, Kota Suzuki, Wenze Huang, Masaaki Hirayama, Ryoji Kanno

Solid State Ionics   356   2020.11

Precipitation of the lithium superionic conductor Li10GeP2S12 by a liquid-phase process Reviewed International journal

Kota Suzuki, Ayumu Yageta, Yuki Ikeda, Naohiro Mashimo, Satoshi Hori, Masaaki Hirayama, Ryoji Kanno

Chemistry Letters   49 ( 11 )   1379 - 1381   2020.11

Oxygen substitution for Li-Si-P-S-Cl solid electrolytes toward purified Li10GeP2S12-type phase with enhanced electrochemical stabilities for all-solid-state batteries Reviewed International journal

Yuxiang Li, Shugo Daikuhara, Satoshi Hori, Xueying Sun, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

Chemistry of Materials   32 ( 20 )   8860 - 8867   2020.10

Performance of Li4Ti5O12-based reference electrode for the electrochemical analysis of all-solid-state lithium-ion batteries Reviewed International journal

Atsunori Ikezawa, Goro Fukunishi, Takeyoshi Okajima, Fusao Kitamura, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Hajime Arai

Electrochemistry Communications   106743 - 106743   2020.7

Fast material search of lithium ion conducting oxides using a recommender system Reviewed International journal

Suzuki, K., Ohura, K., Seko, A., Iwamizu, Y., Zhao, G., Hirayama, M., Tanaka, I., Kanno, R.

Journal of Materials Chemistry A   8 ( 23 )   11582 - 11588   2020.6

Ionic conduction mechanism of a lithium superionic argyrodite in the Li-Al-Si-S-O system Reviewed International journal

Huang, W., Cheng, L., Hori, S., Suzuki, K., Yonemura, M., Hirayama, M., Kanno, R.

Materials Advances   1 ( 3 )   2020

Synthesis of Li₁₀GeP₂S₁₂-type lithium superionic conductors under Ar gas flow Reviewed International journal

Hayashi, D., Suzuki, K., Hori, S., Yamada, Y., Hirayama, M., Kanno, R.

Journal of Power Sources   473   228524 - 228524   2020

Ex-situ analysis of lithium distribution in a sulfide-based all-solid-state lithium battery by particle-induced X-ray and gamma-ray emission measurements Reviewed International journal

Yuto Yamada, Kota Suzuki, Kazuhiro Yoshino, Sou Taminato, Takahiro Satoh, Martin Finsterbusch, Tomihiro Kamiya, Akiyoshi Yamazaki, Yoshiaki Kato, Kazuhisa Fujita, Kunioki Mima, Satoshi Hori, Masaaki Hirayama, Ryoji Kanno

Electrochemistry   88 ( 1 )   45 - 49   2020

Effect of Surface Chemical Bonding States on Lithium Intercalation Properties of Surface‐Modified Lithium Cobalt Oxide Reviewed International journal

Jun‐Ichi Hata, Masaaki Hirayama, Kota Suzuki, Nicolas Dupré, Dominique Guyomard, Ryoji Kanno

Batteries & Supercaps   2 ( 5 )   454 - 463   2019.5

Thin Film All-solid-state Battery Using Li2MnO3 Epitaxial Film Electrode Reviewed International journal

Hikima Kazuhiro, Suzuki Kota, Taminato Sou, Hirayama Masaaki, Yasuno Satoshi, Kanno Ryoji

CHEMISTRY LETTERS   48 ( 3 )   192 - 195   2019.3

Superionic lithium conductor with a cubic argyrodite-type structure in the Li–Al–Si–S system Reviewed International journal

Wenze Huang, Kazuhiro Yoshino, Satoshi Hori, Kota Suzuki, Masao Yonemura, Masaaki Hirayama, Ryoji Kanno

Journal of Solid State Chemistry   270   487 - 492   2019.2

Conduction Mechanism of Li ₁₀ GeP ₂ S ₁₂ -type Lithium Superionic Conductors in a Li-Sn-Si-P-S System Reviewed International journal

Inagaki, M., Suzuki, K., Hori, S., Yoshino, K., Matsui, N., Yonemura, M., Hirayama, M., Kanno, R.

Chemistry of Materials   31 ( 9 )   3485 - 3490   2019

Excess Lithium in Transition Metal Layers of Epitaxially Grown Thin Film Cathodes of Li₂MnO₃ Leads to Rapid Loss of Covalency during First Battery Cycle Reviewed International journal

Massel, F., Hikima, K., Rensmo, H., Suzuki, K., Hirayama, M., Xu, C., Younesi, R., Liu, Y.-S., Guo, J., Kanno, R., Hahlin, M., Duda, L.-C.

Journal of Physical Chemistry C   123 ( 47 )   28519 - 28526   2019

Kinetics of li-ion transfer at the electrode/electrolyte interface and current rate performance of LiCoO2 surface-coated with zirconium oxide and aluminum oxide Reviewed International journal

Akira Yano, Masaaki Hirayama, Ryoji Kanno

Electrochemistry   87 ( 4 )   234 - 241   2019

Influence of morphology of highly ordered mesoporous carbon replica on electrochemical properties of air electrodes with Pt-Ru electrocatalyst/carbon replica support in nonaqueous electrolyte solution Reviewed International journal

Hayashi, M., Sakamoto, S., Nohara, M., Iwata, M., Suzuki, K., Hirayama, M., Nakamura, J., Arai, H., Kanno, R., Komatsu, T.

Electrochemistry   87 ( 1 )   18 - 00046   2019

Enhancing Fast Lithium Ion Conduction in Li₄GeO₄-Li₃PO₄ Solid Electrolytes Reviewed International journal

Zhao, G., Suzuki, K., Yonemura, M., Hirayama, M., Kanno, R.

ACS Applied Energy Materials   2 ( 9 )   6608 - 6615   2019

Synthesis, crystal structure, and ionic conductivity of hydride ion- conducting Ln2LiHO3 ( Ln 1/4 La, Pr, Nd) oxyhydrides Reviewed International journal

Yuki Iwasaki, Naoki Matsui, Kota Suzuki, Yoyo Hinuma, Masao Yonemura, Genki Kobayashi, Masaaki Hirayama, Isao Tanaka, Ryoji Kanno

JOURNAL OF MATERIALS CHEMISTRY A   6 ( 46 )   23457 - 23463   2018.12

Kinetics and stability of Li-ion transfer at the LiCoO₂ (104) plane and electrolyte interface Reviewed International journal

Yano, A., Hikima, K., Hata, J., Suzuki, K., Hirayama, M., Kanno, R.

Journal of the Electrochemical Society   165 ( 14 )   A3221 - A3229   2018.10

Sodium superionic conduction in tetragonal Na3PS4 Reviewed International journal

Shigeo Takeuchi, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

Journal of Solid State Chemistry   265   353 - 358   2018.9

Randomized, double-blind, multicenter trial of hydrogen water for Parkinson's disease. Reviewed International journal

Asako Yoritaka, Chigumi Ohtsuka, Tetsuya Maeda, Masaaki Hirayama, Takashi Abe, Hirohisa Watanabe, Hidemoto Saiki, Genko Oyama, Jiro Fukae, Yasushi Shimo, Taku Hatano, Sumihiro Kawajiri, Yasuyuki Okuma, Yutaka Machida, Hideto Miwa, Chikako Suzuki, Asuka Kazama, Masahiko Tomiyama, Takeshi Kihara, Motoyuki Hirasawa, Hideki Shimura, Eisei Oda, Mikako Ito, Kinji Ohno, Nobutaka Hattori

Movement disorders : official journal of the Movement Disorder Society   33 ( 9 )   1505 - 1507   2018.9

Reversible Structural Changes and High-Rate Capability of Li₃PO₄-Modified Li₂RuO₃ for Lithium-Rich Layered Rocksalt Oxide Cathodes Reviewed International journal

Taminato, S., Hirayama, M., Suzuki, K., Kim, K., Tamura, K., Kanno, R.

Journal of Physical Chemistry C   122 ( 29 )   16607 - 16612   2018.7

High Cycle Capability of All-Solid-State Lithium-Sulfur Batteries Using Composite Electrodes by Liquid-Phase and Mechanical Mixing Reviewed International journal

Kota Suzuki, Naohiro Mashirno, Yuki Ikeda, Toshiyuki Yokoi, Masaaki Hirayama, Ryoji Kanno

ACS APPLIED ENERGY MATERIALS   1 ( 6 )   2373 - 2377   2018.6

Evolution of LiFePO4 thin films interphase with electrolyte Reviewed International journal

N. Dupré, M. Cuisinier, Y. Zheng, V. Fernandez, J. Hamon, M. Hirayama, R. Kanno, D. Guyomard

Journal of Power Sources   2018.4

All-Solid-State Batteries with Thick Electrode Configurations Reviewed International journal

Yuki Kato, Shinya Shiotani, Keisuke Morita, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

Journal of Physical Chemistry Letters   9 ( 3 )   607 - 613   2018.2

Synthesis and structures of novel solid-state electrolytes Reviewed International journal

Ryoji Kanno, Genki Kobayashi, Kota Suzuki, Masaaki Hirayama, Daisuke Mori, Kazuhisa Tamura

Nanoinformatics   279 - 298   2018.1

Synthesis and lithium-ion conductivity of LiSrB2O6F (B = Nb5+, Ta5+) with a pyrochlore structure Reviewed International journal

Thanya Phraewphiphat, Muhammad Iqbal, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   65 ( 1 )   26 - 33   2018

Composite sulfur electrode for all-solid-state lithium–sulfur battery with Li2S–GeS2–P2S5-based Thio-LISICON solid electrolyte Reviewed International journal

Kota Suzuki, Dai Kato, Kosuke Hara, Taka-Aki Yano, Masaaki Hirayama, Masahiko Hara, Ryoji Kanno

Electrochemistry   86 ( 1 )   1 - 5   2018

Stability of charged phase and cell properties of LiMn _2-x Al _x O ₄ Reviewed International journal

Nishijima, M., Matsui, N., Hata, J.-I., Saito, T., Nitta, Y., Suzuki, K., Hirayama, M., Kanno, R.

Journal of the Electrochemical Society   165 ( 7 )   A1440 - A1446   2018

Ambient pressure synthesis of La2LiHO3 as a solid electrolyte for a hydrogen electrochemical cell Reviewed International journal

Matsui Naoki, Kobayashi Genki, Suzuki Kota, Watanabe Akihiro, Kubota Akiko, Iwasaki Yuki, Yonemura Masao, Hirayama Masaaki, Kanno Ryoji

Journal of the American Ceramic Society   0 ( ja )   3228 - 3235   2018

Interfacial Atomic Structures of Single-Phase Li2MnO3Thin Film with Superior Initial Charge-Discharge Behavior Reviewed International journal

Yoshihiro Sugawara, Sou Taminato, Tsukasa Hirayama, Masaaki Hirayama, Ryoji Kanno, Yoshio Ukyo, Yuichi Ikuhara

Journal of The Electrochemical Society   165 ( 2 )   A55 - A60   2018

Composite Sulfur Electrode Prepared by High-Temperature Mechanical Milling for use in an All-Solid-State Lithium-Sulfur Battery with a Li3.25Ge0.25P0.75S4 Electrolyte Reviewed International journal

Kota Suzuki, Dai Kato, Kosuke Hara, Taka-aki Yano, Masaaki Hirayama, Masahiko Hara, Ryoji Kanno

ELECTROCHIMICA ACTA   258   110 - 115   2017.12

Raman Imaging Analysis of Local Crystal Structures in LiCoO2 Thin Films Calcined at Different Temperatures Reviewed International journal

Kosuke Hara, Taka-aki Yano, Kota Suzuki, Masaaki Hirayama, Tomohiro Hayashi, Ryoji Kanno, Masahiko Hara

ANALYTICAL SCIENCES   33 ( 7 )   853 - 858   2017.7

Superionic Conductors: Li10+delta[SnySi1-y](1+delta)P2-delta S12 with a Li10GeP2S12-type Structure in the Li3PS4-Li4SnS4-Li4SiS4 Quasi-ternary System Reviewed International journal

Yulong Sun, Kota Suzuki, Satoshi Hori, Masaaki Hirayama, Ryoji Kanno

CHEMISTRY OF MATERIALS   29 ( 14 )   5858 - 5864   2017.7

Nanoscale optical imaging of lithium-ion distribution on a LiCoO2 cathode surface Reviewed International journal

Kosuke Hara, Taka-aki Yano, Junichi Hata, Kazuhiro Hikima, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Masahiko Hara

APPLIED PHYSICS EXPRESS   10 ( 5 )   2017.5

Highly Ordered Mesoporous Carbon Support Materials for Air Electrode of Lithium Air Secondary Batteries Reviewed International journal

Yuhki Yui, Shuhei Sakamoto, Masaya Nohara, Masahiko Hayashi, Jiro Nakamura, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Takeshi Komatsu

ELECTROCHEMISTRY   85 ( 3 )   128 - 132   2017.3

Study on the deterioration mechanism of layered rock-salt electrodes using epitaxial thin films Li(Ni, Co, Mn)0(2) and their Zr-O surface modified electrodes Reviewed International journal

Machiko Abe, Hideaki Iba, Kota Suzuki, Hiroaki Minamishima, Masaaki Hirayama, Kazuhisa Tamura, Jun'ichiro Mizuki, Tomohiro Saito, Yuichi Ikuhara, Ryoji Kanno

JOURNAL OF POWER SOURCES   345   108 - 119   2017.3

Effect of excess Li2S on electrochemical properties of amorphous li(3)ps(4) films synthesized by pulsed laser deposition Reviewed International journal

Zhen Quan, Masaaki Hirayama, Daichi Sato, Yueming Zheng, Taka-aki Yano, Kosuke Hara, Kota Suzuki, Masahiko Hara, Ryoji Kanno

JOURNAL OF THE AMERICAN CERAMIC SOCIETY   100 ( 2 )   746 - 753   2017.2

Ambient Pressure Synthesis and H- Conductivity of LaSrLiH2O2 Reviewed International journal

Akihiro Watanabe, Genki Kobayashi, Naoki Matsui, Masao Yonemura, Akiko Kubota, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

ELECTROCHEMISTRY   85 ( 2 )   88 - 92   2017.2

Synthesis and structure of novel lithium-ion conductor Li7Ge3PS12 Reviewed International journal

Yuki Inoue, Kota Suzuki, Naoki Matsui, Masaaki Hirayama, Ryoji Kanno

JOURNAL OF SOLID STATE CHEMISTRY   246   334 - 340   2017.2

Synthesis, Structure, and Electrochemical Properties of a Sulfur-Carbon Replica Composite Electrode for All-Solid-State Li-Sulfur Batteries Reviewed International journal

Kota Suzuki, Mitsuru Tateishi, Miki Nagao, Yuki Imade, Toshiyuki Yokoi, Masaaki Hirayama, Takashi Tatsumi, R. Kanno

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   164 ( 1 )   A6178 - A6183   2017

Neutron reflectometry analysis of Li4Ti5O12/organic electrolyte interfaces: characterization of surface structure changes and lithium intercalation properties Reviewed International journal

Masaaki Hirayama, Takumi Shibusawa, Ryo Yamaguchi, KyungSu Kim, Sou Taminato, Norifumi L. Yamada, Masao Yonemura, Kota Suzuki, Ryoji Kanno

JOURNAL OF MATERIALS RESEARCH   31 ( 20 )   3142 - 3150   2016.10

All-solid-state lithium-sulfur batteries with three-dimensional mesoporous electrode structures Reviewed International journal

Miki Nagao, Kota Suzuki, Yuki Imade, Mitsuru Tateishi, Ryota Watanabe, Toshiyuki Yokoi, Masaaki Hirayama, Takashi Tatsumi, Ryoji Kanno

JOURNAL OF POWER SOURCES   330   120 - 126   2016.10

Dynamic Behavior at the Interface between Lithium Cobalt Oxide and an Organic Electrolyte Monitored by Neutron Reflectivity Measurements Reviewed International journal

Taketoshi Minato, Hiroyuki Kawaura, Masaaki Hirayama, Sou Taminato, Kota Suzuki, Norifumi L. Yamada, Hidetaka Sugaya, Kentaro Yamamoto, Koji Nakanishi, Yuki Orikasa, Hajime Tanida, Ryoji Kanno, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF PHYSICAL CHEMISTRY C   120 ( 36 )   20082 - 20088   2016.9

On the Mechanism of Crystal Water Insertion during Anomalous Spinel-to-Birnessite Phase Transition Reviewed International journal

Sangryun Kim, Soyeon Lee, Kwan Woo Nam, Jaeho Shin, Soo Yeon Lim, Woosuk Cho, Kota Suzuki, Yoshifumi Oshima, Masaaki Hirayama, Ryoji Kanno, Jang Wook Choi

CHEMISTRY OF MATERIALS   28 ( 15 )   5488 - 5494   2016.8

Oxygen substitution effects in Li10GeP2S12 solid electrolyte Reviewed International journal

Yulong Sun, Kota Suzuki, Kosuke Hara, Satoshi Hori, Taka-aki Yano, Masahiko Hara, Masaaki Hirayama, Ryoji Kanno

JOURNAL OF POWER SOURCES   324   798 - 803   2016.8

Real-time observations of lithium battery reactions-operando neutron diffraction analysis during practical operation Reviewed International journal

Sou Taminato, Masao Yonemura, Shinya Shiotani, Takashi Kamiyama, Shuki Torii, Miki Nagao, Yoshihisa Ishikawa, Kazuhiro Mori, Toshiharu Fukunaga, Yohei Onodera, Takahiro Naka, Makoto Morishima, Yoshio Ukyo, Dyah Sulistyanintyas Adipranoto, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

SCIENTIFIC REPORTS   6   2016.6

Synthesis, structure, and electrochemical properties of crystalline Li-P-S-O solid electrolytes: Novel lithium-conducting oxysulfides of Li10GeP2S12 family Reviewed International journal

Kota Suzuki, Masamitsu Sakuma, Satoshi Hori, Tetsuya Nakazawa, Miki Nagao, Masao Yonemura, Masaaki Hirayama, Ryoji Kanno

SOLID STATE IONICS   288   229 - 234   2016.5

Effect of surface modification and oxygen deficiency on intercalation property of lithium nickel manganese oxide in an all-solid-state battery Reviewed International journal

Gwangseok Oh, Masaaki Hirayama, Ohmin Kwon, Kota Suzuki, Ryoji Kanno

SOLID STATE IONICS   288   244 - 247   2016.5

Bulk-Type All Solid-State Batteries with 5 V Class LiNi0.5Mn1.5O4 Cathode and Li10GeP2S12 Solid Electrolyte Reviewed International journal

Gwangseok Oh, Masaaki Hirayama, Ohmin Kwon, Kota Suzuki, Ryoji Kanno

CHEMISTRY OF MATERIALS   28 ( 8 )   2634 - 2640   2016.4

Fabrication and All Solid-State Battery Performance of TiS2/Li10GeP2S12 Composite Electrodes Reviewed International journal

Wen Jing Li, Masaaki Hirayama, Kota Suzuki, Ryoji Kanno

MATERIALS TRANSACTIONS   57 ( 4 )   549 - 552   2016.4

液中レーザーアブレーション法によるリチウムイオン二次電池正極材料用LiCoO2ナノ粒子の作製と評価 Reviewed International journal

山田悠斗, 平山雅章, 菅野了次, 辻剛志, 小田原修, 和田裕之

2016.3

High-power all-solid-state batteries using sulfide superionic conductors Reviewed International journal

Yuki Kato, Satoshi Hori, Toshiya Saito, Kota Suzuki, Masaaki Hirayama, Akio Mitsui, Masao Yonemura, Hideki Iba, Ryoji Kanno

NATURE ENERGY   1   2016.3

Electrochemical properties of copper-based compounds with polyanion frameworks Reviewed International journal

Yoshifumi Mizuno, Shoma Hata, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

JOURNAL OF SOLID STATE CHEMISTRY   235   43 - 49   2016.3

Pure H- conduction in oxyhydrides Reviewed International journal

Genki Kobayashi, Yoyo Hinuma, Shinji Matsuoka, Akihiro Watanabe, Muhammad Iqbal, Masaaki Hirayama, Masao Yonemura, Takashi Kamiyama, Isao Tanaka, Ryoji Kanno

SCIENCE   351 ( 6279 )   1314 - 1317   2016.3

Lithium intercalation and structural changes at the LiCoO2 surface under high voltage battery operation Reviewed International journal

Sou Taminato, Masaaki Hirayama, Kota Suzuki, Kazuhisa Tamura, Taketoshi Minato, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi, Ryoji Kanno

JOURNAL OF POWER SOURCES   307   599 - 603   2016.3

Lithium ion conduction in doped LaLiO2 system Reviewed International journal

Muhammad Iqbal, Kota Suzuki, Genki Kobayashi, Guowei Zhao, Masaaki Hirayama, Ryoji Kanno

SOLID STATE IONICS   285   33 - 37   2016.2

Reactions at the electrode/electrolyte interface of all-solid-state lithium batteries incorporating Li-M (M = Sn, Si) alloy electrodes and sulfide-based solid electrolytes Reviewed International journal

Masamitsu Sakuma, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

SOLID STATE IONICS   285   101 - 105   2016.2

Fabrication and electrochemical properties of a LiCoO2 and Li10GeP2S12 composite electrode for use in all-solid-state batteries Reviewed International journal

Wen Jing Li, Masaaki Hirayama, Kota Suzuki, Ryoji Kanno

SOLID STATE IONICS   285   136 - 142   2016.2

Lithium intercalation in the surface region of an LiNi1/3Mn1/3Co1/3O2 cathode through different crystal planes Reviewed International journal

Masaaki Hirayama, Machiko Abe, Sou Taminato, Yuya Araki, Kota Suzuki, Ryoji Kanno

RSC ADVANCES   6 ( 82 )   78963 - 78969   2016

Lithium superionic conductor Li9.42Si1.02P2.1S9.96O2.04 with Li10GeP2S12-type structure in the Li2S-P2S5-SiO2 pseudoternary system: Synthesis, electrochemical properties, and structure-composition relationships Reviewed International journal

Satoshi Hori, Kota Suzuki, Masaaki Hirayama, Yuki Kato, Ryoji Kanno

Frontiers in Energy Research   4   2016

Synthesis, Crystal Structure, and the Ionic Conductivity of New Lithium Ion Conductors, M-Doped LiScO2 (M = Zr, Nb, Ta) Reviewed International journal

Guowei Zhao, Iqbal Muhammad, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

MATERIALS TRANSACTIONS   57 ( 8 )   1370 - 1373   2016

Phase Stability of Lithium Manganese Oxide Stored at High Temperatures Reviewed International journal

Manabu Nishijima, Masayuki Hamana, Takamitsu Saito, Yoshiaki Nitta, Masaaki Hirayama, Ryoji Kanno

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   163 ( 9 )   A1841 - A1845   2016

3．中性子反射率法を用いたリチウムイオン電池界面の反応解析 Reviewed International journal

平山 雅章, 鈴木 耕太, 菅野 了次, 米村 雅雄

電気化学および工業物理化学   84 ( 7 )   534 - 539   2016

Structural Analysis of Electrode-Electrolyte Interface in Lithium Batteries Reviewed International journal

KANNO Ryoji, HIRAYAMA Masaaki, SUZUKI Kota, TAMURA Kazuhisa

Hyomen Kagaku   37 ( 2 )   52 - 59   2016

Reversible lithium intercalation in a lithium-rich layered rocksalt Li2RuO3 cathode through a Li3PO4 solid electrolyte6 Reviewed International journal

Yueming Zheng, Masaaki Hirayama, Sou Taminato, Soyeon Lee, Yoshifumi Oshima, Kunio Takayanagi, Kota Suzuki, Ryoji Kanno

JOURNAL OF POWER SOURCES   300   413 - 418   2015.12

Structure-property relationships in lithium superionic conductors having a Li10GeP2S12-type structure Reviewed International journal

Satoshi Hori, Sou Taminato, Kota Suzuki, Masaaki Hirayama, Yuki Kato, Ryoji Kanno

ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS   71   727 - 736   2015.12

Synthesis, crystal structure and the ionic conductivity of new Lithium ion conductors, M-doped LiScO2 (M = Zr, Nb, Ta) Reviewed International journal

Guowei Zhao, Iqbal Muhammad, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   62 ( 11 )   543 - 547   2015.11

Control of the phase fractions in layered rock salt and spinel-type Li-(Mn,Co,Ni)-O epitaxial thin films: A model blended cathode system for Lithium Batteries Reviewed International journal

Machiko Abe, Kota Suzuki, Hiroaki Minamishima, Kyungsu Kim, Sou Taminato, Masaaki Hirayama, Ryoji Kanno

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   62 ( 11 )   531 - 537   2015.11

Synthesis, Crystal Structure, and Electrochemical Properties of Li1.2+xMn0.3Co0.2Ni0.3O2 (x &gt; 0) for Lithium-ion Battery Cathodes Reviewed International journal

Yoshifumi Mizuno, Yasuaki Matsuda, Kota Suzuki, Masao Yonemura, Masaaki Hirayama, Ryoji Kanno

ELECTROCHEMISTRY   83 ( 10 )   820 - 823   2015.10

Phase Diagramof the Li4GeS4-Li3PS4 Quasi-Binary System Containing the Superionic Conductor Li10GeP2S12 Reviewed International journal

Satoshi Hori, Masahiko Kato, Kota Suzuki, Masaaki Hirayama, Yuki Kato, Ryoji Kanno

JOURNAL OF THE AMERICAN CERAMIC SOCIETY   98 ( 10 )   3352 - 3360   2015.10

Interfacial Reactions of Intercalation Electrodes in Lithium Ion Batteries Reviewed International journal

Masaaki Hirayama

ELECTROCHEMISTRY   83 ( 9 )   701 - 706   2015.9

Syntheses, structures, and ionic conductivities of perovskite-structured lithium-strontium-aluminum/gallium-tantalum-oxides Reviewed International journal

Thanya Phraewphiphat, Muhammad Iqbal, Kota Suzuki, Yasuaki Matsuda, Masao Yonemura, Masaaki Hirayama, Ryoji Kanno

JOURNAL OF SOLID STATE CHEMISTRY   225   431 - 437   2015.5

Synthesis, structure and electrochemical properties of novel Li-Co-Mn-O epitaxial thin-film electrode using layer-by-layer deposition process Reviewed International journal

Jaemin Lim, Soyeon Lee, Kota Suzuki, KyungSu Kim, Sangryun Kim, Sou Taminato, Masaaki Hirayama, Yoshifumi Oshima, Kunio Takayanagi, Ryoji Kanno

JOURNAL OF POWER SOURCES   279   502 - 509   2015.4

Highly reversible capacity at the surface of a lithium-rich manganese oxide: A model study using an epitaxial film system Reviewed International journal

S. Taminato, M. Hirayama, K. Suzuki, N. L. Yamada, M. Yonemura, J. Y. Son, R. Kanno

Chemical Communications   51 ( 9 )   1673 - 1676   2015.1

Interfacial Analysis of Surface-Coated LiMn2O4 Epitaxial Thin Film Electrode for Lithium Batteries Reviewed International journal

Kota Suzuki, Masaaki Hirayama, KyungSu Kim, Sou Taminato, Kazuhisa Tamura, Jin-Young Son, Jun'ichiro Mizuki, Ryoji Kanno

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   162 ( 13 )   A7083 - A7090   2015

Synthesis, structure, and conduction mechanism of the lithium superionic conductor Li10+delta Ge1+delta P2-delta S12 Reviewed International journal

Ohmin Kwon, Masaaki Hirayama, Kota Suzuki, Yuki Kato, Toshiya Saito, Masao Yonemura, Takashi Kamiyama, Ryoji Kanno

JOURNAL OF MATERIALS CHEMISTRY A   3 ( 1 )   438 - 446   2015

Synthesis, structure and lithium ionic conductivity of solid solutions of Li-10(Ge1-xMx)P2S12 (M = Si, Sn) Reviewed International journal

Yuki Kato, Ryoko Saito, Mitsuru Sakano, Akio Mitsui, Masaaki Hirayama, Ryoji Kanno

JOURNAL OF POWER SOURCES   271   60 - 64   2014.12

Effect of surface Li3PO4 coating on LiNi0.5Mn1.5O4 epitaxial thin film electrodes synthesized by pulsed laser deposition Reviewed International journal

Hiroaki Konishi, Kota Suzuki, Sou Taminato, Kyungsu Kim, Yueming Zheng, Sangryun Kim, Jaemin Lim, Masaaki Hirayama, Jin-Young Son, Yitao Cui, Ryoji Kanno

JOURNAL OF POWER SOURCES   269   293 - 298   2014.12

Mechanistic studies on lithium intercalation in a Lithium-rich layered material using Li2RuO3 epitaxial film electrodes and in situ surface X-ray analysis Reviewed International journal

Sou Taminato, Masaaki Hirayama, Kota Suzuki, KyungSu Kim, Yueming Zheng, Kazuhisa Tamura, Jun'ichiro Mizuki, Ryoji Kanno

JOURNAL OF MATERIALS CHEMISTRY A   2 ( 42 )   17875 - 17882   2014.11

High-pressure synthesis of lithium-rich layered rock-salt Li-2(Mn3/8Co1/4Ni3/8)O3-x for lithium battery cathodes Reviewed International journal

Yasuaki Matsuda, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

SOLID STATE IONICS   262   88 - 91   2014.9

Hetero-epitaxial growth of Li0.17La0.6TiO3 solid electrolyte on LiMn2O4 electrode for all solid-state batteries Reviewed International journal

Sangryun Kim, Masaaki Hirayama, Kota Suzuki, Ryoji Kanno

SOLID STATE IONICS   262   578 - 581   2014.9

High-pressure synthesis and electrochemical properties of lithium transition metal oxides with layered rock-salt structure Reviewed International journal

Hansen Chang, Kei Kubota, Genki Kobayashi, Masaaki Hirayama, Ryoji Kanno

JOURNAL OF POWER SOURCES   252   1 - 7   2014.4

Structure and electrochemical properties of LiNi0.5Mn1.5O4 epitaxial thin film electrodes Reviewed International journal

Hiroaki Konishi, Kota Suzuki, Sou Taminato, Kyungsu Kim, Sangryun Kim, Jaemin Lim, Masaaki Hirayama, Ryoji Kanno

JOURNAL OF POWER SOURCES   246   365 - 370   2014.1

Development of Spectroelectrochemical Cells for in situ Neutron Reflectometry Reviewed International journal

M. Yonemura, M. Hirayama, K. Suzuki, R. Kanno, N. Torikai, N. L. Yamada

1ST CONFERENCE ON LIGHT AND PARTICLE BEAMS IN MATERIALS SCIENCE 2013 (LPBMS2013)   502   12054/1 - 12054/4   2014

Synthesis, structure, and ionic conductivity of solid solution, Li10+delta M1+delta P2-delta S12 (M = Si, Sn) Reviewed International journal

Satoshi Hori, Kota Suzuki, Masaaki Hirayama, Yuki Kato, Toshiya Saito, Masao Yonemura, Ryoji Kanno

FARADAY DISCUSSIONS   176   83 - 94   2014

Low temperature synthesis and ionic conductivity of the epitaxial Li0.17La0.61TiO3 film electrolyte Reviewed International journal

Sangryun Kim, Masaaki Hirayama, Woosuk Cho, Kyungsu Kim, Takeshi Kobayashi, Ryotaro Kaneko, Kota Suzuki, Ryoji Kanno

CRYSTENGCOMM   16 ( 6 )   1044 - 1049   2014

Synthesis, crystal structure, and ionic conductivity of tunnel structure phosphates, RbMg1-xH2x(PO3)3· y(H2O) Reviewed International journal

Yasuaki Matsuda, Masao Yonemura, Hikaru Koga, Cedric Pitteloud, Miki Nagao, Masaaki Hirayama, Ryoji Kanno

Journal of Materials Chemistry A   1 ( 48 )   15544 - 15551   2013.12

Fabrication and electrochemical properties of LiMn2O4/SrRuO3 multi-layer epitaxial thin film electrodes Reviewed International journal

Kota Suzuki, Kyungsu Kim, Sou Taminato, Masaaki Hirayama, Ryoji Kanno

JOURNAL OF POWER SOURCES   226   340 - 345   2013.3

Multiple electron reaction of Li2RuO3 electrode for lithium batteries Reviewed International journal

Sou Taminato, Masaaki Hirayama, Kunimitsu Yamamoto, Yueming Zheng, Ryoji Kanno

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy   60 ( 1 )   24 - 28   2013.1

Multiple electron reaction of Li2RuO3 electrode for lithium batteries Reviewed International journal

Taminato Sou, Hirayama Masaaki, Yamamoto Kunimitsu, Zheng Yueming, Kanno Ryoji

60 ( 1 )   24 - 28   2013.1

Epitaxial growth and lithium ion conductivity of lithium-oxide garnet for an all solid-state battery electrolyte Reviewed International journal

Sangryun Kim, Masaaki Hirayama, Sou Taminato, Ryoji Kanno

DALTON TRANSACTIONS   42 ( 36 )   13112 - 13117   2013

Synthesis, structure and electrochemical properties of layered La 2Li2x(CO3)1-xO2+2x Reviewed International journal

Muhammad Iqbal, Genki Kobayashi, Masaaki Hirayama, Ryoji Kanno

Journal of Solid State Chemistry   206   14 - 19   2013

Discharge Performance of All-Solid-State Battery Using a Lithium Superionic Conductor Li10GeP2S12 Reviewed International journal

Yuki Kato, Koji Kawamoto, Ryoji Kanno, Masaaki Hirayama

ELECTROCHEMISTRY   80 ( 10 )   749 - 751   2012.10

Characterization of Nano-Sized Epitaxial Li4Ti5O12(110) Film Electrode for Lithium Batteries Reviewed International journal

Kyungsu Kim, Takeshi Toujigamori, Kota Suzuki, Sou Taminato, Kazuhisa Tamura, Jun'ichiro Mizuki, Masaaki Hirayama, Ryoji Kanno

ELECTROCHEMISTRY   80 ( 10 )   800 - 803   2012.10

Oxygen Evolution and Reduction Reactions on La0.8Sr0.2CoO3 (001), (110), and (111) Surfaces in an Alkaline Solution Reviewed International journal

Mamoru Komo, Asuna Hagiwara, Sou Taminato, Masaaki Hirayama, Ryoji Kanno

ELECTROCHEMISTRY   80 ( 10 )   834 - 838   2012.10

Direct synthesis of oxygen-deficient Li2MnO3-x for high capacity lithium battery electrodes Reviewed International journal

Kei Kubota, Takayuki Kaneko, Masaaki Hirayama, Masao Yonemura, Yuichiro Imanari, Kenji Nakane, Ryoji Kanno

JOURNAL OF POWER SOURCES   216   249 - 255   2012.10

High-capacity phase formation by surface modification of Li3PO4 on nanosized Li2RuO3 electrode for lithium batteries Reviewed International journal

Yueming Zheng, Sou Taminato, Youlong Xu, Kota Suzuki, KyungSu Kim, Masaaki Hirayama, Ryoji Kanno

JOURNAL OF POWER SOURCES   208   447 - 451   2012.6

Synthesis and electrode characteristics of solid solution LiMn1-xFexPO4(OH) (0 &lt;= x &lt;= 0.3) with tavorite structure for lithium batteries Reviewed International journal

Yang Yang, Masaaki Hirayama, Kei Kubota, Ryoji Kanno

JOURNAL OF POWER SOURCES   205   394 - 401   2012.5

Fabrication and lithium intercalation properties of epitaxial Li2RuO3 thin films Reviewed International journal

Yueming Zheng, Sou Taminato, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

THIN SOLID FILMS   520 ( 15 )   4889 - 4893   2012.5

Synthesis, crystal structure, and electrode characteristics of LiMnPO4(OH) cathode for lithium batteries Reviewed International journal

Yang Yang, Masaaki Hirayama, Masao Yonemura, Ryoji Kanno

JOURNAL OF SOLID STATE CHEMISTRY   187   124 - 129   2012.3

Synthesis and Reversible Li-intercalation Behavior of BaFeO4 films Reviewed International journal

Hidekazu Ido, Masaaki Hirayama, Ryoji Kanno

ELECTROCHEMISTRY   80 ( 3 )   139 - 141   2012.3

Synthesis and electrochemical properties of nanosized LiFeO2 particles with a layered rocksalt structure for lithium batteries Reviewed International journal

Masaaki Hirayama, Hiroki Tomita, Kei Kubota, Hidekazu Ido, Ryoji Kanno

MATERIALS RESEARCH BULLETIN   47 ( 1 )   79 - 84   2012.1

A lithium superionic conductor Reviewed International journal

Noriaki Kamaya, Kenji Homma, Yuichiro Yamakawa, Masaaki Hirayama, Ryoji Kanno, Masao Yonemura, Takashi Kamiyama, Yuki Kato, Shigenori Hama, Koji Kawamoto, Akio Mitsui

NATURE MATERIALS   10 ( 9 )   682 - 686   2011.9

Structure and electrode reactions of layered rocksalt LiFeO2 nanoparticles for lithium battery cathode Reviewed International journal

Masaaki Hirayama, Hiroki Tomita, Kei Kubota, Ryoji Kanno

JOURNAL OF POWER SOURCES   196 ( 16 )   6809 - 6814   2011.8

Crystal structure and phase transitions of the lithium ionic conductor Li3PS4 Reviewed International journal

Kenji Homma, Masao Yonemura, Takeshi Kobayashi, Miki Nagao, Masaaki Hirayama, Ryoji Kanno

SOLID STATE IONICS   182 ( 1 )   53 - 58   2011.2

Epitaxial growth and electrochemical properties of Li4Ti5O12 thin-film lithium battery anodes Reviewed International journal

Masaaki Hirayama, Kyungsu Kim, Takeshi Toujigamori, Woosuk Cho, Ryoji Kanno

DALTON TRANSACTIONS   40 ( 12 )   2882 - 2887   2011

Dynamic Structural Changes at LiMn2O4/Electrolyte Interface during Lithium Battery Reaction Reviewed International journal

Masaaki Hirayama, Hedekazu Ido, KyungSu Kim, Woosuk Cho, Kazuhisa Tamura, Jun&apos;ichiro Mizuki, Ryoji Kanno

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   132 ( 43 )   15268 - 15276   2010.11

Surface Characterization of LiFePO4 Epitaxial Thin Films by X-ray/Neutron Reflectometry Reviewed International journal

Masaaki Hirayama, Masao Yonemura, Kouta Suzuki, Naoya Torikai, Hillary Smith, Erik Watkinsand, Jarek Majewski, Ryoji Kanno

ELECTROCHEMISTRY   78 ( 5 )   413 - 415   2010.5

Crystal Structure of High-Temperature Phase of Lithium Ionic Conductor, Li3PS4 Reviewed International journal

Kenji Homma, Masao Yonemura, Miki Nagao, Masaaki Hirayama, Ryoji Kanno

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   79   2010.1

Structural changes in surface and bulk LiNi0.5Mn0.5O2 during electrochemical reaction on epitaxial thin-film electrodes characterized by in situ X-ray scattering Reviewed International journal

Kazuyuki Sakamoto, Masaaki Hirayama, Hiroaki Konishi, Noriyuki Sonoyama, Nicolas Dupre, Dominique Guyomard, Kazuhisa Tamura, Jun&apos;ichiro Mizuki, Ryoji Kanno

PHYSICAL CHEMISTRY CHEMICAL PHYSICS   12 ( 15 )   3815 - 3823   2010

Surface Structure of LiNi0.8Co0.2O2: a New Experimental Technique Using in Situ X-ray Diffraction and Two-Dimensional Epitaxial Film Electrodes Reviewed International journal

Kazuyuki Sakamoto, Masaaki Hirayama, Noriyuki Sonoyama, Daisuke Mori, Atsuo Yamada, Kazuhisa Tamura, Jun&apos;ichiro Mizuki, Ryoji Kanno

CHEMISTRY OF MATERIALS   21 ( 13 )   2632 - 2640   2009.7

Structural investigation of Eu2+ emissions from alkaline earth zirconium phosphate Reviewed International journal

Masaaki Hirayama, Noriyuki Sonoyama, Atsuo Yamada, Ryoji Kanno

JOURNAL OF SOLID STATE CHEMISTRY   182 ( 4 )   730 - 735   2009.4

Relationship between structural characteristics and photoluminescent properties of (La1-xEux)(2)M2O7 (M = Zr, Hf, Sn) pyrochlores Reviewed International journal

Masaaki Hirayama, Noriyuki Sonoyama, Atsuo Yamada, Ryoji Kanno

JOURNAL OF LUMINESCENCE   128 ( 11 )   1819 - 1825   2008.11

Characterization of electrode/electrolyte interface using in situ X-ray reflectometry and LiNi0.8Co0.2O2 epitaxial film electrode synthesized by pulsed laser deposition method Reviewed International journal

Masaaki Hirayama, Kazuyuki Sakamoto, Tetsuya Hiraide, Daisuke Mori, Atsuo Yamada, Ryoji Kanno, Noriyuki Sonoyama, Kazuhisa Tamura, Jun'ichiro Mizuki

ELECTROCHIMICA ACTA   53 ( 2 )   871 - 881   2007.12

Characterization of electrode/electrolyte interface for lithium batteries using in situ synchrotron X-ray reflectometry - A new experimental technique for LiCoO2 model electrode Reviewed International journal

Masaaki Hirayama, Noriyuki Sonoyama, Takeshi Abe, Machiko Minoura, Masumi Ito, Daisuke Mori, Atsuo Yamada, Ryoji Kanno, Takahito Terashima, Mikio Takano, Kazuhisa Tamura, Jun'ichiro Mizuki

JOURNAL OF POWER SOURCES   168 ( 2 )   493 - 500   2007.6

Characterization of electrode/electrolyte interface with X-ray reflectometry and epitaxial-film LiMn2O4 electrode Reviewed International journal

Masaaki Hirayama, Noriyuki Sonoyama, Masumi Ito, Machiko Minoura, Daisuke Mori, Atsuo Yamada, Kazuhisa Tamura, Jun'ichiro Mizuki, Ryoji Kanno

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   154 ( 11 )   A1065 - A1072   2007

Functional Evaluation of Lithium Battery Materials Based on The Control of Anisotropy

HIRAYAMA Masaaki, KANNO Ryoji

Ceramics Japan : Bulletin of the Ceramic Society of Japan   47 ( 4 )   270 - 274   2012.4

放射光X線によるリチウム電池電極界面のその場観察

粉生守, 平山雅章, 鈴木耕太, KIM Kyungsu, 田村和久, 内本喜晴, 谷田肇, 宇留賀朋哉, 菅野了次

化学電池材料研究会ミーティング講演要旨集   12th   2010

In situ XAFS法によるリチウム電池電極界面の検出

平山雅章, CHO Woosuk, 鈴木耕太, KIM Kyungsu, 田村和久, 中尾孝之, 折笠有基, 内本喜晴, 谷田肇, 宇留賀朋哉, 菅野了次

電池討論会講演要旨集   50th   2009

高分散ナノ構造を有する高エネルギー密度蓄電池負極材料の開発

2019 - 2020

科学技術振興機構  産学が連携した研究開発成果の展開 研究成果展開事業 研究成果最適展開支援プログラム(A-STEP) 機能検証フェーズ 試験研究タイプ 

平山 雅章

Synthesis of hydride ion conducting oxyhydride thin films

Grant number：17K19171  2017.6 - 2019.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Challenging Research (Exploratory)

Kanno Ryoji

Creation of superionic conductors

Grant number：17H06145  2017.5 - 2021.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (S)

Kanno Ryoji

Studies on photoelectrochemical lithium insertion/desertion reactions

Grant number：16K05929  2016.4 - 2019.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

Hirayama Masaaki, Kanno Ryoji

Development of hydride ion conduction mechanism and novel energy devices

Grant number：15K13803  2015.4 - 2017.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Challenging Exploratory Research

Kanno Ryoji

Study of Hybrid film of lithium battery cathode and piezo substrate

Grant number：26410239  2014.4 - 2017.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

Sonoyama Noriyuki, HIRAYAMA Masaaki

Structure analysis and design of space charge layer for development of all-solid-state batteries

Grant number：25248051  2013.10 - 2016.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (A)

Kanno Ryoji, Kawaji Hitoshi, Tamua Kazuhisa, Imanisi Nobuyuki, Hirayama Masaaki, Suzuki Kota, Sonoyama Noriyuki, Yonemura Masao

Development of solid state ionics materials based on nano-structure information

Grant number：25106009  2013.6 - 2018.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Kanno Ryoji, Kobayashi Genki, Mori Daisuke

Ionic distribution analysis at electrode/electrolyte interfaces in energy storage devices

Grant number：25410237  2013.4 - 2016.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

Hirayama Masaaki

Novel energy device using hydride ion conductors

Grant number：25620180  2013.4 - 2015.3

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Challenging Exploratory Research

KANNO Ryoji, HIRAYAMA Masaaki, KOBAYASHI Genki, SUZUKI Kota

Exploration of hydride conductor

Grant number：23655191  2011 - 2012

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Challenging Exploratory Research

KANNO Ryoji, HIRAYAMA Masaaki, KOBAYASHI Genki

Surface structures analysis and function control for lithium battery reaction

Grant number：23750237  2011 - 2012

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Young Scientists (B)

HIRAYAMA Masaaki

Development of all solid-state batteries for new generation energy devices

Grant number：22245035  2010 - 2012

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (A)

KANNO Ryoji, HIRAYAMA Masaaki, TAKEDA Yasuo, YONEMURA Masao, TAMURA Kazuhisa, SONOYAMA Noriyuki

Characterization of nano-scale interface in lithium batteries using epitaxial model electrodes

Grant number：21750205  2009 - 2010

Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Young Scientists (B)

HIRAYAMA Masaaki