An embodiment of the present invention provides a separator for a non-aqueous secondary battery containing a porous substrate; a heat-resistant porous layer that is provided on one side or on both sides of the porous substrate, and that contains a binder resin and inorganic particles, the inorganic particles having an average primary particle diameter from 0.01 μm to less than 0.45 μm; and an adhesive layer that is provided on one side or on both sides of a laminated body of the porous substrate and the heat-resistant porous layer, and adhesive resin particles adhered to the laminated body.

There is provided an electrically peelable adhesive composition that is for forming an adhesive layer which has high adhesion and can be easily peeled off by applying a voltage for a short time even at a low voltage. In addition, there is provided an adhesive sheet including an adhesive layer formed of the composition that has high adhesion and can be easily peeled off by applying a voltage for a short time even at a low voltage, and a joined body of the adhesive sheet and an adherend. The electrically peelable adhesive composition of the invention includes a polymer and an ionic liquid, in which an anion of the ionic liquid is a bis(fluorosulfonyl)imide anion. A content of the ionic liquid is preferably 0.5 to 30 parts by weight with respect to 100 parts by weight of the polymer.

A peel off assembly for exposing a safety feature comprising an aversive agent for a battery includes a first adhesive layer adhered to a base layer. Optionally, a layer comprising a colorant is disposed over and coupled to the first adhesive layer. A layer comprising a water-soluble material and an aversive agent is disposed over and coupled to the first adhesive layer. A second adhesive layer is disposed over and coupled to the layer comprising a water-soluble material. A kill strip layer is disposed between the second adhesive layer and the base layer. Optionally, a label is disposed over and coupled to the second adhesive layer. The second adhesive layer is adapted and arranged to release from the layer comprising the water-soluble material, when a peel force is applied such that the second adhesive layer and the kill strip layer are removable from the layer comprising a water-soluble material when the peel force is applied to the second adhesive layer.

An adhesive agent for a battery containing a sulfide-based solid electrolyte, the adhesive agent including a metal compound and a resin, wherein the metal compound is contained in an amount of 1% by weight or more and less than 60% by weight relative to a total weight of the metal compound and the resin. The metal compound is preferably a polyvalent metal salt, and more preferably a copper compound. An adhesive layered body for a battery including a sulfide-based solid electrolyte, the adhesive layered body including a substrate and a layer of the adhesive agent for a battery, the layer being provided on the substrate.

Since the thermally conductive acrylic sheet according to the embodiment is prepared from a thermally conductive acrylic composition containing a tackifying resin of a specific composition and a high content of an organic filler, it can have high adhesive strength with excellent thermal conductivity. Accordingly, the thermally conductive acrylic sheet according to the embodiment can be advantageously applied to various fields that require heat dissipation characteristics.

A method for bonding a first component (1) with a second component (2), comprising the following steps:—depositing on the first component (1) and/or on the second component (2) an adhesive means of a first type, selected from a slow-setting adhesive means (3) or a quick-setting adhesive means (4),—depositing on the first component (1) and/or on the second component (2), an adhesive means of a second type different from the first type, selected from a slow-setting adhesive means (3) or a quick-setting adhesive means (4),—bringing the two components (1, 2) into contact,—pressing and—setting the slow-setting adhesive means (3).

Application to the assembly of a bipolar plate (6).

Application to the assembly of a fuel cell (7).

Provided are an outer package material that is for electricity storage devices such as batteries and has such a sufficient anti-electrolytic solution property that the time-dependent reduction of the adhesive strength between a metal foil layer and a sealant layer by an electrolytic solution is suppressed over a long time and a composition for adhesives for giving the outer package material. In an outer package material that is for electricity storage devices and has a structure in which at least a base material layer, a first adhesive layer, a metal foil layer, a second adhesive layer, and a sealant layer are stacked in sequence, a composition containing an isocyanato group and a (meth) acryloyl group and further containing an acid-modified polyolefin (component 1), an active energy ray polymerization initiator (component 3), and a solvent (component 4) is used as a composition for adhesives to form the second adhesive layer.

A battery cell includes an electrode assembly; a case comprising an accommodation portion accommodating the electrode assembly and a sealing portion formed on a periphery of the accommodation portion; and a fixing member disposed between the accommodation portion and the sealing portion to adhere each other; wherein the fixing member comprises a core layer, and an adhesive layer is stacked on both surfaces of the core layer.

A battery assembly includes a battery that has a top surface surrounded by a circumferential edge; and a removable tab attached to the top surface. The removable tab includes a first tab end and an oppositely disposed second tab end; a gripping region disposed adjacent to the first tab end; and a battery cell attachment region disposed adjacent to the second tab end and attached to the top surface of the battery. The battery cell attachment region has first and second oppositely disposed sidewalls, wherein the second tab end is curved inwardly away from the circumferential edge of the battery such that a portion of the top surface of the battery is exposed between the second tab end and the circumferential edge of the battery

A separator for a non-aqueous secondary battery, the separator including: a porous substrate; and an adhesive porous layer provided on one or both sides of the porous substrate and including a polyvinylidene fluoride-based resin, the adhesive porous layer would exhibit a ratio of an area intensity of a β-phase-crystal-derived peak of the polyvinylidene fluoride-based resin to a sum of an area intensity of an α-phase-crystal-derived peak of the polyvinylidene fluoride-based resin and the area intensity of the β-phase-crystal-derived peak of the polyvinylidene fluoride-based resin of from 10% to 100% when an x-ray diffraction spectrum is obtained by performing measurement by an x-ray diffraction method.