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:
Jun. 06, 2023
Filed:
Feb. 20, 2023
Shenzhen Hairun New Energy Technology Co., Ltd., Guangdong, CN;
Xiamen Hithium Energy Storage Technology Co., Ltd., Fujian, CN;
Qingqing Song, Guangdong, CN;
Long Zhang, Guangdong, CN;
Yinghui Xu, Guangdong, CN;
Junwen Zhang, Guangdong, CN;
Xin Lin, Guangdong, CN;
Daohan Cai, Guangdong, CN;
Shenzhen Hairun New Energy Technology Co., Ltd., Guangdong, CN;
Xiamen Hithium Energy Storage Technology Co., Ltd., Fujian, CN;
Abstract
A negative electrode sheet and a manufacturing method thereof and a battery are provided in the disclosure. The negative electrode sheet includes a conductive fiber cloth, a support layer, and an active material layer. The conductive fiber cloth serves as a current collector of the negative electrode sheet. The support layer is formed on a surface of the conductive fiber cloth and includes multiple protruding units, where each of the multiple protruding units includes multiple needle-shaped protrusions, and the multiple needle-shaped protrusions of each protruding unit are arranged radially. The active material layer includes multiple active portions, where each of the multiple active portions is formed on a surface of one of the multiple needle-shaped protrusions, and different active portions are formed on surfaces of different needle-shaped protrusions.