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:
Apr. 10, 2018
Filed:
Dec. 07, 2016
Applicant:
National Research Council of Canada, Ottawa, CA;
Inventor:
Asmae Mokrini, Montréal, CA;
Assignee:
National Research Council of Canada, Ottawa, Ontario, unknown;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2016.01); C08J 5/22 (2006.01); H01M 8/1039 (2016.01); H01M 8/1069 (2016.01); H01M 8/1025 (2016.01); H01M 8/1032 (2016.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1039 (2013.01); C08J 5/2237 (2013.01); H01M 8/1025 (2013.01); H01M 8/1032 (2013.01); H01M 8/1083 (2013.01); C08J 2327/12 (2013.01); H01M 2008/1095 (2013.01);
Abstract
Disclosed is an ion exchange membrane comprising a film of a perfluorosulfonic acid ionomer in its acid form; the film having a low in-plane swelling, such that the length and/or width of the film changes by less than 10% when the membrane is exposed to water. Further disclosed is an electrochemical device, such as a polymer electrolyte membrane fuel cell, comprising an electrolyte comprising the ion exchange membrane.