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:
Apr. 07, 2020
Filed:
Jul. 21, 2016
Applicants:
Volkswagen Ag, Wolfsburg, DE;
Audi Ag, Ingolstadt, DE;
Inventor:
Hannes Scholz, Braunschweig, DE;
Assignees:
VOLKSWAGEN AG, Wolfsburg, DE;
AUDI AG, Ingolstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/38 (2006.01); H01M 8/0258 (2016.01); H01M 8/1004 (2016.01); H01M 8/1018 (2016.01); H01M 8/0232 (2016.01); H01M 8/241 (2016.01);
U.S. Cl.
CPC ...
H01M 8/0258 (2013.01); H01M 8/0232 (2013.01); H01M 8/1004 (2013.01); H01M 8/1018 (2013.01); H01M 8/241 (2013.01); H01M 2008/1095 (2013.01);
Abstract
The invention relates to a fuel cell stack (), comprising: —bipolar plates (), each having an active region (), wherein a surface of the bipolar plate is formed non-profiled at least in the active region (), —a membrane electrode assembly (), arranged between two bipolar plates (), and—a gas distribution layer () arranged between the membrane electrode assembly () and at least one of the bipolar plates (), wherein the gas distribution layer () comprises a porous flow body (). It is provided that the gas distribution layer () includes recesses () in the active region ().