Abstract: A thermal conduction sheet holder include, in the following order, an elongated carrier film, a plurality of thermal conduction sheets, and an elongated cover film covering the plurality of thermal conduction sheets, the shortest distance between adjacent thermal conduction sheets is 2 mm or more, the plurality of thermal conduction sheets are disposed at intervals in a longitudinal direction of the carrier film and the cover film, and the plurality of thermal conduction sheets are peelable from the cover film and the carrier film.

Abstract: An anode material for a lithium-ion secondary battery, includes a carbon material satisfying the following (1) and (2): (1) D90/D10 of a particle size on a volume basis is larger than 2.0 and less than 4.3; (2) N/S, which is a value obtained by dividing a number N of particles with an equivalent circle diameter of 5 ?m or less based on a number standard in a total number of measured particles of 10,000, by a specific surface area S determined by nitrogen adsorption measurement at 77 K, is 750 (particles·g/cm2) or more.

Abstract: A negative electrode material for a lithium-ion secondary battery includes composite particles, each of the composite particles having a structure in which plural flat graphite particles are stacked, wherein the composite particles have a particle size distribution D90/D10 of from 2.0 to 5.0, or wherein the plural flat graphite particles have a particle size distribution D90/D10 of from 2.0 to 4.4.

Abstract: An anode material for a lithium ion secondary battery including a carbon material satisfying the following (1) to (3), (6), and (7): (1) an average particle size (D50) is 22 ?m or less, (2) D90/D10 of particle sizes is 2.2 or less, (3) a linseed oil absorption amount is 50 mL/100 g or less, (6) a portion of the carbon material with a sphericity of from 0.6 to 0.8 and a particle size of from 10 ?m to 20 ?m is 5% by number or more, and (7) a portion of the carbon material with the sphericity of 0.7 or less and a particle size of 10 ?m or less is 0.3% by number or less.

Abstract: An anode material for a lithium ion secondary battery including a carbon material satisfying the following (1) to (3), (6), and (7): (1) an average particle size (D50) is 22 ?m or less, (2) D90/D10 of particle sizes is 2.2 or less, (3) a linseed oil absorption amount is 50 mL/100 g or less, (6) a portion of the carbon material with a sphericity of from 0.6 to 0.8 and a particle size of from 10 ?m to 20 ?m is 5% by number or more, and (7) a portion of the carbon material with the sphericity of 0.7 or less and a particle size of 10 ?m or less is 0.3% by number or less.

Abstract: Provided is an anode material for a lithium ion secondary battery, which the anode material satisfies at least one of the following (1) or (2). (1) The anode material includes: a first carbon material as a core; and a second carbon material present on at least a part of a surface of the first carbon material, and having a crystallinity lower than the crystallinity of the first carbon material; and the anode material has at least two peaks within the range of from 395 eV to 405 eV in an X-ray photoelectron spectrum thereof. (2) The anode material has an R value of from 0.1 to 1.0, and has at least two peaks within the range of from 395 eV to 405 eV in an X-ray photoelectron spectrum thereof.