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Cleaning (de-poisining) PEMFC electrodes from strongly adsorbed species on the catalyst surface

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
A method for cleaning the electrochemical catalyst of fuel cell electrodes that is performed by applying a power pulse, using a low-power supply, across the fuel cell electrodes. The power pulse removes chemisorbed chemical species from the electrochemical catalyst of the electrodes.
Uribe, Francisco A. (Los Alamos, NM), Rockward, Tommy Q.T. (Rio Rancho, NM)
The Regents of the University of California
11/ 328,898
January 9, 2006
STATEMENT REGARDING FEDERAL RIGHTS [0002] This invention was made with government support under Contract No. W-7450-ENG-36 awarded by the U.S. Department of Energy. The government has certain rights in the invention.