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.

Date of Patent:
Feb. 16, 2021

Filed:

Aug. 23, 2018
Applicants:

Audi Ag, Ingolstadt, DE;

Volkswagen Ag, Wolfsburg, DE;

Inventors:

Julie Bellerive, Burnaby, CA;

Tommy Cheng, Burnaby, CA;

Andrew Desouza, Burnaby, CA;

Assignees:

VOLKSWAGEN AG, Wolfsburg, DE;

AUDI AG, Ingolstadt, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2016.01); H01M 8/04828 (2016.01); H01M 8/04858 (2016.01); H01M 8/04119 (2016.01); H01M 8/04492 (2016.01); H01M 8/04111 (2016.01); H01M 8/04537 (2016.01); H01M 8/04746 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04835 (2013.01); H01M 8/0488 (2013.01); H01M 8/04111 (2013.01); H01M 8/04119 (2013.01); H01M 8/04126 (2013.01); H01M 8/04507 (2013.01); H01M 8/04552 (2013.01); H01M 8/04753 (2013.01); H01M 8/04761 (2013.01); H01M 8/04865 (2013.01); H01M 2250/20 (2013.01);
Abstract

The disclosure relates to a method for operating a fuel cell that comprises at least one individual cell with a membrane and catalysts, wherein humidity within the fuel cell is actively influenced as a function of a voltage of the fuel cell, and the method further includes specifying an initial humidity at an initial operating-point-related voltage, and specifying a second humidity that is lower than the first humidity at a second operating-point-related voltage that is higher than the first operating-point-related voltage. Furthermore, the disclosure relates to a fuel cell system that is configured to perform the method according to the disclosure.


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