Abstract: According to one embodiment, an electrode structure is provided. The electrode structure includes an electrode and a separator. The electrode includes an active material-containing layer. The separator includes a layer provided on a main surface of the active material-containing layer. The layer includes organic fibers and a resin mass. The resin mass is in contact with a portion of the main surface of the active material-containing layer. The resin mass is integrated with a portion of the organic fibers. When a length of the resin mass is represented by a circumscribed quadrilateral of the resin mass, a length of a first side of the circumscribed quadrilateral and a length of a second side adjacent to the first side are each 10 ?m or more.

Abstract: According to one embodiment, a laminate includes a first active material-containing layer, a first film and a second film. The first film includes an inorganic material, and a back surface thereof is in contact with a front surface of the first active material-containing layer. The second film includes organic fibers, and one of front and back surfaces is in contact with a front surface of the first film. An absolute value of a difference between surface roughness Ra1 of the front surface of the first active material-containing layer and surface roughness Ra2 of the back surface of the first film is 0.6 ?m or less (including 0).

Abstract: According to one embodiment, a nanofiber manufacturing-apparatus nozzle head includes a plurality of holes. A solution is ejected from the holes. The holes are arranged from a center of the nozzle head toward an end portion of the nozzle head. An interval of adjacent holes decreases away from the center.

Abstract: A vacuum insulated panel according to an embodiment of the present invention is provided with: a core material comprising resin fibers; and a monomer-adsorbing material that is added to the core material and that adsorbs monomers derived from the resin fibers.

Abstract: According to the embodiment, a nanofiber manufacturing device that includes an ejector and a power generator is provided. The ejector is capable of ejecting a solution from a head portion toward a target. The power generator generates a potential difference between the head portion and the target. The head portion includes a first guide having a first surface and a second guide having a second surface, the first surface and the second surface making a gap, the gap being capable of maintaining the solution. A tip of at least one of the first guide and the second guide includes a maintain portion provided so as to be capable of maintaining the solution.

Abstract: According to one embodiment, the secondary battery includes a container, an electrode structure provided in the container and an electrolyte provided in the container. The electrode structure includes a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode. The separator includes an organic fiber layer accumulated on at least one of the positive electrode and the negative electrode. The organic fiber layer has contacts in which the organic fiber intersects with itself. The form of the intersections is changed by a tensile stress.

Abstract: According to one embodiment, there is provided a structural body including a core composed of fiber and a support, which is a component of the core and is in contact with the core.

Abstract: According to one embodiment, the secondary battery includes a container, an electrode structure provided in the container and an electrolyte provided in the container. The electrode structure includes a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode. The separator includes an organic fiber layer accumulated on at least one of the positive electrode and the negative electrode. The organic fiber layer has contacts in which the organic fiber intersects with itself. The form of the intersections is changed by a tensile stress.

Abstract: According to one embodiment, a method for producing an electrode, includes applying tensile force. The electrode includes a strip current collector, a current collector exposed portion, and an active material-containing layer. In the applying tensile force, arranging a strip electrode plate on a roller including a step portion and a recessed portion such that the current collector exposed portion is positioned on the step portion and the active material-containing layer is positioned on the recessed portion, and then applying tensile force to the strip electrode plate in a longitudinal direction of the strip electrode plate.

Abstract: According to one embodiment, there is provided a structural body including a core composed of fiber and a support, which is a component of the core and is in contact with the core.

Abstract: In a vacuum insulated panel according to an embodiment of the present invention, a core material comprising resin fibers is accommodated within an outer cover material. The resin fibers are formed directly on the inner surface of the outer cover material.

Abstract: Insulation according to an embodiment of the present invention is provided with the following: a core material formed by a small-diameter fiber material having a micro-order to nano-order fiber diameter; and a reinforcing means for reinforcing the strength of the core material.

Abstract: For a fiber-oriented material according to an embodiment, a fiber that is included in the fiber-oriented material is in a closely-adhered state, and a tensile strength has maxima in two or more tensile directions at angles in a range not less than 0° but less than 180° between the tensile directions and a line passing through a center of the fiber-oriented material.

Abstract: According to one embodiment, a method for producing an electrode, includes applying tensile force. The electrode includes a strip current collector, a current collector exposed portion, and an active material-containing layer. In the applying tensile force, arranging a strip electrode plate on a roller including a step portion and a recessed portion such that the current collector exposed portion is positioned on the step portion and the active material-containing layer is positioned on the recessed portion, and then applying tensile force to the strip electrode plate in a longitudinal direction of the strip electrode plate.

Abstract: An electrospinning apparatus according to an embodiment is configured to deposit a fiber on a collector or a member. The electrospinning apparatus includes a first nozzle head provided on one side of the collector or the member, and a second nozzle head provided on the side opposite to the first nozzle head with the collector or the member interposed. The first nozzle head and the second nozzle head are at a section where the collector or the member moves in a direction tilted with respect to a horizontal direction.

Abstract: According to one embodiment, a method for manufacturing an LED device includes forming a laminated semiconductor layer including a GaN layer of a first conductivity type, a GaN-based luminous layer, and a GaN layer of a second conductivity type stacked in this order on a surface of a substrate, forming a resist pattern on the laminated semiconductor layer, subjecting the laminated semiconductor layer to reactive ion etching using the resist pattern as a mask to selectively remove the laminated semiconductor layer to form an LED element structure part and an electrode connection region, removing the resist pattern, and treating the substrate including the LED element structure part and the electrode connection region with a first etching residue removing aqueous solution.

Abstract: According to one embodiment, a method for manufacturing an LED device includes forming a laminated semiconductor layer including a GaN layer of a first conductivity type, a GaN-based luminous layer, and a GaN layer of a second conductivity type stacked in this order on a surface of a substrate, forming a resist pattern on the laminated semiconductor layer, subjecting the laminated semiconductor layer to reactive ion etching using the resist pattern as a mask to selectively remove the laminated semiconductor layer to form an LED element structure part and an electrode connection region, removing the resist pattern, and treating the substrate including the LED element structure part and the electrode connection region with a first etching residue removing aqueous solution.

Abstract: According to one embodiment, a fiber sheet includes a plurality of fibers. The plurality of fibers are in a closely-adhered state. All of the following (1) to (3) are satisfied, where F1 is a tensile strength in a first direction, and F2 is a tensile strength in a second direction orthogonal to the first direction: (1) F2>F1; (2) F1 is 1 MPa or more; and (3) F2/F1 is 2 or more.

Abstract: According to one embodiment, a spinning apparatus includes a nozzle head, a power generating, and a first atmosphere controller. The nozzle head dispenses a source material liquid from a tip portion toward a collector. The power generating unit generates an electric potential difference between the tip portion and the collector. The first atmosphere controller controls an atmosphere of a first space at a periphery of the nozzle head.

Abstract: According to one embodiment, a nanofiber manufacturing-apparatus nozzle head includes a plurality of holes. A solution is ejected from the holes. The holes are arranged from a center of the nozzle head toward an end portion of the nozzle head. An interval of adjacent holes decreases away from the center.