ADHESIVE-COATED SEPARATOR FOR LITHIUM ION BATTERY, PREPARATION METHOD THEREFOR AND USE THEREOF

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−D)/D×100%, Dis a maximum value of the thickness of the adhesive coating, Dis a minimum value of the thickness of the adhesive coating, and Dis an average value of the thickness of the adhesive coating.