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. 10, 2023
Filed:
Aug. 03, 2021
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Yue-Yun Wang, Troy, MI (US);
Jian Gao, Auburn Hills, MI (US);
Jeremie Dernotte, Shelby Township, MI (US);
Scott E. Parrish, Farmington Hills, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/48 (2006.01); H01M 10/42 (2006.01); B60L 58/26 (2019.01);
U.S. Cl.
CPC ...
H01M 10/482 (2013.01); B60L 58/26 (2019.02); H01M 10/425 (2013.01); H01M 10/486 (2013.01); H01M 2010/4278 (2013.01);
Abstract
A method for detecting thermal runaway of a cell includes: positioning a battery pack having multiple cells in an automobile vehicle; measuring a cell voltage of the multiple cells at a predetermined sample rate; and identifying if the cell voltage decreases and modulates coincident with a cell surface temperature increase indicating initiation of a cell short.