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A High-Performance Mo2C-ZrO2 Anode Catalyst for Intermediate-Temperature Fuel Cells
http://hdl.handle.net/2237/18429
2c73c7e8-7275-4ac5-9c9f-1a3515eac1d6
名前 / ファイル | ライセンス | アクション | |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-08-28 | |||||
タイトル | ||||||
タイトル | A High-Performance Mo2C-ZrO2 Anode Catalyst for Intermediate-Temperature Fuel Cells | |||||
著者 |
Heo, Pilwon
× Heo, Pilwon× Nagao, Masahiro× Sano, Mitsuru× Hibino, Takashi |
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権利 | ||||||
権利情報 | © The Electrochemical Society, Inc. 2006. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in Journal of The Electrochemical Society. v.154, n.1, 2007, p.B53-B56. | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | molybdenum compounds | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | zirconium compounds | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | carbon | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | tin compounds | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | indium compounds | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | catalysts | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | anodes | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | solid electrolytes | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | proton exchange membrane fuel cells | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | oxidation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | transmission electron microscopy | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | X-ray diffraction | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | catalysis | |||||
抄録 | ||||||
内容記述 | Anode performance of non-Pt catalysts for hydrogen oxidation was investigated in intermediate-temperature proton exchange membrane fuel cells. Molybdenum carbide (Mo2C) showed the highest catalytic activity among the transition metal carbides tested. Furthermore, the catalytic activity of Mo2C was significantly improved by the addition of ZrO2 to the anode. Transmission electron microscopy and X-ray diffraction measurements revealed that Mo2C was more highly dispersed in the Mo2C-ZrO2/C than in the Mo2C/C , suggesting that the particle growth of Mo2C was suppressed by the addition of ZrO2 . We also tested the performance of a fuel cell using Mo2C-ZrO2/C and Sn0.9In0.1P2O7 as the anode and electrolyte materials, respectively, between 150 and 300°C . At 250°C or higher, the Mo2C-ZrO2/C anode showed a cell performance comparable to that of the Pt/C anode. However, cell performance was strongly dependent on the operating temperature, reflecting that the catalytic activity of Mo2C-ZrO2 was greatly lowered by the decrease in operating temperature. Thus it was concluded that the Mo2C-ZrO2 catalyst is a promising alternative anode material to Pt, especially at intermediate temperatures. | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
出版者 | The Electrochemical Society | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0013-4651 | |||||
書誌情報 |
Journal of The Electrochemical Society 巻 154, 号 1, p. B53-B56, 発行日 2007 |
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著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://dx.doi.org/10.1149/1.2382268 | |||||
識別子タイプ | DOI | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/18429 | |||||
識別子タイプ | HDL |