Abstract: A power storage device includes an electrode body, and an exterior body for sealing the electrode body. The exterior body includes an exterior film for wrapping the electrode body so as to have a projection section that projects farther outward relative to the electrode body, and a seal section sealed by bonding mutually facing surfaces of the exterior film, and includes a projection seal section formed at the projection section, and a back-lining seal section that extends in a direction intersecting the direction in which the projection seal section extends in plan view.

Abstract: An electrode body and an exterior body in which the electrode body is sealed. The exterior body is constituted of a film-like exterior member. The exterior body includes a first seal part that is sealed by the joining of opposing faces of the exterior member wrapped around the electrode body. The area of a first face is larger than the area of a second face. The first seal part does not overlap the first face in plan view.

Abstract: This power storage device includes an electrode body and an exterior body sealing the electrode body, wherein: the exterior body includes an exterior film wound on the electrode body so as to have an opening, a lid disposed in the opening, a first sealing part where mutually facing surfaces of the exterior film are sealed, and a second sealing part where mutually facing surfaces of the lid and the exterior film are sealed; and the sealing strength of the second sealing part is 40 N/15 mm or higher.

Abstract: A lid is used in an exterior body of an electricity storage device, wherein: the exterior body includes an exterior film which is wound around an electrode body so as to have an opening portion; and the lid is disposed in the opening portion and includes a lid seal portion that is sealed with the exterior film, and a projecting portion that projects from the lid seal portion.

Abstract: A battery includes a battery element, housing body, and valve device. The housing body includes at least one laminate and an interior space wherein the battery element is housed, a first housing portion covers the interior space from a first side in a thickness direction, and a second housing portion that covers the interior space from a second side opposite to the first side in the thickness direction. The valve device attaches to the housing body and makes the interior space communicate with an external space. A joined edge portion is formed in the housing body by the first and second housing portion being fused along respective peripheral edges. The valve device is between the first and second housing portion in the joined edge portion, and an inner end of the valve device protrudes from an inner edge of the joined edge portion toward the interior space.

Abstract: An adhesive film that is used in a power storage device. The power storage device includes a structure in which a power storage device element is accommodated in package formed by power storage device exterior material. Power storage device exterior material is constituted of laminate including at least base material layer, barrier layer, and thermally-fusible resin layers in stated order from outside. Thermally-fusible resin layers of power storage device exterior material are thermally fused together to accommodate power storage device element in package. Adhesive film is used to be interposed between thermally-fusible resin layers at position wherein thermally-fusible resin layers are thermally fused together. Adhesive film has multilayer structure, and includes at least one layer having cross-sectional hardness, as measured in environment at temperature of 110° C., of 15 N/mm2 or greater.

Abstract: A vehicular lamp fitting and the like capable of preventing (or suppressing) vibrations of a radar unit (and as a result, capable of preventing the detection area of the radar unit from being significantly changed) are provided. A vehicular lamp fitting includes: a lamp housing; an outer lens attached to the lamp housing, the outer lens including a recessed part and forming a first space between the outer lens and the lamp housing; a lamp unit disposed in the first space; a radar cover disposed while covering the recessed part, and forming a second space between the radar cover and the recessed part; a bracket disposed in the second space; a radar unit detachably fixed to the bracket; and a first fixing part fixing one end of the bracket to the outer lens; and a second fixing part fixing the other end of the bracket to the lamp housing.

Abstract: An adhesive film for metal terminals is interposed between a metal terminal that is electrically connected to an electrode for a power storage device element, and a power storage device exterior material that seals the power storage device element. The adhesive film for metal terminals is constituted of a laminate including at least a resin layer A and a resin layer B. The resin layer A has a melting peak temperature of 105-130° C. The resin layer B has a cross-sectional hardness, measured in an environment with a temperature of 110° C., of at least 15 N/mm2.

Abstract: An exterior material for a power storage device, said exterior material constituted from a laminate that at least comprises a base material layer, a barrier layer, and a heat-fusible resin layer in the stated order, wherein the heat-fusible resin layer includes a film, and the film has a tensile elongation at break in a 150° C. environment of 750% or more.

Abstract: This power storage device includes an electrode body and an exterior body. The exterior body seals the electrode body. The exterior body is configured from a film-like exterior member. The exterior body includes a first sealed part sealed by joining surfaces which face each other in a state of being wound around the electrode body. The area of a first surface is larger than the area of a second surface. The first sealed part does not overlap the first surface in a plan view. The exterior body is configured from a laminate including at least a base material layer, a barrier layer, and a heat-fusible resin layer in the stated order. The barrier layer includes an aluminum alloy foil satisfying a composition of 0.2-2.0 mass % of Fe, and 0.1-5.0 mass % of Mg.

Abstract: A power storage device includes: an electrode body; an exterior body including an exterior film sealing the electrode body; and a heat transfer body attached to at least a portion of the surface of the exterior body. The exterior film includes at least a base material layer, an exterior barrier layer, and a heat-fusible resin layer. The exterior barrier layer is constituted of a material containing a metal, the heat transfer body includes a heat transfer layer constituted of a material containing a metal, and the thickness of the heat transfer layer is equal to or greater than the thickness of the exterior barrier layer.

Abstract: A vehicular lamp fitting and the like capable of preventing the distance between a radar unit and the radar cover from changing are provided. A vehicular lamp fitting includes: a lamp housing; an outer lens attached to the lamp housing while covering an opening of the lamp housing, and forming a first space between the outer lens and the lamp housing; a lamp unit disposed in the first space; a radar housing; a radar cover attached to the radar housing while covering an opening of the radar housing, and forming a second space between the radar cover and the radar housing; a radar unit disposed in the second space; a first fixing part fixing the radar unit to the radar housing; and a second fixing part fixing the radar cover to the radar housing.

Abstract: A battery includes a battery element, a housing body, and a valve device. The housing body houses the battery element. The valve device is in communication with the inside of the housing body. Heat-sealable resin layers face each other in a peripheral edge portion of the housing body. A joined edge portion in which the mutually facing heat-sealable resin layers are fused together is formed in the peripheral edge portion of the housing body. The valve device is configured to reduce an internal pressure of the housing body if the internal pressure is increased due to gas generated in the housing body. The valve device includes a first portion that is located on an outer side of an edge of the joined edge portion and a second portion that is sandwiched between the heat-sealable resin layers in the joined edge portion.

Abstract: A battery includes a battery element, housing body, and valve device. The housing body has a laminate including a base material, barrier, and heat-sealable resin layers. The valve device is in communication with the housing body inside. A joined edge portion in which the mutually facing heat-sealable resin layers are fused together is formed in a housing body peripheral edge portion. The valve device includes first and second portions. A valve mechanism reduces the housing body internal pressure if it is increased due to gas generated in the housing body is formed in the first portion. An air passage guides gas generated in the housing body toward the valve mechanism is formed in the second portion. The first portion is located on a joined edge portion edge outer side. At least a portion of the second portion is sandwiched between the heat-sealable resin layers in the joined edge portion.

Abstract: A water-impermeable degassing film for a power storage device. The water-impermeable degassing film is made to adhere to the exterior material of a power storage device so as to block a communication section provided to the exterior material and is used to discharge gas generated in the interior of the power storage device from the communication section. The water-impermeable degassing film is configured from a laminate having at least a substrate layer and an adhesive layer, and the adhesive layer of the water-impermeable degassing film is made to adhere to the surface of the power storage device.

Abstract: An exterior material for a power storage device, the exterior material being constituted by a laminated body that includes at least a base material layer, a barrier layer, and a heat-sealable resin layer in this order from the outer side. The heat-sealable resin layer is formed from a polybutylene terephthalate film. The exterior material has a water-absorbing layer on the inner side than the barrier layer, and that contains a water-absorbing agent.

Abstract: A valve device is a valve device for attaching to a storage body. This valve device is provided with a valve device main body and an adhesive member. The valve device main body is configured to reduce pressure inside the storage body in the case where the pressure increases due to gas produced inside the storage body. The adhesive member is adhered to an outer periphery of the valve device main body, and is configured to adhere to the storage body. A hole through which the gas passes is formed in an end face of the valve device main body.

Abstract: An adhesive film is used for a power storage device, wherein the power storage device includes a structure in which a power storage device element is accommodated in a package formed by a power storage device exterior material, the power storage device exterior material is composed of a laminate including at least a base material layer, a barrier layer, and thermally fusible resin layers in this order from the outside, the thermally fusible resin layers of the power storage device exterior material are thermally fused together to accommodate the power storage device element in the package, the adhesive film is used so as to be interposed between the thermally fusible resin layers at a position where the thermally fusible resin layers are thermally fused together, the adhesive film has a multilayer structure, and the adhesive film includes at least one resin layer L having a melting peak temperature of 100-135° C.

Abstract: A resin film for a power storage device that is arranged between an exterior material of a power storage device and a power storage device element, the resin film for a power storage device including a water absorbent.

Abstract: An adhesive film used for an electricity storage device, wherein the electricity storage device is accommodated in a package formed by an electricity storage device exterior material, the electricity storage device exterior material is constituted by at least a laminate including a base material layer, a barrier layer, and a heat-fusible resin layer from the outside, the electrical storage device element is accommodated in the package by heat fusing the heat-fusible resin layers of the electricity storage device exterior material to each other, the adhesive film is used by being interposed between the heat-fusible resin layers at a position where the heat-fusible resin layers are heat-fused to each other, and the adhesive film has a multilayer structure and includes at least one resin layer L having a melting peak temperature lower by 5° C. or more than that of the heat-fusible resin layers of the electricity storage device exterior material.