Abstract: Provided is a PTFE powder that is in a dry state, wherein the percentage of fibrous particles which have an aspect ratio of 1.5 or higher with respect to all particles is 20-60%, and the average major axis size of the fibrous particles is 1-20 ?m. A PTFE powder according to another embodiment of the present invention is in a dry state, wherein the percentage of fibrous particles which have an aspect ratio of 5 or higher with respect to all particles is 60% or more, and the average minor axis size of the fibrous particles is 1-20 ?m.

Abstract: A lens for spectacles and spectacles a resin and a near-infrared absorbing agent having a maximum absorption wavelength in a thiourethane resin in a range of more than 700 nm and 1000 nm or less and a transmittance of light at 400 nm of 50% or more and 100% or less.

Abstract: With respect to this electrode, the coverage of the surface of a coated active material by a conductive material is from 10% to 60%; the mixture resistance of a electrode mixture material is 20 ?cm or less in cases where the electrode mixture material is divided into three equal parts in the thickness direction, namely into a first region, a second region and a third region from a core material side, the content (a) of a PTFE powder in the first region, the content (b) of the PTFE powder in the second region and the content (c) of the PTFE powder in the third region satisfy ?10%?(c?a)/(a+b+c)?10%.

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 secondary battery electrode is provided with a core material configured from a metal foil that softens at less than or equal to 200° C. and an electrode mixture sheet which is bonded on the surface of the core material. The electrode mixture sheet includes an active material and a fibrous binder, and the active material bites into the core material, with the maximum bite depth at least 30% of the thickness of the core material. The fibrous binder may for example have polytetrafluoroethylene as the main component.

Abstract: This electrode for secondary batteries is provided with a core material and an electrode mixture sheet that is bonded to the surface of the core material. The electrode mixture sheet contains an active material, a fibrous first binder and a particulate second binder; and the second binder is mainly composed of a polyvinylidene fluoride, while having a volume-based median diameter of 50 µm or less. The first binder is mainly composed, for example, of a polytetrafluoroethylene.

Abstract: According to this method for producing an electrode, a fibrous binder is produced by fibrillating a particulate binder, which has a volume-based median diameter of from 5 to 100 µm, by means of the application of a shear force, and an electrode mixture is produced by mixing the fibrous binder with an active material, said electrode mixture having a solid content concentration of substantially 100%. It is preferable that the fibrillation is carried out so that the breaking peripheral velocity ratio of the electrode mixture is 8 or more. In addition, an electrode mixture sheet is produced by shaping the electrode mixture into a sheet form by rolling, and the electrode mixture sheet is subsequently bonded to a core material.

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: An electronic apparatus includes: a board accommodating portion that accommodates a board in a horizontally placed state, the board accommodating portion provided inside a housing; an intake opening provided in a right side plate of the housing and communicating with the board accommodating portion; an exhaust opening provided in a rear plate of the housing; a cooling fan provided in such a way as to face the exhaust opening; and a backboard that is a partition between the board accommodating portion and a fan accommodating portion that accommodates the cooling fan, in which a left side portion and a right side portion of the backboard have a left side vent and a right side vent through which the board accommodating portion and the fan accommodating portion communicate with each other.

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: Provided is a battery negative electrode material exhibiting both a merit of high specific capacity obtained by using Si, and a merit of high cycle durability obtained by using a non-graphitizable carbon material. Specifically, provided is a negative electrode material (1) of a battery that includes silicon material areas (10) made of a silicon material, and a carbon material area (20) made of a carbon material. The carbon material area (20) is formed in a surrounding area of the silicon material area (10), separated by a cavity (30) at least at a portion. In addition, an (002) average interlayer spacing d002 of the carbon material area (20) determined by powder X-ray diffraction is from 0.365 nm to 0.390 nm.

Abstract: A negative electrode material for a non-aqueous electrolyte secondary battery includes: a lithium silicate phase including lithium silicate particles; silicon particles dispersed in the lithium silicate phase; and a low-melting point inorganic oxide that has a lower melting point than lithium silicate forming the lithium silicate particles, and that is solid at room temperature. The lithium silicate particles and the silicon particles form a particle agglomerate, and the low-melting point inorganic oxide is filled in at least a portion of voids included in the particle agglomerate.

Abstract: A negative electrode material for a non-aqueous electrolyte secondary battery includes a plurality of composite particles. Each of the plurality of composite particles includes an inorganic particle and a carbonaceous material layer that covers the inorganic particle. The carbonaceous material layer includes a first region having a porosity of 4.7% or more and 34.8% or less, the first region being a region extending from the surface of the inorganic particle to the surface of an imaginary sphere that is centered at the center of the inorganic particle and has a radius of 3r, where r is a radius of the inorganic particle.

Abstract: A negative electrode material for a non-aqueous electrolyte secondary battery includes: a lithium silicate phase including lithium silicate particles; silicon particles dispersed in the lithium silicate phase; and a low-melting point inorganic oxide that has a lower melting point than lithium silicate forming the lithium silicate particles, and that is solid at room temperature. The lithium silicate particles and the silicon particles form a particle agglomerate, and the low-melting point inorganic oxide is filled in at least a portion of voids included in the particle agglomerate.

Abstract: A negative electrode material for a non-aqueous electrolyte secondary battery includes a plurality of composite particles. Each of the plurality of composite particles includes an inorganic particle, one or more covering layers, each of which is in contact with a surface of the inorganic particle, and a carbonaceous material layer that covers the inorganic particle and has voids. The carbonaceous material layer includes a first region having a porosity of 4.3% or more and 10.0% or less, the first region being a region extending from the surface of the inorganic particle to the surface of an imaginary sphere that is centered at the center of the inorganic particle and has a radius of 3r, where r is a radius of the inorganic particle. Each of the voids is separated by one of the one or more covering layers from the surface of the inorganic particle.

Abstract: Object: To provide a battery negative electrode material exhibiting both a merit of high specific capacity obtained by using Si, and a merit of high cycle durability obtained by using a non-graphitizable carbon material. Resolution Means: A negative electrode material (1) of a battery of the present invention includes silicon material areas (10) made of a silicon material, and a carbon material area (20) made of a carbon material. The carbon material area (20) is formed in a surrounding area of the silicon material area (10), separated by a cavity (30) at least at a portion. In addition, an (002) average interlayer spacing d002 of the carbon material area (20) determined by powder X-ray diffraction is from 0.365 nm to 0.390 nm.

Abstract: A sample treatment system includes a robot that includes a main body with a plurality of arms and a plurality of hand tools to be detachably attached to the plurality of arms, and a treatment instrument for treating a sample is disposed within the reach of the hand tools attached to the plurality of arms. The robot selects and puts on suitable hand tools according to a treatment to be performed on a sample to treat the sample.

Abstract: A negative electrode material for a non-aqueous electrolyte secondary battery includes a plurality of composite particles. Each of the plurality of composite particles includes an inorganic particle and a carbonaceous material layer that covers the inorganic particle. The carbonaceous material layer includes a first region having a porosity of 4.7% or more and 34.8% or less, the first region being a region extending from the surface of the inorganic particle to the surface of an imaginary sphere that is centered at the center of the inorganic particle and has a radius of 3r, where r is a radius of the inorganic particle.

Abstract: A negative electrode material for a non-aqueous electrolyte secondary battery includes a plurality of composite particles. Each of the plurality of composite particles includes an inorganic particle, one or more covering layers, each of which is in contact with a surface of the inorganic particle, and a carbonaceous material layer that covers the inorganic particle and has voids. The carbonaceous material layer includes a first region having a porosity of 4.3% or more and 10.0% or less, the first region being a region extending from the surface of the inorganic particle to the surface of an imaginary sphere that is centered at the center of the inorganic particle and has a radius of 3r, where r is a radius of the inorganic particle. Each of the voids is separated by one of the one or more covering layers from the surface of the inorganic particle.