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:
Jun. 24, 2014
Filed:
Apr. 07, 2011
Applicants:
Jing LI, Surrey, CA;
Keping Wang, Richmond, CA;
Yunsong Yang, Surrey, CA;
Scott Mcdermid, Vancouver, CA;
Sumit Kundu, Burnaby, CA;
Inventors:
Jing Li, Surrey, CA;
Keping Wang, Richmond, CA;
Yunsong Yang, Surrey, CA;
Scott McDermid, Vancouver, CA;
Sumit Kundu, Burnaby, CA;
Assignees:
Daimler AG, Stuttgart, DE;
Ford Motor Company, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Ligand additives having two or more coordination sites in close proximity can be used in the polymer electrolyte of membrane electrode assemblies in solid polymer electrolyte fuel cells in order to reduce the dissolution of catalyst, particularly from the cathode, and hence reduce fuel cell degradation over time.