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:
Mar. 11, 2025
Filed:
Dec. 29, 2020
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Ningsheng Wu, Ningde, CN;
Chengyou Xing, Ningde, CN;
Peng Wang, Ningde, CN;
Chengdu Liang, Ningde, CN;
Quankun Li, Ningde, CN;
Wenlong Kang, Ningde, CN;
Lingyan Jiang, Ningde, CN;
Weigan Xie, Ningde, CN;
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Abstract
Embodiments of the present disclosure provides a battery cell, a battery, an electrical device and a device for preparing a battery cell. The battery cell includes a housing being hollow and including an opening, and an end cover assembly includes an end cover and an insulator. The end cover is configured to be connected to the opening of the housing and at least the part of the end cover is inserted into the housing. A part of the end cover inserted into the housing includes an end surface and a first side surface. The end surface is substantially perpendicular to an insertion direction of the end cover. The first side surface is distributed along a periphery of the end surface and is opposite to an inner wall surface of the housing.