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题名: Proton exchange membrane fuel cells with chromium nitride nanocrystals as electrocatalysts
作者: Zhong, Hexiang;  Chen, Xiaobo;  Zhang, Huamin;  Wang, Meiri;  Mao, Samuel S.
刊名: APPLIED PHYSICS LETTERS
发表日期: 2007-10-15
DOI: 10.1063/1.2800288
卷: 91, 期:16
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Applied
研究领域[WOS]: Physics
英文摘要: Polymer electrolyte membrane fuel cells (PEMFCs) are energy conversion devices that produce electricity from a supply of fuel, such as hydrogen. One of the major challenges in achieving efficient energy conversion is the development of cost- effective materials that can act as electrocatalysts for PEMFCs. In this letter, we demonstrate that, instead of conventional noble metals, such as platinum, chromium nitride nanocrystals of fcc structure exhibit attractive catalytic activity for PEMFCs. Device testing indicates good stability of nitride nanocrystals in low temperature fuel cell operational environment. (C) 2007 American Institute of Physics.
关键词[WOS]: OXYGEN REDUCTION REACTION ;  TUNGSTEN CARBIDE ;  CATALYSTS ;  NANOPARTICLES ;  ELECTRODES ;  DEPOSITION ;  BEHAVIOR
语种: 英语
WOS记录号: WOS:000250295700068
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140520
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Key Mat Lab PEMFC, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

Recommended Citation:
Zhong, Hexiang,Chen, Xiaobo,Zhang, Huamin,et al. Proton exchange membrane fuel cells with chromium nitride nanocrystals as electrocatalysts[J]. APPLIED PHYSICS LETTERS,2007,91(16).
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