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.

Date of Patent:
Sep. 02, 2025

Filed:

Oct. 21, 2022
Applicants:

Btr New Material Group Co., Ltd., Guangdong, CN;

Dingyuan New Energy Technology Co., Ltd., Guangdong, CN;

Inventors:

Zhiqiang Deng, Guangdong, CN;

Chunlei Pang, Guangdong, CN;

Jianguo Ren, Guangdong, CN;

Youyuan Huang, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); H01M 4/62 (2006.01); H01M 4/02 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); H01M 4/622 (2013.01); H01M 4/625 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 10/0525 (2013.01);
Abstract

A silicon-based anode material, a preparation method therefor and a use thereof in a lithium-ion battery. The silicon-based anode material comprises a silicon-based active material and a composite layer that coats the surface of the silicon-based active material, wherein the composite layer comprises a flexible polymer, flake graphite and a conductive material. The preparation method according to the present application is simple, low cost, easy to be industrialized. The prepared silicon-based anode material has excellent electrochemical cycle performance and expansion inhibition and allows prolonged service life of lithium ion batteries.


Find Patent Forward Citations

Loading…