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. 29, 2020
Filed:
Oct. 08, 2015
Applicant:
Audi Ag, Ingolstadt, DE;
Inventors:
Christian Martin Zillich, Braunschweig, DE;
Friedhelm Walkling, Braunschweig, DE;
Assignee:
Audi AG, Ingolstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/0276 (2016.01); H01M 8/0284 (2016.01); H01M 8/0258 (2016.01);
U.S. Cl.
CPC ...
H01M 8/0276 (2013.01); H01M 8/0258 (2013.01); H01M 8/0284 (2013.01);
Abstract
The invention relates to a fuel cell () having a stack comprising a bipolar plate () which has a flow field () formed by a profiled section of the bipolar plate (), and an elongated sealing element () which at least partially surrounds the flow field (), and a membrane electrode assembly (). It is provided that, inside a cavity () formed between the membrane electrode assembly () and the bipolar plate () in a region between the sealing element () and the flow field (), a filling agent () is arranged which extends in the extension direction of the cavity ().