Electrolyte Solution Additive for Secondary Battery, and Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Which Include the Same

An electrolyte solution additive for a secondary battery, a non-aqueous electrolyte solution, and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte solution additive is represented by Formula 1: In Formula 1, R is an unsubstituted or substituted alkyl group having 1 to 5 carbon atoms.