Abstract: Provided is a non-aqueous electrolyte secondary, rile non-aqueous electrolyte secondary battery according to one mode of the present disclosure comprises an electrode body in Which a band-form positive electrode and a band-forth negative electrode are wound with a separator interposed therebetween, an electrolytic liquid, and an exterior body that accommodates the electrode body and the electrolytic liquid. The negative electrode has a negative electrode current collector, and a negative electrode mixture layer that is formed on the surface of the negative electrode current collector and that contains a negative electrode active material and an electroconductive agent.

Abstract: Disclosed are a corrugated plate having a smooth top surface and drawbeads, and a storage container. The corrugated plate includes a corrugated plate body, a longitudinal corrugation, a transverse corrugation, and an intersection portion. The intersection portion includes a smooth top surface and four drawbeads extending from the top surface to the corrugated plate body. The top surface transitions to the drawbeads smoothly. An overall extension direction of each of the drawbeads intersects a transverse direction, a longitudinal direction, and a height direction perpendicular to the corrugated plate body.

Abstract: A method for manufacturing a negative electrode plate of a rechargeable battery is provided. The method includes kneading a negative electrode active material and a negative electrode additive to form a negative electrode mixture paste; applying the negative electrode mixture paste to a negative electrode current collector; and drying the negative electrode mixture paste. The blackness of a material prepared by kneading the negative electrode active material and the negative electrode additive is set in a range of 4 to 16. The viscosity of a negative electrode thickener contained in the negative electrode additive is set in a range of 13000 mPa·s to 21000 mPa·s when a shear rate is 0.01 s?1.

Abstract: A negative electrode for nonaqueous electrolyte secondary batteries with a negative electrode collector and a negative electrode active material layer thereon, with respect to the negative electrode active layer, first active material layers (X) and second active material layers (Y) are alternately arranged on the negative electrode collector, the first and second active material layers containing, as a negative electrode active material, graphite particles A and graphite particles B, while being different from each other in the content of the graphite particles A relative to the total mass of the graphite particles A and the graphite particles B. The internal void fraction of the graphite particles A is lower than the internal void fraction of the graphite particles B; the content of the graphite particles A in the first active material layers (X) is higher than the content of the graphite particles A in the second active material layers (Y).

Abstract: A lithium-ion rechargeable battery includes a negative electrode plate including a negative electrode substrate and a negative electrode mixture layer applied to the substrate, a positive electrode plate including a positive electrode substrate and a positive electrode mixture layer applied to the substrate, a separator arranged between the negative electrode plate and the positive electrode plate, and a non-aqueous electrolyte. The negative electrode substrate includes a negative electrode connection portion that projects from the negative electrode mixture layer in a first width direction. The positive electrode substrate includes a positive electrode connection portion that projects from the positive electrode mixture layer in a second width direction. The separator has a gas permeability that is greater at a portion facing an end of the positive electrode mixture layer in the second width direction than a portion facing an end of the positive electrode mixture layer in the first width direction.

Abstract: A non-aqueous rechargeable battery includes an electrode body in which a positive plate and a negative electrode plate are stacked in a stacking direction with a separator arranged in between. The positive electrode plate includes a positive electrode substrate, and a positive electrode mixture layer and an insulating layer arranged on each of two opposite surfaces of the positive electrode substrate. The positive electrode substrate includes a positive electrode uncoated portion. The electrode body includes a positive electrode current collector portion in which layers of the positive electrode uncoated portion are stacked in the stacking direction. A first insulating layer on a first surface of the positive electrode substrate, facing a center of the positive electrode current collector portion in the stacking direction, has a thickness that is greater than that of a second insulating layer on a second surface of the positive electrode substrate opposite to the first surface.

Abstract: A non-aqueous rechargeable battery includes an electrode body formed by rolling a stack of a positive electrode plate and a negative electrode plate with a separator arranged in between. At least one of the positive electrode plate and the negative electrode plate includes a substrate, a first mixture layer located on an outer side of the substrate, and a second mixture layer located on an inner side of the substrate. The second mixture layer includes an active material having a BET specific surface area that is greater than that of an active material included in the first mixture layer.

Abstract: A lithium-ion rechargeable battery includes a negative electrode plate including a negative electrode substrate and a negative electrode mixture layer applied to the substrate, a positive electrode plate including a positive electrode substrate and a positive electrode mixture layer applied to the substrate, a separator arranged between the negative electrode plate and the positive electrode plate, and a non-aqueous electrolyte. The negative electrode substrate includes a negative electrode connection portion that projects from the negative electrode mixture layer in a first width direction. The positive electrode substrate includes a positive electrode connection portion that projects from the positive electrode mixture layer in a second width direction. The negative electrode plate has a thickness that increases in the first width direction. The positive electrode plate has a thickness that increases in the second width direction. The separator has a porosity that increases in the second width direction.

Abstract: The present invention relates to a method for coating a photovoltaic panel, and a photovoltaic power generating device using same and, more specifically, to a method for coating a photovoltaic panel, and a photovoltaic power generating device using same, wherein the method inhibits various pollutants such as dust and salt from attaching to the surface of a photovoltaic panel so as to increase power generation efficiency.

Abstract: A battery pack includes battery cell having exhaust valve that opens when internal pressure exceeds set pressure, and case that houses battery cell. Case includes multiple case units molded with plastic, multiple case units being coupled with mating surfaces to dispose battery cell inside case, and heat-resistant material disposed inside mating surfaces of respective multiple case units, heat-resistant material blocking gap between mating surfaces.

Abstract: A non-aqueous electrolyte secondary battery according to an aspect of the present disclosure comprises: an electrode body in which a belt-shaped positive electrode and a belt-shaped negative electrode are wound with a separator therebetween; an electrolyte; and an outer case which accommodates the electrode body and the electrolyte. The negative electrode has a negative electrode current collector and a negative electrode mixture layer which is formed on a surface of the negative electrode current collector and which contains a negative electrode active material and a solid electrolyte. The negative electrode mixture layer has a region in which the solid electrolyte content in the inner winding end part is higher than the solid electrolyte content in the outer winding end part, and the solid electrolyte content continuously decreases from the inner winding end part side to the outer winding end part side.

Abstract: A coating device includes a backup roll configured to transport a workpiece; a coating die configured to discharge a coating liquid onto the workpiece; a drive section capable configured to drive the backup roll; and a heat dissipation section configured to dissipate heat generated in the drive section.

Abstract: A method for bonding a current collector to an electrode body is provided. The electrode body includes electrode plate end portions arranged over each other in a thickness direction. The method includes forming a covering by integrally covering the electrode plate end portions with resin at a bonding position of the current collector, and bonding a bonding portion of the current collector, by performing solid-phase bonding, to edges of the electrode plate end portions integrated by the formed covering.

Abstract: A non-aqueous electrolyte rechargeable battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The negative electrode has a sodium concentration of greater than 532 ppm and less than 71100 ppm. The non-aqueous electrolyte rechargeable battery includes a LiBOB equivalent. The LiBOB equivalent is lithium bis(oxalato)borate in the non-aqueous electrolyte or a substance formed when the lithium bis(oxalato)borate reacts with another substance. The non-aqueous electrolyte has a hypothetical concentration of the LiBOB equivalent of 0.35 wt % or greater and 0.56 wt % or less when an amount of the LiBOB equivalent is converted into a weight of the lithium bis(oxalato)borate.

Abstract: A method for manufacturing a rechargeable battery includes forming a mixture layer and an insulating layer on an electrode substrate having an edge extending in a specified direction so that an exposed portion where the electrode substrate is exposed extends between the edge and the insulating layer; pressing the mixture layer; and stretching an extension portion, located between the edge and the mixture layer, and the insulating layer in the specified direction. The stretching includes applying a stress greater than or equal to yield stress of the electrode substrate or greater than or equal to 0.2% proof stress of the electrode substrate and less than tensile strength of the electrode substrate to the extension portion, and applying a stress greater than or equal to yield stress of the insulating layer or greater than or equal to 0.2% proof stress of the insulating layer to the insulating layer.