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:
Oct. 24, 2023
Filed:
Jan. 11, 2022
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Nagappan Ramaswamy, Rochester Hills, MI (US);
Roland J. Koestner, Rochester Hills, MI (US);
Swaminatha P. Kumaraguru, Rochester Hills, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/86 (2006.01); H01M 4/88 (2006.01);
U.S. Cl.
CPC ...
H01M 4/8657 (2013.01); H01M 4/8663 (2013.01); H01M 4/8828 (2013.01); H01M 4/8885 (2013.01); H01M 2004/8689 (2013.01);
Abstract
A cathode configured for use within a fuel cell system is provided. The cathode includes a cathode substrate. The cathode further includes a coating disposed upon the cathode substrate and including a fluorocarbon polymer additive configured for sintering at a temperature of less than 200° C. The fluorocarbon polymer additive may be mixed with a catalyst ink coating or may be applied separately as a topcoat layer.