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:
Sep. 08, 2026
Filed:
Mar. 11, 2025
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Liangbin Liu, Ningde, CN;
Jiazheng Wang, Ningde, CN;
Shengkun Xie, Ningde, CN;
Guangjin Wu, Ningde, CN;
Zijian Lv, Ningde, CN;
Yingwei Su, Ningde, CN;
Shuai Xie, Ningde, CN;
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Abstract
A battery cell includes an electrode assembly and a housing. The electrode assembly includes a negative electrode plate, where the negative electrode plate includes a negative electrode current collector and a negative electrode film layer disposed on at least one side of the negative electrode current collector and containing a negative electrode active material. The housing accommodates the electrode assembly, and the housing includes a side wall, where the side wall surrounds the electrode assembly. The negative electrode active material includes element silicon, and the housing is a cylindrical structure.