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Fuel cell electrolyte membrane with basic polymer

United States Patent

November 23, 2010
View the Complete Patent at the US Patent & Trademark Office
The present invention is an electrolyte membrane comprising an acid and a basic polymer, where the acid is a low-volatile acid that is fluorinated and is either oligomeric or non-polymeric, and where the basic polymer is protonated by the acid and is stable to hydrolysis.
Larson; James M. (Saint Paul, MN), Pham; Phat T. (Little Canada, MN), Frey; Matthew H. (Cottage Grove, MN), Hamrock; Steven J. (Stillwater, MN), Haugen; Gregory M. (Edina, MN), Lamanna; William M. (Stillwater, MN)
3M Innovative Properties Company (St. Paul, MN)
11/ 230,091
September 19, 2005
This invention was made with U.S. Government support under Cooperative Agreement DE-FC36-02AL67621 awarded by the Department of Energy. The U.S. Government has certain rights in this invention.