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:
Sep. 29, 2026

Filed:

Mar. 31, 2023
Applicant:

Ford Global Technologies, Llc, Dearborn, MI (US);

Inventors:

Zeng Qiu, Ann Arbor, MI (US);

Mostafa-Ali Ayubirad, Burlington, VT (US);

Hao Wang, Ann Arbor, MI (US);

Majed Ben-Kalefa, Canton, MI (US);

Rajit Johri, San Francisco, CA (US);

William Frederick Sanderson, Jr., Commerce Township, MI (US);

Assignee:

FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04858 (2016.01); H01M 8/04492 (2016.01); H01M 8/04537 (2016.01); H01M 8/04828 (2016.01);
U.S. Cl.
CPC ...
H01M 8/0491 (2013.01); H01M 8/04529 (2013.01); H01M 8/04589 (2013.01); H01M 8/0485 (2013.01); H01M 2250/20 (2013.01);
Abstract

A system includes a fuel cell stack (FCS) and a controller. The controller is configured to, in response to a stack current request corresponding to a stack current of the FCS which would cause a membrane hydration level of the FCS to be outside of a desired hydration range, adjust the stack current request to correspond to an adjusted stack current of the FCS which causes the membrane hydration level to be maintained within the desired hydration range.


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