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. 07, 2022
Filed:
Apr. 13, 2018
Applicant:
Ballard Power Systems Inc., Burnaby, CA;
Inventors:
Rajesh Bashyam, Richmond, CA;
Alan Young, Surrey, CA;
Assignee:
BALLARD POWER SYSTEMS INC., Burnaby, CA;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/92 (2006.01); H01M 4/86 (2006.01); H01M 4/88 (2006.01); H01M 8/1004 (2016.01); H01M 8/1023 (2016.01); H01M 8/1039 (2016.01); H01M 8/1044 (2016.01); H01M 8/10 (2016.01);
U.S. Cl.
CPC ...
H01M 4/8668 (2013.01); H01M 4/8657 (2013.01); H01M 4/881 (2013.01); H01M 4/8828 (2013.01); H01M 4/926 (2013.01); H01M 8/1004 (2013.01); H01M 8/1023 (2013.01); H01M 8/1039 (2013.01); H01M 8/1044 (2013.01); H01M 2008/1095 (2013.01);
Abstract
A membrane electrode assembly comprises an anode electrode comprising an anode catalyst layer; a cathode electrode comprising a cathode catalyst layer; and a polymer electrolyte membrane interposed between the anode electrode and the cathode electrode; wherein at least one of the anode and cathode catalyst layers comprises a block co-polymer comprising poly(ethylene oxide) and poly(propylene oxide).