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The lithium–sulfur battery is considered to be one of the most promising rechargeable energy storage systems because of its high theoretical energy density. Unfortunately, the shuttle effect during cycling causes serious loss of sulfur species and corrosion of the lithium metal anode, resulting in severe capacity decay. This work proposes to completely suppress the shuttle effect of lithium polysulfides (LiPSs) without sacrificing the interfacial Li+ transport, through in situ construction of a compact cathode electrolyte interphase (CEI), which is formed of the reaction between vinylene carbonate (VC), bis(trifluoromethane)sulfonimide ions and LiPSs in a self-limiting manner during the initial discharge process. Hence, the CEI-confined sulfur cathode in the VC-based electrolyte with a solid phase conversion mechanism delivers a long-term cycling stability and high-rate performance, as well as excellent performance under an extreme climate in a subzero temperature of −20 °C, limit ....

Cathode Electrolyte Interphase , High Rate Capability , Lithium Sulfur Batteries , Self Healing , Subzero Temperatures , Inylene Carbonate ,