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:
Aug. 08, 2017
Filed:
Apr. 13, 2015
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Daniel M. Pierpont, North Saint Paul, MN (US);
Steven J. Hamrock, Stillwater, MN (US);
Matthew H. Frey, Cottage Grove, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2016.01); H01M 8/1004 (2016.01); H01M 8/1025 (2016.01); H01M 8/1039 (2016.01); H01M 8/1051 (2016.01); H01M 4/90 (2006.01); H01M 8/1046 (2016.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1004 (2013.01); H01M 4/9016 (2013.01); H01M 8/1025 (2013.01); H01M 8/1039 (2013.01); H01M 8/1046 (2013.01); H01M 8/1051 (2013.01); H01M 2008/1095 (2013.01); H01M 2300/0082 (2013.01); H01M 2300/0091 (2013.01); Y02E 60/521 (2013.01);
Abstract
A fuel cell membrane electrode assembly is provided comprising a polymer electrolyte membrane comprising a first polymer electrolyte and at least one manganese compound; and one or more electrode layers comprising a catalyst and at least one cerium compound. The membrane electrode assembly demonstrates an unexpected combination of durability and performance.