“Sequential structural evolution triggered by O-O dimerization in oxygen-redox reactions”, X. M. Shi, K. Kawai, M. Okubo, A. Yamada, Adv. Energy Mater., 2025, 2405714.
“Proton Intercalation into an Open-Tunnel Bronze Phase with Near-Zero Volume Change”, K. Kawai, S. H. Jang, Y. Igarashi, K. Yazawa, K. Gotoh, J. Kikkawa, A. Yamada, Y. Tateyama, M. Okubo, Angew. Chem. Int. Ed., 2025, 64, e202410971.
“Machine learning-assisted survey on charge storage of MXenes in aqueous electrolytes”, K. Kawai, Y. Ando, M. Okubo, Small Methods, 2025, 9, 2400062.
2024年
“Li2NbHO2: a new transition-metal oxyhydride with rock-salt-type structure”, F. Takeiri, K. Kusumoto, K. Kawai, H. Yaguchi, T. Saito, K. Mori, S. Hosokawa, M. Okubo, G. Kobayashi, ChemComm, 2024, 60, 14388-14390.
“MXene electrodes for all strain-free solid-state batteries”, K. Kawai, H. Lee, Y. Nomura, M. Fujita, H. Kitaura, E. Hosono, H. Nakajima, H. Tsukasaki, S. Mori, A. Sakuda, A. Hayashi, N. Yabuuchi, Y. M. Lee, M. Okubo, ACS Appl. Mater. Interfaces, 2024, 16, 57377-57385.
“Redox materials for electrochemical capacitors”, M. Abdollahifar, T. Brousse, G. Z. Chen, M. Chiku, O. Crosnier, B. Dunn, K. Fic, C.-C. Hu, P. Jeżowski, A. Maćkowiak, K. Naoi, N. Ogihara, N. Okita, M. Okubo, W. Sugimoto, N.-L. Wu, Electrochemistry, 2024, 92, 074002.
“Valence study of Li(Ni0.5Mn0.5)1-xCoxO2 and LiNi1-xCoxO2: The role of charge transfer and charge disproportionation”, D. Takegami, K. Kawai, M. Ferreira-Carvalho, S. Roßler, C. E. Liu, C. Y. Kuo, C. F. Chang, A. Minamida, T. Miyazaki, M. Okubo, L. H. Tjeng, T. Mizokawa, Phys. Rev. Mater., 2024, 8, 055401.
“The role of the local structural properties in the electrochemical characteristics of Na1-xFe1-yNiyO2 cathodes”, S. Baiju, P. Kaghazchi, C. Marini, B. Mortemard de Boisse, M. Okubo, A. Yamada, T. Mizokawa, N. L. Saini, L. Simonelli, Mater. Today Energy, 2024, 40, 101519.
“Reversible Oxygen-Redox Reaction for High-Capacity Positive Electrodes”, M. Okubo, Chapter 37, Interface Ionics, Springer Nature, 2024.
“Development of Prussian Blue Cathodes for Sodium-Ion Batteries”, M. Okubo, ICNaB2024, Richland, 11/12, 2024 (Invited).
“Strain-Free MXene Electrodes for All Solid-State Batteries”, M. Okubo, PRiME2024, Honolulu, 10/9, 2024 (Invited).
“Fast Proton Storage in Metal Oxide Electrodes for Aqueous Electrochemical Energy Storage”, M. Okubo, K. Kawai, PRiME2024, Honolulu, 10/9, 2024 (Invited).
“Development of sustainable aqueous batteries”, M. Okubo, Curtin U and Waseda U Collaborative Symposium, Tokyo, 10/2, 2024 (Invited).
“All strain-free solid state batteries”, M. Okubo, Japan-Kazakhstan Collaboration Workshop, Tokyo, 9/13, 2024 (Invited).
“Transition metal oxides for battery electrodes: electronic state and electrode performance”, M. Okubo, 70th year of Tanabe-Sugano diagrams, Tokyo, 9/12, 2024 (Invited).
“Anomalous Solid-State Electrochemistry with Aqueous Electrolytes”, M. Okubo, The 14th Japan-France Joint Seminar on Battery, Matsue, 9/6, 2024 (Invited).
“Iron-based catholytes for redox-flow batteries”, M. Okubo, A. Okazawa, International Symposium on the Industrial Applications of the Mössbauer Effect (ISIAME2024), Fukuoka, 9/5, 2024 (Invited).
“MXenes for all 'strain-free'solid-state batteries”, M. Okubo, 14th International Conference on Ceramic Materials and Components for Energy and Environmental Systems (CMCEE2024), Budapest, 8/21, 2024 (Invited).
“Solubility-Enhanced Iron Complex Posolytes for Redox Flow Batteries”, A. Okazawa, T. Kakuchi, K. Akahori, K. Kawai, M. Okubo, PRiME2024, Honolulu, 10/6, 2024.
“Proton Intercalation of Mo3Nb2O14 Anode for Aqueous Batteries”, K. Kawai, S. H. Jang, Y. Igarashi, K. Yazawa, K. Gotoh, J. Kikkawa, A. Yamada, Y. Tateyama, M. Okubo, PRiME2024, Honolulu, 10/8, 2024.
“Development of a high-capacity MXene electrode for all-solid-state batteries”, M. Fujita, M. Peeters, K. Kawai, Y. Nomura, M. Okubo, PRiME2024, Honolulu, 10/8, 2024.
“Effect of Highly-Coordinated Iron Complex on Redox Flow Battery Performance”, S. Kodama, A. Okazawa, K. Kawai, M. Okubo, PRiME2024, Honolulu, 10/8, 2024.
“Multi-dopant influence on the volume changes of layered-oxide cathodes for lithium-ion batteries”, T. Miyazaki, A. Minamida, K. Kawai, K. Kubota, M. Okubo, PRiME2024, Honolulu, 10/8, 2024.
“Functionalization of Anthraquinone-Based Anolytes for Aqueous Redox Flow Batteries”, M. Kawaguchi, A. Okazawa, K. Kawai, M. Okubo, PRiME2024, Honolulu, 10/8, 2024.
“Strain-free proton intercalation of Mo3Nb2O14 anode in aqueous rechargeable batteries”, K. Kawai, S.-H. Jang, J. Kikkawa, K. Yazawa, K. Gotoh, Y. Igarashi, Y. Tateyama, A. Yamada, M. Okubo, 24th International conference on solid state ionics, London, 7/18, 2024.
“MXenes for all ‘strain-free’ solid-state batteries”, K. Kawai,Y. Nomura, M. Fujita, H. Kitaura, E. Hosono, H. Nakajima, H. Tsukasaki, S. Mori, A. Hayashi, N. Yabuuchi, K. Yamamoto, M. Okubo, 24th International conference on solid state ionics, London, 7/15, 2024.
“Iron-based catholytes for aqueous redox-flow batteries”, A. Okazawa, T. Kakuchi, K. Kawai, M. Okubo, APL Mater., 2023, 11, 110901.
“High-voltage electrochemical properties of lithium-rich spinel oxides”, K. Kawai, T. Sudayama, D. Asakura, J. Kikkawa, E. Watanabe, M. Okubo, A. Yamada, J. Phys. Chem. C, 2023, 127, 12428-12434.
“High-rate decoupled water electrolysis system integrated with α-MoO3 as a redox mediator with fast anhydrous proton kinetics”, Z. Ma, X. Lu, S. Park, T. Shinagawa, M. Okubo, K. Takanabe, A. Yamada, Adv. Funct. Mater., 2023, 2214466.
“Machine learning-based comprehensive survey on lithium-rich cathode materials”, A. Tsuchimoto, M. Okubo, A. Yamada, Electrochemistry, 2023, 91, 037007.
“Investigating the Local Structure of Ti Based MXene Materials by Temperature Dependent X-Ray Absorption Spectroscopy”, W. Olszewski, C. Marini, S. Kajiyama, M. Okubo, A. Yamada, T. Mizokawa, N. L. Saini, L. Simonelli, Phys. Chem. Chem. Phys, 2023, 25, 3011-3019.
“Effect of oxygen hole in Li2MnO3 revealed by hard x-ray photoemission spectroscopy and band structure calculations”, K. Morita, M. Itoda, E. Hosono, D. Asakura, M. Okubo, Y. Takagi, A. Yasui, N. L. Saini, T. Mizokawa, J. Phys. Soc. Jpn, 2023, 92, 014702.
“Influence of surface termination groups on electrochemical charge storage of MXene electrodes”, K. Kawai, M. Fujita, R. Iizuka, A. Yamada, M. Okubo, 2D Mater., 2023, 10, 014012.
“MXenes for Solid-State Electrochemical Energy Storage”, M. Okubo, MRS fall meeting, Boston, 11/27, 2023 (Invited).
“MXene/Solid Electrolyte Interface for Charge Storage”, M. Okubo, 2023 ICGET-TW, Taipei, 10/27, 2023 (Invited).
“Development of electrode materials for aqueous batteries”, M. Okubo, 74th Annual Meeting of the International Society of Electrochemistry, Lyon, 9/7, 2023 (Invited).
“Sustainable aqueous batteries for carbon neutral society”、大久保將史、JAIST物質化学フロンティアシンポジウム、北陸先端大学、2/28、2023 (Invited).
“Peroxide Formation for Voltage Hysteresis in O2-Type Lithium-Rich Layered Oxides”, K. Kawai, X.M. Shi, N. Takenaka, J. Jang, B. Mortemard de Boisse, A. Tsuchimoto, D. Asakura, J. Kikkawa, M. Nakayama, M. Okubo, A. Yamada, 243rd ECS Meeting, Boston, 5/29, 2023.
“Iron sulfide Na2FeS2 as Positive Electrode Material with High Capacity and Reversibility Derived from Anion–Cation Redox in All-Solid-State Sodium Batteries”, A. Nasu, T. Kimura, M. Deguchi, A. Tsuchimoto, M. Okubo, A. Yamada, A. Sakuda, M. Tatsumisago, A. Hayashi, Small, 2022, 2203383.
“Anhydrous fast proton transport boosted by hydrogen bond network in a dense oxide-ion array of α-MoO3”, Z. Ma, X. M. Shi, S. Nishimura, S. Ko, M. Okubo, A. Yamada, Adv. Mater. 2022, 34, 2203335.
“Operando resonant soft X-ray emission spectroscopy of LiMn2O4 cathode using an aqueous electrolyte solution”, D. Asakura, Y. Nanba, H. Niwa, H. Kiuchi, J. Miyawaki, M. Okubo, H. Matsuda, Y. Harada,E. Hosono, Phy. Chem. Chem. Phy. 2022, 24, 19177-19183.
“Lithium-rich O2-type Li0.66[Li0.22Ru0.78]O2 positive electrode material”, H. Umeno, K. Kawai, S. Nishimura, D. Asakura, M. Okubo, A. Yamada, J. Electrochem. Soc. 2022, 169, 040536.
“Kinetic square scheme in oxygen-redox battery electrodes”, K. Kawai, X. M. Shi, N. Takenaka, J. Jang, B. Mortemard de Boisse, A. Tsuchimoto, D. Asakura, J. Kikkawa, M. Nakayama, M. Okubo, A. Yamada, Energy Environ. Sci. 2022, 15, 2591-2600.
“Relationship between electric double-layer structure of MXene electrode and its surface functional groups”, T. Shimada, N. Takenaka, Y. Ando, M. Otani, M. Okubo, A. Yamada, Chem. Mater. 2022, 34, 2069-2075.
“Oxygen redox versus oxygen evolution in aqueous electrolytes: critical influence of transition metals”, H. Umeno, K. Kawai, D. Asakura, M. Okubo, A. Yamada, Adv. Sci., 2022, 2104907.
“Square-scheme electrochemistry in battery electrodes”, M. Okubo, K. Kawai, Z. Ma, A. Yamada, Acc. Mater. Res., 2022, 3, 33-41.
“酸素レドックス反応における巨大電位ヒステリシス”、川合航右、Shi Xiang-Mei、竹中則雄、Jang Jeonguk、Mortemard de Boisse Benoit、土本晃久、朝倉大輔、吉川純、中山将伸、大久保將史、山田淳夫、第89回電気化学会、3/15, 2022.
“Anhydrous Grotthuss mechanism for fast proton transport in dense oxide-ion array of α-MoO3″、馬子涵、石香梅、西村真一、高晟齊、大久保將史、山田淳夫、第89回電気化学会、3/15, 2022.
2021年
“Soft X-Ray Emission Studies on Hydrate-Melt Electrolytes”, T. Shimada, N. Takenaka, E. Watanabe, Y. Yamada, Y. T. Cui, Y. Harada, M. Okubo, A. Yamada, J. Phys. Chem. C, 2021, 125, 11534-11539.
“Visualization of Structural Heterogeneities in Particles of Lithium Nickel Manganese Oxide Cathode Materials by Ptychographic X-ray Absorption Fine Structure”, H. Uematsu, N. Ishiguro, M. Abe, S. Takazawa, J. Kang, E. Hosono, N. Duong Nguyen, H. C. Dam, M. Okubo, Y. Takahashi, J. Phys. Chem. Lett., 2021, 12, 5781-5788.
“Waste heat harvesting: Descriptor of thermogalvanic cell”, M. Okubo, J. Phys. Soc. Jpn., 2021, 18, 07.
“Nonpolarizing oxygen-redox capacity without O-O dimerization in Na2Mn3O7”, A. Tsuchimoto, X. M. Shi, K. Kawai, B. Mortemard de Boisse, J. Kikkawa, D. Asakura, M. Okubo, A. Yamada, Nature Commun., 2021, 12, 631.
“Optimal water concentration for aqueous Li+ intercalation in vanadyl phosphate”, D. Sun, M. Okubo, A. Yamada, Chem. Sci., 2021, 12, 4450-4454.
“Designing positive electrodes with high energy density for lithium-ion batteries”, M. Okubo, S. Ko, D. Dwibedi, A. Yamada, J. Mater. Chem. A, 2021, 9, 7407-7421.
“Multiorbital bond formation for stable oxygen-redox reaction in battery electrodes”, T. Sudayama, K. Uehara, T. Mukai, D. Asakura, X.-M. Shi, A. Tsuchimoto, B. Mortemard de Boisse, T. Shimada, E. Watanabe, Y. Harada, M. Nakayama, M. Okubo, A. Yamada, Energy Environ. Sci., 2020, 13, 1492–1500.
“Coulombic self-ordering upon charging a large-capacity layered cathode material for rechargeable batteries”, B. Mortemard de Boisse, M. Reynaud, J. Ma, J. Kikkawa, S. Nishimura, M. Casas-Cabanas, C. Delmas, M. Okubo, A. Yamada, Nature Commun., 2019, 10, 2185.
“Negative dielectric constant of water confined in nanosheets”, A. Sugahara, Y. Ando, S. Kajiyama, K. Yazawa, K. Gotoh, M. Otani, M. Okubo, A. Yamada, Nature Commun., 2019, 10, 850.
“MXene as a Charge Storage Host”, M. Okubo, A. Sugahara, S. Kajiyama, A. Yamada, Acc. Chem. Res., 2018, 51, 591-599.
“Intermediate honeycomb ordering to trigger oxygen redox chemistry in layered battery electrode”, B. Mortemard de Boisse, G. Liu, J. Ma, S. Nishimura, S.-C. Chung, H. Kiuchi, Y. Harada, J. Kikkawa, Y. Kobayashi, M. Okubo, A. Yamada, Nature Commun., 2016, 7, 11397.
“Pseudocapacitance of MXene Nanosheets for High-Power Sodium-Ion Hybrid Capacitors”, X. Wang, S. Kajiyama, H. Iinuma, E. Hosono, S. Oro, I. Moriguchi, M. Okubo, A. Yamada, Nature Commun., 2015, 6, 6544.
“Bimetallic Cyanide Bridged Coordination Polymers as Lithium ion Cathode Materials: Core@Shell Nanoparticles with Enhanced Cyclability.”, D. Asakura, C. H. Li, Y. Mizuno, M. Okubo, H. S. Zhou, D. R. Talham, J. Am. Chem. Soc., 2013, 135, 2793-2799.
“Ion-induced transformation of magnetism in a bimetallic CuFe Prussian blue analgue.”, M. Okubo, D. Asakura, Y. Mizuno, T. Kudo, H. S. Zhou, A. Okazawa, N. Kojima, K. Ikedo, T. Mizokawa, I. Honma, Angew. Chem. Int. Ed., 2011, 50, 6269-6273.
“Control of charge transfer phase transition and ferromagnetism by photoisomerization of spiropyran for an organic-inorganic hybrid system, (SP)[FeIIFeIII(dto)] (SP = spiropyran, dto = C2O2S2).”, N. Kida, M. Hikita, I. Kashima, M. Okubo, M. Itoi, M. Enomoto, K. Kato, M. Takata, N. Kojima, J. Am. Chem. Soc., 2009, 131, 212-220.
“Nanosize effect on high-rate Li-ion intercalation in LiCoO2 electrode”, M. Okubo, E. Hosono, J.-D. Kim, M. Enomoto, N. Kojima, T. Kudo, H. Zhou, I. Honma, J. Am. Chem. Soc., 2007, 129, 7444-7452.