Abstract: A main object of the present disclosure is to provide an anode active material with excellent capacity properties. The present disclosure achieves the object by providing an anode active material to be used in an alkaline storage battery, the anode active material including: a base material containing Ti and Cr, and including a BCC structure as a metastable phase; and a coating layer that coats the base material, and contains a catalyst metal and a metal with oxygen affinity that is more than oxygen affinity of Ti; wherein an oxide film is present in an interface between the coating layer and the base material; and when a first thickness TA (nm) and a second thickness TB(nm) of the oxide film are determined by Auger electron spectroscopy, a rate of the TA with respect to the TB, which is TA/TB is, for example, 1.50 or more.

Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery including an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also contains a polymer, is arranged between the anode current collector and the solid electrolyte layer; and a contacting area rate in an interface between the solid electrolyte layer and the protective layer is 50% or more.

Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery comprising an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also containing a polymer, is arranged between the anode current collector and the solid electrolyte layer.

Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery comprising an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also containing a polymer, is arranged between the anode current collector and the solid electrolyte layer; the solid electrolyte layer contains a solid electrolyte in a granular shape; and when X designates an average particle size D50 of the solid electrolyte and Y designates an average thickness of the solid electrolyte layer, X/Y is 0.0125 or more and 0.02 or less.

Abstract: To improve the capacity of an all-solid-state battery, a method of manufacturing an all-solid-state battery having a cathode that contains sulfur include: performing initial charge and discharge separately at least in three cycles until a capacity of the battery reaches a design capacity, wherein a charge discharge capacity in a first cycle is at most 30% of the design capacity, and charge and discharge in a second cycle and after are performed, so that a charge discharge capacity in an n-th cycle is increased at least 1.15 times as much as a charge discharge capacity in an (n-1)-th cycle.

Abstract: A composite material of formula (I) is provided: (LPS)a(MPS)b??(I) wherein each of a and b is a mass % value from 1% to 99% such that a+b is 100%; (LPS) is a material selected from the group consisting of Li3PS4, Li7P3S11, Li10GeP2S11, and a material of formula (II): xLi2S.yP2S5.(100?x?y)LiX??(II) wherein X is I, Cl or Br, each of x and y is a mass % value of from 33.3% to 50% such that x+y is from 75% to 100% and the total mass % of Li2S, P2S5 and LiX is 100%; and (MPS) is a material of formula (III): mLi2S.nMS.oP2S5.(100?m?n?o)LiX??(III) wherein MS is a transition metal sulfide or a semi metal sulfide, X is I, Cl or Br, each of m, n and o is a mass % value greater than 0 such that (m+n+o) is from 75% to 100% and the total mass % of Li2S, P2S5 and LiX is 100%. Solid state batteries containing the composite material are also provided.

Abstract: A composite material of formula (I) is provided: (LPS)a(MPS)b ??(I) wherein each of a and b is a mass % value from 1% to 99% such that a+b is 100%; (LPS) is a material selected from the group consisting of Li3PS4, Li7P3S11, Li10GeP2S11, and a material of formula (II): xLi2S.yP2S5.(100-x-y)LiX ??(II) wherein Xis I, Cl or Br, each of x and y is a mass % value of from 33.3% to 50% such that x+y is from 75% to 100% and the total mass % of Li2S, P2S5 and LiX is 100%; and (MPS) is a material of formula (III): mLi2S.nMS.oP2S5.(100-m-n-o)LiX ??(III) wherein MS is a trasnsition metal sulfide or a semi metal sulfide, X is I, Cl or Br, each of m, n and o is a mass % value greater than 0 such that (m+n+o) is from 75% to 100% and the total mass % of Li2S, P2S5 and LiX is 100%. Solid state batteries containing the composite material are also provided.

Abstract: Provided is a device for controlling an alkali storage battery including a positive electrode, a negative electrode, and an ion conductor layer that is filled between the positive electrode and the negative electrode. The negative electrode contains a composite alloy that contains a hydrogen storage alloy and a coating layer containing a TiPd phase as a major component, the hydrogen storage alloy has a BCC structure containing Ti and V, a surface of the hydrogen storage alloy is coated with the coating layer, and the TiPd phase contains Ti and Pd at a molar ratio Ti:Pd of 1:1. The device includes a controller. In a case where the voltage of the alkali storage battery is the predetermined voltage or higher, discharging is continued without any change, in a case where the voltage of the alkali storage battery is lower than the predetermined voltage, the discharging is stopped.

Abstract: Novel hydrogen storage alloy particles which include vanadium which can reduce dissolution of vanadium to an alkali aqueous solution over a plurality of charging and discharging cycles when used for a negative electrode of an alkali storage battery are provided. Hydrogen storage alloy particles which contain titanium and vanadium as main components and which have an oxide layer which contains titanium oxide on their surface, the oxide layer having a thickness of 6.2 nm or more, are provided.

Abstract: An object of the present invention is to provide a method for manufacturing a semiconductor film capable of manufacturing a ZnMgO film in which the adding amount of Mg to Zn is more than 20 mol %, by means of a liquid phase deposition method. The present invention is a method for manufacturing a semiconductor film including a first step of preparing a mixture liquid including zinc hydroxide, magnesium hydroxide, and a liquid, a second step of applying a member to be film-deposited to the mixed liquid, and a third step of heating the member to be film-deposited to which the mixed liquid is applied, having a temperature range from 300° C. to 400° C. for 100/30 minutes or less.

Abstract: The invention provides a metal hydride that has a main phase having a body-centered cubic structure, and that has a grain boundary phase including Ti and Ni. The metal hydride satisfies X/Y?2.7, where X is the number of intersections between circles of a diameter equal to or greater than 84 ?m and the grain boundary phase that appears in a scanning electron microscopy observation image of the metal hydride, before storage of hydrogen, the intersections being obtained by drawing the circles over the entire scanning electron microscopy observation image, and Y is the number of the circles drawn on the scanning electron microscopy observation image.

Abstract: A method of manufacturing a ZnMgO film includes the steps of in order: dissolving a zinc material and a magnesium material in an aqueous ammonia solution having a temperature at which, in an aqueous solution state diagram which represents ion concentrations on a vertical axis and pH on a horizontal axis, a line a demarcated by a region where Zn(OH)2 precipitates and a region where ZnO22? can exist is positioned on a low pH side from a line ? demarcated by a region where magnesium ions can exist and a region where Mg(OH)2 precipitates, and adjusting the pH of the aqueous ammonium solution and the zinc ion concentration and magnesium ion concentration in the aqueous ammonia solution within a region lying between the line a and line ?; elevating the temperature of the aqueous ammonia solution to a temperature at which Zn(OH)2 and Mg(OH)2 precipitate; and firing the precipitate.

Abstract: A main object of the present invention is to provide a method for producing an anode material which enhances the reversibility of the conversion reaction and the cycle characteristics of lithium secondary batteries. The object is attained by providing a method for producing an anode material that is used in a lithium secondary battery, comprising a mechanical milling step of micronizing a raw material composition containing MgH2 by mechanical milling.

Abstract: An anode material for use in a metal secondary battery contains MgH2, and a metal catalyst which is in contact with the MgH2 and improves the reversibility of a conversion reaction. The metal secondary battery includes a cathode active material layer, an anode active material layer, and an electrolyte layer that is formed between the cathode active material layer and the anode active material layer, and the anode active material layer contains the anode material. A method for the production of an anode material for use in a metal secondary battery includes a contacting step of contacting MgH2 with a metal catalyst which improves the reversibility of a conversion reaction.

Abstract: A hydrogen storage structure, of which a hydrogen absorption amount is large and a hydrogen absorption rate in the vicinity of room temperature is fast, is provided. The hydrogen storage structure comprises a hydrogen absorption layer, which includes Mg or a Mg-based hydrogen absorption alloy, and hydrogen diffusion layers, which are disposed so as to sandwich the hydrogen absorption layer and include a hydrogen diffusion material.