LITHIUM SECONDARY BATTERY

摘要

The present invention provides a lithium secondary battery comprising: (i) an anode active material containing the lithium metal phosphate of chemical formula 1: Li1+aM(PO4-b)Xb(1), wherein M is one or more selected from the group consisting of metals of groups 2-12, X is one or more selected from among F, S, and N, -0.5≤a≤+0.5, and 0≤b≤0.1; (ii) a cathode active material containing amorphous carbon; and (iii) an electrolyte for a lithium secondary battery, the electrolyte containing a lithium salt and an ether-based solvent, wherein the electrolyte for a lithium secondary battery contains 1-60 wt% of propylene carbonate (PC) on the basis of the total weight of the electrolyte.