NON-AQUEOUS ELECTROLYTE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

The present technology relates to a non-aqueous electrolyte solution for a lithium secondary battery. The non-aqueous electrolyte solution includes: a lithium salt; an organic solvent; and an additive, and the additive includes vinylene carbonate, vinyl ethylene carbonate, and a compound represented by a following chemical formula 1: [0002] Herein, each of R1 to R3 is is each independently hydrogen or an alkyl group having 1 to 3 carbon atoms.