Secondary battery, manufacturing method for secondary battery, and manufacturing apparatus for secondary battery
OwnerYasuo Kurimoto, Ryoichi Furuichiinventors
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Abstract
A secondary battery apparatus according to this invention includes mechanisms for delivering a positive electrode sheet and a negative electrode sheet, a first coating mechanism and a second coating mechanism for applying electrolyte-containing solutions to both surfaces of the positive electrode sheet and negative electrode sheet, respectively, a first heating mechanism and a second heating mechanism for fixing an electrolyte applied to the positive electrode sheet and negative electrode sheet, and a winding mechanism for winding, into a predetermined form, the positive electrode sheet and negative electrode sheet with the electrolyte fixed thereto.
Claims20
A secondary battery characterized by being formed by continuously applying an electrolyte- and insulator-containing solution to both surfaces of each of a positive electrode sheet and a negative electrode sheet, heating the electrolyte- and insulator-containing solution applied to the positive electrode sheet and the negative electrode sheet to fix an electrolyte and insulator, and thereafter laminating and winding, into a predetermined form, the positive electrode sheet with said electrolyte and insulator fixed thereto and the negative electrode sheet with the electrolyte and insulator fixed thereto.
A secondary battery manufacturing method characterized by comprising a step of delivering a positive electrode sheet, a first coating step for continuously applying an electrolyte- and insulator-containing solution to both surfaces of the positive electrode sheet, a first heating step for heating the electrolyte- and insulator-containing solution applied to both surfaces of the positive electrode sheet to fix an electrolyte and insulator thereto, a step of delivering a negative electrode sheet, a second coating step for continuously applying an electrolyte- and insulator-containing solution to both surfaces of the negative electrode sheet, a second heating step for heating the electrolyte- and insulator-containing solution applied to both surfaces of the negative electrode sheet to fix an electrolyte and insulator thereto, and a winding step for laminating and winding, into a predetermined form, the positive electrode sheet with the electrolyte and insulator fixed thereto and the negative electrode sheet with the electrolyte and insulator fixed thereto.
A secondary battery manufacturing apparatus characterized by comprising a positive electrode sheet delivery mechanism, a first coating mechanism for continuously applying an electrolyte- and insulator-containing solution to both surfaces of the positive electrode sheet, a first heating mechanism for heating the electrolyte- and insulator-containing solution applied to both surfaces of the positive electrode sheet to fix an electrolyte and insulator thereto, a negative electrode sheet delivery mechanism, a second coating mechanism for continuously applying an electrolyte- and insulator-containing solution to both surfaces of the negative electrode sheet, a second heating mechanism for heating the electrolyte- and insulator-containing solution applied to both surfaces of the negative electrode sheet to fix an electrolyte and insulator thereto, and a winding mechanism for laminating and winding, into a predetermined form, the positive electrode sheet with the electrolyte and insulator fixed thereto and the negative electrode sheet with the electrolyte and insulator fixed thereto.
Dependencies are inferred from the claim text.