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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.:

US 12592378 B1

PDFFull Text
Date of Patent:
Mar. 31, 2026

Filed:

Feb. 02, 2024

Negative electrode plate and preparation method thereof, secondary battery, battery module, battery pack, and electrical apparatus

Applicant:

Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;

Inventors:

Jiazheng Wang, Ningde, CN;

Qingwei Yan, Ningde, CN;

Liangbin Liu, Ningde, CN;

Xiaobin Dong, Ningde, CN;

Zijian Lv, Ningde, CN;

Assignee:

CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;

Attorney:

K&L Gates LLP

Primary Examiner:

Jonathan G Leong

Assistant Examiner:

Tony S Chuo

Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/133 (2010.01); H01M 4/134 (2010.01); H01M 4/139 (2010.01); H01M 4/36 (2006.01); H01M 4/48 (2010.01); H01M 4/587 (2010.01); H01M 4/62 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/134 (2013.01); H01M 4/133 (2013.01); H01M 4/139 (2013.01); H01M 4/366 (2013.01); H01M 4/483 (2013.01); H01M 4/587 (2013.01); H01M 4/622 (2013.01); H01M 4/625 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract

Provided is a negative electrode plate, comprising: a negative electrode current collector and a first negative electrode active material layer. The first negative electrode active material layer is arranged on at least one surface of the negative electrode current collector, wherein, components of the first negative electrode active material layer comprise, by mass: 30%-70% of a silicon-based material, 15%-40% of a binder and 15%-40% of a conductive agent.

Find Patent Forward Citations

Wang, Jiazheng. (2026). Negative electrode plate and preparation method thereof, secondary battery, battery module, battery pack, and electrical apparatus (U.S. Patent No. 12592378). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12592378

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