Abstract: A separator includes a base portion and a protuberance portion protruding from the base portion in a first direction, wherein the protuberance portion includes a first portion and a second portion formed in one piece, the first portion has a shape symmetrical with respect to a first axis extending in the first direction, the second portion has a shape asymmetrical with respect to the first axis, and a volume of the first portion is larger than a volume of the second portion in the protuberance portion.

Abstract: A battery assembly includes: a plurality of battery cells arranged in a first direction; a separator disposed between the plurality of battery cells; a restraint member that restrains the plurality of battery cells and the separator along the first direction, wherein the separator includes a first member including a base portion and a plurality of protrusions each protruding from the base portion in the first direction, and a second member disposed between the plurality of protrusions, the second member having a higher heat insulation property than a heat insulation property of the first member, the second member being more likely to be deformed than the first member.

Abstract: A battery pack disclosed herein includes a plurality of rectangular secondary batteries that are disposed along an arrangement direction, and a spacer that is disposed between the rectangular secondary batteries that are adjacent in the arrangement direction. The spacer includes an elastic part including a plurality of hollow parts extending along the arrangement direction and configured to be elastically deformable in the arrangement direction, and a heat insulation part disposed between the elastic part and the rectangular secondary battery in the arrangement direction and having lower heat conductivity than the elastic part.

Abstract: A battery module includes a plurality of battery cells and a separator. The plurality of battery cells are arranged in a first direction. The separator is disposed between the plurality of battery cells. The separator includes a foam and an elastic body. The foam is elastically deformable at least in the first direction. The elastic body defines a closed space in which the foam is accommodated.

Abstract: A battery pack disclosed herein includes a plurality of rectangular secondary batteries that are disposed along an arrangement direction, and a spacer that is disposed between the rectangular secondary batteries that are adjacent in the arrangement direction. The spacer includes an elastic part and the elastic part satisfies the following conditions: an elastic modulus in the arrangement direction is 1 MPa or more and 10 MPa or less; and a constant load compression ratio is 35% or more and 70% or less.

Abstract: A battery pack disclosed herein includes a plurality of rectangular secondary batteries that are disposed along an arrangement direction, and a spacer that is disposed between the rectangular secondary batteries that are adjacent in the arrangement direction. The spacer includes a first part and a second part, the first part has an elastic modulus of 1 MPa or more and 10 MPa or less, the second part includes a porous part, and 50 mass % or more of the entire porous part is occupied by a material that satisfies both the following conditions: a classification of heat resistance based on JIS K 6380 (2014) is E or more; and the elastic modulus in the arrangement direction is 0.02 MPa or more and 0.9 MPa or less.

Abstract: A stacked secondary battery having an electrode body in which at least one positive and at least one negative plate are stacked, with a multilayered separator interposed, said separator including two porous layers of different materials; and an outer packaging case housing an insulating holder and an electrolyte together, said insulating holder housing the electrode body and being formed of overlapping sheets comprises an insulating material. The outer packaging case has a bottom surface, a plurality of side walls that are provided standing upright from the bottom surface, and an opening that is opposite from the bottom surface. In at least one separator, a section that is exposed from end surfaces of active material mixture layers and metal foil-comprising core bodies of the positive plate and the negative plate is in contact with the vicinity of a bottom line of a valley section that is formed from the sheet.

Abstract: An electrode body includes an overlapping part where a negative electrode sheet and a separator overlap each other in a thickness direction. The overlapping part includes an inside part located more inside than a peripheral part of the overlapping part when the overlapping part is seen in plan view in the thickness direction. The inside part satisfies the relationship, A>C and B>C, wherein A denotes interlayer separation strength between the separator and a negative electrode mixture layer, B denotes interlayer separation strength between the negative electrode mixture layer and a negative current collector foil, and C denotes intralayer separation strength of the negative electrode mixture layer.

Abstract: A battery includes an electrode assembly having a positive electrode and a negative electrode. The positive electrode includes a positive electrode substrate, a positive electrode active material layer formed on the surface of the positive electrode substrate, and a positive tab section having a substrate-exposed portion in which the positive electrode active material layer is not formed on the surface. The positive electrode active material layer has a notch in the end of the positive electrode active material layer. The outer edge of the notch encloses an end of a boundary where the positive tab section and the positive electrode active material layer come into contact.

Abstract: A stacked secondary battery having an electrode body in which at least one positive and at least one negative plate are stacked, with a multilayered separator interposed, said separator including two porous layers of different materials; and an outer packaging case housing an insulating holder and an electrolyte together, said insulating holder housing the electrode body and being formed of overlapping sheets comprises an insulating material. The outer packaging case has a bottom surface, a plurality of side walls that are provided standing upright from the bottom surface, and an opening that is opposite from the bottom surface. In at least one separator, a section that is exposed from end surfaces of active material mixture layers and metal foil-comprising core bodies of the positive plate and the negative plate is in contact with the vicinity of a bottom line of a valley section that is formed from the sheet.

Abstract: A battery electrode which is one example of an embodiment is provided with a core and an active material layer disposed on the surface of the core. The core has a based part where the core surface is covered by the active material layer and a tab part projecting from the based part. Notches are formed on the core from the base of the tab part to the base part, or at positions where the base part adjoins the tab part. The edge of each notch is formed from a first curve comprising a first arc and either a second curve comprising a second arch having a smaller curvature than the first arc or a straight line. This allows a battery electrode to be provided such that the occurrence of cracks at the base of the tab part of the core and in the vicinity thereof can be sufficiently suppressed.

Abstract: A battery includes an electrode assembly having a positive electrode and a negative electrode. The positive electrode includes a positive electrode substrate, a positive electrode active material layer formed on the surface of the positive electrode substrate, and a positive tab section having a substrate-exposed portion in which the positive electrode active material layer is not formed on the surface. The positive electrode active material layer has a notch in the end of the positive electrode active material layer. The outer edge of the notch encloses an end of a boundary where the positive tab section and the positive electrode active material layer come into contact.

Abstract: The present invention provide a lipophilic laminate including a substrate and a lipophilic resin layer on the substrate, wherein the lipophilic resin layer has micro convex portions or micro concave portions in a surface thereof and contains filler particles, and when parts of the filler particles are exposed from the lipophilic resin layer, the rate of exposed portions of the filler particles relative to the surface of the lipophilic resin layer is 0.1% or more.

Abstract: Provided is a metal nanowire-containing transparent conductive film that can efficiently inhibit scattering of external light at a display screen such as a touch panel, and improve black floating prevention (photopic contrast) and electrode pattern non-visibility. Also provided are a method for producing the transparent conductive film, an information input device including the transparent conductive film, and an electronic device including the transparent conductive film. The transparent conductive film includes one or more metal nanowires and the number of metal nanowire bundle structures present in the transparent conductive film is 3 or fewer per each rectangular area region of 30 ?m in height and 40 ?m in width of the transparent conductive film.

Abstract: A hydrophilic laminate, including: a substrate made of a resin; and a hydrophilic resin layer on the substrate made of a resin, wherein the hydrophilic resin layer comprises micro convex portions or micro concave portions in a surface thereof, and wherein a pure water contact angle of the surface of the hydrophilic resin layer is less than 40°.

Abstract: A transparent conductive film including metal nanowires and a colored compound adsorbed by the metal nanowires is provided. The metal nanowires are a material which absorbs light in the visible light region, and also each has a functional group which is bound to a metal constituting the metal nanowire.

Abstract: A transparent conductive film including metal nanowires and a colored compound adsorbed by the metal nanowires is provided. The metal nanowires are a material which absorbs light in the visible light region, and also each has a functional group which is bound to a metal constituting the metal nanowire.

Abstract: The thiol group-containing colored compound includes a chromophore having absorption in a visible light region, a thiol group, and a spacer provided between the chromophore and the thiol group. The spacer is a chain alkylene group having 2 to 30 carbon atoms, a cyclic alkylene group having 3 to 30 carbon atoms, or a derivative of either alkylene group in which the number of carbon atoms in an additional structure of the alkylene group is equal to or less than the number of carbon atoms in the alkylene group.

Abstract: A transparent conductive film including metal nanowires and a colored compound adsorbed by the metal nanowires is provided. The metal nanowires are a material which absorbs light in the visible light region, and also each has a functional group which is bound to a metal constituting the metal nanowire.

Abstract: Provided are metal nanowires having a high total light transmittivity that efficiently inhibit scattering of external light at a display screen such as a touch panel, and improve black floating prevention (photopic contrast) and electrode pattern non-visibility. Also provided are a transparent conductive film including the metal nanowires, a method for producing the transparent conductive film, a dispersion liquid including the metal nanowires, an information input device including the transparent conductive film, and an electronic device including the transparent conductive film. The metal nanowires include metal nanowire bodies and a colored compound adsorbed onto the metal nanowire bodies. The colored compound is a dye and is adsorbed in an amount of from 0.5 mass % to 10 mass % relative to the metal nanowire bodies.