PLATINUM AND PALLADIUM ALLOYS SUITABLE AS FUEL CELL ELECTRODES
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United States of America Patent
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Oct 15, 2015
app pub date -
Nov 21, 2013
filing date -
Nov 21, 2012
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Abstract
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 and Pd alloyed with an alkaline earth metal.
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