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.

Date of Patent:
Sep. 17, 2024

Filed:

Sep. 22, 2021
Applicant:

GM Global Technology Operations Llc, Detroit, MI (US);

Inventors:

Xingcheng Xiao, Troy, MI (US);

Yangbing Zeng, Troy, MI (US);

Mei Cai, Bloomfield Hills, MI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/613 (2014.01); H01M 10/653 (2014.01); H01M 10/6566 (2014.01); H01M 50/119 (2021.01); H01M 10/625 (2014.01);
U.S. Cl.
CPC ...
H01M 10/613 (2015.04); H01M 10/653 (2015.04); H01M 10/6566 (2015.04); H01M 50/119 (2021.01); H01M 10/625 (2015.04);
Abstract

A thermal barrier component for an electrochemical cell according to various aspects of the present disclosure includes a functional material. The functional material includes at least one of a hydrate of a metal carbonate and a hydrate of a metal phosphate. The functional material is configured to release water vapor at a first temperature of greater than or equal to about 100° C. and decompose to release a gaseous fire retardant at a second temperature of greater than or equal to about 300° C. Another thermal barrier component according to various aspects of the present disclosure includes a hydrate and a fire retardant. The hydrate is configured to release water in an amount greater than or equal to about 1 kg at a first temperature of greater than or equal to about 100° C. The fire retardant is configured to decompose at a second temperature of greater than or equal to about 300° C.


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