Abstract: A metal anode is provided, including: an active layer formed of lithium and a base material in which the lithium is solid-dissolved; and a base material layer formed of the base material, in which the metal anode has a plate shape including a first surface and a second surface facing each other, the active layer is present on a side of the first surface, the base material layer is present on a side of the second surface, the active layer and the base material layer are laminated in contact with each other, the base material includes one or more metals selected from the group consisting of Al, Si, Sn, and Pb, and the base material layer has a standard deviation of length, which is from the second surface to the active layer, of 0 or greater and 10 or less.

Abstract: Provided is a lithium secondary battery including: an aluminum anode configured to occlude and release lithium ions; a cathode configured to occlude and release lithium ions; and an electrolyte solution, in which the aluminum anode is formed of an aluminum-containing metal, and the electrolyte solution contains an electrolyte, an organic solvent, and an additive.

Abstract: Provided is a lithium secondary battery including: an aluminum anode configured to occlude and release lithium ions: a cathode configured to occlude and release lithium ions; and an electrolyte, in which the aluminum anode is formed of an aluminum-containing metal, the cathode has a cathode active material, and the cathode active material contains a metal oxide containing nickel.

Abstract: Provided is a laminate for a lithium secondary battery including: a metal anode configured to occlude and release lithium ions; a cathode configured to occlude and release lithium ions; and an electrolyte, in which the metal anode is formed of an aluminum-containing metal, the metal anode has a plate shape, and a surface of flat surfaces of the metal anode facing the cathode has a ceramic separator or a solid electrolyte layer.

Abstract: Provided is a method of manufacturing a lithium secondary battery including an aluminum anode configured to occlude and release lithium ions, a cathode configured to occlude and release lithium ions, and an electrolyte, the aluminum anode being formed of an aluminum-containing metal, the method including: a step of assembling the lithium secondary battery; a step of charging the assembled lithium secondary battery; a step of storing the lithium secondary battery for at least 4 hours after the charging; and a step of inspecting a capacity of the lithium secondary battery after the step of storing.

Abstract: An anode for a current collector-integrated secondary battery includes: an anode surface, and a current collector surface, in which the anode for a current collector-integrated secondary battery is a plate-shaped metal anode, and an average crystal grain size when a cross section of the metal anode is observed in a scanning ion microscope (SIM) image is 200 ?m or less.

Abstract: A lithium secondary battery includes: a metal anode capable of being doped and dedoped with lithium ions; a cathode capable of being doped and dedoped with the lithium ions; and an electrolyte disposed between the metal anode and the cathode, in which the metal anode has a plate shape, and is composed of lithium and a base material in which the lithium is solid-dissolved, the metal anode in a discharged state has a layer of a substitutional solid solution, the substitutional solid solution has a structure in which a part of a crystal lattice of a metal constituting the base material is substituted with the lithium, and the layer is located on a surface of the metal anode opposite to a surface facing the cathode or inside the metal anode.

Abstract: A non-aqueous electrolyte secondary battery including an electrode group provided with a current collector-integrated anode for a secondary battery, an electrolyte, and a cathode, in which an anode capacity of the current collector-integrated anode for a secondary battery is larger than a cathode capacity of the cathode, the current collector-integrated anode for a secondary battery is a metal foil made of aluminum having a purity of 99 mass % or more or an alloy thereof, and the metal foil has an oxide coating on a surface.

Abstract: An anode active material for a non-aqueous electrolyte secondary battery, including: an aluminum phase; and a non-aluminum metal phase dispersed in the aluminum phase, in which the non-aluminum metal phase is formed of a non-aluminum metal compound containing one or more selected from the group consisting of Si, Ge, Sn, Ag, Sb, Bi, In, and Mg, and an amount of the non-aluminum metal phase with respect to a total amount of the aluminum phase and the non-aluminum metal phase is 0.01 mass % or more and 8 mass % or less.

Abstract: An anode active material for a nonaqueous electrolyte secondary battery, which is made of an aluminum-containing metal having an average corrosion rate of 0.15 mm/year or less measured by an immersion test under specific immersion conditions.

Abstract: Anode active material for a non-aqueous electrolyte secondary battery includes high-purity aluminum having a purity of 99.9 mass % or more or an alloy thereof, in which a Vickers hardness is 35 HV or less.

Abstract: An electrode mixture paste for a sodium secondary battery contains a positive electrode active material capable of being doped and dedoped with a sodium ion, an electroconductive material, a binder, an organic solvent, and an acid having a valence number of 2 or more. The electrode mixture paste for a sodium secondary battery gives little change in viscosity with lapse of time even when there are no special facilities.

Abstract: There is provided a nonaqueous electrolyte solution for the sodium secondary battery including a sodium salt, a compound having a sulfur-oxygen bond, and a nonaqueous solvent in which an amount of the compound having the sulfur-oxygen bond is in a rage of 0.05% by weight or more and 10% by weight or less with respect to the nonaqueous electrolyte solution. According to the present invention, the nonaqueous electrolyte solution for the sodium secondary battery and the sodium secondary battery which have excellent charge-discharge cycle characteristics can be provided and is useful industrially.

Abstract: The present invention provides an electrode mixture, an electrode and a nonaqueous electrolyte secondary battery. The electrode mixture includes a lithium mixed metal oxide represented by formula (1): Liz(Ni1-x-yMnxMy)O2??(1), an electrically conductive material, and a water-dispersible polymeric binder, wherein x is 0.30 or more and less than 1, y is 0 or more and less than 1, x+y is 0.30 or more and less than 1, z is 0.5 or more and 1.5 or less, and M represents one or more members selected from the group consisting of Co, Al, Ti, Mg and Fe.

Abstract: An electrode mixture paste for a sodium secondary battery contains a positive electrode active material capable of being doped and dedoped with a sodium ion, an electroconductive material, a binder, an organic solvent, and an acid having a valence number of 2 or more. The electrode mixture paste for a sodium secondary battery gives little change in viscosity with lapse of time even when there are no special facilities.

Abstract: There is provided a nonaqueous electrolyte solution for the sodium secondary battery including a sodium salt, a compound having a sulfur-oxygen bond, and a nonaqueous solvent in which an amount of the compound having the sulfur-oxygen bond is in a rage of 0.05% by weight or more and 10% by weight or less with respect to the nonaqueous electrolyte solution. According to the present invention, the nonaqueous electrolyte solution for the sodium secondary battery and the sodium secondary battery which have excellent charge-discharge cycle characteristics can be provided and is useful industrially.

Abstract: There is provided an air battery having a power generation body, the power generation body comprising: a laminate in which a negative electrode, a separator, a positive electrode having a catalyst layer and a positive electrode current collector, and an oxygen diffusion membrane are laminated in this order; and an electrolyte being in contact with the negative electrode, the separator and the positive electrode, wherein one of main surfaces of the oxygen diffusion membrane is arranged facing one of main surfaces of the positive electrode current collector; and at least a part of a peripheral edge part of the oxygen diffusion membrane is in contact with atmospheric air.

Abstract: An electrode mixture paste for a sodium secondary battery contains a positive electrode active material capable of being doped and dedoped with a sodium ion, an electroconductive material, a binder, an organic solvent and an acid having a valence number of 2 or more. The electrode mixture paste for a sodium secondary battery gives little change in viscosity with lapse of time even when there are no special facilities.

Abstract: An electrode mixture containing a particulate electrode active material, an electrically conductive material and a binder, wherein the electrode active material comprises a particulate core material and a coating material adhering in the form of particles or a layer to the surface of the core material, the core material is obtained by a method comprising a step of coprecipitating two or more transition metal elements, and the binder comprises a water-soluble macromolecule or a water-dispersible macromolecule or both. An electrode comprising the electrode mixture and an electrode collector. An electrode mixture paste containing the electrode mixture and water. A nonaqueous electrolyte secondary battery comprising a positive electrode, a negative electrode and an electrolyte, wherein the positive electrode is the electrode.

Abstract: An air battery having a main body including a container package member, an electrolytic solution contained in the container package member, a cathode having a cathode catalyst that is in contact with the electrolytic solution, and an anode that is in contact with the electrolytic solution; a tank storing the electrolytic solution; a pump circulating the electrolytic solution between the main body and the tank; an oxygen intake incorporating oxygen into the electrolytic solution in the way of circulation of the electrolytic solution; and a pipe arrangement connecting the tank, the pump, the oxygen intake and the main body so that the electrolytic solution circulates in the order thus named, wherein the oxygen intake has an oxygen selective permeable membrane.