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Method of improving fuel cell performance by removing at least one metal oxide contaminant from a fuel cell electrode

United States Patent

August 18, 2009
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
A method of removing contaminants from a fuel cell catalyst electrode. The method includes providing a getter electrode and a fuel cell catalyst electrode having at least one contaminant to a bath and applying a voltage sufficient to drive the contaminant from the fuel cell catalyst electrode to the getter electrode. Methods of removing contaminants from a membrane electrode assembly of a fuel cell and of improving performance of a fuel cell are also provided.
Kim; Yu Seung (Los Alamos, NM), Choi; Jong-Ho (Los Alamos, NM), Zelenay; Piotr (Los Alamos, NM)
Los Alamos National Security, LLC (Los Alamos, NM)
11/ 493,259
July 26, 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.