SEPARATOR FOR LITHIUM ION SECONDARY BATTERY AND METHOD FOR THE SAME

摘要

Disclosed are a separator for a lithium ion secondary battery and a manufacturing method thereof. The method for manufacturing a lithium ion secondary battery according to one embodiment of the present invention includes the steps of: preparing a block copolymer; introducing a functional group on the block copolymer; and forming a pore on the block copolymer to which the functional group is introduced.