SEPARATOR FILM FOR A LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

摘要

The present invention relates to a separator film for a lithium secondary battery, to a method for preparing same, and to a lithium secondary battery comprising same, and more particularly, to a separator film for a lithium secondary battery, comprising the compound expressed in chemical formula 1. The separator film and the lithium secondary battery comprising same according to the present invention have superior stability, cycle properties, etc.