Carbon supported catalyst having reduced water retention
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United States of America Patent
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Issued Date -
Mar 30, 2006
app pub date -
Mar 30, 2005
filing date -
Sep 24, 2004
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Abstract
Compositions are disclosed for carbon supported catalysts with high metal loadings, high electrochemically active surface area, and good water management properties. In one aspect, the invention is directed to a carbon supported catalyst comprising a carbonaceous substrate and a dispersed metal, wherein the carbonaceous substrate has an electron microscopy surface area to nitrogen surface area ratio of at least 0.5 and a nitrogen surface area of at least 100 m.sup.2/g.
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