NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

The present invention relates to a non-aqueous electrolyte solution having improved high-temperature stability and high-temperature durability and a lithium secondary battery including the same. The non-aqueous electrolyte solution according to the present invention may include a lithium salt; a non-aqueous organic solvent; and a compound represented by Formula 1 of a specific structure.