abstract |
The present invention on the surface -C-F; And a porous resin comprising at least one polar functional group selected from the group consisting of -C-OOH and -C=O, and the molar ratio of -C-OOH and -C=O to -CF among the polar functional groups is 0.2 It relates to a separator for a lithium secondary battery of :0.8 to 0.8:0.2 and a method of manufacturing the same. |