Abstract: A lead member includes a lead conductor having a first main surface and a second main surface opposite to the first main surface. The lead member includes a resin portion that covers the first main surface, the second main surface, and two side surfaces that are between both ends of the lead conductor, while exposing the both ends of the lead conductor in a first direction. The lead conductor includes a metal substrate and a surface treatment layer formed on at least a portion of a surface of the metal substrate, the surface treatment layer including chromium, oxygen, and fluorine. A moisture content of a portion of the surface treatment layer exposed from the resin portion, as measured by coulometric Karl Fischer titration at a vaporization temperature of 220° C., is 5.0 ?g/cm2 or less.

Abstract: A laminated body includes: a substrate portion composed of silicon carbide; and a graphene film disposed on a first main surface of the substrate portion, the graphene film having an atomic arrangement oriented with respect to an atomic arrangement of the silicon carbide of the substrate portion. A region in which a value of G?/G in Raman spectrometry is not less than 1.2 is not less than 10% in an area ratio in an exposed surface of the graphene film, the exposed surface being a main surface of the graphene film opposite to the substrate portion.

Abstract: A laminated body includes: a substrate portion composed of silicon carbide; and a graphene film disposed on a first main surface of the substrate portion, the graphene film having an atomic arrangement oriented with respect to an atomic arrangement of the silicon carbide of the substrate portion. A region in which a value of G?/G in Raman spectrometry is not less than 1.2 is not less than 10% in an area ratio in an exposed surface of the graphene film, the exposed surface being a main surface of the graphene film opposite to the substrate portion.

Abstract: A storage battery module is provided in which, even in a case where the storage battery module is formed by integrally assembling a plurality of secondary batteries, the secondary batteries can be compactly assembled while non-uniformity in battery temperature distribution is prevented, and wiring connection work is facilitated. Using a secondary battery RB (RB1 to RB4) including a battery can 10 that houses an electrode group 1 and rectanglar shape two secondary batteries are juxtaposed in parallel, they are spaced by a predetermined distance from each other, and with respect to these juxtaposed secondary batteries as one unit, in a direction in which units of these are stacked, these units are shifted in orientation by 90° from each other, and thus a storage battery module (M1 to M8) having a configuration in which a plurality of secondary batteries are stacked in parallel crosses is obtained.

Abstract: To obtain a secondary battery that surely positions and fixes a laminated type of electrode group by effectively curbing lateral deviation and vertical deviation, in secondary batteries RB1 to RB11 that include a laminated type of electrode group 1 in which a positive-electrode plate 2 and a negative-electrode plate 3 are so laminated via a separator 4 as to form a plurality of laminated layers, a structure is employed, in which vertical deviation in a lamination direction and lateral deviation in a lamination surface direction are curbed via a fix means that fixes the electrode group 1 to a predetermined position in an outer case 11 that houses the electrode group 1.

Abstract: A rechargeable battery having excellent heat resistance, pressure resistance, and airtightness is provided by using a crimping technique to connect a metal exterior body and an electrode terminal. The rechargeable battery comprises an electrode group which includes a positive electrode and a negative electrode; an exterior container which includes an exterior canister for housing the electrode group, and a sealing plate for sealing an open part of the exterior canister; a pair of electrode terminals crimp-joined to the exterior container from inside the exterior container; and an electrolyte solution filled into the exterior container.

Abstract: A stacked body is pressed by a suitable pressing force in a stacking direction by a sufficient area. In a cell case (20) of a secondary cell (1), a pair of two facing faces among four faces each forming one side of an opening are curved wall faces (201) and (201) in the shape of being curved toward an inner side of the cell case (20), and the two facing curved wall faces (201) and (201) press an electrode group (40) in a stacking direction of the electrode group (40).

Abstract: A secondary battery with improved life characteristics is provided. The secondary battery (lithium-ion secondary battery) has: an electrode assembly including positive electrodes and negative electrodes; and a package container for housing the electrode assembly along with non-aqueous electrolyte liquid. The package container includes a package can for housing the electrode assembly and a sealing plate sealing the opening of the package can. On the sealing plate, an elevated portion is formed that projects toward the electrode assembly and has, on the side opposite from the electrode assembly, a cavity portion for storing refill non-aqueous electrolyte liquid. The elevated portion has a hole for feeding the refill non-aqueous electrolyte liquid stored in the cavity portion toward the electrode assembly. The hole is sealed with a sealing stopper formed of a resin material letting the refill non-aqueous electrolyte liquid leak toward the electrode assembly.

Abstract: Provided is a secondary cell in which the production takt time can be improved, airtightness of a cell canister is exhibited, cell capacity can be increased, and excellent handling properties can be obtained. A secondary cell comprising an electrode group (1); an exterior case (11); and a cell canister (10) comprising the exterior case (11) and a lid member (12), the interior of which canister being filled with an electrolyte, and airtightness being achieved; the secondary cell being constituted such that the cell canister (10) comprises a electrode group accommodating part and a peripheral edge section in which the exterior case (11) and the lid member (12) are double-seamed and sealed; and the peripheral edge section is provided so as to bulge outward from the electrode group accommodating part, and has an appropriately sized corner R corresponding to the plate thickness of plates to be double-seamed and exhibiting airtightness.

Abstract: A storage battery module is provided in which, even in a case where the storage battery module is formed by integrally assembling a plurality of secondary batteries, the secondary batteries can be compactly assembled while non-uniformity in battery temperature distribution is prevented, and wiring connection work is facilitated. Using a secondary battery RB (RB1 to RB4) including a battery can 10 that houses an electrode group 1 and rectanglar shape two secondary batteries are juxtaposed in parallel, they are spaced by a predetermined distance from each other, and with respect to these juxtaposed secondary batteries as one unit, in a direction in which units of these are stacked, these units are shifted in orientation by 90° from each other, and thus a storage battery module (M1 to M8) having a configuration in which a plurality of secondary batteries are stacked in parallel crosses is obtained.

Abstract: In order to obtain a secondary battery and a method for producing same whereby, notwithstanding the large size of an electrode group of several tens of stacked layers of positive electrode plates, negative electrode plates, and separators, any residual air, gases, or the like present between layers can be effectively driven out, and the electrolyte can be induced to reliably penetrate into the interior of the electrode group, secondary batteries RB1 to RB4 and the method for producing same are configured such that, during creation of a vacuum in a vacuum injection step, a predetermined section of a battery can 10 opposing the vicinity of the center part of an electrode group 1 undergoes deformation by a predetermined amount or more, and a venting function of driving out residual air between the layers is exhibited.

Abstract: The purpose of the present invention is to provide a cell assembly in which single cells composed of secondary cells can be compactly linked, the single cells can be securely fixed in place so as not to become misaligned with each other; and to obtain a battery system in which cell assembly modules using the cell assembly can be compactly assembled. Cell assemblies (M1 through M4) are created in which a joint (21) between a cover member (12) and an exterior case (11) protrudes outward from the external peripheral edge of an exterior case, and linking members (7) are interposed for linking the plurality of secondary cells together into a single unit; and a battery system (BS) is created by vertically connecting a plurality of modularized cell assembly modules MJ in which a circuit unit (80) is combined into a single unit on one side of each cell assembly.

Abstract: A rechargeable battery having excellent heat resistance, pressure resistance, and airtightness is provided by using a crimping technique to connect a metal exterior body and an electrode terminal. The rechargeable battery comprises an electrode group which includes a positive electrode and a negative electrode; an exterior container which includes an exterior canister for housing the electrode group, and a sealing plate for sealing an open part of the exterior canister; a pair of electrode terminals crimp joined to the exterior container from inside the exterior container; and an electrolyte solution filled into the exterior container.

Abstract: A redox flow battery comprising an electrode cell including a negative electrode cell, a positive electrode cell and a separator for separating them, in which at least one of the negative electrode cell and the positive electrode cell includes a slurry type electrode solution, a porous current collector and a casing; a tank for storing the slurry type electrode solution; and a pipe for circulating the slurry type electrode solution between the tank and the electrode cell.

Abstract: To obtain a secondary battery that surely positions and fixes a laminated type of electrode group by effectively curbing lateral deviation and vertical deviation, in secondary batteries RB1 to RB11 that include a laminated type of electrode group 1 in which a positive-electrode plate 2 and a negative-electrode plate 3 are so laminated via a separator 4 as to form a plurality of laminated layers, a structure is employed, in which vertical deviation in a lamination direction and lateral deviation in a lamination surface direction are curbed via a fix means that fixes the electrode group 1 to a predetermined position in an outer case 11 that houses the electrode group 1.

Abstract: A secondary battery is provided that can be built into an assembled battery at lower cost than by building a secondary battery employing a laminate film into an assembled battery and that permits easy stacking. The secondary battery has: an electrode assembly including a positive electrode and a negative electrode; a package container including a package can in which the electrode assembly is housed and a lid member which seals an opening of the package can all around its circumference; and electrolyte liquid directly filling the housing container The outer bottom face of the housing container and the outer top face of the lid member are shaped such that one substantially fits into the other.

Abstract: Provided is a reliable secondary battery with improved life characteristics. The lithium-ion secondary battery (secondary battery) has: a positive electrode which includes a positive electrode active material layer; a negative electrode which includes a negative electrode active material layer and which is arranged to face the positive electrode; a housing container in which the positive and negative electrodes are housed; and a lid member which seals the opening of the housing container. The positive and negative electrodes have edge portions respectively, and are housed in the housing container with a pressing force applied to a region of the positive and negative electrode active material layers excluding at least part of the edge portions.

Abstract: A secondary battery with improved life characteristics is provided. The secondary battery (lithium-ion secondary battery) has: an electrode assembly including positive electrodes and negative electrodes; and a package container for housing the electrode assembly along with non-aqueous electrolyte liquid. The package container includes a package can for housing the electrode assembly and a sealing plate sealing the opening of the package can. On the sealing plate, an elevated portion is formed that projects toward the electrode assembly and has, on the side opposite from the electrode assembly, a cavity portion for storing refill non-aqueous electrolyte liquid. The elevated portion has a hole for feeding the refill non-aqueous electrolyte liquid stored in the cavity portion toward the electrode assembly. The hole is sealed with a sealing stopper formed of a resin material letting the refill non-aqueous electrolyte liquid leak toward the electrode assembly.

Abstract: The present invention relates to a small fuel cell and a small fuel cell stack each allowing for improved output. Conventionally, in a direct methanol fuel cell, carbon dioxide gas produced at an anode electrode side is exhausted together with a methanol aqueous solution. From the methanol aqueous solution, the carbon dioxide gas is separated, and then the methanol aqueous solution is reused as fuel. In this case, a liquid-gas separation device needs to be provided additionally, which results in a large fuel cell with an increased weight, disadvantageously. The present invention is made to solve such a problem by providing a fuel cell including a first unit cell having a cathode electrode, an electrolyte membrane, an anode electrode, and an anode collector layer in this order; and one or more spacers arranged on the anode collector layer.

Abstract: There is provided a fuel cell including a membrane electrode assembly having a cathode electrode, an electrolyte membrane, and an anode electrode in this order, and an anode collector layer. The anode collector layer includes a pair of first walls provided along two opposite sides. The membrane electrode assembly is fitted between the first walls such that the anode electrode faces the anode collector layer. A fuel cell layer employing the fuel cells is also provided. Preferably, the fuel cell further includes a pair of second walls formed on the pair of first walls.