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:
Dec. 06, 2022
Filed:
Dec. 11, 2020
Zhuhai Cosmx Battery Co., Ltd., Zhuhai, CN;
Baohai Zhang, Zhuhai, CN;
Chong Peng, Zhuhai, CN;
Wei He, Zhuhai, CN;
Chao Shi, Zhuhai, CN;
Junyi Li, Zhuhai, CN;
Yanming Xu, Zhuhai, CN;
Abstract
The present disclosure provides a negative electrode sheet, a preparation method thereof and a lithium ion battery containing the same. The negative electrode sheet includes a negative electrode current collector, where the negative electrode current collector includes a single-sided coating area and a double-sided coating area; in the double-sided coating area, second coating layers are disposed on both side surfaces of the negative electrode current collector, respectively, wherein each of the second coating layers includes a first negative electrode active material layer and a second negative electrode active material layer, the second negative electrode active material layer is disposed on a surface of the negative electrode current collector, and the first negative electrode active material layer is disposed on a surface of the second negative electrode active material layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile