ELECTROLYTE FOR LITHIUM-SULFUR BATTERY AND LITHIUM-SULFUR BATTERY COMPRISING SAME

The present invention relates to an electrolyte solution for a lithium-sulfur battery containing a lithium salt, an organic solvent, and an additive, wherein the additive includes a heterocyclic compound containing one or more double bonds, the hetero atom contained in the ring of the heterocyclic compound is an oxygen atom or a sulfur atom, and the organic solvent is selected from the group consisting of a linear ether-based solvent, a cyclic ether-based solvent, and combinations thereof.