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Method of making metal-polymer composite catalysts

United States Patent

June 23, 2009
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
A metal-polymer-carbon composite catalyst for use as a cathode electrocatalyst in fuel cells. The catalyst includes a heteroatomic polymer; a transition metal linked to the heteroatomic polymer by one of nitrogen, sulfur, and phosphorus, and a recast ionomer dispersed throughout the heteroatomic polymer-carbon composite. The method includes forming a heteroatomic polymer-carbon composite and loading the transition metal onto the composite. The invention also provides a method of making a membrane electrode assembly for a fuel cell that includes the metal-polymer-carbon composite catalyst.
Zelenay; Piotr (Los Alamos, NM), Bashyam; Rajesh (Los Alamos, NM)
Los Alamos National Security, LLC (Los Alamos, NM)
11/ 542,539
October 2, 2006
STATEMENT REGARDING FEDERAL RIGHTS This invention was made with government support under Contract No. DE-AC 52-06 NA 25396, awarded by the U.S. Department of Energy. The government has certain rights in the invention.