Abstract: A method for manufacturing a storage device disclosed herein includes an arranging step of arranging an adhesion layer slurry on a surface of a separator, a forming step of removing a solvent and a dispersion medium from the adhesion layer slurry to form an adhesion layer, and a stacking step of stacking a positive electrode, the separator, and a negative electrode. In the stacking step, the separator including the adhesion layer arranged in a shape of a plurality of dots on a surface thereof is used, and each of the dots of the adhesion layer includes an adhesion layer non-formed region in a central portion thereof when viewed from top.

Abstract: A method for manufacturing a storage device disclosed herein includes a winding step of winding a positive electrode and a negative electrode with a separator interposed therebetween to manufacture a wound body, and a pressing step of pressing the wound body to form the wound body into a flat wound electrode body. In the winding step, a separator including an adhesion layer arranged in a shape of a plurality of dots is used. Each of the dots of the adhesion layer includes an adhesion layer non-formed region in a central portion thereof when viewed from top. In the pressing step, an area of the adhesion layer non-formed region when viewed from top is reduced to ½ or less.

Abstract: Provided is a technology obtaining an electricity storage device including a wound electrode body with high productivity. A method of manufacturing an electricity storage device of one embodiment disclosed herein includes: a winding step of winding a positive electrode and a negative electrode with a separator interposed therebetween to produce a wound body; and after the winding step, a pressing step of pressing the wound body to form each of wound electrode bodies having a flat shape, wherein the separator partially having an adhesive layer on at least one surface thereof is used in the winding step, the adhesive layer includes a first adhesive region and a second adhesive region, and the thickness of the first adhesive region is 1.5 times or more the thickness of the second adhesive region. The manufacturing method further includes a formation step before the winding step.

Abstract: Provided is a technology to obtain an electricity storage device including a wound electrode body with high productivity. A method disclosed herein includes: a winding step to produce a wound body; and a pressing step of pressing the wound body to form a wound electrode body having a flat shape after the winding step. A separator used in the winding step has a first and a second adhesive layers on one surface of the separator. In the winding step, the first adhesive layer and a first electrode adhere to each other, and the second adhesive layer and the first electrode adhere to each other with a force weaker than an adhesive force between the first adhesive layer and the first electrode. In the pressing step, the second adhesive layer and the first electrode adhere to each other more strongly than in a state prior to the pressing step.

Abstract: Provided is a technology that can obtain an electricity storage device including a wound electrode body with high productivity. In an aspect of the electricity storage device disclosed herein, a separator has a first adhesive layer and a second adhesive layer on at least one surface of the separator. In plan view of the separator, the first adhesive layer is partially formed, and the second adhesive layer is partially formed. The first adhesive layer is composed of an adhesive layer that exhibits adhesiveness to the positive electrode by contacting the positive electrode facing the first adhesive layer at ordinary temperature. The second adhesive layer is composed of an adhesive layer that has no adhesiveness to the positive electrode when the first adhesive layer adheres to the facing positive electrode, and thereafter exhibits adhesiveness to the positive electrode when some physical means is applied.

Abstract: Provided is a technology which can produce a battery comprising a wound electrode assembly including separators having adhesive layers, with high productivity. In one suitable aspect of the method of manufacturing a battery as disclosed herein, the method comprises a first winding step of bringing a first separator and a second separator into contact with a winding core and winding the first separator and the second separator around the winding core; a second adhesive layer forming step of forming a second adhesive layer in the second separator; a first adhesive layer forming step of forming a first adhesive layer in the first separator; a second winding step of winding a positive electrode sheet and an negative electrode sheet around the winding core along with the first separator and the second separator; and a pressing step of pressing, after the second winding step, the first separator, the positive electrode sheet, the second separator, and the negative electrode sheet which have been wound.

Abstract: Provided is a technology which can produce a battery comprising a wound electrode assembly including adhesive layers, with high productivity. The method of manufacturing a battery as disclosed herein comprises a first formation step of forming a first adhesive layer on a surface of a first separator; a second formation step of forming a second adhesive layer on a surface of a positive electrode sheet; and a lamination step of laminating the first separator, the positive electrode sheet, a second separator, and an negative electrode sheet.

Abstract: The present disclosure provides a method for manufacturing includes: an adhesive layer formation step of forming a first adhesive layer on a surface of at least one of a positive electrode sheet and a first separator and forming a second adhesive layer on a surface of at least one of the positive electrode sheet and a second separator; and a wound electrode body fabrication step of fabricating a wound electrode body by winding the first separator, the positive electrode sheet, second separator, and the negative electrode sheet.

Abstract: A battery disclosed herein includes an electrode body including a positive electrode including a positive electrode active material layer, a negative electrode, and a separator. The separator includes an adhesive layer on a surface that faces the positive electrode. The adhesive layer includes a first formation region provided so as to face the positive electrode active material layer, and a second formation region provided so as to protrude outward, in an up-down direction or a long side direction of the battery, relative to one end part of the positive electrode active material layer. The first formation region has smaller weight per area than the second formation region.

Abstract: A battery disclosed here includes a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, a separator, and a wound electrode body in which the positive electrode and the negative electrode are wound with the separator interposed therebetween. The separator includes an adhesive layer on at least one surface of the separator. The adhesive layer has a different weight per area in a longitudinal direction of the separator.

Abstract: A battery disclosed herein includes a wound electrode body in which a positive electrode and a negative electrode are wound through a separator. The separator includes the adhesive layer on at least one surface, and on the one surface, a non-formation region where the adhesive layer is not formed is provided in at least one end part in a winding axis direction.

Abstract: The present invention relates to a conductive composition containing a conductive metal powder and a resin component, in which the conductive metal powder contains at least a metal flake having a crystalline structure in which a metal crystal grows in a flake shape, and the resin component contains an aromatic amine skeleton.

Abstract: The present invention relates to a conductive adhesive for screen printing containing metal colloid particles (A) containing metal nanoparticles (A1) and a protective colloid (A2) containing an organic compound having a carboxyl group and a polymer dispersant having a carboxyl group, a viscosity modifier (B) having an amide bond and/or a urea bond, and a dispersion solvent (C).

Abstract: The present invention relates to a conductive composition containing a conductive metal powder and an epoxy resin component in which the conductive metal powder contains a metal flake and the epoxy resin component contains a polyfunctional epoxy resin having three or more epoxy groups.

Abstract: The present invention relates to a conductive composition containing a conductive metal powder and a resin component, in which the conductive metal powder contains at least a metal flake having a crystalline structure in which a metal crystal grows in a flake shape, and the resin component contains an aromatic amine skeleton.

Abstract: The present invention relates to a conductive adhesive for screen printing containing metal colloid particles (A) containing metal nanoparticles (A1) and a protective colloid (A2) containing an organic compound having a carboxyl group and a polymer dispersant having a carboxyl group, a viscosity modifier (B) having an amide bond and/or a urea bond, and a dispersion solvent (C).

Abstract: The present invention relates to a conductive composition containing a conductive metal powder and a resin component in which the conductive metal powder contains a metal flake and a metal nanoparticle and the resin component contains an aromatic amine skeleton.

Abstract: The present invention relates to a conductive composition containing a conductive metal powder and an epoxy resin component in which the conductive metal powder contains a metal flake and the epoxy resin component contains a polyfunctional epoxy resin having three or more epoxy groups.