| 摘要 |
The present invention is to provide a non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery using the same, which use a specific lithium salt, and control the concentration thereof so as to improve the C-rate property of the battery and the stability of the electrolyte. The present invention relates to a non-aqueous electrolyte for a lithium secondary battery, which includes a non-aqueous organic solvent; an additive; and a lithium fluoro sulfonyl imide (LiFSI), wherein the mole concentration of the lithium sulfonyl imide (LiFSI) is 1.5-2.5 M. |
