Metallized conducting polymer-grafted carbon material and method for making
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United States of America Patent
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Mar 27, 2007
Grant Date -
Jul 29, 2004
app pub date -
Sep 2, 2003
filing date -
May 23, 2002
priority date (Note) -
Expired
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Abstract
A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode assemblies, and fuel cells. A method for preparing the composition comprises oxidatively polymerizing a monomer of a conducting polymer containing hetero atoms in the presence of a carbonaceous material wherein the oxidative polymerization takes place in the presence of a metal-containing oxidizing agent. The method grafts the conducting polymer to the carbonaceous material while essentially simultaneously metallizing the composition.
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