Patent ID: 7410729
Filing Date: 2008-08-12
Classification: H01M,Y02E

Abstract:
1. A non-aqueous electrolyte cell comprising: a positive electrode; a negative electrode; and a polymer electrolyte, wherein: the polymer electrolyte is formed from a prepolymer electrolyte having a prepolymer wherein the prepolymer is polymerized, the prepolymer electrolyte further comprising a non-aqueous solvent and an electrolyte salt; the prepolymer includes a polyester-based monomer; and the prepolymer electrolyte further includes a vinylene carbonate derivative and cyclic acid anhydride, said cyclic acid anhydride is a component separate from the polyester-based monomer; wherein the polyester-based monomer is at least one selected from the group consisting of the following formulas 1,2,3,3′,3″ and 4; R:H, R1:CH R2:H,A2:C