Abstract: A main object of the present disclosure is to provide a method for disposing of a battery, with which the battery can be deactivated well. The present disclosure achieves the object by providing a method for disposing of a battery, the method including: a soaking step of soaking a battery including an Al terminal in a treatment liquid to decrease a voltage of the battery by causing outer short circuit through the treatment liquid, wherein the treatment liquid contains water and a supporting salt; and in the soaking step, a covering body including conductivity is used, and the covering body is arranged so as to cover at least a part of the Al terminal to make the treatment liquid and the Al terminal electrically connected through the covering body.

Abstract: A joining structure, a method of producing same and a wire exterior cover using the joining structure. The joining structure comprises a joining part formed by butt-welding a plate surface part of a first resin plate made of a first resin, and an end surface part of a second resin plate made of a second resin. In the joining structure, a foam resin is used for the first resin and a foam resin or a non-foam resin is used for the second resin. The joining part has a welding recess in a surface of the plate surface part. In an internal corner of a reverse surface, there is a padding section formed by melt-flowing and solidifying of at least the first resin out of the first resin and the second resin.

Abstract: A main object of the present disclosure is to provide a method for disposing of a battery, with which the battery can be deactivated well. The present disclosure achieves the object by providing a method for disposing of a battery, the method including: a soaking step of soaking a battery including an Al terminal in a treatment liquid to decrease a voltage of the battery by causing outer short circuit through the treatment liquid, wherein the treatment liquid contains water and a supporting salt; and the Al terminal includes, on at least a part of its surface, a protective layer that prevents the Al terminal from eluting to the treatment liquid.

Abstract: A main object of the present disclosure is to provide a method for disposing of a battery, with which the battery can be deactivated well. The present disclosure achieves the object by providing a method for disposing of a battery, the method including: a soaking step of soaking a battery including an Al terminal in a treatment liquid to decrease a voltage of the battery by causing outer short circuit through the treatment liquid, wherein the treatment liquid contains water, a supporting salt, and an additive that prevents the Al terminal from eluting; and a concentration of the additive in the treatment liquid is a minimum concentration CMIN, that is capable of preventing the Al terminal from eluting, or more.

Abstract: A wire harness exterior body and a wire harness with the exterior body, with which it is possible to appropriately restrict the route of the wire harness, and to eliminate dead space and reduce space in a vehicle, etc., in which the wire harness is used. This wire harness exterior body has a wire bundle in which a plurality of electric wires are bundled, the exterior body being formed from at least one flat member including a resin material, and contacting and supporting one surface of a wire aggregate including the wire bundle constituting a wire harness, or a plurality of divided wire bundles that are further branched from the wire bundle and extended. The exterior body having flat parts that restrict the route of the wire harness.

Abstract: An aqueous battery includes a positive electrode containing a positive electrode active material; a negative electrode containing a negative electrode active material; and an aqueous electrolytic solution provided between the positive electrode and the negative electrode, the negative electrode active material contains a hydrogen storage alloy, and the aqueous electrolytic solution contains: a solvent containing water; and a potassium salt of a phosphorus oxoacid that is dissolved in the solvent, and represented by the general formula K2+nPnO3n+1, wherein n is an integer of 1 or more.

Abstract: The present disclosure provides a negative electrode mixture for a sodium ion battery that can improve charge capacity and discharge capacity, and charge-discharge efficiency, a sodium ion battery comprising such a negative electrode mixture, and a method for manufacturing thereof. The negative electrode mixture for a sodium ion battery of the present disclosure comprises a negative electrode active material and zirconium oxide, wherein the negative electrode active material comprises hard carbon, and a ratio of a mass of the zirconium oxide relative to a total mass of the hard carbon and the zirconium oxide is 1% by mass or more and 20% by mass or less. The sodium ion battery 1 of the present disclosure comprises a negative electrode active material layer 20, and the negative electrode active material layer 20 comprises a negative electrode mixture of the present disclosure.

Abstract: The sodium battery of the present disclosure has a cathode layer, a separator, and an anode layer in this order, and is impregnated with an electrolytic solution. The sodium battery of the present disclosure is a sodium metal battery in which sodium metal is deposited during charging, or a sodium ion battery having hard carbon as an anode active material. The separator is composed of a plurality of porous layers, and in the thickness direction of the separator, the pore diameters of the respective layers of the plurality of porous layers are different so as to have two maximum values from the side of the cathode layer toward the side of the anode layer, and the maximum value on the side of the cathode layer among the two maximum values is larger than the maximum value on the side of the anode layer.

Abstract: A cathode active material in the present disclosure has a monoclinic crystal structure that belongs to a space group C2/m, and has a composition shown as a composition formula: AxMn1-yBiyO2·zH2O (A: one or both of Na and K, 0<x<1, 0<y<1, 0<z<2).

Abstract: An aqueous electrolyte solution for a proton battery of the present disclosure contains water and pyrophosphoric acid (H4P2O7) dissolved in water at a concentration of 6 mol or more per kilogram of water, and does not have a freezing point at ?60° C. or higher. The proton battery of the present disclosure includes the aqueous electrolyte solution of the present disclosure. The proton battery of the present disclosure includes the aqueous electrolyte solution of the present disclosure.

Abstract: Provided is an eccentric core-sheath composite false-twisted yarn, in which, in a cross section of a composite fiber composed of two polymers that are a component A and a component B, the component A is completely covered with the component B, a ratio S/D of a minimum thickness S of a thickness of the component B covering the component A to a fiber diameter D is 0.01 to 0.1, a peripheral length of a fiber at a portion where a thickness is 1.05 times or less the minimum thickness S is ? or more of a peripheral length of the entire fiber, a difference in modification degree between the single yarns is 0.2 or more, and a crimping rate is 30% or more.

Abstract: Provided are a joining structure, a joining method, an exterior body for a wire harness, and a wire harness capable of firmly joining members having different physical properties while reducing the thickness of a joint part. The joining structure 10 joins a first member 1 made of a first resin and a second member 2 made of a second resin, wherein: the second resin has physical properties having a higher foaming ratio than the first resin; and a recessed joint part 3 is provided which reaches at least the inside of the first member 1 from the outer surface side of the second member in a state in which the first member 1 and the second member 2 are superimposed.

Abstract: The present disclosure provides a separator for a zinc secondary battery that can inhibit short circuiting in a zinc secondary battery. The separator for a zinc secondary battery of the disclosure has a porous substrate layer and a titanium oxide-containing porous layer laminated onto the porous substrate layer, wherein the titanium oxide-containing porous layer comprises a titanium oxide represented by TixOy, where 0<x, 0<y, and y<2x. The titanium oxide may be TiO, Ti2O, Ti2O3, Ti3O, Ti3O5, Ti4O5, Ti4O7, Ti5O9, Ti6O, Ti6O11, Ti7O13, Ti8O15 or Ti9O17.

Abstract: A nickel-metal hydride battery of the present disclosure comprises: a positive electrode active material layer, a negative electrode active material layer, and an aqueous electrolyte, wherein a negative electrode active material contained in the negative electrode active material layer is a hydrogen storage alloy having an AB2 main phase, the A site includes Ti, Zr, or a combination thereof, and the B site includes Mn, Cr, Ni, Fe, or a combination thereof.

Abstract: The aqueous secondary battery of the present disclosure comprises: a positive electrode active material layer, an aqueous electrolyte, and a negative electrode active material layer, wherein the aqueous electrolyte contains an aqueous solvent and potassium polyphosphate which has two or more elemental phosphorus, and any one of potassium ion, proton, hydroxide ion, and polyphosphoric anion is a carrier ion, a positive electrode active material contained in the positive electrode active material layer has a monoclinic crystal structure represented by space group C2/m, is represented by composition formula MnO2·AxBy(H2O)z, and the A, B, and H2O are present in a space interposed between layers composed of Mn—O octahedrons, A is an alkali metal or alkali rare earth metal, B is an anion, 0<x<1, 0<y<1, and 0<z<2.

Abstract: A separator for a zinc secondary battery according to the present disclosure includes a zirconium sulfate-containing porous layer and a porous base material layer that are stacked on each other. The porous base material layer, the zirconium sulfate-containing porous layer, and the porous base material layer may be stacked in this order. The porous base material layer may be a resin porous layer. A zinc secondary battery according to the present disclosure includes the separator for a zinc secondary battery according to the present disclosure.

Abstract: Disclosed is an aqueous battery, in which not only a predetermined aqueous electrolyte solution is adopted, but also an ionic conduction path between positive and negative electrodes is ensured. The aqueous battery of the present disclosure includes a positive electrode, an aqueous electrolyte solution, a separator and a negative electrode, in which the aqueous electrolyte solution contains water and a potassium salt dissolved in the water, the aqueous electrolyte solution has no freezing point at ?60° C. or higher, and at least one element constituting the separator is the same in type as at least one element constituting an anion of the potassium salt.

Abstract: The present disclosure provides a separator for a zinc secondary battery that can inhibit short circuiting in a zinc secondary battery. The separator for a zinc secondary battery of the disclosure has a porous substrate layer and a titanium oxide-containing porous layer laminated onto the porous substrate layer, wherein the titanium oxide-containing porous layer comprises a titanium oxide represented by TixOy, where 0<x, 0<y, and y<2x. The titanium oxide may be TiO, Ti2O, Ti2O3, Ti3O, Ti3O5, Ti4O5, Ti4O7, Ti5O9, Ti6O, Ti6O11, T17O13, T18O15 or T19O17.

Abstract: Disclosed are a novel inorganic compound capable of functioning as a negative electrode active material of an aqueous battery, and an aqueous battery using the same. The aqueous battery of the present disclosure comprises a positive electrode, an aqueous electrolyte solution and a negative electrode, the aqueous electrolyte solution contains water and alkali metal ions or zinc ions, the negative electrode contains an inorganic compound as a negative electrode active material, and the inorganic compound has a crystal structure belonging to a space group I23.

Abstract: The present disclosure provides a separator for a zinc secondary battery that can inhibit short circuiting in a zinc secondary battery. The separator for a zinc secondary battery of the disclosure has a porous substrate layer and a titanium oxide-containing porous layer laminated onto the porous substrate layer, wherein the titanium oxide-containing porous layer comprises a titanium oxide represented by TixOy, where 0<x, 0<y, and y<2x. The titanium oxide may be TiO, Ti2O, Ti2O3, Ti3O, Ti3O5, Ti4O5, Ti4O7, Ti5O9, Ti6O, Ti6O11, Ti7O13, Ti8O15 or Ti9O17.