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:
Apr. 04, 2023
Filed:
Oct. 30, 2020
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Yue-Yun Wang, Troy, MI (US);
Chaitanya Sankavaram, Rochester Hills, MI (US);
Garrett M Seeman, Novi, MI (US);
Azeem Sarwar, Rochester Hills, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); G01R 31/3835 (2019.01); G01R 31/392 (2019.01);
U.S. Cl.
CPC ...
H02J 7/005 (2020.01); G01R 31/3835 (2019.01); G01R 31/392 (2019.01); H02J 7/007 (2013.01); H02J 7/0013 (2013.01);
Abstract
A method is disclosed for determining the state of health of an electric battery that includes a plurality of battery cells. The method includes the steps of measuring the cell voltage of each individual cell of the plurality of battery cells, and analyzing each measured battery cell voltage to determine the state of health of the corresponding battery cell.