Abstract: A method for producing a lithium-nickel composite oxide includes a step of sintering molded bodies of a mixture including a lithium-containing compound and a nickel-containing compound, in a container, to obtain sintered bodies. The ratio of space occupied by gaps between the molded bodies is 0.375 or greater.

Abstract: This positive electrode material comprises a lithium transition metal complex oxide which contains at least 80 mol % Ni in terms of the total mol number of metal elements excluding Li, and which has a total Co content of less than 5 mol %. The lithium transition metal complex oxide is formed as secondary particles obtained by aggregating primary particles, wherein at least one element A selected from Ca and Sr is present on the surface of the primary particles in the amount of 0.01-1 mol %, inclusive, in terms of the total mol number of the metal elements excluding Li. In addition, at least one element B selected from B, Zr, W, Al, Nb, Mo, and Ti is present on the surface of the secondary particles in the amount of 0.05-2 mol %, inclusive, in terms of the total mol number of the Ni in the complex oxide.

Abstract: A method for producing a lithium-transition metal composite oxide, including steps of: preparing a mixture including a lithium-containing compound and a transition metal compound; obtaining a molded body of the mixture; and sintering the molded bodies in a container having at least one vent hole, to obtain sintered bodies.

Abstract: A method for producing a lithium-transition metal composite oxide includes steps of preparing a first mixture including a lithium-containing compound and a transition metal compound, obtaining a compressed body by compressing the first mixture at least once, obtaining a molded body by molding at least the compressed body, and obtaining a sintered body by sintering the molded body.

Abstract: A method for producing a lithium-containing composite oxide, the method including: a first step of preparing a lithium hydroxide; a second step of heating a hydroxide containing nickel and a metal M1 other than lithium and nickel to 300° C. or higher and 800° C. or lower, to obtain a composite oxide containing the nickel and the metal M; a third step of mixing the lithium hydroxide and the composite oxide, to obtain a mixture; a fourth step of compression-molding the mixture, to obtain a molded body; and a fifth step of baking the molded body at 600° C. or higher and 850° C. or lower, to obtain a baked body.

Abstract: A solar cell module in the present invention includes: a wiring member electrically connecting solar cell elements to each other; and a structure in which a solder bonding portion is formed by bonding a collecting electrode, which is provided on a light receiving surface of the solar cell element, extends in a first direction parallel to the wiring member, and has a width smaller than that of the wiring member in a cross section vertical to the first direction, and the wiring member together by melting solder, a cross-sectional shape of the solder bonding portion vertical to the first direction has a shape that gradually narrows toward the collecting electrode from a lower surface of the wiring member, and a side surface of the solder bonding portion and a side surface of the wiring member are covered with a thermosetting resin.

Abstract: A solar cell module in the present invention includes: a wiring member electrically connecting solar cell elements to each other; and a structure in which a solder bonding portion is formed by bonding a collecting electrode, which is provided on a light receiving surface of the solar cell element, extends in a first direction parallel to the wiring member, and has a width smaller than that of the wiring member in a cross section vertical to the first direction, and the wiring member together by melting solder, a cross-sectional shape of the solder bonding portion vertical to the first direction has a shape that gradually narrows toward the collecting electrode from a lower surface of the wiring member, and a side surface of the solder bonding portion and a side surface of the wiring member are covered with a thermosetting resin.

Abstract: This invention provides a dripping nozzle device to produce ADU particles with good sphericity, a device for recovering a feedstock liquid to prepare a uniform feedstock liquid, a device for supplying a feedstock liquid to form drops with a uniform volume, a device for solidifying the surfaces of drops so that the drops will not deform easily when they fall onto and hit the surface of an aqueous ammonia solution, a device for circulating an aqueous ammonia solution so that the uranyl nitrate in the drops can be changed to ammonium diuranate completely, to such an extent that uranyl nitrate in the center of each drop is changed to ammonium diuranate, and an apparatus for producing ammonium diuranate particles with good sphericity. The dripping nozzle device is provided with a single vibrator to vibrate nozzles simultaneously. The device for recovering a feedstock liquid recovers the feedstock liquid remaining in the nozzles and mixes it with a fresh feedstock liquid.

Abstract: [PROBLEMS] To provide an apparatus for manufacturing high quality coated fuel particles by optimizing the design of gas inlet channels and nozzle openings so as to stabilize and uniformize the feeding of a coating material mixed gas into a reaction vessel. [MEANS FOR SOLVING PROBLEMS] The apparatus comprises a fluidized-bed reaction vessel having a gas inlet nozzle at the bottom of the vessel for forming a multilayered coating on each of the surfaces of UO2 fuel kernels by introducing a coating material mixed gas containing a coating gas and a fluidizing gas from the gas inlet nozzle to the interior thereof under a heated environment while the fuel kernels are fluidized.

Abstract: This invention provides a dripping nozzle device to produce ADU particles with good sphericity, a device for recovering a feedstock liquid to prepare a uniform feedstock liquid, a device for supplying a feedstock liquid to form drops with a uniform volume, a device for solidifying the surfaces of drops so that the drops will not deform easily when they fall onto and hit the surface of an aqueous ammonia solution, a device for circulating an aqueous ammonia solution so that the uranyl nitrate in the drops can be changed to ammonium diuranate completely, to such an extent that uranyl nitrate in the center of each drop is changed to ammonium diuranate, and an apparatus for producing ammonium diuranate particles with good sphericity. The dripping nozzle device is provided with a single vibrator to vibrate nozzles simultaneously. The device for recovering a feedstock liquid recovers the feedstock liquid remaining in the nozzles and mixes it with a fresh feedstock liquid.