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:
Nov. 21, 2023
Filed:
Jan. 31, 2019
Byd Company Limited, Shenzhen, CN;
Lina Jin, Shenzhen, CN;
Bowen Xuan, Shenzhen, CN;
Xiaodong Cao, Shenzhen, CN;
Jinxiang Wu, Shenzhen, CN;
Jun Shan, Shenzhen, CN;
Gang Hu, Shenzhen, CN;
Long He, Shenzhen, CN;
BYD COMPANY LIMITED, Shenzhen, CN;
Abstract
The present disclosure provides a polymer separator and preparation method thereof, and a lithium-ion battery including the polymer separator and preparation method thereof. The polymer separator includes a porous substrate, a hydrophilic blocking layer, and a porous polar polymer bonding layer. The hydrophilic blocking layer is disposed between the porous substrate and the porous polar polymer bonding layer. Pore walls in the porous polar polymer bonding layer are provided with node structures.