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:
Feb. 10, 2026
Filed:
Jan. 16, 2023
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Xinxiang Chen, Ningde, CN;
Yulian Zheng, Ningde, CN;
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Abstract
Examples of the present application relate to a battery cell, a manufacturing method and a manufacturing system thereof, a battery, and a powered device. The battery cell includes: a shell, where the shell has a wall portion; an electrode assembly accommodated in the shell; and a pressure relief mechanism. The pressure relief mechanism is provided on the wall portion, the pressure relief mechanism includes a weak portion, a body portion, and a connecting portion. The weak portion is configured to be damaged when pressure inside the shell reaches a threshold so as to relieve the pressure. The body portion is located in a region defined by the weak portion. The connecting portion is located on an outer side of the weak portion and configured to connect the wall portion.