Abstract: Lithium sulfur battery with its high theoretical specific capacity and specific energy has provoke intensive attention, and becomes one of the research hotspots. As one of the essential ingredients for lithium-sulfur batteries, separator is the crucial factor for the performance promotion. At present, the research of modifying separator mainly focus on the design and synthesis of high performance coating materials as well as the exploitation of new separator materials. The present paper elaborates the latest research progress of modifying separator for lithium-sulfur batteries is introduced from five aspects: carbon coating separator, element-doped carbon coating separator, metal oxide/carbon composite coating separator, new membrane materials and multilayer separator. It also suggests the significance of separator modification for raising conductivity, inhibiting shuttle effect and mitigating corrosion of lit-hium electrode,and moreover, for improving the electrochemical properties of Li-S cells.
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2018, Vol. 32 
