Abstract: A heat insulation sheet includes a fiber sheet having spaces therein and a silica xerogel held in the spaces of the fiber sheet. The heat insulation sheet includes a thick region and a low compressible region thinner than the thick region. A compressibility of the low compressible region is equal to smaller than 5% upon having a pressure of 0.7 MPa applied to the low compressible region. This heat insulation sheet is superior in electrical insulation properties and thermal insulation properties, and secures a predetermined distance even in a case that the heat insulation sheet receives pressures from the both sides thereof, thus providing equipment with reliability.

Abstract: A battery cell includes an exterior can, an electrode body accommodated in the exterior can, a heat insulator disposed on at least a part of the outer surface of the side wall of the exterior can, and an insulative film covering the heat insulator and an entire of the outer surface of the side wall of the exterior can.

Abstract: A heat insulating sheet includes, a first sheet, a first heat insulator disposed on a main surface of the first sheet and including a first xerogel, a second heat insulator disposed on the main surface of the first sheet apart from the first heat insulator and including a second xerogel, and a second sheet disposed on the main surface of the first sheet to cover the first and second heat insulators. A first region of the heat insulating sheet provided between the first and second heat insulators viewing in a direction perpendicular to the main surface has an extensible rate larger than an extensible rate of each of the first and second heat insulators. The heat insulating property of this heat insulating sheet hardly degrades.

Abstract: An object is to provide a heat insulating sheet that is easily attachable even if a size is increased, and to provide a method for manufacturing the same. A heat insulating sheet includes nonwoven fabric, and heat insulating body carrying xerogel in a space inside nonwoven fabric. Heat insulating body includes first region carrying the xerogel, and second region not carrying the xerogel and provided inside an outer periphery of heat insulating body. The heat insulating sheet is configured such that each of both surfaces of heat insulating body is provided with protective sheet, and in a periphery of heat insulating body and in second region, protective sheets are mutually joined or protective sheets and second region are joined.

Abstract: Provided is a thermal insulator which can be prevented from having gaps. The thermal insulator includes a nonwoven fabric, and xerogel in interior spaces of the nonwoven fabric. The thermal insulator has a plurality of protrusions on a surface of the thermal insulator, a height of the protrusion ranges from 0.10t to 0.25t inclusive and a size of the protrusion at the surface of the thermal insulator ranges from t to 5t inclusive, where t is a thickness of the thermal insulator, and pores are provided inside the thermal insulator in a region provided with the protrusions.

Abstract: A heat insulation sheet includes a fiber sheet, a resin layer provided on a surface of an outer peripheral portion of the fiber sheet, and a silica xerogel disposed in spaces of the fiber sheet. The fiber sheet includes fibers forming spaces among the fibers. The resin layer is denser than the fiber sheet and made of thermoplastic resin. The silica xerogel is held in the plurality of fibers. This heat insulation sheet is excellent in adhesiveness, and is easily attached to a protective sheet or a frame to be fixed.

Abstract: A heat insulation sheet includes a fiber sheet having spaces therein and a silica xerogel held in the spaces of the fiber sheet. The heat insulation sheet includes a thick region and a low compressible region thinner than the thick region. A compressibility of the low compressible region is equal to smaller than 5% upon having a pressure of 0.7 MPa applied to the low compressible region. This heat insulation sheet is superior in electrical insulation properties and thermal insulation properties, and secures a predetermined distance even in a case that the heat insulation sheet receives pressures from the both sides thereof, thus providing equipment with reliability.

Abstract: A battery cell includes an exterior can, an electrode body accommodated in the exterior can, a heat insulator disposed on at least a part of the outer surface of the side wall of the exterior can, and an insulative film covering the heat insulator and an entire of the outer surface of the side wall of the exterior can.

Abstract: A battery includes a case, at least one of a first battery cell and a second battery cell disposed in the case, and a graphite sheet disposed at at least one of a position between the case and the first battery cell and a position between the first battery cell and the second battery cell. The graphite sheet has a terminal portion for taking out an electrical signal.

Abstract: A control apparatus is provided, which includes: a processor; and a memory device that stores instructions to be executed by the processor, the memory device including a determination section that determines a control command according to sensor information, on the basis of a control rule capable of being set by a user for determining the control command controlling a device, and a control section that controls the device in accordance with the control command determined by the determination section, wherein the control rule specifies a first stage and a second stage, the first stage outputting a plurality of independent first values based on a plurality of first input values from a plurality of different types of sensors, and the second stage outputting a command if a second value based on the plurality of first values meets a predetermined condition.

Abstract: A thermally-insulating sheet includes a thermal insulator which includes a fiber sheet made of fibers providing spaces among the fibers, a resin layer provided on a part of a surface of the fiber sheet, the first resin having a denser surface than the fiber sheet, and a silica xerogel held in the spaces of the fiber sheet. The thermally-insulating sheet further includes a protective sheet bonded onto the resin layer so as to cover the thermal insulator and to cover the surface of the fiber sheet. This thermally-insulating sheet hardly break even if having a large size.

Abstract: A heat insulation sheet includes a fiber sheet, a resin layer provided on a surface of an outer peripheral portion of the fiber sheet, and a silica xerogel disposed in spaces of the fiber sheet. The fiber sheet includes fibers forming spaces among the fibers. The resin layer is denser than the fiber sheet and made of thermoplastic resin. The silica xerogel is held in the plurality of fibers. This heat insulation sheet is excellent in adhesiveness, and is easily attached to a protective sheet or a frame to be fixed.

Abstract: An object is to provide a heat insulating sheet that is easily attachable even if a size is increased, and to provide a method for manufacturing the same. A heat insulating sheet includes nonwoven fabric, and heat insulating body carrying xerogel in a space inside nonwoven fabric. Heat insulating body includes first region carrying the xerogel, and second region not carrying the xerogel and provided inside an outer periphery of heat insulating body. The heat insulating sheet is configured such that each of both surfaces of heat insulating body is provided with protective sheet, and in a periphery of heat insulating body and in second region, protective sheets are mutually joined or protective sheets and second region are joined.

Abstract: A circuit substrate is provided with a base formed of ceramics. It includes a first face a second face; and a through hole penetrating from the first face to the second face; a through conductor: containing silver and copper as main components; disposed inside the through hole; and including a plurality of surfaces; and a metal layer in contact with at least one of the plurality of surfaces. The through conductor includes a eutectic region of silver and copper, disposed in a metal layer side of a diametrically center region of the through conductor; and a non-eutectic region of silver and copper, disposed in a central region of the diametrically center region of the through conductor.

Abstract: A circuit board includes: a base body formed of ceramics or sapphire, the base body being provided with a through hole which penetrates therethrough from one principal face to another principal face of the base body; a through conductor containing silver as a major constituent, the through conductor being located inside the through hole of the base body; metallic wiring layers located on the respective principal faces of the base body and on the through conductor; and regions in which a compound containing at least one substance selected from Sn, Cu, and Ni is present between the through conductor and the metallic wiring layers.

Abstract: A circuit substrate is provided with a base formed of ceramics. It includes a first face a second face; and a through hole penetrating from the first face to the second face; a through conductor: containing silver and copper as main components; disposed inside the through hole; and including a plurality of surfaces; and a metal layer in contact with at least one of the plurality of surfaces. The through conductor includes a eutectic region of silver and copper, disposed in a metal layer side of a diametrically center region of the through conductor; and a non-eutectic region of silver and copper, disposed in a central region of the diametrically center region of the through conductor.

Abstract: A heat insulating sheet includes, a first sheet, a first heat insulator disposed on a main surface of the first sheet and including a first xerogel, a second heat insulator disposed on the main surface of the first sheet apart from the first heat insulator and including a second xerogel, and a second sheet disposed on the main surface of the first sheet to cover the first and second heat insulators. A first region of the heat insulating sheet provided between the first and second heat insulators viewing in a direction perpendicular to the main surface has an extensible rate larger than an extensible rate of each of the first and second heat insulators. The heat insulating property of this heat insulating sheet hardly degrades.

Abstract: A circuit board includes: a base body formed of ceramics or sapphire, the base body being provided with a through hole which penetrates therethrough from one principal face to another principal face of the base body; a through conductor containing silver as a major constituent, the through conductor being located inside the through hole of the base body; metallic wiring layers located on the respective principal faces of the base body and on the through conductor; and regions in which a compound containing at least one substance selected from Sn, Cu, and Ni is present between the through conductor and the metallic wiring layers.

Abstract: A circuit board and an electronic device having the circuit board that includes a ceramic sintered body, a through conductor and a metal wiring layer. The ceramic sintered body includes a through hole penetrating from a first main surface to a second main surface thereof. The through conductor is in the through hole and has first and second ends. The metal wiring layer covering the first end and electrically connected to the through conductor. The through conductor includes: a first portion having a hollow cylinder shape, in contact with an inner wall of the through hole and extending from the first end to the second end; and a second portion having a columnar shape and disposed inside the first portion. The second portion has an average grain size of the metal larger than that in the first portion.

Abstract: A battery includes a case, at least one of a first battery cell and a second battery cell disposed in the case, and a graphite sheet disposed at at least one of a position between the case and the first battery cell and a position between the first battery cell and the second battery cell. The graphite sheet has a terminal portion for taking out an electrical signal.