The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 15, 2011
Filed:
Apr. 20, 2006
Dennis P. O'brien, Maplewood, MN (US);
Alison K. Schmoeckel, Stillwater, MN (US);
George D. Vernstrom, Cottage Grove, MN (US);
Radoslav Atanasoski, Edina, MN (US);
Thomas E. Wood, Stillwater, MN (US);
Ruizhi Yang, Halifax, CA;
E. Bradley Easton, Halifax, CA;
Jeffrey R. Dahn, Hubley, CA;
David G. O'neill, Lake Elmo, MN (US);
Dennis P. O'Brien, Maplewood, MN (US);
Alison K. Schmoeckel, Stillwater, MN (US);
George D. Vernstrom, Cottage Grove, MN (US);
Radoslav Atanasoski, Edina, MN (US);
Thomas E. Wood, Stillwater, MN (US);
Ruizhi Yang, Halifax, CA;
E. Bradley Easton, Halifax, CA;
Jeffrey R. Dahn, Hubley, CA;
David G. O'Neill, Lake Elmo, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
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.