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题名: The oxidation resistance of tungsten carbide as catalyst support for proton exchange membrane fuel cells
作者: Zhang Shengsheng;  Zhu Hong;  Yu Hongmei;  Hou Junbo;  Yi Baolian;  Ming Pingwen
关键词: tungsten carbide ;  carbon ;  catalyst support ;  platinum ;  fuel cell ;  oxidation resistance
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2007-02-01
卷: 28, 期:2, 页:109-111
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Electrochemical oxidation of carbon supports for Pt/C catalysts can cause degradation of proton exchange membrane fuel cells (PEMFCs). To improve the oxidation resistance of the catalyst supports, tungsten carbide (WxCy) was investigated as a substitute for carbon supports in PEMFCs. The Pt/C and Pt/WxCy samples were oxidized using the chronoamperometry method. The electrochemical active area of the two samples was measured using cyclic voltammetry. Furthermore, the Pt/C and Pt/WxCy catalysts were applied to single cells to compare their performance degradation after oxidation. As a result, the single cell prepared with Pt/WxCy catalyst showed higher oxidation resistance than the contrastive cell prepared with Pt/C catalyst.
关键词[WOS]: CARBON ;  ELECTROCATALYSTS
语种: 英语
WOS记录号: WOS:000244994000005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140744
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.Beijing Jiao Tong Univ, Sch Sci, Beijing 100044, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Zhang Shengsheng,Zhu Hong,Yu Hongmei,et al. The oxidation resistance of tungsten carbide as catalyst support for proton exchange membrane fuel cells[J]. CHINESE JOURNAL OF CATALYSIS,2007,28(2):109-111.
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