| abstract |
The present invention relates to an electrolyte solution for a lithium secondary battery and a lithium secondary battery containing the electrolyte solution, and discloses such an electrolyte solution for a lithium secondary battery capable of increasing the life of the lithium secondary battery and a lithium secondary battery including the electrolyte solution. secondary battery. Also provided is an electrolyte solution for a lithium secondary battery including a lithium salt, a solvent, and a negative electrode additive. The negative electrode additive preferably contains bis(4-(trifluoromethoxy)phenyl)oxalate represented by the following formula 1 [Formula 1] |