Abstract: A method for manufacturing a sulfuric acid solution includes supplying a chloride ion-containing sulfuric acid solution as an initial electrolyte in an electrolyzer inside of which is divided into an anode chamber and a cathode chamber by a diaphragm; and subsequently taking out a metal dissolved electrolyte in which a metal constituting the anode is dissolved from the anode chamber while supplying a current to an anode and a cathode disposed in the electrolyzer.

Abstract: A method produces a positive electrode active material that does not impair the original battery characteristics of the positive electrode active material. The method can improves water resistance, and suppress the gelation of a positive electrode mixture material paste. The method for producing a positive electrode active material for nonaqueous electrolyte secondary batteries can include a mixing step of preparing a mixture including fine carbon particles, an organic dispersant, a hydrophobic coat forming agent, an organic solvent, and positive electrode active material particles, a drying step of drying the mixture to obtain the mixture containing the organic solvent in a reduced amount, and a heat treatment step of heat-treating the mixture containing the organic solvent in the reduced amount to obtain a coated positive electrode active material.

Abstract: A surface-treated infrared absorbing fine particle dispersion liquid wherein surface-treated infrared absorbing fine particles are dispersed in a liquid medium, and are an infrared absorbing transparent substrate having a coating layer in which the surface-treated infrared absorbing fine particles.

Abstract: A positive electrode active material for nonaqueous electrolyte secondary batteries has a high charge/discharge capacity and produces high output, as well as has high filling ability. The positive electrode active material includes lithium-nickel composite oxide particles are formed by agglomeration of multiple primary particles, include pores, and have a layered crystal structure. The lithium-nickel composite oxide particles have an average particle size of 15 ?m or more and 30 ?m or less. The percentage of an area of the pores measured by a cross-sectional observation of the lithium-nickel composite oxide particles with respect to a cross-sectional area of the lithium-nickel composite oxide particles is 1.0% or more and 5.0% or less. A lithium-tungsten compound containing tungsten and lithium is present on the surface of and inside the secondary particles. The lithium-tungsten compound is present on at least part of the surface of the primary particles.

Abstract: A method for producing a nickel-containing hydroxide is provided that includes a particle growth step of promoting growth of nickel-containing hydroxide particles by neutralization crystallization in an aqueous solution accommodated in an agitation tank. In the particle growth step, a volume fraction of a highly supersaturated region in the aqueous solution where the molar concentration of the nickel-containing hydroxide dissolved in the aqueous solution is greater than or equal to 1.7 mol/m3 is less than 0.624% of the aqueous solution.

Abstract: [Object] An object is to provide a Sn—Zn—O-based oxide sintered body which has a mechanical strength, a high density, and a low resistance characteristic and which is applied as a sputtering target, and a method for producing the same. [Solving Means] In this oxide sintered body, Sn is contained with an atomic ratio of Sn/(Sn+Zn) being 0.1 or more and 0.9 or less, and a first additional element M is contained with an atomic ratio of M/(Sn+Zn+M+X) being 0.0001 or more and 0.04 or less relative to a total amount of all the metal elements, and a second additional element X is contained with an atomic ratio of X/(Sn+Zn+M+X) being 0.0001 or more and 0.

Abstract: A lithium compound with which a positive active material containing a decreased amount of magnetically attractable substances can be easily obtained while shortening the total time for production of a positive electrode for a nonaqueous electrolyte secondary battery. The lithium compound is used for producing a positive active material for a nonaqueous electrolyte secondary battery, with which a lithium transition metal composite oxide can be obtained by mixing the lithium compound with a transition metal composite hydroxide or the like obtained by crystallization reaction. A positive active material in which the amount of magnetically attractable substances contained is 0.02 mass ppm or less can be easily obtained while shortening the total time for production of the positive active material.

Abstract: Provided are a cathode active material having a suitable particle size and high uniformity, and a nickel composite hydroxide as a precursor of the cathode active material. When obtaining nickel composite hydroxide by a crystallization reaction, nucleation is performed by controlling a nucleation aqueous solution that includes a metal compound, which includes nickel, and an ammonium ion donor so that the pH value at a standard solution temperature of 25° C. becomes 12.0 to 14.0, after which, particles are grown by controlling a particle growth aqueous solution that includes the formed nuclei so that the pH value at a standard solution temperature of 25° C. becomes 10.5 to 12.0, and so that the pH value is lower than the pH value during nucleation.

Abstract: To provide: coated nickel-based lithium-nickel composite oxide particles which are able to be handled in the atmosphere and enable the achievement of a coating film of a lithium ion conductor having no adverse effects on battery characteristics; and a method for producing the coated nickel-based lithium-nickel composite oxide particles.

Abstract: A transition metal-containing composite hydroxide comprises secondary particles having: a center portion of fine primary particles; and an outer-shell portion having a high-density layer of plate-shaped primary particles formed outside the center portion, a low-density layer of the fine primary particles formed outside the high-density layer, and an outer-shell layer of the plate-shaped primary particles formed outside the low-density layer. The composite hydroxide is obtained by a method comprising a nucleation step in an oxidizing atmosphere and a particle growth step, the particle growth step comprising: a first stage of maintaining the oxidizing atmosphere; a second stage of switching to and maintaining a non-oxidizing atmosphere; a third stage of switching again to and maintaining the oxidizing atmosphere; and a fourth stage of switching again to and maintaining the non-oxidizing atmosphere.

Abstract: The present invention has an object to provide a positive electrode active material for a non-aqueous electrolyte secondary battery which not only suppresses gelation of a positive electrode mixed material paste upon producing the non-aqueous electrolyte secondary battery but also improves the stability thereof. Provided is the positive electrode active material represented by general formula LisNi1?x?y?zCoxMnyMzO2+? (0?x?0.35, 0?y?0.35, 0?z?0.10, 0.95<s<1.30, and 0???0.2, and M represents at least one element selected from V, Mg, Mo, Nb, Ti, W, and Al) and containing secondary particles formed by agglomeration of primary particles, wherein at least part of the surface of the primary particles thereof is covered with a lithium boron compound, and the amount of redundant lithium hydroxide of the positive electrode active material measured with a neutralization titration is at least 0.003% by mass and up to 0.5% by mass relative to the total of the positive electrode active material.

Abstract: Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from petroleum-based solvents; near infrared absorbing fine particles in an amount of 2 mass % or more and 25 mass % or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XBa, and a dispersant soluble in the solvent and having a fatty acid in its structure, and an anti-counterfeit ink composition containing the near infrared absorbing fine particle dispersion liquid.

Abstract: A positive electrode for a lithium ion secondary battery includes a positive electrode composite material layer. The positive electrode composite material layer includes composite particles and electron conductive particles. The composite particles include positive electrode active material particles and a coating film. The coating film is formed on the surface of the positive electrode active material particles. The coating film contains a first electron conductive oxide. The electron conductive particles are dispersed in the positive electrode composite material layer. The electron conductive particles contain a second electron conductive oxide. Each of the first electron conductive oxide and the second electron conductive oxide has a perovskite structure.

Abstract: A composite tungsten oxide film having high film smoothness, with a function to shield infrared light by reflecting infrared light by a thermal insulation, while maintaining transparency in a visible light region, and a method for manufacturing the composite tungsten oxide film, and a film-deposited base material or an article using these functions. A composite tungsten oxide film including a composition with a general formula MxWyOz as main components, wherein 0.001?x/y?1, 2.2?z/y?3.0, organic components are not contained substantially, a transmittance in a wavelength of 550 nm is 50% or more, a transmittance in a wavelength of 1400 nm is 30% or less, and also, a reflectance in a wavelength of 1400 nm is 35% or more.

Abstract: An anti-counterfeit ink composition, an anti-counterfeit ink, and an anti-counterfeit printed matter that transmits a visible light region, having absorption in an infrared region, and capable of judging authenticity of the printed matter, and there is provided an anti-counterfeit ink composition, an anti-counterfeit ink, an anti-counterfeit printed matter, and a method for producing the anti-counterfeit ink composition, wherein a value of an XRD peak top intensity ratio of the composite tungsten oxide ultrafine particles is 0.13 or more when a value of the XRD peak intensity is set to 1, with plane of a silicon powder standard sample (640c produced by NIST) as a reference.

Abstract: Provided are: an alloy powder that can be obtained from a waste lithium ion battery, wherein the alloy powder can be dissolved in an acid solution and enables recovery of metals contained in the alloy powder; and a method for producing the alloy powder. This alloy powder contains Cu and at least one of Ni and Co as constituent components, wherein a portion having a higher concentration of the at least one of Ni and Co than the average concentration in the entire alloy powder is distributed on at least the surface, and the phosphorus grade is less than 0.1% by mass. The method for producing the alloy powder includes a powdering step for powdering a molten alloy using a gas atomization method, the molten alloy containing Cu and at least one of Ni and Co as constituent components and having a phosphorus grade of less than 0.1% by mass.

Abstract: Disclosed herein is a method for efficiently producing a cathode active material for a lithium ion secondary battery excellent in battery performance such as initial discharge capacity. The cathode active material for a lithium ion secondary battery is produced from spherical particles made of a lithium nickel cobalt composite oxide represented by a general formula: LizNi1?x?yCoxMyO2 (wherein M is at least one element selected from among Mn, V, Mg, W, Mo, Nb, Ti, and Al and x, y, and z satisfy 0<x?0.35, 0?y?0.35, and 0.97?z?1.20, respectively) and having a volume average particle diameter MV in a range of preferably 8 to 30 ?m, wherein an area ratio of a lithium compound unevenly distributed on surfaces of the particles in a SEM image is 5% or less. The spherical particles preferably have a crystallite diameter in a range of 50 to 200 ? as determined from a full width at half maximum, FWHM of diffraction peak of (003) plane obtained by X ray diffraction by using Sherrer formula.

Abstract: A positive electrode active material for a nonaqueous electrolyte secondary battery contains a first lithium-metal composite oxide represented by General Formula: Lis1Ni1-x1-y1-z1Cox1Mny1Mz1O2+? and containing a secondary particle formed of a plurality of flocculated primary particles and either one or both of a first compound containing lithium and boron and a second compound containing lithium and tungsten. Either one or both of the following characteristics (1) and (2) are satisfied: (1) the first compound covers surfaces of the primary particles, and a boron content is at least 0.01% by mass and up to 0.5% by mass relative to the entire positive electrode active material; and (2) the second compound covers the surfaces of the primary particles, and a tungsten content is at least 0.01% by mass and up to 1.0% by mass relative to the entire positive electrode active material.

Abstract: To provide a copper-clad laminate which maintains adhesion between a resin film and a conductor layer and which suppresses the occurrence of wrinkles. A copper-clad laminate has a base film containing a thermoplastic resin, an underlying metal layer film-formed on a surface of the base film by a dry plating method, and a copper layer film-formed on a surface of the underlying metal layer. The underlying metal layer has a mean thickness of 0.3 to 1.9 nm. Since the underlying metal layer has a mean thickness of 0.3 nm or more, it is possible to maintain adhesion between the base film and a conductor layer. Since the underlying metal layer has a mean thickness of 1.9 nm or less, it is possible to suppress an increase in the temperature of a film during film-forming of the underlying metal layer, and it is possible to suppress the occurrence of wrinkles.

Abstract: A positive electrode active material includes secondary particles. The secondary particles include a plurality of primary particles. The primary particles include a lithium-containing composite metal oxide. Inside the secondary particles, an electron conducting oxide is disposed at at least a part of a grain boundary between the primary particles. The electron conducting oxide has a perovskite structure.