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エネルギー・環境材料研究センター 先進蓄電池研究開発拠点 全固体チーム

[論文] [書籍] [会議録] [口頭発表] [その他の文献]

論文

2026
  1. Shuhei Kobayashi, Kei Kubota, Fumihiko Ichihara, Machiko Ode, Shogo Miyoshi, Takuya Masuda. Co-Sintering Reaction Analysis of NASICON-Type Oxide-BasedSolid Electrolyte Li1.3Al0.3Ti1.7(PO4)3 and Olivine-Type Lithium Metal Phosphates. The Journal of Physical Chemistry C. 130 [37] 12864-12874. 2026. Open Access
  2. Yushi Fujita, Yuta Ito, Tomonari Takeuchi, Randy Jalem, Naoaki Kuwata, Kazunori Takada, Toyoki Okumura. Effects of Sr 2+ Doping on Phase Stability and Lithium-Ion Conductivity in Pyrochlore-type Oxyfluoride Solid Electrolytes. Inorganic Chemistry. 65 [27] 15905-15913. 2026. Open Access
  3. Zehao Xu, Hiroaki Furuse, Shogo Miyoshi, Tohru S. Suzuki. Transparent Er:(Y,La) 2 O 3 Ceramics With High La 3+ Concentration for Mid‐Infrared Laser Applications. Journal of the American Ceramic Society. 109 [7] e71031-1-e71031-11. 2026. Open Access
  4. Prince Sharma, Gen Hasegawa, Sihao Xing, Naoaki Kuwata. Advancing Solid-State Batteries via Thin-Film Electrolytes Fabricated by Pulsed Laser Deposition. ACS Applied Electronic Materials. 8 [12] 4855-4875. 2026. Open Access
  5. Marcela Calpa, Randy Jalem, Taiga Ozawa, Minako Nishioka, Anna Myojin, Gen Hasegawa, Naoaki Kuwata, Shoichi Matsuda, Kei Kubota, Kazunori Takada. Modulating Redox Pathways in Manganese-Based Disordered Rocksalt Cathodes via Molybdenum Incorporation. Chemistry of Materials. 38 [11] 5579-5587. 2026. Open Access
  6. 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
  7. 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
  8. Sihao Xing, Gen Hasegawa, Prince Sharma, Daisuke Ito, Kazuhiro Kamiguchi, Kazunori Takada, Naoaki Kuwata. Operando Time-of-Flight Secondary Ion Mass Spectrometry Visualization of Reversible and Irreversible Reactions in Oxide-Based Solid-State Batteries. ACS Energy Letters. 11 [2] 1889-1896. 2026. Open Access
  9. Hongbo Yuan, Kaori Sugii, Gen Hasegawa, Yu Meng, Yoshitaka Matsushita, Hirofumi Akamatsu, Naoaki Kuwata, Kazunari Yamaura, Yoshihiro Tsujimoto. Flux Crystal Growth of Ruddlesden–Popper Titanium Oxysulfides Li Ln TiO 3 S ( Ln = La–Gd): Lithium-Ion Mobility in Li 1– x Nd(Ti 1– x Nb x )O 3 S ( x = 0–0.25). Chemistry of Materials. 38 [3] 1457-1468. 2026. Open Access
  10. Naoto Tanibata, Naoki Nonaka, Daisuke Urushihara, Hayami Takeda, Ryo Kobayashi, Naoaki Kuwata, Masanobu Nakayama. High‐Throughput Screening and Characterization of Non‐Flammable Na‐Cl Solid Electrolytes. Advanced Electronic Materials. 12 [4] e00688-1-e00688-9. 2026. Open Access
2025
  1. Tewelde Hailay Gebregeorgis, Naoaki Kuwata, Mats Meeusen, Xinhua Zhu, Annick Hubin, Mesfin Haile Mamme. A coupled electro-chemo-mechanical model for all-solid-state batteries and its impact on performance prediction. Electrochimica Acta. 541 147121-147121-17. 2025. Open Access
  2. K. Niitsu, F. Ichihara, S. Miyoshi, M. Ode, K. Mitsuishi, T. Masuda, K. Takada. Structural analysis of the LiCoO2 cathodes/garnet-type Li6.5La3Zr1.5Ta0.5O12 solid electrolyte interface. Solid State Ionics. 421 116804-116804-10. 2025. Open Access
  3. Naoaki Kuwata, Gen Hasegawa, Sihao Xing, Kenjiro Hashi, Yoshitaka Matsushita, Randy Jalem, Kazunori Takada, Hitoshi Onodera, Shuhei Yoshida. Fast lithium-ion diffusion in pyrochlore-type oxyfluoride Li1.25La0.58Nb2O6F. Solid State Ionics. 428 116924-116924-8. 2025. Open Access
  4. 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
  5. Nithya Hellar, Yoshiki Iwai, Masato Ohzu, Sebastian Brox, Arunkumar Dorai, Reiji Takekawa, Naoaki Kuwata, Junichi Kawamura, Martin Winter. Direct observation of Mn-ion dissolution from LiMn2O4 lithium battery cathode to electrolyte. Communications Materials. 6 [1] 1-7. 2025. Open Access
  6. Daisuke Ito, Naoaki Kuwata, Seiji Takemoto, Kazuhiro Kamiguchi, Gen Hasegawa, Kazunori Takada. Lattice-matched antiperovskite-perovskite system toward all-solid-state batteries. Nature Communications. 16 [1] 7372-1-7372-12. 2025. Open Access
  7. 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
  8. Prince Sharma, Gen Hasegawa, Sihao Xing, Naoaki Kuwata. Unlocking the potential of battery technologies through time-of-Flight Secondary Ion Mass Spectrometry. Science and Technology of Advanced Materials. 26 [1] 2580917-1-2580917-49. 2025. Open Access
  9. Miyuki Shinoda, Koki Matsunoshita, Masanobu Nakayama, Satoshi Hiroi, Koji Ohara, Masaki Abe, Nozomu Ishiguro, Yukio Takahashi, Gen Hasegawa, Naoaki Kuwata, Tsukasa Iwama, Takuya Masuda, Kosuke Suzuki, Hirofumi Ishii, Yu-Cheng Shao, Daisuke Shibata, Akinori Irizawa, Toshiaki Ohta, Itsuki Konuma, Teppei Ohno, Yosuke Ugata, Naoaki Yabuuchi. Activation of Anionic Redox for Stoichiometric and Li-Excess Metal Sulfides through Structural Disordering: Joint Experimental and Theoretical Study. Journal of the American Chemical Society. 147 [30] 26238-26253. 2025. Open Access
  10. Fumihiko Ichihara, Shogo Miyoshi, Machiko Ode, Takuya Masuda. Co-sintering Reaction Analysis of LiCoO2 Cathodes and NASICON-Type LATP Solid Electrolytes Studied by Experimental and Computational Methods. The Journal of Physical Chemistry C. 12738-12749. 2025. Open Access
  11. Yuki Nomura, Kazuo Yamamoto, Naoaki Kuwata, Tsukasa Hirayama. Imaging Phase Boundary Kinetics in Lithium Titanate Using Operando Electron Energy-Loss Spectroscopy. ACS Energy Letters. 10 [3] 1404-1410. 2025. Open Access
  12. 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. 小林 清, 三好 正悟, 鈴木 達. Production of Solidified Body from a Melt and Its Electrical Conductivity of CsSnBr<sub>3</sub> Using Precursor Prepared by Mechanochemical Reaction Process. MATERIALS TRANSACTIONS. 65 [11] 1397-1401. 2024. Open Access
  2. Kento Ishii, Shogo Miyoshi, Kazunori Takada, Tetsuo Uchikoshi. Surface modification of Li<sub>3</sub>PO<sub>4</sub> to Li<sub>1.3</sub>Al<sub>0.3</sub>Ti<sub>1.7</sub>(PO<sub>4</sub>)<sub>3</sub> by wet chemical process and its sintering behavior. Journal of the Ceramic Society of Japan. 132 [6] 257-266. 2024. Open Access
  3. 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
  4. Gen Hasegawa, Youngseok Kim, Yoshinori Tanaka, Naoaki Kuwata, Kunimitsu Kataoka, Takahisa Ohno, Junji Akimoto, Kazunori Takada. Improvement of Lithium-Ion Conductivity by Hf Substitution in Lithium Tantalum Phosphate (LiTa2PO8) Solid Electrolyte. ACS Applied Energy Materials. 7 [23] 10897-10905. 2024. Open Access
  5. Naoya Masuda, Kiyoshi Kobayashi, Futoshi Utsuno, Naoaki Kuwata. Enhanced capacity of all-solid-state battery comprising LiNbO3-coated Li(Ni0.8Co0.1Mn0.1)O2 Cathode, Li5.4(PS4)(S0.4Cl1.0Br0.6) solid electrolyte and lithium metal anode. Journal of Solid State Electrochemistry. 28 [12] 4409-4417. 2024. Open Access
  6. 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
  7. 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
  8. 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
  9. Arunkumar Dorai, Naoaki Kuwata. Understanding Ion Dynamics in Closoborate-Type Lithium-Ion Conductors on Different Time-Scales. The Journal of Physical Chemistry Letters. 15 [18] 4864-4871. 2024. Open Access
  10. 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
  11. Gen Hasegawa, Naoaki Kuwata, Tsuyoshi Ohnishi, Kazunori Takada. Visualization and evaluation of lithium diffusion at grain boundaries in Li0.29La0.57TiO3 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 LiCoO<sub>2</sub>-Li<sub>3</sub>BO<sub>3</sub> Composite Electrode Formed on a Li<sub>6.6</sub>La<sub>3</sub>Zr<sub>1.6</sub>Ta<sub>0.4</sub>O<sub>12</sub> Solid Electrolyte Sheet by Laboratory-based Hard X-ray Photoelectron Spectroscopy. Electrochemistry. 91 [11] 117005-117005. 2023. Open Access
  2. Brigita Darminto, Kenjiro Hashi, Naoaki Kuwata. On the Origin of the Non‐Arrhenius Na‐ion Conductivity in Na3OBr. Angewandte Chemie International Edition. 62 [51] e202314444. 2023. Open Access
  3. Naoki Yoshida, Naoaki Kuwata, Gen Hasegawa, Kazunori Takada. Liquid phase penetration sintering of garnet-type solid electrolyte LLZTO. Solid State Ionics. 403 116408. 2023. Open Access
  4. 小林 清, 三好 正悟, 鈴木 達. メカノケミカル反応によるCsSnBr3前駆体合成と前駆体から製造した溶融凝固体の電気伝導度. 粉体および粉末冶金. 70 [10] 427-431. 2023.
  5. Naoya Masuda, Kiyoshi KOBAYASHI, Naoaki Kuwata. Electrochemical Stability of Li5.4(PS4)(S0.4Cl1.0Br0.6) in an All-Solid-State Battery Comprising LiNbO3-Coated Li(Ni0.8Co0.1Mn0.1)O2 Cathode and Lithium Metal Anode. Journal of The Electrochemical Society. 170 [9] 090529. 2023. Open Access
  6. Fumihiko Ichihara, Kodai Niitsu, Yoshinori Tanaka, Yasuhiro Niwa, Kazutaka Mitsuishi, Shogo Miyoshi, Takahisa Ohno, Takuya Masuda. Structural Analysis of the LiCoPO4 Electrode/NASICON-Type Li1.3Al0.3Ti1.7(PO4)3 Solid Electrolyte Interface. The Journal of Physical Chemistry C. 127 [31] 15043-15050. 2023.
  7. Yushi Fujita, Naoaki Kuwata. Structural Investigation of Li2O–LiI Amorphous Solid Electrolytes. The Journal of Physical Chemistry C. 127 [30] 14687-14693. 2023. Open Access
  8. Masahito Ikeda, Randy Jalem, Gen Hasegawa, Naoaki Kuwata, Yoshitaka Tateyama. Theoretical Prediction and High-Pressure Synthesis of New LISICON-Type Solid-State Electrolyte Li2.75[B0.625P0.125S0.25]O3.375. The Journal of Physical Chemistry C. 127 [29] 14117-14124. 2023.
  9. 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
  10. Gen Hasegawa, Naoaki Kuwata, Kenjiro Hashi, Yoshinori Tanaka, Kazunori Takada. Lithium-Ion Diffusion in Perovskite-Type Solid Electrolyte Lithium Lanthanum Titanate Revealed by Pulsed-Field Gradient Nuclear Magnetic Resonance. Chemistry of Materials. 35 [10] 3815-3824. 2023.

書籍

2024
  1. OHNISHI, Tsuyoshi, TAKADA, Kazunori. Thin Film Battery with Epitaxial LiCoO2 Cathode. Interface Ionics. 2024. Open Access
  2. KUWATA, Naoaki, HASEGAWA, Gen. Chapter 24 Pulsed Field Gradient Nuclear Magnetic Resonance Measurement of Lithium Diffusion in Solid Electrolytes. Interface Ionics For All-Solid-State Batteries and Solid State Ionics Devices. 2024. Open Access

会議録

口頭発表

2026
  1. KUWATA, Naoaki. Lithium Diffusion Coefficients in Solid Electrolytes: Insights from SIMS and NMR. Solid State Ionics 2026 (25th International Conference on Solid State Ionics). 2026. 招待講演
  2. KUWATA, Naoaki. Multiscale Lithium-Ion Dynamics in Solid-State Battery Materials. The 23rd International Meeting on Lithium Batteries (IMLB 2026). 2026. 招待講演
  3. 桑田 直明. 固体NMRによる固体電解質中のリチウムイオンのマルチスケールダイナミクス解析. 第27回化学電池材料研究会ミーティング. 2026. 招待講演
  4. VIANTI Aprilia, HASEGAWA, Gen, KUWATA, Naoaki, TAKADA, Kazunori. Liquid-Phase-Assisted Co-Sintering of LCO/LLZTO Bilayers for Garnet-based Solid-State Batteries. 第91回固体イオ二クス研究会（第27回超イオン導電体物性研究会）. 2026. Open Access
  5. 杉井 かおり, 長谷川 源, 笠原 拓真, 片岡 邦光, 野村 優貴, 大野 真之, 桑田 直明. 二次元交換NMRによる酸化物–ハロゲン化物複合電解質中のリチウムイオン運動性の解析. 第91回固体イオニクス研究会. 2026.
2025
  1. ケイ シゴウ, HASEGAWA, Gen, SHARMA, Prince, 伊藤 大輔, 上口 憲陽, TAKADA, Kazunori, KUWATA, Naoaki. Visualizing Elements Distribution of Electrodes in All-Solid-State Batteries Using Operando Time-of-Flight Secondary Ion Mass Spectrometry. Materials Research Meeting 2025 (MRM 2025). 2025.
  2. SHARMA, Prince, HASEGAWA, Gen, 伊藤 有, 藤原 良也, KUWATA, Naoaki. Quantifying Lithium Diffusion in Argyrodite Solid Electrolytes via TOF-SIMS Isotope Exchange with Enriched 6Li Thin Film Deposition. 第51回 固体イオニクス討論会. 2025.
  3. 長谷川 源, ケイ シゴウ, 伊藤 大輔, 上口 憲陽, シャルマ プリンス, 桑田 直明. 酸化物型固体電池におけるオペランドToF-SIMS計測. 第51回 固体イオニクス討論会. 2025.
  4. 桑田 直明, 長谷川 源. PFG-NMRを用いたペロブスカイトおよびパイロクロア型固体電解質のイオンダイナミクス研究. 第66回電池討論会. 2025.
  5. SHARMA, Prince, HASEGAWA, Gen, KUWATA, Naoaki. Enhanced Solid-State Battery Performance Using Mn-Doped Li2SnO3 Cathode Prepared via Solid-State Synthesis. MATSUS Fall 2025 (Materials for Sustainable Development Conference). 2025.
  6. 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.
  7. 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.
  8. 小林 周平, 久保田 圭, 市原 文彦, 大出 真知子, 三好 正悟, 増田 卓也. NASICON型固体電解質LATPと正極材料LiMPO4 (M = Fe, Ni)の共焼結反応分析. 2025電気化学秋季大会. 2025.
  9. Yuki Nomura, Kazuo Yamamoto, KUWATA, Naoaki, Tsukasa Hirayama. Real-time imaging of Li-ion diffusion and phase boundary movement in solid-state batteries using operando STEM-EELS. Microscopy & Microanalysis 2025 . 2025.
  10. XIA Yifan, VIANTI Aprilia, KUWATA Naoaki, KUBOTA Kei. Synthesis of Li-B-Al-O solid electrolytes with low melting point and high lithium ionic conductivity. 第26回化学電池材料研究会ミーティング. 2025.
  11. 野村優貴, 山本和生, 桑田 直明, 平山司. オペランドSTEM-EELSによるチタン酸リチウム負極内部の相境界ダイナミクスの可視化. 日本顕微鏡学会第81回学術講演会. 2025.
  12. 杉井 かおり, 長谷川 源, 桑田 直明, 端 健二郎, 片岡邦光, 秋本 順二, 高田 和典. Li6.5La3Zr1.5Ta0.5O12単結晶の高温における拡散現象. 第８９回固体イオニクス研究会. 2025.
  13. 杉井 かおり, 長谷川 源, 桑田 直明, 端 健二郎, 片岡邦光, 秋本 順二, 高田 和典. 高温PFG-NMRによるLi6.5La3Zr1.5Ta0.5O12単結晶の拡散係数測定. 日本物理学会2025年春季大会. 2025.
  14. 長谷川 源, マルセル カルパ, 桑田 直明. 電池材料における固体中のイオンダイナミクスの高度解析. SATテクノロジー・ショーケース2025. 2025.
  15. 桑田 直明. 全固体電池材料のリチウムイオン拡散：NMRとSIMSでイオンの動きを明らかにする. 化学系学協会北海道支部2025年冬季研究発表会. 2025. 招待講演
2024
  1. 桑田 直明. 多結晶LLTO固体電解質のマルチスケール拡散係数測定. 第34回 日本MRS年次大会. 2024. 招待講演
  2. 長谷川 源, 秋本 順二, 大野 隆央, 桑田 直明. LiTa2PO8固体電解質におけるHf置換によるリチウムイオン伝導性の向上. 第50回固体イオニクス討論会. 2024.
  3. 桑田 直明, 長谷川 源, 端 健二郎, 藤原 靖幸, 射場 英紀. ペロブスカイト型単結晶LLNbOを活用したリチウムイオン拡散の解析. 第65回　電池討論会. 2024.
  4. 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.
  5. Seongjae Ko, 坂田 大成, 島田 頌, Dorai Arunkumar, 西村 真一, 竹中 規雄, 山田 裕貴, 桑田 直明, 河村 純一, 北田 敦, 山田 淳夫. 液相熱力学に基づく亜鉛金属電池用電解液の設計. 第65回　電池討論会. 2024.
  6. 野村 優貴, 桑田 直明. オペランド透過電子顕微鏡法を用いたLTO負極内部のLiイオン拡散の可視化. 第65回　電池討論会. 2024.
  7. 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.
  8. KUWATA, Naoaki. Lithium Diffusion in Perovskite-Type Solid Electrolytes Revealed by PFG NMR and TOF-SIMS. 15th Annual Symposium of Indian Scientists Association in Japan (ISAJ). 2024. 招待講演
  9. 小林 周平, KUBOTA, Kei, ICHIHARA, Fumihiko, ODE, Machiko, MIYOSHI, Shogo, MASUDA, Takuya. Co-Sintering Reaction Analysis of Li1.3Al0.3Ti1.7(PO4)3/LiFePO4 and Li1.3Al0.3Ti1.7(PO4)3/LiNiPO4 Composites. PRiME2024. 2024.
  10. 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.
  11. 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.
  12. 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.
  13. MIYOSHI, Shogo, 西原 佳彦, ICHIHARA, Fumihiko, OHNO, Takahisa, MITSUISHI, Kazutaka, KUWATA, Naoaki, MASUDA, Takuya, TAKADA, Kazunori. Effect of Cobalt-substitution on Phase Relation and Sinterability of Lithium-ion Conductor Based on Lithium Titanium Orthophosphate. 24th International Conference on Solid State Ionics (SSI24). 2024.
  14. KUWATA, Naoaki, HASEGAWA, Gen. Lithium Diffusion in Perovskite-Type Solid Electrolytes Revealed by PFG-NMR. 24th International Conference on Solid State Ionics. 2024.
  15. SHARMA, Prince, HASEGAWA, Gen, KUWATA, Naoaki. Enhanced Lithium Exchange through Indium Layering: Progress in LLZO-Ta Solid Electrolyte Technology. 24th International Conference on Solid State Ionics. 2024.
  16. HASEGAWA, Gen, KUWATA, Naoaki. Grain boundary diffusion analysis in solid electrolytes by lithium isotope SIMS imaging. 24th International Conference on Solid State Ionics. 2024.
  17. 長谷川 源, 秋本 順二, 大野 隆央, 桑田 直明. 新規酸化物型電解質LiTa2PO8におけるHf置換による リチウムイオン伝導性の向上. 第25回超イオン導電体物性研究会（第88回固体イオニクス研究会）. 2024.
  18. 桑田 直明, 長谷川 源. ペロブスカイト単結晶 LixLa(1-x)/3NbO3 のイオンダイナミクス. 第25回超イオン導電体物性研究会（第88回固体イオニクス研究会）. 2024.
  19. 桑田 直明. PFG-NMRによるペロブスカイト型酸化物固体電解質のリチウム拡散解析. 第121回　新電池構想部会. 2024. 招待講演
  20. 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.
  21. 長谷川 源, 秋本 順二, 大野 隆央, 桑田 直明. Hf置換によるLiTa2PO8固体電解質のリチウムイオン伝導性の向上. 日本物理学会2024年春季大会. 2024.
  22. 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. 長谷川 源, 桑田 直明. リチウム同位体拡散イメージングによる固体電解質内のバルク・粒界拡散の解析. 第64回電池討論会. 2023.
  2. ICHIHARA, Fumihiko, MIYOSHI, Shogo, NIITSU, Kodai, 丹羽尉浩, MITSUISHI, Kazutaka, OHNO, Takahisa, ODE, Machiko, MASUDA, Takuya. Compatibility Study of LiCoO2 and LiCoPO4 Cathode Materials with NASICON-Type Solid Electrolyte LATP. 2023 MRS Fall Meeting. 2023.
  3. 桑田 直明, 長谷川 源, 端 健二郎, 藤原靖幸. ペロブスカイト型単結晶LixLa(1-x)/3NbO3の高温イオンダイナミクス計測. 第49回固体イオニクス討論会. 2023.
  4. 三好 正悟, 西原 佳彦, 桑田 直明, 大野 隆央, 高田 和典. 酸化コバルトを添加したNASICON型固体電解質LATPの焼結特性 . 第49回固体イオニクス討論会. 2023.
  5. 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
  6. 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
  7. 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.
  8. 今泉優輝, 桑田 直明, 端 健二郎, 長谷川 源. K3H(SeO4)2のプロトン移動と局所構造. 日本物理学会　第78回年次大会. 2023.
  9. 桑田 直明, 長谷川 源, 端 健二郎, 藤原靖幸. 高温PFG-NMRによるニオブ酸ランタンリチウム単結晶の 拡散係数測定. 日本物理学会　第78回年次大会. 2023.
  10. 長谷川 源, 桑田 直明. SIMSを用いたLi0.29La0.57TiO3多結晶における 粒界でのリチウム拡散の可視化と評価. 日本物理学会　第78回年次大会. 2023.
  11. 小林 周平, 久保田 圭, 市原 文彦, 大出 真知子, 三好 正悟, 増田 卓也. 正極材料（LiFePO4・LiNiPO4）と酸化物系固体電解質LATPの共焼結反応分析. 2023電気化学秋季大会. 2023.
  12. 長谷川 源, 桑田 直明. 二次イオン質量分析法を用いたLi0.29La0.57TiO3固体電解質における粒界拡散の可視化と評価. 第24回超イオン導電体物性研究会（第84回固体イオニクス研究会）. 2023.
  13. 桑田 直明. 単結晶ニオブ酸ランタンリチウム固体電解質におけるリチウム拡散. 第24回超イオン導電体物性研究会（第84回固体イオニクス研究会）. 2023.
  14. 今泉 優輝, 桑田 直明, 端 健二郎, 長谷川 源. 1H-NMRによる K3H(SeO4)2の プロトン 運動 と 局所構造 の 研究. 第24回超イオン導電体物性研究会（第84回固体イオニクス研究会）. 2023.
  15. 吉田 尚生, 桑田 直明, 高田 和典. 液相浸透焼結法によるガーネット型酸化物固体電解質の作製. 第24回超イオン導電体物性研究会（第84回固体イオニクス研究会）. 2023.
  16. 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.
  17. 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.
  18. 市原 文彦, 大出 真知子, 三好 正悟, 増田 卓也. LiCoO2正極材料とNASICON型固体電解質LATPの共焼結反応分析. 電気化学会第90回大会. 2023.
  19. 小林 周平, 久保田 圭, 市原 文彦, 三好 正悟, 増田 卓也. LiMPO4 (M = Fe, Ni) 正極材料と酸化物系固体電解質 LATP の共焼結反応分析. 電気化学会第90回大会. 2023.
  20. 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.
  21. 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.
  22. 三好 正悟, 西原 佳彦, 高田 和典. LiPO3を添加したNASICON型固体電解質LATPの焼結特性. 電気化学会第90回大会. 2023.
  23. 桑田 直明, 吉田 尚生, 高田 和典. 液相浸透焼結法によるガーネット型酸化物固体電解質の接合. ⽇本化学会第103春季年会(2023)併催シンポジウム「全固体電池のプロセスサイエンス 第2回シンポジウム」. 2023.

その他の文献

2024
  1. 桑田 直明, 長谷川 源. 固体電解質のバルクと粒界拡散　─NMRとSIMSによる解析─. CERAMICS JAPAN. 59 [10] 671-674. 2024. Open Access
  2. 桑田 直明, 長谷川 源. 全固体電池材料における粒界拡散を定量化する新しい手法. 月刊機能材料. 44 [9] 43-48. 2024. Open Access
2023
  1. 桑田 直明, 長谷川 源. その場ラマン分光法による薄膜全固体電池の構造と イオンダイナミクスの解析. WEB Journal. 2月号 17-22. 2023.
  2. 大西 剛. 正極・負極材料. 化学. 78 24-26. 2023.