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:
Sep. 20, 2022
Filed:
Dec. 04, 2018
Applicants:
Audi Ag, Ingolstadt, DE;
Volkswagen Ag, Wolfsburg, DE;
Inventors:
Assignees:
VOLKSWAGEN AG, Wolfsburg, DE;
AUDI AG, Ingolstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04007 (2016.01); H01M 8/2465 (2016.01); H01M 8/249 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04007 (2013.01); H01M 8/249 (2013.01); H01M 8/2465 (2013.01); H01M 2250/20 (2013.01);
Abstract
A fuel cell system includes a fuel cell stack formed from a plurality of cell units, which have gas diffusion layers, wherein the gas diffusion layer of at least one of the edge cell units has a heat transfer mechanism of reduced efficiency in comparison with the gas diffusion layer of a cell unit from the middle of the fuel cell stack. A motor vehicle may include such a fuel cell system.