Patent ID: 6692543
Filing Date: 2004-02-17
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
A method for manufacturing a lithium ion secondary battery, comprising the steps of:a) preparing a positive electrode obtained by joining a positive electrode active material layer with a positive electrode current collector, a negative electrode obtained by joining a negative electrode active material layer with a negative electrode current collector, and a separator arranged between the positive electrode and the negative electrode; and b) applying an adhesive resin solution to the separator, wherein the adhesive resin is dissolved in a first solvent, and then supplying a second solvent which is different from the first solvent to the applied adhesive resin solution, and forming an electrode laminate by laminating the positive electrode and the negative electrode to the separator, wherein the second solvent is supplied by introducing the separator applied with the adhesive resin solution to a space containing vapor of the second solvent.