Patent ID: 6468698
Filing Date: 2002-10-22
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
A lithium ion secondary battery comprising a positive electrode, a negative electrode, an electrolyte, and an adhesive resin layer which bonds each of said positive electrode and negative electrode to said electrolyte, whereinsaid adhesive resin layer comprises at least one compound selected from the group consisting of a poly(vinylidine fluoride) and a poly(vinyl alcohol) and contains an ionically-conducting polymer compound to secure a desired adhesive strength and ionic conduction between the positive electrode and the negative electrode; and said ionically conducting polymer compound comprises at least one compound selected from the group consisting of a poly(alkylester acrylate), a poly(alkylester methacrylate), a poly(hydroxyalkylester acrylate), a poly(hydroxyalcoxyester acrylate), a poly(hydroxyalkylester methacrylate) and a poly(hydroxyalcoxyester methacrylate).