Abstract: Included are: a cylindrical body (cylindrical portion 16) provided with a shaft portion (18); and a first valve body (11) that is in close contact with the shaft portion to close an opening portion (22) of the cylindrical body, and is separated from the shaft portion when pressure (P) in the cylindrical body rises to a threshold (Pth) or higher by gas that has entered the cylindrical body, to release the gas from the cylindrical body to the outside. The valve body includes a closing portion (40) that receives the pressure (P) of the gas in the cylindrical body. The pressure received by the closing portion (40) serves as a valve opening force. As a result, the discharge characteristics of the gas filling a case are improved to enhance a pressure regulation function.

Abstract: An electrode body which achieves not only high initial capacitance of an electrolyte capacitor but also achieves stable capacitance even after being exposed to high temperature environment, and the electrolyte capacitor including the electrode body are provided. The electrode body is used for a negative electrode of the electrolyte capacitor, and the electrode body includes a negative electrode foil formed by a valve action metal, and a carbon layer formed on the negative electrode foil. The carbon layer includes a first spherical carbon and a second spherical carbon, and the first spherical carbon has a BET specific surface area larger than the second spherical carbon.

Abstract: A detection system includes an imaging unit configured to acquire in advance a first distance image indicating a background and acquire a second distance image including at least the background and a target object, and a processing unit configured to calculate a first virtual volume indicating the background from the first distance image, calculate a second virtual volume indicating the target object from the second distance image, and compare the first virtual volume with the second virtual volume to detect the target object.

Abstract: A detection system includes an imaging unit configured to acquire a distance image indicating a distance to a target object, and a processing unit configured to divide pixels included in the distance image into blocks according to a distance relationship, and detects a state of the target object by comparing ratios of pixels included in the respective blocks.

Abstract: Provided is a hybrid electrolytic capacitor having large capacitance, low ESR, and superior high-frequency characteristics and high-temperature endurance.

Abstract: To reduce the occurrence of capacitor mounting failure on a circuit board in the solder reflow process, the capacitor element is housed in the bottomed cylindrical outer case and sealed with a sealing member the open end of the outer case, the lead terminal derived from the capacitor element is formed through the sealing member a capacitor body, a base having a bottom surface portion and a side wall formed so as to surround the outer periphery of the capacitor body with a through hole through which the lead terminal penetrates, a capacitor having a convex portion protruding toward the capacitor body from the inner surface of the side wall, the caulking portion formed by caulking the side surface of the outer case the convex portion is disposed, providing a gap portion between the caulking portion and the convex portion.

Abstract: The present invention provides a conductive carbon which enables the achievement of an electricity storage device that has high energy density, while exhibiting improved charge/discharge cycle stability even during high voltage application. A conductive carbon according to the present invention is produced by a method which comprises: an oxidation step wherein a carbon starting material is subjected to an oxidation treatment, thereby obtaining an oxidation-treated carbon that spreads in a paste-like state when a pressure is applied thereto; and a heat treatment step wherein the oxidation-treated carbon is subjected to a heat treatment under a vacuum or in a non-oxidizing atmosphere. Since CO2 is separated from the oxidation-treated carbon during the heat treatment process, the amount of CO2 generated from the thus-obtained conductive carbon in the temperature range of from 25° C. to 200° C. is smaller than the amount of CO2 generated from the oxidation-treated carbon in the temperature range of from 25° C.

Abstract: Disclosed is an electrolytic capacitor which has a long life and which is provided with an electrolyte which is difficult to steam and disperse in butyl rubber used as a sealing member, and which suppresses evaporation volatilization of the electrolyte. An electrolytic capacitor is provided with a capacitor element having an anode foil, a cathode foil and a separator, an electrolytic solution containing a solvent and a solute, a case containing the capacitor element, and butyl rubber sealing the case, wherein the distance between the Hansen solubility parameter of the solvent and the Hansen solubility parameter of the butyl rubber is not less than 26.5, and the boiling point of the solvent is not less than 160 degrees celsius.

Abstract: A storage device having excellent cycle lifetime, an electrode used in this storage device, and a production method of the electrode are provided. An electrode comprising an active material and a conductive carbon including oxidized carbon. A surface of the active material is covered by the conductive carbon. A Raman spectrum of the active material covered by the conductive carbon includes a peak intensity (a) derived from the active material and a peak intensity (b) of D-band derived from the conductive carbon. A peak intensity ratio (b)/(a) between the peak intensity (a) and the peak intensity (b) is 0.25 or more.

Abstract: A method includes processes of (a processing part 8) calculating an estimated heat generation temperature by using drive conditions (22, a storage part 6) at least including drive timing information (18) and drive current value information (20), and temperature change characteristic information (24) of a capacitor, calculating state change information (28) of the capacitor after elapse of a reference time by using the estimated heat generation temperature, and calculating a lifespan estimation value (lifespan estimation result 30) of the capacitor by using the state change information. This enables capacitor lifespan estimation corresponding to fluctuations of a drive current value flowing through the capacitor, the applicability of the capacitor is confirmed, and the safety of equipment using the capacitor is improved.

Abstract: In a solid electrolytic capacitor having an electrolyte layer consisting of a solid electrolyte layer and a liquid, the solid electrolytic capacitor, which suppresses a dedoping reaction and which ESR thereof does not keenly increase, in particular, after a loading of heat stress, is provided. In the solid electrolytic capacitor, the electrolyte layer is formed in the capacitor element which is formed by opposing an anode foil and a cathode foil. This electrolyte layer includes the solid electrolyte layer and the liquid. The solid electrolyte layer includes a conductive polymer consisting of a dopant and a conjugated polymer. The liquid is filled in air gaps in the capacitor element on which the solid electrolyte layer is formed. The electrolyte layer includes ammonia as a cation component, and a molecular ratio of the cation component relative to 1 mol of a functional group which can contribute to a doping reaction of the dopant, in the electrolyte layer is 23 or less.

Abstract: A solid electrolytic capacitor with reduced leakage current is provided. An anode foil dielectric oxide film is formed, a lead terminal which is connected to the anode foil, a capacitor element including the anode foil, is formed in the capacitor element, and a solid electrolyte containing a conductive polymer, and a coating layer for elasticating a conductive polymer forming solution between the anode foil and the lead terminal by forming a solid electrolytic capacitor. Preferably, the coating layer is a solid-state electrolytic capacitor formed at least in the opposite portion of the external leading terminals to the anodal foil.

Abstract: A capacitor (2) includes a capacitor main body (4) and a base (6). The capacitor main body includes an opening sealing member (14) attached to an opening of an outer package case (10), and a terminal lead (16-1, 16-2) led out from a first insertion through hole portion (17-1, 17-2) of the opening sealing member. The base is disposed on the side of the opening sealing member of the capacitor main body, and has a second insertion through hole portion (18-1, 18-2). For example, the base includes a first protruding portion (20) surrounding the second insertion through hole portion, so that the second insertion through hole portion of the base forms an insertion through hole. The opening distance on the side of the substrate mounting face of the insertion through hole is larger than the opening distance on the side of the capacitor main body of the insertion through hole.

Abstract: A capacitor (2) includes a capacitor main body (4), a base (6), and a resin layer (8-1). The capacitor main body includes an outer package case (10), an opening sealing member (14) attached to an opening of the outer package case, and a terminal lead (16-1, 16-2) extending through the opening sealing member. The base is disposed toward the opening sealing member of the capacitor main body and includes an insertion through hole (18-1, 18-2) into which the terminal lead is inserted to be exposed on a mounting surface side, and a protruding portion (20) surrounding the insertion through hole. The resin layer is arranged at least between the base and the opening sealing member. The base and the resin layer are in contact with or spaced apart from each other without at least partly adhering to each other.

Abstract: Provided is a conductive carbon mixture which is to be used together with an electrode active material in manufacturing an electrode of an electricity storage device and enables the manufacture of the electricity storage device having a good cycle life. The conductive carbon mixture for manufacturing an electrode of an electricity storage device comprises an oxidized carbon having electrical conductivity and a different conductive carbon which is different from the oxidized carbon, wherein the oxidized carbon covers the surface of the different conductive carbon. The conductive carbon mixture is characterized in that the ratio of the peak intensity of the 2D band to the peak intensity of the D band in a Raman spectrum of the conductive carbon mixture is 55% or less relative to the ratio of the peak intensity of the 2D band to the peak intensity of the D band in a Raman spectrum of the different conductive carbon.

Abstract: Provided is a solid electrolytic capacitor having large capacitance, low ESR, and superior high-frequency characteristics and high-temperature endurance.

Abstract: A capacitor and a method for manufacturing the capacitor are provided. The capacitor comprises (1) a capacitor main body including an outer package case, an opening sealing member attached to an inside of an open portion of the outer package case and a terminal lead penetrating through the opening sealing member; (2) a base attached to an outside of the open portion of the outer package case, the base including an insertion through hole through which the terminal lead passes to be disposed on an outer side of the base; and (3) a resin layer between the base and the opening sealing member.

Abstract: Provided is a hybrid electrolytic capacitor having large capacitance, low ESR, and superior high-frequency characteristics and high-temperature endurance.

Abstract: An electrolytic capacitor module includes at least two types of electrolytic capacitors (4-1, 4-2) having etching pits in electrode foils. The at least two types of electrolytic capacitors (4-1, 4-2) are different in length of the etching pits and are connected in parallel. The number of electrolytic capacitors to be mounted is the same or different. The electrolytic capacitors (4-1, 4-2) are each an electrolytic capacitor with an etching pit length of 27 [?m] or less or an electrolytic capacitor with an etching pit length over 27 [?m]. Such a configuration enhances performance of the electrolytic capacitors in a high-frequency region, keeps a rate of decrease in capacitance low in the high-frequency region, and enhances a ripple current capability in the high-frequency region.

Abstract: An objective of the present disclosure is to provide a method of producing metal compound particle group for an electricity storage device electrode that has an improved rate characteristic, the metal compound particle group, and an electrode formed of the metal compound particle group. The method of producing metal compound particle group applied for an electrode of an electricity storage device, the method includes a step of combining a precursor of metal compound particle with a carbon source to obtain a first composite material, a step of producing the metal compound particle by heat processing the first composite material under a non-oxidizing atmosphere to obtain a second composite material having the metal compound particle combined with carbon, and a step of eliminating carbon by heat processing the second composite material under an oxygen atmosphere to obtain the metal compound particle group having the metal compound particle coupled in a three-dimensional mesh structure.