ELECTROLYTE FOR LITHIUM-SULFUR BATTERY, AND LITHIUM-SULFUR BATTERY INCLUDING THE SAME

The present invention relates to an electrolyte for a lithium-sulfur battery and a lithium-sulfur battery comprising the same, more particularly to an electrolyte for a lithium-sulfur battery comprising a lithium salt, a non-aqueous organic solvent, and an additive, wherein the additive comprises an alkyl vinyl ether compound. The electrolyte for the lithium-sulfur battery of the present invention improves the efficiency and stability of the negative electrode, thereby improving the capacity and lifetime characteristics of the lithium-sulfur battery.