1. Hideyuki Yasufuku, Tsuyoshi Ohnishi, Shigenori Ueda, Yoshiyuki Yamashita, Hiroshi Shinotsuka, Hideki Yoshikawa, Shigeo Tanuma, Satoshi Kawada, Yoshitaka Matsushita. Hard x-ray photoelectron spectroscopy (HAXPES) Cr Kα and XPS Al K α measurements of bulk lithium metal. Surface Science Spectra. 33 [1] 014001-1-014001-10. 2026. Open Access
2. Tsukasa Iwama, Ryosuke Sugimoto, Raimu Endo, Tsuyoshi Ohnishi, Masakazu Haruta, Takayuki Doi, Takuya Masuda. Electrochemical Lithiation and Delithiation of Amorphous Nonstoichiometric Silicon Oxide Thin-Film Electrode Studied by Operando X-ray Photoelectron Spectroscopy. The Journal of Physical Chemistry Letters. 17 [7] 2181-2190. 2026. Open Access

2025

1. Morihiro Maruno, Futa Nakayama, Yasuhiro Suzuki, Miyuki Sakakura, Tsuyoshi Ohnishi, Yuki Nomura, Koji Hiraoka, Kazuo Yamamoto, Takeshi Yajima, Yasutoshi Iriyama. Chemical design rules for low-resistivity electrode–electrolyte interfaces in all-solid-state lithium batteries. Communications Materials. 6 [1] 144-1-144-10. 2025. Open Access
2. Kei NISHIKAWA, Takuya MASUDA, Yibin XU, Yoshitaka TATEYAMA, Shoichi MATSUDA, Shuji NAKANISHI, Shotaro HANADA, Yoshiharu MUKOUYAMA, Toshihiko MANDAI, Naoaki KUWATA, Tsuyoshi OHNISHI, Kiyoshi KANAMURA. Global Trends in Battery Research and Development: The Contribution of the Center for Advanced Battery Collaboration. Electrochemistry. 93 [6] 062003-062003. 2025. Open Access
3. Shinichi Takeno, Taiki Suematsu, Ryusei Kunisaki, Gen Hasegawa, Ken Watanabe, Naoaki Kuwata, Kazutaka Mitsuishi, Tsuyoshi Ohnishi, Kazunori Takada, Kohichi Suematsu, Kengo Shimanoe. New insight into designing a thick-sintered cathode for Li-ion batteries: the impact of excess lithium in LiCoO₂ on its electrode performance. Journal of Materials Chemistry A. 13 [4] 2943-2949. 2025. Open Access

2024

1. K. Mitsuishi, T. Ohnishi, K. Niitsu, T. Masuda, S. Miyoshi, K. Takada. Lowering the sintering temperature of LiCoO2 using LiOH aqueous solution. Solid State Ionics. 417 116717-116717-6. 2024. Open Access
2. Tsuyoshi Ohnishi. Fabrication of thin-film batteries composed of LiCoO2, Li3PO4, and Li layers. Journal of Solid State Electrochemistry. 28 [12] 4355-4366. 2024. Open Access
3. Tsuyoshi Ohnishi, Isao Sakaguchi, Kazunori Takada. Surface Treatment of Garnet-Type Solid Electrolyte for Suppressing Dendritic Growth. ACS Applied Energy Materials. 7 [13] 5321-5325. 2024. Open Access
4. Keisuke Yoshikawa, Takeshi Kato, Yasuhiro Suzuki, Akihiro Shiota, Tsuyoshi Ohnishi, Koji Amezawa, Aiko Nakao, Takeshi Yajima, Yasutoshi Iriyama. Origin of O₂ Generation in Sulfide‐Based All‐Solid‐State Batteries and its Impact on High Energy Density. Advanced Science. 2402528-1-2402528-7. 2024. Open Access
5. Ridwan P. Putra, Kyosuke Matsushita, Tsuyoshi Ohnishi, Takuya Masuda. Operando Nanomechanical Mapping of Amorphous Silicon Thin Film Electrodes in All-Solid-State Lithium-Ion Battery Configuration during Electrochemical Lithiation and Delithiation. The Journal of Physical Chemistry Letters. 15 [2] 490-498. 2024. Open Access
6. Gen Hasegawa, Naoaki Kuwata, Tsuyoshi Ohnishi, Kazunori Takada. Visualization and evaluation of lithium diffusion at grain boundaries in Li_0.29La_0.57TiO₃ solid electrolytes using secondary ion mass spectrometry. Journal of Materials Chemistry A. 12 [2] 731-738. 2024. Open Access

2023

1. 岩間 司, 大西 剛, 増田 卓也. Operando Observation of Lithiation and Delithiation Reactions of a LiCoO₂-Li₃BO₃ Composite Electrode Formed on a Li_6.6La₃Zr_1.6Ta_0.4O₁₂ Solid Electrolyte Sheet by Laboratory-based Hard X-ray Photoelectron Spectroscopy. Electrochemistry. 91 [11] 117005-117005. 2023. Open Access
2. Naohiro Hayashi, Tsuyoshi Ohnishi, Kazunori Takada. Impact of intentional composition tuning on the sintering properties of Ca–Bi co-doped Li₇La₃Zr₂O₁₂ for co-fired solid-state batteries. Journal of Materials Chemistry A. 11 [29] 15681-15690. 2023. Open Access

1. OHNISHI, Tsuyoshi, TAKADA, Kazunori. Thin Film Battery with Epitaxial LiCoO2 Cathode. Interface Ionics. 2024. Open Access

1. IWAMA, Tsukasa, 杉本 稜介, OHNISHI, Tsuyoshi, 春田 正和, 土井 貴之, MASUDA, Takuya. Electrochemical Lithiation and Delithiation of SiOx Thin-Film on a Li6.6La3Zr1.6Ta0.4O12 Solid Electrolyte Sheet Studied By Operando X-Ray Photoelectron Spectroscopy. 248th ECS Meeting. 2025.
2. 岩間 司, 杉本 稜介, 大西 剛, 春田 正和, 土井 貴之, 増田 卓也. X線光電子分光法によるシリコン酸化物系薄膜負極のオペランド反応解析. 2025電気化学秋季大会. 2025.

2024

1. 大西 剛. 正極粉体塗り付け全固体電池の作製２. 第65回電池討論会. 2024.
2. Ridwan Pratama Putra, MATSUSHITA Kyosuke, OHNISHI, Tsuyoshi, MASUDA, Takuya. Unveiling the Nanomechanical Phenomena in Silicon Thin Film Electrodes by Real-time Bimodal Atomic Force Microscopy Imaging. NIMS Award Symposium 2024. 2024.
3. IWAMA, Tsukasa, OHNISHI, Tsuyoshi, MASUDA, Takuya. Electrochemical Reactions of LiCoO2 -Li3BO3 Composite Electrode Constructed onLi6.6La3Zr1.6Ta0.4O12 solid Electrolyte Sheet Studied By in Situ Hard X-Ray PhotoelectronSpectroscopy (HAXPES). The Electrochemical Society PRiME 2024. 2024.
4. Ridwan Pratama Putra, MATSUSHITA Kyosuke, OHNISHI, Tsuyoshi, MASUDA, Takuya. Development of Operando Bimodal Atomic Force Microscopy System for Real-Time Nanomechanical Mapping of Electrode Cross-Sections in All-Solid-State Lithium-Ion Battery Configuration. PRiME 2024 (Pacific Rim Meeting on Electrochemical & Solid‐State Science). 2024.
5. 坂口 勲, 大西 剛. ペロブスカイト構造を有する(Li,La)TiO3のLi電導度測定値とSIMS測定中のLi移動の整合性に関する研究. 日本鉱物科学会2024年年会・総会. 2024.
6. 大西 剛. 正極粉体塗り付け全固体電池の作製. 全固体電池のプロセスサイエンス　第３回シンポジウム. 2024.
7. 大西 剛. 正極粉体塗り付け全固体電池の作製. 第25回　エネルギー・環境材料研究センター(GREEB)シンポジウム. 2024.

2023

1. 大西 剛. 正極粉体塗り付け全固体電池の作製. 第2回　先進蓄電池研究開発（ABC）拠点シンポジウム. 2023. 招待講演
2. TAKADA, Kazunori, OHNISHI, Tsuyoshi. Application of thin films to fundamental studies on solid-state batteries. The 15th Pacific Rim Conference of Ceramic Societies. 2023. 招待講演
3. Ridwan Pratama Putra, MATSUSHITA Kyosuke, OHNISHI, Tsuyoshi, MASUDA, Takuya. Real-time Nanomechanical Mapping and Topography Imaging of Amorphous Silicon Electrodes in All-solid-state Lithium-batteries by Bimodal Atomic Force Microscopy. The 14th International Conference on Advanced Lithium Batteries for Automobile Applications (ABAA). 2023.
4. Ridwan Pratama Putra, MATSUSHITA Kyosuke, OHNISHI, Tsuyoshi, MASUDA, Takuya. Operando Nanomechanical Mapping of Silicon Thin Film Electrode During the First Lithiation and Delithiation Investigated by Bimodal Atomic Force Microscopy. 243rd ECS Meeting with the 18th International Symposium on Solid Oxide Fuel Cells (SOFC-XVIII). 2023.
5. IWAMA, Tsukasa, OHNISHI, Tsuyoshi, MASUDA, Takuya. Operando Hard X-ray Photoelectron Spectroscopy for Observing Interfacial Electrochemical Reactions in All-Solid-State Batteries. 243rd ECS Meeting with the 18th International Symposium on Solid Oxide Fuel Cells (SOFC-XVIII). 2023.
6. 岩間 司, 大西 剛, 増田 卓也. 固体電解質上に形成されたLiCoO2電極層におけるオペランドHAXPES反応解析. 電気化学会第90回大会. 2023.
7. Ridwan Pratama Putra, MATSUSHITA Kyosuke, OHNISHI, Tsuyoshi, MASUDA, Takuya. Operando Nanomechanical Measurements of Silicon Thin Film Electrode During Electrochemical Lithiation and Delithiation by Bimodal Atomic Force Microscopy. The 90th ECSJ Annual Meeting 電気化学会第90回大会. 2023.

1. 大西 剛. 正極・負極材料. 化学. 78 24-26. 2023.