論文 - 千坂 光陽
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Vanadium doping to increase the production batch size of Carbon-Free Ti4O7: A new strategy for its mass production
Mitsuharu Chisaka*, Waka Nagano, Sota Takahashi, Byambasuren Delgertsetseg, Hidenobu Wakita and Tatsuya Takeguchi*
Journal of Electroanalytical Chemistry 934 ( 1 ) 117308-1 - 117308-10 2023年04月
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Enhancement of Oxygen Reduction Reactivity on TiN by Tuning the Work Function via Metal Doping
Mitsuharu Chisaka*, Toshiyuki Abe, Rong Xiang, Shigeo Maruyama, Hirofumi Daiguji
Physical Chemistry Chemical Physics 24 ( 48 ) 29328 - 29332 2022年12月
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Photoelectrochemical and Photocatalytic Studies by Applying an Organic P-N Bilayer for the Selective Oxidation of Ammonia to Dinitrogen
Kentaro Fujine, Masato Nakamura, Hidenobu Shiroishi, Mitsuharu Chisaka and Toshiyuki Abe*
Journal of Electroanalytical Chemistry 908 116091-1 - 116091-8 2022年03月
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Twofold Effects of Zirconium Doping into TiN on Durability and Oxygen Reduction Reactivity in an Acidic Environment
Mitsuharu Chisaka*, Rong Xiang, Shigeo Maruyama, Hirofumi Daiguji
Energy & Fuels 36 ( 1 ) 539 - 547 2022年01月
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Inexpensive gram scale synthesis of porous Ti<sub>4</sub>O<sub>7</sub> for high performance polymer electrolyte fuel cell electrodes.
Chisaka M, Nagano W, Delgertsetseg B, Takeguchi T
Chemical communications (Cambridge, England) 57 ( 95 ) 12772 - 12775 2021年11月
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Enhanced Photoanodic Activity and Outermost Surface Crystallinity of Tungsten Oxide via High-temperature Sintering
Toshiyuki Abe, Hideya Tsuchikado, Mitsuharu Chisaka, Takashi Itoh, Guoqing Guan & Abuliti Abudula
Electrocatalysis 15 ( 1 ) 120 - 127 2024年01月
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Simple method of determining the ion transport parameters of binary liquid electrolytes
Jun Okagaki, Wei-Lun Hsu, Mitsuharu Chisaka, Eunjoo Yoo, Hirofumi Matsuda and Hirofumi Daiguji*
Journal of Electroanalytical Chemistry 929 ( 1 ) 117105-1 - 117105-10 2023年01月
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Efficient Phosphorus Doping into the Surface Oxide Layers on TiN to Enhance Oxygen Reduction Reaction Activity in Acidic Media
Mitsuharu Chisaka*, Rong Xiang, Shigeo Maruyama, Hirofumi Daiguji
ACS Applied Energy Materials 3 ( 10 ) 9866 - 9876 2020年09月
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Phosphor and Nitrogen Co-doped Rutile TiO2 Covered on TiN for Oxygen Reduction Reaction in Acidic Media
Mitsuharu Chisaka* and Hiroyuki Morioka
Catalysis Science & Technology 9 ( 3 ) 611 - 619 2019年02月
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Creation of Oxygen Reduction Reaction Active Sites on Titanium Oxynitride Without Increasing the Nitrogen Doping Level
Mitsuharu Chisaka*
Physical Chemistry Chemical Physics 20 ( 23 ) 15613 - 15617 2018年06月
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Active Site Formation for Oxygen Reduction Reaction on Carbon-Support-Free Titanium Oxynitride with Boosted Activity in Acidic Media
Mitsuharu Chisaka*, Yusuke Yamamoto, Noriaki Itagaki and Yuhei Hattori
ACS Applied Energy Materials 1 ( 1 ) 211 - 219 2018年01月
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Zirconium Oxynitride-Catalyzed Oxygen Reduction Reaction at Polymer Electrolyte Fuel Cell Cathodes
Mitsuharu Chisaka*, Akimitsu Ishihara, Hiroyuki Morioka, Takaaki Nagai, Shihong Yin, Yoshiro Ohgi, Koichi Matsuzawa, Shigenori Mitsushima, and Ken-ichiro Ota
ACS Omega 2 ( 2 ) 678 - 684 2017年02月
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A Carbon-Support-Free Titanium Oxynitride Catalyst for Proton Exchange Membrane Fuel Cell Cathodes
Mitsuharu Chisaka*, Yuta Ando, Yusuke Yamamoto and Noriaki Itagaki
Electrochimica Acta 214 ( 1 ) 165 - 172 2016年10月
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Evaluation and Enhancement of the Oxygen Reduction Reaction Activity on Hafnium Oxide Nanoparticles Assisted by L(+)-lysine
Mitsuharu Chisaka* and Noriaki Itagaki
Electrochimica Acta 201 ( 1 ) 279 - 285 2016年05月
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Activity and Durability of the Oxygen Reduction Reaction in a Nitrogen-Doped Rutile-Shell on TiN-Core Nanocatalysts Synthesised via Solution-Phase Combustion
Mitsuharu Chisaka*, Yuta Ando and Noriaki Itagaki
Journal of Materials Chemistry A 4 ( 7 ) 2501 - 2508 2016年02月
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Facile Combustion Synthesis of Carbon-Supported Titanium Oxynitride to Catalyse Oxygen Reduction Reaction in Acidic Media
Mitsuharu Chisaka*, Yuta Ando, and Hirokazu Muramoto
Electrochimica Acta 183 ( 1 ) 100 - 106 2015年11月
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Ti-Nb酸化物系触媒のPEFC用脱白金カソードへの適用
田村 柚子＊, 石原 顕光, 千坂 光陽, 河野 雄次, 松澤 幸一, 光島 重徳, 太田 健一郎
燃料電池 15 ( 2 ) 79 - 86 2015年10月
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Titanium-Niobium Oxides as Non-Noble Metal Cathodes for Polymer Electrolyte Fuel Cells
Akimitsu Ishihara*, Yuko Tamura, Mitsuharu Chisaka, Yoshiro Ohgi, Yuji Kohno, Koichi Matsuzawa, Shigenori Mitsushima, and Ken-ichiro Ota
Catalysts 5 ( 3 ) 1289 - 1303 2015年07月
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Nano-TaOxNy Particles Synthesized from Oxy-tantalum Phthalocyanine: How to Prepare Precursors to Enhance the Oxygen Reduction Reaction Activity after Ammonia Pyrolysis
Mitsuharu Chisaka*, Akimitsu Ishihara*, Naoki Uehara, Masashi Matsumoto, Hideto Imai, and Ken-ichiro Ota
Journal of Materials Chemistry A 3 ( 32 ) 16414 - 16418 2015年06月
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Synthesis of Nano-TaOx Oxygen Reduction Reaction Catalysts on Multi-Walled Carbon Nanotubes Connected via a Decomposition of Oxy-tantalum Phthalocyanine
Akimitsu Ishihara*, Mitsuharu Chisaka*, Yoshiro Ohgi, Koichi Matsuzawa, Shigenori Mitsushima, and Ken-ichiro Ota
Physical Chemistry Chemical Physics 17 ( 12 ) 7643 - 7647 2015年02月