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:
Apr. 14, 2026

Filed:

Aug. 14, 2025
Applicant:

Contemporary Amperex Technology Co., Limited, Ningde, CN;

Inventors:

Chuan Li, Ningde, CN;

Zhijun Guo, Ningde, CN;

Yuyong Lei, Ningde, CN;

Han Yan, Ningde, CN;

Peng Wang, Ningde, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/375 (2021.01); H01M 50/342 (2021.01);
U.S. Cl.
CPC ...
H01M 50/375 (2021.01); H01M 50/3425 (2021.01); H01M 2200/10 (2013.01); H01M 2200/20 (2013.01);
Abstract

The present application provides a battery cell, a battery, and an electric device. The battery cell includes a housing, a pressure relief mechanism, and a protective member. The housing includes a wall portion. The pressure relief mechanism is provided at the wall portion, and can be actuated to release gas within the housing in a case where an internal pressure or temperature of the battery cell reaches a threshold value. The protective member has a melting point greater than or equal to 300° C., and the protective member covers at least part of the pressure relief mechanism in a thickness direction of the wall portion.


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