Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
ISSN-L : 1344-3542
Communications
Long-term MEA Performances for Reformate Type PEFCs with Anode Catalysts Using Organic Metal Complexes
Tatsuhiro OKADAJinli QIAOToshiki KAHARAChisato ONO
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2007 Volume 75 Issue 2 Pages 169-171

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Abstract

New CO tolerant anode catalysts for reformate type polymer electrolyte fuel cells are proposed that are superior to state-of-the-art Pt-Ru metal alloy catalysts. Composite catalysts based on platinum and organic metal complexes were fabricated by a new procedure where platinum precursor, metal complex and carbon black powder were mixed and then heat-treated in Ar atmosphere at 400°C. Catalysts were evaluated in the anode half cell or single fuel cell at 70°C with H2 containing various levels of CO. Compared with commercial Pt-Ru/C catalysts, new anode catalysts proved to be very promising both in initial and long term performances.

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© 2007 The Electrochemical Society of Japan
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