Platinum and Palladium Alloys Suitable as Fuel Cell Electrodes

Publication: ResearchPatent – Annual report year: 2011

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The present invention concerns electrode catalysts used in fuel cells, such as proton exchange membrane (PEM) fuel cells. The invention is related to the reduction of the noble metal content and the improvement of the catalytic efficiency by low level substitution of the noble metal to provide new and innovative catalyst compositions in fuel cell electrodes. The novel electrode catalysts of the invention comprise a noble metal selected from Pt, Pd and mixtures thereof alloyed with a further element selected from Sc, Y and La as well as any mixtures thereof, wherein said alloy is supported on a conductive support material.
Original languageEnglish
IPCH01M4/86
Patent numberWO 2011006511
Date20/01/2011
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
StatePublished - 2011
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