Patent ID: 8785040

Claim:
A positive electrode for a rechargeable lithium battery, comprising: a mesh-like current collector; and a positive active material layer formed on both sides of the current collector and comprising a positive active material and a binder, wherein the positive active material consists of an active material selected from the group consisting of LiCoO 2 , LiMn 2 O 4 , LiFePO 4 , and combinations thereof, and wherein the binder comprises a first binder selected from the group consisting of polyvinylidene fluoride, a polyvinylidene fluoride-hexafluoropropylene copolymer, a polyvinylidene fluoride-trifluoroethylene phosphate copolymer, and combinations thereof, and a second binder selected from the group consisting of polyvinyl acetate, polymethylmethacrylate, a polymethylmethacrylate-ethylmethacrylate copolymer, a polymethylmethacrylate-butylmethacrylate copolymer, polyethylene oxide, polyethylene glycol-grafted polymethylmethacrylate, polyvinyl chloride, a polyvinyl chloride-methylmethacrylate copolymer, and combinations thereof, wherein the positive electrode has a thickness of about 150 μm or more.