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:
May. 05, 2026
Filed:
Mar. 10, 2022
Btr New Material Group Co., Ltd., Shenzhen, CN;
Dingyuan New Energy Technology Co., Ltd., Huizhou, CN;
Wei Xie, Shenzhen, CN;
Chunlei Pang, Shenzhen, CN;
Zhiqiang Deng, Shenzhen, CN;
Jianguo Ren, Shenzhen, CN;
Xueqin He, Shenzhen, CN;
BTR NEW MATERIAL GROUP CO., LTD., Shenzhen, CN;
DINGYUAN NEW ENERGY TECHNOLOGY CO., LTD., Huizhou, CN;
Abstract
The present application relates to a silicon-oxygen composite anode material and the preparation method thereof, and a lithium-ion battery. Wherein the silicon-oxygen composite anode material comprises a silicon-oxygen material and a composite coating layer coating the surface of the silicon-oxygen material. The composite coating layer comprises a carbon material and a lithium-containing compound, the carbon material has pores, and the lithium-containing compound is filled in the pores. The silicon-oxygen composite anode material and the preparation method thereof are simple and low cost, which is also easy to conduct industrial production, moreover, the prepared silicon-oxygen composite anode material has excellent electrochemical cycle and expansion inhibition performance, which can prolong the life-span of a lithium ion battery.