NON-AQUEOUS ELECTROLYTE SOLUTION ADDITIVE, AND NON-AQUEOUS ELECTROLTYE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY WHICH INCLUDE THE SAME

A non-aqueous electrolyte solution additive, a non-aqueous electrolyte solution for a lithium secondary battery including the same, and a lithium secondary battery including the non-aqueous electrolyte solution are disclosed herein. In some embodiments, the non-aqueous electrolyte solution additive includes a Lewis base compound capable of rapidly reacting with an acid. In some embodiments, the lithium secondary battery including the non-aqueous electrolyte solution has improved high-temperature storage durability.