Method For Manufacturing Separator For Lithium Secondary Battery,

Method For Manufacturing Separator For Lithium Secondary Battery, Separator For Lithium Secondary Battery Manufactured Thereby, And Method For Manufacturing Lithium Secondary Battery Using Same

Abstract: A method for manufacturing a separator for a lithium secondary battery, having improved compression resistance, is provided. According to one aspect of the present invention, provided is a method for manufacturing a separator for a lithium secondary battery, the method comprising: (S11) coating at least one surface of a porous polymer substrate having a plurality of pores with a polymer solution in which a first polymer having electrolyte solubility is dissolved in a solvent, to impregnate pores of the porous polymer substrate with the polymer solution; and (S12) coating a slurry including an electrolyte-insoluble second polymer on the coated polymer solution and drying same.

Patent Information

Application #

Filing Date

12 March 2024

Publication Number

44/2024

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application

Applicants