公开(公告)号：EP3996192A1

公开(公告)日：2022-05-11

申请号：EP20834638.7

申请日：2020-07-03

Applicant: BYD Company Limited

Inventor： PAN, Yi ,  BAI, Li ,  PAN, Zeng ,  ZHU, Yan ,  ZHANG, Meng

IPC: H01M50/409

Abstract: An adhesive-coated separator for a lithium-ion battery, a preparation method thereof, and use thereof are disclosed. The adhesive-coated separator for a lithium-ion battery of the present disclosure includes a base membrane and an adhesive coating formed on a surface of the base membrane, the thickness deviation percentage of the adhesive coating is less than or equal to 10%, the thickness deviation percentage = (D max - D min )/D ave × 100%, D max is a maximum value of the thickness of the adhesive coating, D min is a minimum value of the thickness of the adhesive coating, and D ave is an average value of the thickness of the adhesive coating.