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. 11, 2015
Filed:
Nov. 10, 2010
Applicants:
Yunsong Yang, Surrey, CA;
Jing LI, Surrey, CA;
Keping Wang, Richmond, CA;
Inventors:
Assignees:
Daimler AG, Stuttgart, DE;
Ford Motor Company, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 71/82 (2006.01); C08J 5/22 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
B01D 71/82 (2013.01); C08J 5/22 (2013.01); H01M 8/1018 (2013.01); H01M 8/1067 (2013.01); H01M 8/1081 (2013.01); C08J 2327/18 (2013.01); H01M 2008/1095 (2013.01); H01M 2300/0082 (2013.01); Y02E 60/521 (2013.01);
Abstract
A small molecule or polymer additive can be used in preparation of a membrane electrode assembly to improve its durability and performance under low relative humidity in a fuel cell. Specifically, a method of forming a membrane electrode assembly comprising a proton exchange membrane, comprises providing an additive comprising at least two nitrogen atoms to the membrane electrode assembly.