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Oxygen-reducing catalyst layer

United States Patent

March 15, 2011
View the Complete Patent at the US Patent & Trademark Office
An oxygen-reducing catalyst layer, and a method of making the oxygen-reducing catalyst layer, where the oxygen-reducing catalyst layer includes a catalytic material film disposed on a substrate with the use of physical vapor deposition and thermal treatment. The catalytic material film includes a transition metal that is substantially free of platinum. At least one of the physical vapor deposition and the thermal treatment is performed in a processing environment comprising a nitrogen-containing gas.
O'Brien; Dennis P. (Maplewood, MN), Schmoeckel; Alison K. (Stillwater, MN), Vernstrom; George D. (Cottage Grove, MN), Atanasoski; Radoslav (Edina, MN), Wood; Thomas E. (Stillwater, MN), Yang; Ruizhi (Halifax, CA), Easton; E. Bradley (Halifax, CA), Dahn; Jeffrey R. (Hubley, CA), O'Neill; David G. (Lake Elmo, MN)
3M Innovative Properties Company (St. Paul, MN)
11/ 379,523
April 20, 2006
This invention was made with U.S. Government support under Cooperative Agreement DE-FC36-03GO13106 awarded by the Department of Energy. The U.S. Government has certain rights in this invention.