abstract |
The present invention relates to an electrolyte solution for a lithium secondary battery capable of improving the lifespan characteristics of a lithium secondary battery, and a lithium secondary battery including the same. The electrolyte for a lithium secondary battery according to an embodiment of the present invention is an electrolyte for a lithium secondary battery comprising a lithium salt, a solvent, and a negative electrode additive, wherein the negative electrode additive is Bis(4-(trifluoromethoxy)phenyl) represented by the following [Formula 1] Contains oxalates. … … … [Equation 1] |