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:
Apr. 21, 2026
Filed:
Sep. 08, 2022
Negative electrode plate, secondary battery, battery module, battery pack and power consuming device
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Dongyang Shi, Ningde City, CN;
Ning Chen, Ningde City, CN;
Shuangshuang Liu, Ningde City, CN;
Sitong Liu, Ningde City, CN;
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Abstract
A negative electrode plate includes a current collector and a coating applied to at least one surface of the current collector, the coating comprising a negative electrode active material and a metal powder, wherein the electrode potential of the metal powder in the coating relative to lithium may be between 1.6 and 3.5 V, the negative electrode active material may be a silicon-based material, and relative to the total weight of the silicon-based material and the metal powder, the proportion by weight of the metal powder may be 5 to 20% and the proportion by weight of the silicon-based material may be 80 to 95%.