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. 07, 2025
Filed:
Jul. 29, 2022
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/449 (2021.01); C07F 9/576 (2006.01); H01M 50/403 (2021.01); H01M 50/417 (2021.01); H01M 50/491 (2021.01);
U.S. Cl.
CPC ...
H01M 50/449 (2021.01); C07F 9/576 (2013.01); H01M 50/403 (2021.01); H01M 50/417 (2021.01); H01M 50/491 (2021.01);
Abstract
A separator for an electrochemical cell that cycles lithium ions includes a microporous layer and one or more fire suppression layers disposed on at least one of a first side or an opposite second side of the microporous layer. The one or more fire suppression layers include a ceramic material having interconnected open pores and a cyclophosphazene disposed within the interconnected open pores of the ceramic material.