Abstract: An electrode for all-solid-state secondary batteries which enables the achievement of a practicable all-solid-state secondary battery even if an electrode active material layer does not contain a solid electrolyte which has been an essential ingredient for conventional electrodes for all-solid-state secondary batteries; and a practicable all-solid-state secondary battery which uses an electrode in which an electrode active material layer does not contain a solid electrolyte. The all-solid-state secondary battery includes a positive electrode, a solid electrolyte layer and a negative electrode, the positive electrode and/or the negative electrode has an electrode active material layer on a collector, the electrode active material layer contains an electrode active material and a binder resin; the binder resin contains a polyimide resin; and the electrode active material layer does not contain a solid electrolyte, while containing a lithium salt that has a solubility of 0.

Abstract: An electrode binder resin composition containing a polyamic acid, a water-soluble polymer other than the polyamic acid, and a solvent. The use of the electrode binder resin composition improves cyclic characteristics.

Abstract: A power storage device including a negative electrode active material layer which contains carbon particles, silicon-based particles and a polyimide-based binder, in which the negative electrode active material layer has a porosity of more than 40%. The power storage device has a high charge/discharge capacity and excellent cycle characteristics.

Abstract: This power storage device uses a negative electrode active material layer which contains a negative electrode active material containing silicon-based particles and a polyimide-based binder, wherein the negative electrode active material layer has a porosity of less than 20%. This power storage device has a high charge/discharge capacity and excellent cycle characteristics.

Abstract: A battery separator 100 of one aspect of the present invention includes a sheet-shaped or film-shaped porous substrate 20 and an aliphatic polycarbonate containing layer 10 covering one surface or both surfaces of the substrate 20. According to this battery separator, since the aliphatic polycarbonate containing layer 10 covering one surface or both surfaces of the substrate 20 is provided, it is possible to reliably prevent or suppress deterioration of battery characteristics due to at least overdischarge. In addition, since the substrate 20 constitutes the battery separator 100 together with the aliphatic polycarbonate containing layer 10, the mechanical strength as a battery separator can be improved.

Abstract: To provide information useful to a variety of users engaged in real estate transactions. Provided is an information processing device including a graph rendering unit that renders a graph expressing an anticipated transaction price of a second real estate property, based on actual transaction prices and required transaction times of a first real estate property already bought or sold, and a display control unit that causes the graph to be displayed on a client device, wherein the graph includes an element expressing a probability distribution of the anticipated transaction price, and an element expressing an anticipated required transaction time corresponding to the anticipated transaction price.

Abstract: A gallium arsenide crystal substrate has a diameter not smaller than 150 mm and not greater than 205 mm and a thickness not smaller than 300 ?m and not greater than 800 ?m and includes any of a flat portion and a notch portion. In any of a first flat region and a first notch region, when an atomic concentration of silicon is not lower than 3.0×1016 cm?3 and not higher than 3.0×1019 cm?3, the gallium arsenide crystal substrate has an average dislocation density not lower than 0 cm?2 and not higher than 15000 cm?2, and when an atomic concentration of carbon is not lower than 1.0×1015 cm?3 and not higher than 5.0×1017 cm?3, the gallium arsenide crystal substrate has an average dislocation density not lower than 3000 cm?2 and not higher than 20000 cm?2.

Abstract: The gallium arsenide single crystal substrate has a circular main surface, and when the diameter of the main surface of the gallium arsenide single crystal substrate is represented by D and the number of etch pits formed on the main surface by immersing the gallium arsenide single crystal substrate in molten potassium hydroxide at 500° C. for 10 minutes is counted, the number C1 of etch pits in a first circular region having a diameter of 0.2D around the center of the main surface is 0 or more and 10 or less.

Abstract: An electrode binder resin composition containing a polyamic acid, a water-soluble polymer other than the polyamic acid, and a solvent. The use of the electrode binder resin composition improves cyclic characteristics.

Abstract: An electrode for an all-solid secondary battery, including an electrode active material layer comprising an electrode active material and a binder resin on a current collector, the binder resin including a polyimide resin, and the electrode active material layer does not contain an electrolyte; and an all-solid secondary battery, including the electrode as a positive electrode or a negative electrode.

Abstract: An object of the present disclosure is to provide a secondary battery having excellent cyclability by using a sulfur-based active material as a negative-electrode active material while preventing a reaction between an eluted polysulfide and a positive electrode. The metal-ion secondary battery comprises a negative electrode comprising a sulfur-containing compound as a negative-electrode active material, a positive electrode and an electrolyte, and has a polymer gel layer on a surface of the positive electrode.

Abstract: The gallium arsenide single crystal substrate has a circular main surface, and when the diameter of the main surface of the gallium arsenide single crystal substrate is represented by D and the number of etch pits formed on the main surface by immersing the gallium arsenide single crystal substrate in molten potassium hydroxide at 500° C. for 10 minutes is counted, the number C1 of etch pits in a first circular region having a diameter of 0.2D around the center of the main surface is 0 or more and 10 or less.

Abstract: The present invention provides a zirconium-containing alcohol solution including zirconium oxyacetate, a C1-3 carboxylic acid or a C1-3 carboxylate, water, and an alcohol-based solvent, the zirconium-containing alcohol solution being such that the transmittance for light of a wavelength of 380 nm after heating for 50 hours at a temperature of 40° C. is 90-100%.

Abstract: Provided is a lithium ion battery whose manufacturing process is simple and which has high energy density and heat resistance.

Abstract: A positive electrode for a lithium ion secondary battery that includes a positive electrode combination material having a positive electrode active material that produces a potential of 4.5 V or higher on the basis of metal lithium; a conduction aid; and a binder. The binder contains an aqueous binder as its main constituent, and the sum SE of the surface area SA of the positive electrode active material in the positive electrode combination material and the surface area SC of the conduction aid therein is 90 to 400 cm2/cm2 per unit coated area of the positive electrode combination material.

Abstract: A gallium arsenide crystal substrate has a diameter not smaller than 150 mm and not greater than 205 mm and a thickness not smaller than 300 ?m and not greater than 800 ?m and includes any of a flat portion and a notch portion. In any of a first flat region and a first notch region, when an atomic concentration of silicon is not lower than 3.0×1016 cm?3 and not higher than 3.0×1019 cm?3, the gallium arsenide crystal substrate has an average dislocation density not lower than 0 cm?2 and not higher than 15000 cm?2, and when an atomic concentration of carbon is not lower than 1.0×1015 cm?3 and not higher than 5.0×1017 cm?3, the gallium arsenide crystal substrate has an average dislocation density not lower than 3000 cm?2 and not higher than 20000 cm?2.

Abstract: An object of the present disclosure is to provide a secondary battery having excellent cyclability by using a sulfur-based active material as a negative-electrode active material while preventing a reaction between an eluted polysulfide and a positive electrode. The metal-ion secondary battery comprises a negative electrode comprising a sulfur-containing compound as a negative-electrode active material, a positive electrode and an electrolyte, and has a polymer gel layer on a surface of the positive electrode.

Abstract: An object of the present invention is to provide a method of manufacturing a high capacity lithium ion battery device by safe and simple doping operation. A method of manufacturing a lithium ion battery device comprising a positive electrode and a negative electrode which are laminated with each other, wherein an active material used on the positive electrode is a sulfur-based active material having a total sulfur content of not less than 50% by mass measured by an elementary analysis, the method comprising: a step of forming through-holes penetrating in a thickness direction of the positive electrodes and the negative electrodes, a step of laminating the positive electrodes with the negative electrode and disposing a lithium ion feeding source on at least one side of a laminating direction, and a step of allowing lithium derived from the lithium ion feeding source to be carried on the positive electrode and the negative electrode.

Abstract: This binder for use in a positive electrode for a lithium ion secondary battery contains a copolymer of both vinyl alcohol and an alkali-metal-neutralized ethylenically unsaturated carboxylic acid.

Abstract: A negative electrode mixture for a nonaqueous electrolyte secondary cell according to the present invention includes: a negative electrode active material; a conductive assistant; and a binder. The binder contains a copolymer of vinyl alcohol and an alkali metal-neutralized product of ethylene-unsaturated carboxylic acid.