Electrolyte For Lithium Sulfur Battery And Lithium Sulfur Battery Comprising Same

Abstract: The present invention relates to an electrolyte for a lithium-sulfur battery and a lithium-sulfur battery comprising same, characterized in that the electrolyte for the lithium-sulfur battery comprises a lithium salt and a non-aqueous solvent, wherein the non-aqueous solvent comprises a glycol ether, a cyclic ether, and an acyclic ether represented by chemical formula 1 below, wherein the acyclic ether is included in an amount of 15% or less by volume on the basis of the total volume of the non-aqueous solvent, and the ratio of the total volume of the glycol ether to the total volume of the acyclic ether is at least 5. [Chemical formula 1] R1-O-R2, wherein in chemical formula 1, R1 is an unsubstituted or substituted alkyl group of C1 to C3, and R2 is an unsubstituted or substituted alkyl group of C3 to C20.

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