Patent ID: 8110305

Claim:
A rechargeable lithium battery comprising: a negative electrode comprising a carbon-based material and a lithium-vanadium oxide according to the following Formula 1, which is capable of intercalating and deintercalating lithium ions; a positive electrode comprising a positive active material capable of intercalating and deintercalating lithium ions; and an electrolyte comprising a monomer comprising an alkylene oxide and a reactive double bond, a lithium salt, and a non-aqueous organic solvent, wherein the monomer is present in an amount of about 0.01 to 5 wt %, based on the total weight of the electrolyte, Li x M y V z O 2 +d , Formula 1: wherein 0.1≦x≦2.5, 0≦y≦0.5, 0.5≦z≦1.5, 0≦d≦0.5, and M is at least one metal selected from the group consisting of Al, Cr, Mo, Ti, W, and Zr, and wherein the monomer is represented by the following Formula 2: wherein R 1 , R 3 , and R 5 are each independently hydrogen or an alkyl, R 2 is an alkyl, R 4 is an alkoxy, and n is an integer ranging from 1≦n≦10.