| 摘要 |
PURPOSE: Provided is a lithium ion battery which includes high molecule electrolyte wherein a first electrolyte layer with excellent mechanical strength and ion conductivity and a second electrolyte layer with excellent surface stability with lithium metals are formed so that it improves mechanical and surface stability of high molecule electrolyte. CONSTITUTION: The lithium ion battery is characterized by including high molecule electrolyte wherein the first electrolyte layer(4) is formed by mixing one molecule selected from polyacrylonitrile, polymethylmetacrylate, polyvinylchloride, polyvinylidenefluoride, polyester, polyamide, polyethylene, polypropylene, its compound and its copolymers with electrolyte wherein lithium salt is dissolved at 1:2-10 ratio; and the second electrolyte layer(8) is formed by mixing one molecule selected from polyacrylonitrile, polymethylmethacrylate, polyvinylidenefluoride, polyethylene oxide, polypropylene oxide, their compound and their copolymer with electrolyte wherein lithium salt is dissolved at 1:2-10 ratio. |
