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:
Dec. 26, 2023
Filed:
Apr. 30, 2020
Applicants:
Audi Ag, Ingolstadt, DE;
Volkswagen Ag, Wolfsburg, DE;
Inventor:
Christian Lucas, Braunschweig, DE;
Assignees:
Volkswagen AG, Wolfsburg, DE;
Audi AG, Ingolstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/2485 (2016.01); H01M 8/04014 (2016.01); H01M 8/04089 (2016.01); H01M 8/04119 (2016.01); H01M 8/10 (2016.01);
U.S. Cl.
CPC ...
H01M 8/2485 (2013.01); H01M 8/04014 (2013.01); H01M 8/04097 (2013.01); H01M 8/04141 (2013.01); H01M 8/04171 (2013.01); H01M 2008/1095 (2013.01);
Abstract
A fuel cell stack includes a plurality of fuel cells received between two end plates, at least one end plate of which has flow channels formed therein with ports for the anode fresh gas and the anode exhaust gas as well as ports for the cathode fresh gas and the cathode exhaust gas, wherein a hygroscopic material forms the wall between the ports for the anode exhaust gas and the cathode fresh gas.