期刊
JOURNAL OF POWER SOURCES
卷 196, 期 1, 页码 110-115出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2010.07.024
关键词
Sub-nano-Pt clusters; Graphene nanosheet; CO tolerance
资金
- New Energy and Industrial Technology Development Organization (NEDO), Japan
The carbon monoxide (CO) tolerance performance of polymer electrode fuel cells (PEFCs) was studied for a catalyst composed of graphene nanosheets (GNS) with sub-nano-Pt clusters. The Pt catalysts supported on the GNS showed a higher CO tolerance performance in the hydrogen oxidation reaction (HOR), which was significantly different from that of platinum on carbon black (Pt/CB). It is proposed that the presence of the sub-nano-Pt clusters promotes the catalytic activity and that the substrate carbon material alters the catalytic properties of Pt via the interface interactions between the graphene and the Pt. (c) 2010 Elsevier B.V. All rights reserved.
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