▎ 摘　　要

NOVELTY - The separator has a polymer matrix film. A composite layer is distributed on one side surface of the polymer matrix film. The composite layer comprises SCM molecular sieve and conductive carbon material. The SCM molecular sieve is selected from SCM-14 and SCM-15. The material used for the polymer matrix film is polyethylene, polypropylene, polyimide, polyacrylonitrile, polyethylene terephthalate, polytetrafluoroethylene, and polyvinylidene fluoride , preferably polyethylene or polypropylene. The conductive carbon material is graphene oxide, reduced graphene oxide, carbon nanotubes, carbon nanofibers, acetylene black, Super P, Ketjen black. USE - Separator for lithium-sulfur battery (claimed). ADVANTAGE - The separator has improved cycle performance, power performance and storage life and reduces secondary reaction in the battery, and self-discharge rate of the battery. The battery has high theoretical specific capacity and theoretical energy density, and high specific energy secondary battery capacity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing separator for lithium sulfur battery. DESCRIPTION OF DRAWING(S) - The drawing shows the schematic diagram of a charge-discharge curve of the 3-day self-discharge test of the lithium-sulfur battery. (Drawing includes non-English Language text)