Platinum-copper fuel cell catalyst
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United States of America Patent
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Apr 20, 2010
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app pub date -
Aug 18, 2004
filing date -
Aug 18, 2003
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Abstract
The present invention is directed to a composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum and copper, wherein the concentration of platinum is greater than 50 atomic percent and less than about 80 atomic percent, and further wherein the composition has a particle size which is less than 35 angstroms. The present invention is further directed to various methods for preparing such a composition.
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