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:
Dec. 19, 2023
Filed:
Feb. 26, 2021
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Rahul Mital, Rochester Hills, MI (US);
Bryan D. Axe, Farmington Hills, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/30 (2021.01); H01M 50/358 (2021.01); H01M 50/367 (2021.01); H01M 50/383 (2021.01); H01M 50/392 (2021.01);
U.S. Cl.
CPC ...
H01M 50/394 (2021.01); H01M 50/358 (2021.01); H01M 50/367 (2021.01); H01M 50/392 (2021.01); H01M 50/383 (2021.01);
Abstract
A battery outgassing filter system is provided. The system includes a battery cell, an external casing encapsulating the battery cell and including a casing vent, and an outgassing filter disposed upon the casing vent and including a filter element including a first filter element portion operable to contain a first size of particulate matter and a second filter element portion operable to contain a second size of particulate matter relatively smaller than the first size of particulate matter.