| 主权项 |
1. A rechargeable lithium battery comprising:
a positive electrode comprising a positive active material for intercalating and deintercalating lithium ions; a negative electrode comprising a negative active material for intercalating and deintercalating lithium ions; and a polymer electrolyte comprising a polymer, a non-aqueous organic solvent and a lithium salt, wherein the rechargeable lithium battery has a battery capacity per unit area of the positive electrode of 3.15 mAh/cm2, and the polymer comprises a polymerization product of a first monomer represented by the following Chemical Formula 1 and a second monomer represented by at least one of the following Chemical Formulae 2 to 7, wherein the first monomer is included in an amount not greater than 68 percent and not less than 64 percent based on the total weight of the first monomer and the second monomer:
A-U—B Chemical Formula 1 wherein, U is a moiety of polyesterpolyol, and A and B are identical or different, and are each selected from the group consisting of CH2═CR—C(═O)—, CH2═CR—O—CH2—, CH2═CR—, CH2═CR—O—C(═O)—, CH2═CR—CH2—, CH2═CR—CH2—O—, CH2═CH—S(═O)2— and CH2═CR—C(═O)—O—CH2CH2—NH—C(═O)—, where R is H, a C1 to C10 hydrocarbon or a C6 to C10 aromatic hydrocarbon,
CH2=CL1-C(═O)—O-M Chemical Formula 2CH2═CL1-O-M Chemical Formula 3CH2═CL1-O—C(═O)-M Chemical Formula 4CH2═CH—CH2—O-M Chemical Formula 5CH2═CH—S(═O)2-M Chemical Formula 6CH2=CL1-C(═O)—O—CH2CH2—NH—C(═O)—O-M Chemical Formula 7 wherein in the above Chemical Formulae 2 to 7, L1 is H, a C1 to C10 hydrocarbon or a C6 to C10 aromatic hydrocarbon, and M is a C1 to C20 hydrocarbon, a C1 to C20 halogenated hydrocarbon, a C6 to C20 aromatic hydrocarbon or a C6 to C20 halogenated aromatic hydrocarbon. |
