Abstract: The present invention provides pitch-based ultrafine carbon fibers containing nitrogen atoms, wherein the average fiber diameter is more than 100 nm but not more than 900 nm; the content of the nitrogen atoms as determined by X-ray photoelectron spectroscopy (XPS) is 1.00% by atom or less; and the true density is from 1.95 to 2.20 g/cm3.

Abstract: The purpose of the present invention is to provide an electrode active material layer exhibiting excellent mechanical strength. This electrode material for a non-aqueous electrolyte secondary battery includes at least an electrode active material, a carbon-based conductive auxiliary agent, and a binder. The carbon-based conductive auxiliary agent has a linear structure, and includes ultra-fine fibrous carbon having an average fibre diameter of more than 200 nm but not more than 900 nm. The electrode material configures an electrode active material layer in which the maximum tensile strength (?M) in a planar direction and the tensile strength (?T) in an in-plane direction orthogonal to the maximum tensile strength (?M) satisfy relational expression (a), namely ?M/?T?1.6.

Abstract: The present invention provides: a fibrous carbon characterized in that the average effective fiber length is 1-100 ?m, and the crystallite length (La) measured using X-ray diffraction is 100-500 nm; an electrode mixture layer for a non-aqueous-electrolyte secondary cell, said mixture comprising an electrode active material and a carbon-based electroconductive auxiliary agent containing said fibrous carbon; an electrode for a non-aqueous-electrolyte secondary cell, the electrode comprising a collector and said electrode mixture layer for a non-aqueous-electrolyte secondary cell, the electrode mixture layer being laminated on the collector; and a non-aqueous-electrolyte secondary cell having said electrode for a non-aqueous-electrolyte secondary cell.

Abstract: The present invention provides an active material layer for an all-solid-state lithium secondary battery including at least an active material, a conductive aid, and a solid electrolyte, in which the active material layer has a gap, a ratio of the conductive aid in the active material layer is 0.1% by mass or more and less than 5.0% by mass, the conductive aid contains fibrous carbon having an average fiber diameter of 10 to 900 nm, and a ratio of the fibrous carbon in the conductive aid is 20% by mass or more.

Abstract: The present invention provides a carbon fiber aggregate that is characterized by comprising carbon fibers in which crystallite interplanar spacing (d002) measured using X-ray diffraction is 0.3400 nm or more, the average liber diameter being 10-900 nm, and the powder volume resistivity being 4.00×10?2 ?·cm or less when the packing density is 0.8 g/cm3.

Abstract: The present invention provides an electrode mixture layer for nonaqueous electrolyte secondary batteries, which contains an electrode active material, a carbon-based conductive agent containing fibrous carbon having an average effective length of 10 ?m, and a binder, and which has a thickness of 50 ?m or more. This electrode mixture layer has an inner layer portion where the fibrous carbon is three-dimensionally dispersed in a random manner.

Abstract: With the present invention a carbon fiber aggregate is provided that has an average fiber diameter of 100-1000 nm, and a fiber diameter variation coefficient (CV value) greater than 0.5 and less than or equal to 1.0.

Abstract: The present invention provides a heat dissipation sheet comprising fibrous carbon and a polymer, wherein: the fibrous carbon has an average effective fiber length of 5-120 ?m, an average fiber diameter of 200-900 nm, and an average aspect ratio of 30-10,000; and the heat dissipation sheet has a fibrous carbon content of 5-85% by mass with respect to the total amount of the fibrous carbon and the polymer.

Abstract: The present invention provides a carbon fiber aggregate that is characterized by comprising carbon fibers in which crystallite interplanar spacing (d002) measured using X-ray diffraction is 0.3400 nm or more, the average liber diameter being 10-900 nm, and the powder volume resistivity being 4.00×10?2 ?·cm or less when the packing density is 0.8 g/cm3.

Abstract: The purpose of the present invention is to provide an electrode active material layer exhibiting excellent mechanical strength. This electrode material for a non-aqueous electrolyte secondary battery includes at least an electrode active material, a carbon-based conductive auxiliary agent, and a binder. The carbon-based conductive auxiliary agent has a linear structure, and includes ultra-fine fibrous carbon having an average fibre diameter of more than 200 nm but not more than 900 nm. The electrode material configures an electrode active material layer in which the maximum tensile strength (?M) in a planar direction and the tensile strength (?T) in an in-plane direction orthogonal to the maximum tensile strength (?M) satisfy relational expression (a), namely ?M/?T?1.6.

Abstract: The purpose of the present invention is to provide an electrode active material layer exhibiting excellent mechanical strength. This electrode material for a non-aqueous electrolyte secondary battery includes at least an electrode active material, a carbon-based conductive auxiliary agent, and a binder. The carbon-based conductive auxiliary agent has a linear structure, and includes ultra-fine fibrous carbon having an average fibre diameter of more than 200 nm but not more than 900 nm. The electrode material configures an electrode active material layer in which the maximum tensile strength (?M) in a planar direction and the tensile strength (?T) in an in-plane direction orthogonal to the maximum tensile strength (?M) satisfy relational expression (a), namely ?M/?T?1.6.

Abstract: The present invention provides a heat dissipation sheet comprising fibrous carbon and a polymer, wherein: the fibrous carbon has an average effective fiber length of 5-120 ?m, an average fiber diameter of 200-900 nm, and an average aspect ratio of 30-10,000; and the heat dissipation sheet has a fibrous carbon content of 5-85% by mass with respect to the total amount of the fibrous carbon and the polymer.

Abstract: An electroconductive film for an actuator is formed from a gel composition including carbon nanofibers, an ionic liquid, and a polymer. The carbon nanofibers are produced with an aromatic mesophase pitch by melt spinning.

Abstract: The present invention provides: a fibrous carbon characterized in that the average effective fiber length is 1-100 ?m, and the crystallite length (La) measured using X-ray diffraction is 100-500 nm; an electrode mixture layer for a non-aqueous-electrolyte secondary cell, said mixture comprising an electrode active material and a carbon-based electroconductive auxiliary agent containing said fibrous carbon; an electrode for a non-aqueous-electrolyte secondary cell, the electrode comprising a collector and said electrode mixture layer for a non-aqueous-electrolyte secondary cell, the electrode mixture layer being laminated on the collector; and a non-aqueous-electrolyte secondary cell having said electrode for a non-aqueous-electrolyte secondary cell.

Abstract: An electroconductive film for an actuator is formed from a gel composition including carbon nanofibers, an ionic liquid, and a polymer. The carbon nanofibers are produced with an aromatic mesophase pitch by melt spinning.

Abstract: The present invention provides an electrode mixture layer for nonaqueous electrolyte secondary batteries, which contains an electrode active material, a carbon-based conductive agent containing fibrous carbon having an average effective length of 10 ?m, and a binder, and which has a thickness of 50 ?m or more. This electrode mixture layer has an inner layer portion where the fibrous carbon is three-dimensionally dispersed in a random manner.

Abstract: An electroconductive film for an actuator is formed from a gel composition including carbon nanofibers, an ionic liquid, and a polymer. The carbon nanofibers are produced with an aromatic mesophase pitch by melt spinning.

Abstract: A carbon fiber having a lattice spacing (d002) of 0.336 nm to 0.338 nm and a crystallite size (Lc002) of 50 nm to 150 nm as measured and evaluated by X-ray diffraction and a fiber diameter of 10 nm to 500 nm, the carbon fiber having no branched structure.

Abstract: The purpose of the present invention is to provide an electrode active material layer exhibiting excellent mechanical strength. This electrode material for a non-aqueous electrolyte secondary battery includes at least an electrode active material, a carbon-based conductive auxiliary agent, and a binder. The carbon-based conductive auxiliary agent has a linear structure, and includes ultra-fine fibrous carbon having an average fibre diameter of more than 200 nm but not more than 900 nm. The electrode material configures an electrode active material layer in which the maximum tensile strength (?M) in a planar direction and the tensile strength (?T) in an in-plane direction orthogonal to the maximum tensile strength (?M) satisfy relational expression (a), namely ?M/?T?1.6.

Abstract: A laminated film comprising a porous semiconductor layer, a transparent conductive layer and a transparent plastic film, wherein the porous semiconductor layer comprises crystalline titanium oxide fibers and crystalline titanium oxide fine particles, the crystalline titanium oxide fibers and the crystalline titanium oxide fine particles are substantially composed of an anatase phase and a rutile phase, the anatase phase content ratio calculated from the integral intensity ratio of X-ray diffraction is between 1.00 and 0.32, and the laminated film is used in an electrode for dye-sensitized solar cells, and the electrode and a dye-sensitized solar cell comprising the same.