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:
Oct. 21, 2025
Filed:
Jun. 13, 2023
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Rasoul Salehi, Ann Arbor, MI (US);
Steven Earl Muldoon, Royal Oak, MI (US);
Yue-Yun Wang, Troy, MI (US);
Wen-Chiao Lin, Rochester Hills, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/392 (2019.01); G01R 31/389 (2019.01); G01R 31/396 (2019.01); H01M 10/48 (2006.01); B60R 16/033 (2006.01);
U.S. Cl.
CPC ...
G01R 31/392 (2019.01); G01R 31/389 (2019.01); G01R 31/396 (2019.01); H01M 10/482 (2013.01); B60R 16/033 (2013.01); H01M 2220/20 (2013.01);
Abstract
Techniques are provided for battery imbalance diagnosis and mitigation. In one embodiment, the techniques involve isolating, via a first isolation unit, a first battery cell from a plurality of battery cells, determining, via a complex impedance measurement unit, a state of health of the first battery cell, and controlling, via a controller, the first battery cell based on the state of health of the first battery cell.