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:
Nov. 04, 2025
Filed:
Dec. 01, 2022
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Michelle H. Wiebenga, Farmington Hills, MI (US);
Lei Wang, Rochester Hills, MI (US);
Rasoul Salehi, Ann Arbor, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/48 (2006.01); G01N 33/00 (2006.01); G01R 31/396 (2019.01); H01M 10/42 (2006.01); H01M 50/317 (2021.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H01M 10/48 (2013.01); G01N 33/004 (2013.01); G01R 31/396 (2019.01); H01M 10/425 (2013.01); H01M 50/317 (2021.01); H02J 7/0048 (2020.01); H02J 7/00719 (2020.01);
Abstract
A battery monitoring system includes a carbon dioxide sensing system configured to selectively measure carbon dioxide concentrations within a plurality of battery cells, respectively, that are connected in parallel. A controller is configured to detect cathode overpotential in the plurality of battery cells in response to the measured carbon dioxide concentrations of the plurality of battery cells.