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. 16, 2025
Filed:
Oct. 22, 2021
Applicant:
Audi Ag, Ingolstadt, DE;
Inventor:
Berthold Reeb, Ellwangen-Hochgreut, DE;
Assignee:
AUDI AG, Ingolstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/1086 (2016.01); H01M 8/10 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1093 (2013.01); H01M 8/109 (2013.01); H01M 2008/1095 (2013.01);
Abstract
A method for production and processing of a framed proton-conducting membrane for a fuel cell, comprises: providing of the proton-conducting membrane and a frame comprising at least two media ports inserting the membrane into a recess of the frame, processing of at least one surface of the frame such that a first region exists with an increased force of adhesion for a joining by means of gluing, and at least one second region exists with a lesser force of adhesion than the increased force of adhesion.