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

The present invention relates to an electrolyte solution for a lithium-sulfur battery comprising a lithium salt, an organic solvent and an additive, and a lithium-sulfur battery comprising the same, wherein the additive comprises a heterocyclic compound containing at least one double bond, and the heterocycle comprises an oxygen atom or a sulfur atom.