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. 13, 2019
Filed:
Mar. 02, 2017
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Roland J. Koestner, Webster, NY (US);
Swaminatha P. Kumaraguru, Rochester Hills, MI (US);
Irina A. Kozhinova, Penfield, NY (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/92 (2006.01); H01M 4/86 (2006.01); H01M 8/1004 (2016.01); H01M 4/88 (2006.01); H01M 8/1039 (2016.01); H01M 8/1041 (2016.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
H01M 4/8668 (2013.01); H01M 4/8605 (2013.01); H01M 4/8803 (2013.01); H01M 4/8807 (2013.01); H01M 4/921 (2013.01); H01M 4/925 (2013.01); H01M 8/1004 (2013.01); H01M 8/1039 (2013.01); H01M 8/1041 (2013.01); H01M 2008/1095 (2013.01);
Abstract
An electrode ink composition that forms a fuel cell catalyst layer with reduced mudcracking is provided. The ink composition includes a solvent, a platinum group metal-containing catalyst composition dispersed in the solvent, a primary polymer dispersed within the solvent, the primary polymer being an ionomer, and a secondary polymer dispersed within the solvent, the secondary polymer interacting with the primary polymer via a non-covalent interaction.