Cathode alloy electrocatalysts
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United States of America Patent
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Jan 7, 1992
Issued Date -
N/A
app pub date -
Sep 26, 1985
filing date -
Jun 7, 1984
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Expired
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Abstract
Ternary alloy electrocatalysts comprising platinum and at least two less noble elements are described. The ternary alloy electrocatalysts when employed in the cathode of a fuel cell utilizing a phosphoric acid electrolyte provide improved oxygen activity and stability in comparison to unalloyed platinum. The cost of the electrocatalysts is also reduced in comparison to an unalloyed platinum electrocatalyst.
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