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. 01, 2024
Filed:
Jan. 13, 2022
GM Global Technology Operations Llc, Detroit, MI (US);
Xiaofeng Yang, Troy, MI (US);
Jian Gao, Auburn Hills, MI (US);
Scott E Parrish, Farmington Hills, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
Systems and methods for responding to in a battery. A battery cell for a battery system includes a core of a known battery type, and a cell film having an initial thickness, the cell film configured as a pouch enclosing the core. The battery cell has at least one engraved groove in the cell film, the at least one engraved groove characterized by a groove thickness that is less than the initial thickness. The groove thickness configured to break open responsive to a predetermined gas pressure or target temperature in the pouch.