Journal Paper

• Kota Suzuki, Kazuhiro Hikima, Masaaki Hirayama, Ryoji Kanno. Modeling and Characterization of Thin-Film Solid–Solid Interfaces in Lithium Solid-State Batteries, Interface Ionics, Springer, Singapore, pp. 45–53, Oct. 2024.
• Peilu Jiang, Huangkai Zhou, Subin Song, Kota Suzuki, Kenta Watanabe, Yumi Yamaguchi, Naoki Matsui, Satoshi Hori, Ryoji Kanno, Masaaki Hirayama. A composite cathode with a three-dimensional ion/electron-conducting structure for all-solid-state lithium–sulfur batteries, Communications Materials, SPRINGER NATURE, Volume 5, Issue 105, June 2024.
• Kotaro Ito, Kazuhisa Tamura, Keisuke Shimizu, Norifumi L. Yamada, Kenta Watanabe, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama. Degradation mechanism of LiCoO2 at a high voltage in a model all- solid-state battery with highly stable solid/solid interfaces, RSC Appl. Interfaces, Royal Society of Chemistry, Volume 1, Page 790-799, Apr. 2024.
• Hanseul Kim, Kazuhiro Hikima, Kenta Watanabe, Naoki Matsui, Kouta Suzuki, 小保方 聡, 武藤 浩行, 松田 厚範, Ryoji KANNO, Masaaki Hirayama. 硫化物固体電解質Li10.35Ge1.35P1.65S12の微細化による機械的強度の向上, 粉体および粉末冶金, J-STAGE, Volume 71, Issue 3, p. 92-97, Mar. 2024.
• Dongho Kang, Kotaro Ito, Keisuke Shimizu, Kenta Watanabe, Naoki Matsui, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama. Fabrication and High-temperature Electrochemical Stability of LiFePO4 Cathode/Li3PO4 Electrolyte Interface, Electrochemistry, The Electrochemical Society of Japan, Volume 92, Issue 3, Page 037008, Mar. 2024.
• Kenta Watanabe, Yuhei Horisawa, Masataka Yoshimoto, Kazuhisa Tamura, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama. Stable Photoelectrochemical Reactions at Solid/Solid Interfaces toward Solar Energy Conversion and Storage, Nano Letters 2024, American Chemical Society, Volume 24, Issue 6, Page 1916–1922, Feb. 2024.
• Junpei Nakayama, Huangkai Zhou, Jun Izumi, Kenta Watanabe, Kota Suzuki, Fumiya Nemoto, L. Norifumi Yamada, Ryoji Kanno, Masaaki Hirayama. Electrical Double Layer Formation at Intercalation Cathode–Organic Electrolyte Interfaces During Initial Lithium-Ion Battery Reactions, Advanced Materials Interfaces, Wiley-VCH GmbH, Volume 11, Issue 5, Feb. 2024.
• Masataka Yoshimoto, Kazuhisa Tamura, Kenta Watanabe, Keisuke Shimizu, Takeshi Kobayashi, Hanae Tsurita, Yuhei Horisawa, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama. Intercalative and non-intercalative photo-recharge using all-solid-state cells for solar energy conversion and storage, Sustainable Energy & Fuels, Royal Society of Chemistry, Volume 8, Issue 6, Page 1236-1244, Feb. 2024.
• Takeshi Tojigamori, Naoki Matsui, Kota Suzuki, Masaaki Hirayama, Takeshi Abe, Ryoji Kanno. Fluorination/Defluorination Behavior of Y2C in Fluoride-Ion Battery Anodes, ACS Applied Materials and Interfaces, American Chemical Society, Volume 7, Issue 3, Page 1100–1108, Feb. 2024.
• Sho Asano, Jun-Ichi Hata, Kenta Watanabe, Keisuke Shimizu, Naoki Matsui, L.Norifumi Yamada, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama. Formation Processes of a Solid Electrolyte Interphase at a Silicon/Sulfide Electrolyte Interface in a Model All-Solid-State Li-Ion Battery, ACS Applied Materials and Interfaces, ACS Publications, Volume 16, Issue 6, Page 7189–7199, Feb. 2024.
• Sho Asano, Jun-ichi Hata, Kenta Watanabe, Naoki Matsui, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama. Interfacial structure changes between amorphous silicon anode/liquid electrolyte using a highly dense and flat model electrode, Journal of Solid State Electrochemistry, Springer Nature, Volume 28, Issue 2, Feb. 2024.

International Conference (Reviewed)

• Y. Sasaki, S. Hori, K. Suzuki, M. Hirayama, Y. Jang, R. Kanno. Relationship between Crystal Structure and Ionic Conductivity in Structural Polymorphs of Li2MS3 (M = Si, Ge) Solid Electrolytes, PRiME2024, Oct. 2024.
• P. Jiang, H. Zhou, S. Song, K. Suzuki, K. Watanabe, Y. Yamaguchi, N. Matsui, S. Hori, R. Kanno, M. Hirayama. A Liquid-Phase-Synthesized Cathode Composite with a Three-Dimensional Ion/Electron-Conducting Structure for All-Solid-State Lithium–Sulfur Batteries, PRiME2024, Oct. 2024.
• T. Hirose, N. Matsui, K. Watanabe, T. Saito, K. Mori, K. Suzuki, R. Kanno, M. Hirayama. Optimization of Hydride–Ion Conductivity of Perovskite–Type Structure in SrLiH3–CaLiH3–NaLiH2 Quasi–Ternary System, PRiME2024, Oct. 2024.
• Hikaru Okudaira, Takumi Yabuzaki, Kenta Watanabe, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama. Effects of oxygen substitution and additives on atmospheric stability of LGPS-type solid electrolytes, 第14回日仏電池セミナー, Sept. 2024.
• Masaaki Hirayama, Kenta Watanabe, Keisuke Shimizu, Kota Suzuki, Ryoji Kanno, Kazuhisa Tamura, L. Norifumi Yamada. Direct Observation at Cathode/Solid Electrolyte Interfaces Using Thin-film Batteries, 第14回日仏電池セミナー, Sept. 2024.
• Masataka Yoshimoto, Kazuhisa Tamura, Kenta Watanabe, Keisuke Shimizu, Yuhei Horisawa, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama. Lithium Photo-extraction using all-solid-state photo-rechargeable battery for photo energy conversion and storage, Solid State Ionics2024, July 2024.
• Masataka Yoshimoto, Kazuhisa Tamura, Kenta Watanabe, Keisuke Shimizu, Yuhei Horisawa, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama. Lithium Photo-extraction using all-solid-state photo-rechargeable battery for photo energy conversion and storage, Solid State Ionics2024, July 2024.
• Takashi Hirose, Naoki Matsui, Kenta Watanabe, Takashi Saito, Kazuhiro Mori, Kota Suzuki, Ryoji Kanno, Masaaki Hirayama. Optimization of Hydride-Ion Conductivity of Perovskite-type structure in SrLiH3–CaLiH3–NaLiH2 Quasi-Ternary System, Solid State Ionics2024, July 2024.

Domestic Conference (Reviewed)

• Kenta Watanabe, Masataka Yoshimoto, 田村 和久, 堀澤 侑平, Kouta Suzuki, Ryoji KANNO, Masaaki Hirayama. 全固体系における Li+脱離を伴う光電気化学的酸化, 2024年光化学討論会, Sept. 2024.
• Kakeru Murakami, Kenta Watanabe, Kuniharu Nomoto, Kouta Suzuki, Ryoji KANNO, Masaaki Hirayama. 粒径の異なるLiCoO2を用いたLiCoO2-Li10GeP2S12正極複合体の電気化学特性, 粉体粉末冶金協会2024年度春季大会, May 2024.
• Kota Onuki, Naoki Matsui, Kouta Suzuki, Masaaki Hirayama, Ryoji KANNO. Scheelite型新規フッ化物イオン導電体LiYbF4の合成とイオン導電特性, 粉体粉末冶金協会2024年度春季大会, May 2024.
• Masaki Shishido, Satoshi Takahashi, Kenta Watanabe, Kouta Suzuki, Ryoji KANNO, Masaaki Hirayama, 中村 滉太郎, 阿部 智大, 花輪 洋宇, 安部 浩史. 全固体電池用graphite-Li10P3S12Br複合体負極の電気化学特性, 粉体粉末冶金協会2024年度春季大会, May 2024.
• Tianyi LIU, Yumi YAMAGUCHI, Naoki MATSUI, Satoshi HORI, Masaaki HIRAYAMA, Kota SUZUKI, Ryoji KANNO. Development of carbon replica and lithium composite anode, 粉体粉末冶金協会2024年度春季大会, May 2024.
• Yuqi Wang, Satoshi Oshima, Kenta Watanabe, Naoki Matsui, Kouta Suzuki, Ryoji KANNO, Masaaki Hirayama. 充放電における未修飾LiCoO2/Li10GeP2S12–xOx正極複合体界面の活性化過程, 粉体粉末冶金協会2024年度春季大会, May 2024.
• Enchiyo Ri, Kenta Watanabe, Keisuke Shimizu, Kouta Suzuki, Ryoji KANNO, Masaaki Hirayama. 薄膜電池を用いた酸化物正極/硫化物固体電解質モデル界面の電気化学特性, 粉体粉末冶金協会2024年度春季大会, May 2024.
• Haruto Ikeda, Takashi Hirose, Naoki Matsui, Kouta Suzuki, Masaaki Hirayama, Ryoji KANNO. H/F比を制御した複合アニオン化合物の合成と電気化学特性, 粉体粉末冶金協会2024年度春季大会, May 2024.
• Hikaru Okudaira, Takumi Yabuzaki, Kenta Watanabe, Kouta Suzuki, Ryoji KANNO, Masaaki Hirayama. Al2O3を複合化したLi10GeP2S12-xOx固体電解質の大気安定性, 粉体粉末冶金協会2024年度春季大会, May 2024.
• Masataka Yoshimoto, Kenta Watanabe, 堀澤 侑平, Kazuhisa Tamura, Keisuke Shimizu, Kouta Suzuki, Ryoji KANNO, Masaaki Hirayama. 電極/固体電解質界面における光電気化学反応, 電気化学会第91回大会, Mar. 2024.
• Kenta Watanabe, Satoshi Takahashi, Naoki Matsui, Kouta Suzuki, Ryoji KANNO, Masaaki Hirayama. 金属負極/固体電解質界面のin-situ修飾による安定化, 電気化学会第91回大会, Mar. 2024.
• Takumi Sakamoto, Kuniharu Nomoto, 岩田 英一, Naoki Matsui, Satoshi Hori, Masaaki Hirayama, Kouta Suzuki, Ryoji KANNO. MnO2電極の化学酸化処理と全固体リチウム電池特性, 電気化学会第91回大会, Mar. 2024.
• Toshiya Nakayama, Kouta Suzuki, Naoki Matsui, Kenta Watanabe, 世古 敦人, I. Tanaka, Ryoji KANNO, Masaaki Hirayama. 推薦システムが提案した未知組成とその期待値の大きさに基づく全固体電池材料の探索, 電気化学会第91回大会, Mar. 2024.
• Kenta Watanabe, Takuma Noda, Hanseul KIM, Naoki Matsui, Kouta Suzuki, Ryoji KANNO, Masaaki Hirayama. Direct tracking reaction distribution in a composite cathode of an all-solid-state battery using operando SEM-EDX, 第62回セラミックス基礎科学討論会, Jan. 2024.
• Satoshi Takahashi, Kenta Watanabe, Naoki Matsui, Kouta Suzuki, Ryoji KANNO, Masaaki Hirayama. 固体電解質/金属負極界面の界面制御によるサイクル安定性向上, 第62回セラミックス基礎科学討論会, Jan. 2024.

International Conference (Not reviewed / Unknown)

• Masaaki Hirayama. Mechanistic Studies on Electrode/Electrolyte Interfaces in Li-Ion Batteries Using in-Situ Neutron Reflectometry, PRiME2024, Oct. 2024.

Domestic Conference (Not reviewed / Unknown)

• Masaaki Hirayama. 微細化した LGPS 型硫化物電解質の電気化学特性と機械的特性, セラミックス協会第37回秋季シンポジウム, Sept. 2024.
• Masaaki Hirayama. リチウムイオン電池電極の界面構造と反応解析, 日本顕微鏡学会 第80回学術講演会, June 2024.

Other Publication

• Kenta Watanabe, Masaaki Hirayama. 全固体電池とイオン伝導体, 電気計算, Apr. 2024.

Patent

• Masaaki Hirayama, Junichi Hata, Kouta Suzuki, Ryoji KANNO. ナノ構造体、電極及び電池. Patent. Registered. 国立大学法人東京工業大学. 2019/09/09. 特願2020-546010. 2021/08/30. 再表2020/054665. 特許第7496133号. 2024/05/29 2024.

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