Abstract: In a solid electrolytic capacitor, a capacitor element laminate formed by stacking capacitor elements each using a valve metal as an anode body is bonded to a substrate by a conductive adhesive and packaged by a resin portion. The substrate includes a printed substrate made of an epoxy resin. On its mounting surface for the capacitor element laminate, there are provided an anode mounting portion and a cathode mounting portion each made of a copper base material. The anode mounting portion and the cathode mounting portion are electrically connected to an external anode terminal and an external cathode terminal, respectively, formed on the mounting surface of the solid electrolytic capacitor, through anode vias and cathode vias each penetrating through the epoxy resin. A part of the anode mounting portion on the substrate (6) extends to the outside of the packaging resin portion.

Abstract: The present invention provides means for forming an oxide film on a metal surface, means for repairing a defect of an oxide film, a high-performance electrolytic capacitor using the means, and an electrolyte of the capacitor. Namely, the prevent invention provides a method for easily forming an oxide film on the surface of a metal or an alloy thereof by anodization using a solution containing an ionic liquid. In an application of this method, an electrolytic capacitor having means for repairing a defect of an oxide film can be formed by a method using, as an electrolyte, an ionic liquid, a solution containing an ionic liquid and a salt, or a solution containing an ionic liquid and a conductive polymer or a TCNQ salt, and a valve metal or an alloy thereof as a metal.

Abstract: A solid electrolyte capacitor that prevents the capacitance from decreasing. The solid electrolyte capacitor includes an anode, a cathode, and a dielectric layer, which is arranged between the anode and the cathode in contact with the cathode. The dielectric layer includes a plurality of recesses arranged at an interface between the dielectric layer and the cathode.

Abstract: The invention provides a solid electrolytic capacitor element, comprising a metal oxide layer, an electroconductive polymer layer, a carbon paste layer and a silver paste layer sequentially formed on surface of a valve-acting metal material, wherein thickness of the silver paste layer is within a range of 5 to 20 ?m and the mass ratio of silver contained in the silver paste layer is within a range of 84 to 94%. According to the invention, a solid electrolytic capacitor having good electric properties such as ESR (equivalent series resistance) and LC (leakage current) and good reliability can be produced.

Abstract: A solid electrolytic capacitor includes a capacitor element, an anode lead frame, a cathode lead frame, and a mold resin portion. The anode lead frame includes an anode terminal portion and a rising portion, and the anode terminal portion is exposed at the bottom surface of the mold resin portion. The rising portion is formed integral with the anode terminal portion, and rises to the anode portion. In the rising portion, a through hole is formed. The cathode lead frame includes a cathode terminal portion, a pair of side surface portions and a step portion. Thus, a solid electrolytic capacitor allowing highly accurate and reliable attachment of the capacitor element to the lead frame without using any additional member is provided.

Abstract: A capacitor is described. The capacitor includes a casing of first and second casing members secured to each other to provide an enclosure, a feedthrough electrically insulated from the casing and extending there from through a glass-to-metal seal, first and second anodes electrically connected to each other within the casing, a cathode, and an electrolyte. The cathode is of a cathode active material deposited on planar faces of the first and second casing members. There is also a cathode current collector disposed intermediate the first and second anodes. The cathode current collector supports cathode active material on both of its major faces and includes a tab that is directly electrically connected to a ferrule of the glass-to-metal seal. That way, the casing is the negative terminal for the cathode and a feedthrough pin extending through the glass-to-metal seal is the positive terminal for the anode of the capacitor.

Abstract: A method for manufacturing an electrode of a supercapacitor is provided. First, a poly(acrylonitrile) (PAN) fabric is provided. The PAN fabric includes a plurality of PAN fibers each having a diameter of about 50-500 nm. Then, the PAN fabric undergoes a heat treatment so that the PAN fibers are carbonized to form a carbon fiber textile. The carbon fiber fabric includes a plurality of carbon fibers each having a diameter of about 50-500 nm. The surface of each carbon fiber is nano-porous having a plurality of nano pores of about 1-50 nm in diameter. The total surface area of the nano pores account for about 85-95% of the total surface area of the carbon fibers. The carbon fiber fabric is then cut to acquire the electrode of the supercapacitor.

Abstract: The present invention relates to a capacitor chip and a solid electrolytic capacitor, wherein in a capacitor chip in which one or more capacitor element is laminated on a metal lead frame to carry electricity and the whole is encapsulated with resin, a laminated body is located within a certain definite range. The present invention enables to increase the capacitance of a capacitor by broadening the allowable range of the total thickness of the laminated capacitor chips without generating defective appearance of the laminated solid electrolytic capacitor.

Abstract: An apparatus is disclosed which includes an electrolytic capacitive element with multiple capacitor sections.

Abstract: A method of manufacturing a solid electrolytic capacitor includes: rolling an anode foil, a cathode foil and a separator together, the separator being a mixed fiber composed of a chemical fiber and a natural fiber and being between the anode foil and the cathode foil; degrading and removing the natural fiber with enzyme; and forming an electrolytic layer composed of solid polymer between the anode foil and the cathode foil after degrading and removing the natural fiber.

Abstract: A composite composition for use in an electrode for electrochemical capacitors, comprising: (a) an electrochemically active material; and (b) exfoliated graphite flakes that are substantially interconnected to form a porous, conductive graphite network comprising pores, wherein at least a portion of the active material resides in a pore of the network. The composite composition is characterized by having liquid accessible pores which provide a surface area greater than about 200 m2/gm, preferably greater than 500 m2/gm, more preferably greater than 1000 m2/gm, and most preferably greater than 1000 m2/gm. Also disclosed is a capacitor that includes at least an electrode comprising such a composite composition. A supercapacitor featuring such a composite electrode exhibits an exceptionally high capacitance value and high electrical conductivity.

Abstract: A solid electrolytic capacitor includes an anode body made of valve metal, a dielectric oxide layer provided on the anode body, and a conductive layer provided on the carbon layer. The carbon layer contains carbon and aromatic compound having sulfonic acid radical. This solid electrolytic capacitor has a small equivalent series resistance.

Abstract: A chip type solid electrolytic capacitor includes a capacitor element-laminate. In the capacitor element-laminate, a plurality of capacitor elements, each having an anode portion and a cathode portion, are laminated so that the anode portions of the adjacent capacitor elements are disposed in the direction opposite to each other. Anode lead terminals are joined to the bottom faces of the anode portions of the capacitor elements disposed at both ends of the capacitor element-laminate. A cathode lead terminal is joined to the bottom face of the cathode portion of the capacitor element disposed in the center of the capacitor element-laminate. An Electrically insulating exterior resin coats the capacitor element-laminate so as to expose at least a part of the bottom faces of the anode lead terminals and a part of the cathode lead terminal.

Abstract: A pressure control valve provided on a terminal plate of a capacitor includes a filter, a valve body and a cap. The filter is provided so as to close a through-hole disposed in a terminal plate and is composed of a gas permeable sheet preventing permeation of the electrolyte solution. The valve body is formed of an elastic material, has a cylindrical part and a bottom part, and is disposed so that the bottom part covers the through-hole of the terminal plate. The cap is fixed to the terminal plate, covers the valve body, and holds the valve body in a composed state with respect to the terminal plate. The cap is provided with a vent hole. The valve body and the filter are spaced apart from each other.

Abstract: A conductive composition comprises a ? conjugated conductive polymer, a dopant composed of polyanion, and at least one crosslinking site forming compound selected from (a) compounds having a glycidyl group and (b) compounds having a hydroxyl group and one selected from the group consisting of allyl, vinyl ether, methacryl, acryl, methacrylamide, and acrylamide groups. An antistatic coating material comprises a ? conjugated conductive polymer, polyanion, at least one crosslinking site forming compound selected form the above (a) and (b), and a solvent. An antistatic coating is formed by applying the above-mentioned antistatic coating material. In a capacitor comprising an anode composed of a valve metal porous body; a dielectric layer formed by oxidizing the surface of the anode; and a cathode formed on the dielectric layer, the cathode has a solid electrolyte layer formed by crosslinking complexes of a ? conjugated conductive polymer and a dopant composed of a polyanion.

Abstract: A coin-type electrochemical element enables the external lead terminal portions to be accurately and reliably attached to a first lid portion and to a second lid portion of the coin-type electrochemical element, and a method of its production. A coin-type electric double layer capacitor includes a first lid portion and a second lid portion. External lead terminal portions, each having a nearly triangular shape, are separately connected to the outer surfaces of the lid portions. Upon providing the external lead terminal portions having the triangular shape, a welded portion is allowed to have an increased area enabling the coin-type electrochemical element of even a small size to be accurately and reliably welded and making it possible to provide the coin-type electrochemical element having excellent reliability.

Abstract: The invention relates to an electrode for energy storage systems, the production method thereof, and an energy storage system comprising said electrode. More specifically, the invention relates to films of carbonaceous active material based on activated carbon with a determined porosity, purity and particle size distribution and a polymer binder, whereby the electrodes comprise one such coating film on a current collector and the supercapacitors comprise at least one of these electrodes. The invention also relates to the method of preparing the aforementioned films, electrodes and supercapacitors.

Abstract: A solid-state electrolytic capacitor including a stacked body of a solid-state electrolytic capacitor element unit and an electrode conversion board. The unit includes two kinds of solid-state electrolytic capacitor elements. Each of first kind of solid-state electrolytic capacitor elements uses an anode body having a total thickness of an aluminum foil of 350 ?m and a residual core thickness, i.e., the total thickness minus the thickness of an etched layer, is 50 ?m. A second kind of solid-state electrolytic capacitor element provided on the mounting surface side uses an anode body having a total thickness of an aluminum foil of 150 ?m and a residual core thickness is 50 ?m. The electrode conversion board includes external anode and external cathode terminals that are arranged in a checkered manner and also includes, on the side opposite to the board, anode electrode and cathode electrode plates.

Abstract: A tantalum powder consisting of agglomerated primary particle with a minimum primary particle dimension of 0.2 to 0.8 ?m, a specific surface area of 0.9 to 2.5 m2/g and a particle size distribution determined to ASTM B 822 corresponding to a D10 value of 5 to 25 ?m, a D50 value of 20 to 140 ?m and a D90 value of 40 to 250 ?m, wherein the powder does not comprise an effective content of sintering protection agents.

Abstract: A solid electrolytic capacitor is configured to include a wound capacitor element that has an anode (2), a cathode (3) composed of aluminum, a hard coating film (28) formed on a surface of the cathode (3), a separator (4b), and a solid electrolyte layer, and is also configured so that the solid electrolytic capacitor further includes an intermediate layer 18 formed between the cathode (3) and the hard coating film (28), the hard coating film (28) is composed of a compound of aluminum, titanium, and at least one nonmetallic element, and the intermediate layer (18) contains at least one element selected from the group of metallic elements consisting of aluminum and titanium. It is particularly preferable that the hardness of the substance that constitutes the intermediate layer (18) of the solid electrolytic capacitor be less than the hardness of the substance that constitutes the hard coating film (28).

Abstract: A method for manufacturing an electrolytic capacitor comprising the steps of: forming a capacitor element having a pair of electrode foils wound with a separator interposed therebetween; impregnating the capacitor element with a dispersion solution containing particles of an electrically conductive solid or aggregates thereof and a solvent to form a planar electrically conductive solid layer having the particles of the electrically conductive solid or the aggregates thereof on the surfaces of the electrode foils and the separator; and impregnating the capacitor element having the electrically conductive solid layer with an electrolytic solution.

Abstract: An electrolytic capacitor includes a cathode body. The cathode body includes a conductive solid layer having particles of conductive solid, formed using a dispersion including particles of conductive solid and a solvent. The particles of the conductive solid in the dispersion have a first particle size distribution peak and a second particle size distribution peak satisfying ?1>?2, where ?1 and ?2 are the average particle size of the first and second particle size distribution peaks, respectively, in particle size distribution measurement. Accordingly, there is provided an electrolytic capacitor reduced in ESR, and further having high withstand voltage and low leakage current.

Abstract: A solid capacitor and the manufacturing method thereof are disclosed. The solid capacitor consists of a dielectric layer and two electrodes. A plurality of holes formed by an opening process is disposed on surface of the dielectric layer. The two electrodes connect with the dielectric layer by the holes. By means of a plurality of high temperature volatile matters, the plurality of holes is formed on surface of the dielectric layer during sintered process. The holes are connected with the outside so as to increase surface area of the dielectric layer and further the capacity is increased. And the solid capacitor stores charge by physical means. Moreover, the solid capacitor can be stacked repeatedly to become a multilayer capacitor.

Abstract: An object of the present invention is to provide a solid electrolytic capacitor having a low defective fraction. A solid electrolytic capacitor of the present invention includes an anode structured by an anode lead formed by a valve metal, and porous body of valve metal connected to the anode, and a dielectric layer provided on a surface of the anode wherein a Vickers hardness of the anode lead, which is positioned at not more than 20 ?m in depth from a surface of the anode lead is set 30 Hv-70 Hv.

Abstract: A solid capacitor and the manufacturing method thereof are disclosed. The solid capacitor consists of a dielectric layer and two electrodes. A plurality of holes formed by an opening process is disposed on surface of the dielectric layer. The two electrodes connect with the dielectric layer by the holes. By means of a plurality of high temperature volatile matters, the plurality of holes is formed on surface of the dielectric layer during sintered process. The holes are connected with the outside so as to increase surface area of the dielectric layer and further the capacity is increased. And the solid capacitor stores charge by physical means. Moreover, the solid capacitor can be stacked repeatedly to become a multilayer capacitor.

Abstract: A solid electrolytic capacitor element includes an anode foil, a solid electrolytic layer, a cathode foil, and a connection portion. The anode foil is composed of valve metal and has at least one through hole passing therethrough in thickness direction thereof. The solid electrolytic layer is made of conductive polymer and is provided on a surface of the anode foil. The cathode foil is provided on a surface of the solid electrolytic layer. The connection portion is provided in the through hole and electrically connects a first solid electrolytic layer and a second solid electrolytic layer, the first solid electrolytic layer being a region of the solid electrolytic layer on one face of the anode foil, the second solid electrolytic layer being another region of the solid electrolytic layer on the other face of the anode foil.

Abstract: A solid electrolytic capacitor is provided in which volume efficiency of its capacitor element is improved. A converting substrate having an anode terminal forming portion and cathode terminal portion obtained by forming notches on faces exposed on outside faces of the anode and cathode portions and performing plating in the notches in portions in which the anode and cathode portions of a lower-face electrode type solid electrolytic capacitor is connected to the capacitor element and, after a sheathing resin is formed therein, the sheathed portion and converting substrate are cut along cutting planes to form fillet forming faces on the outside faces of the anode portion and cathode portion of the lower-face electrode type solid electrolytic capacitor.

Abstract: An electrolytic capacitor includes a first electrode, a second electrode opposite to the first electrode, a separator sandwiched between the first electrode and the second electrode, a cell accommodating the first electrode, the second electrode and the separator, and an electrolytic solution filled into the inner space of the cell, with the first electrode, the second electrode and the separator immersed into the electrolytic solution. The first electrode and second electrode are in a CNT film structure, wherein the CNT film includes a number of CNTs packed closely, entangled and interconnected with each other, and disorderly arranged. The electrolytic capacitor is a high-performance capacitor.

Abstract: An electrolytic capacitor comprises two lead tab terminals and a sealing rubber packing. Each of the lead tab terminals includes a boss member, a rib member and a flat member. The boss member comprises a coupling member and a large member. The diameter of the coupling member is the same as two holes in the sealing rubber packing, and the diameter of the large member is larger than the two holes. The flat member is connected to either an oxidized anode foil or a cathode foil. The coupling members of the two lead-tab terminals are inserted into the two holes in the sealing rubber packing, respectively. The large member keeps the sealing rubber packing from moving toward the flat member. Accordingly, the sealing member sealing the capacitor element into a case is kept from making contact with the capacitor element.

Abstract: A chip type solid electrolytic capacitor includes a capacitor element-laminate. In the capacitor element-laminate, a plurality of capacitor elements, each having an anode portion and a cathode portion, are laminated so that the anode portions of the adjacent capacitor elements are disposed in the direction opposite to each other. Anode lead terminals are joined to the bottom faces of the anode portions of the capacitor elements disposed at both ends of the capacitor element-laminate. A cathode lead terminal is joined to the bottom face of the cathode portion of the capacitor element disposed in the center of the capacitor element-laminate. An Electrically insulating exterior resin coats the capacitor element-laminate so as to expose at least a part of the bottom faces of the anode lead terminals and a part of the cathode lead terminal.

Abstract: An electrolytic capacitor includes: a case including a case body, in which an electrolytic capacitor element is disposed in a sealed manner and filled up with an electrolytic solution, and a safety valve is mounted to the case body for jetting an evaporated gas of the electrolytic solution filling the electrolytic capacitor element; a cover member mounted to the case so as to cover the safety valve provided for the case; a first fixing unit mounted to the cover member so as to prevent the cover member from dismounting when the evaporated gas of the electrolytic solution is jetted outward; and a second fixing unit disposed in association with the first fixing unit and adopted to reinforce and assist a function of the first fixing unit to thereby prevent the cover member from being dismounted. An electric equipment includes a lighting circuit including circuit components, and an electrolytic capacitor of the structure mentioned above.

Abstract: A pressure control valve provided on a terminal plate of a capacitor includes a filter, a valve body and a cap. The filter is provided so as to close a through-hole disposed in a terminal plate and is composed of a gas permeable sheet preventing permeation of the electrolyte solution. The valve body formed of an elastic material has a cylindrical part and a bottom part, and is disposed so that the bottom part covers the through-hole of the terminal plate. The cap is fixed to the terminal plate, covers the valve body and holds the valve body in a composed state with respect to the terminal plate. The cap is provided with a vent hole. The valve body and the filter are provided apart from each other.

Abstract: A method is described for manufacturing a conductive polymer electrolytic capacitor. The method includes a step of aging a capacitor element including an electrolyte containing a conductive polymer and an ionic liquid by applying an aging voltage y (V) to the capacitor element to satisfy the following formula (1) or the following formula (2). In the following formulae (1) and (2), x represents a forming voltage for a valve metal. An electrolytic capacitor having a high withstand voltage is implemented by this method. 0.5x?y?x(0<x?48)??(1) 24?y?x(48<x)??(2).

Abstract: A capacitor is presented that includes a housing, an electrode stack, a liner, and a fill port. The liner is located between the housing and the electrode stack. The liner includes a recessed portion. A fill port extends through the housing across from the recessed portion in the liner. A gap is formed between the recessed portion and the fill port.

Abstract: In a hydrogen-containing tantalum powder of the present invention, a value obtained by dividing the hydrogen content (ppm) by the specific surface area (m2/g) is in the range of 10 to 100. This tantalum powder has a large specific surface area, and when the tantalum powder is used as an anode of a solid electrolyte capacitor, a solid electrolyte capacitor having a large capacitance and a low leakage current can be obtained.

Abstract: A solid electrolytic capacitor 1 includes a capacitor element 2 and a resin package 9 enclosing the capacitor element. The capacitor element includes a sintered body 3 of valve metal powder, an anode 4a provided by embedding an anode wire 4 in the sintered body, and a cathode 5 provided by forming a metal layer on the sintered body. A first lead member 6 in the form of a plate is connected to the anode wire 4. The end of the first lead member projects from a side surface 9a of the resin package 9 to provide an anode terminal T1. A second lead member 7 in the form of a plate is connected to the cathode 5. The end of the second lead member projects from a side surface 9b of the resin package 9 to provide a cathode terminal T2.

Abstract: An electrolytic capacitor having a low impedance characteristic, having a high withstand voltage characteristic of 100V class, wherein the electrolytic capacitor provides an excellent high temperature life characteristic and an excellent leakage characteristic. The electrolyte solution containing the aluminum tetrafluoride salt is used. The electrolytic capacitor of the present invention has a low impedance characteristic, a high withstand voltage characteristic, and an excellent high temperature life characteristic. Moreover, the aforementioned electrolyte solution is used, and a foil showing noble potential at least in the electrolyte solution than the electrode potential of the cathode tab, or a cathode electrode foil subjected to chemical treatment is used as the cathode electrode foil, so as to obtain an excellent leakage characteristic.

Abstract: A metal or metal alloy foil substrate, preferably an unetched and uncoated metal or metal alloy foil substrate, such as but not limited to titanium, palladium, lead, nickel, tin, platinum, silver, gold, zirconium, molybdenum, tantalum, palladium-silver alloy, platinum-rhodium alloy, platinum-ruthenium alloy, and/or platinum-iridium alloy, is used as the cathode in an electrolytic capacitor, preferably an aluminum electrolytic capacitor having a multiple anode flat, stacked capacitor configuration. Despite a 120 Hz bridge capacitance measurement lower than with etched aluminum, the use of an unetched and uncoated metal or metal alloy foil cathode according to the present invention will inhibit gas production and not cause the capacitor to swell. Furthermore, an electrolytic capacitor built with a 30 micron unetched and uncoated foil cathode according to the present invention can deliver a stored to discharge energy ratio sufficient for use in pulse discharge applications, such as an in an ICD.

Abstract: A gasket that can exhibit good heat resistance (in particular, instantaneous heat resistance), good electrolyte resistance and insulating property, and good sealing property while achieving size and thickness reduction, an enclosed secondary battery including the gasket, and an electrolytic capacitor including the gasket are achieved. The enclosed secondary battery includes a battery element 15 that includes a positive plate 11, a negative plate 12, and two separators 13 and 14 interposed between the positive plate 11 and the negative plate 12; a sealing body (positive electrode terminal) 17 electrically connected to the positive plate 11; a negative electrode terminal 18 electrically connected to the negative plate 12; and a gasket 19 for insulating the positive electrode terminal from the negative electrode terminal. The gasket 19 is a gasket containing a cross-linked ionomer and is bonded onto the positive electrode terminal or the negative electrode terminal 18 by applying heat and pressure.

Abstract: A capacitor includes a metal case and a terminal plate. The metal case accommodates a capacitor element together with a driving electrolyte and is joined to one of the electrodes of the capacitor element at its inner bottom surface. The terminal plate is joined to the other electrode at its inner surface so as to seal the opening of the metal case. The terminal plate is provided with a pressure regulating valve also functioning as a driving-electrolyte filling hole. The pressure regulating valve includes a ring-shaped elastic member which is pressed into the wall formed on the terminal plate.

Abstract: A solid electrolytic capacitor includes a negative terminal, first to fourth capacitor elements coupled to the negative terminal, first and second positive terminals connected to the first to fourth capacitor elements, and a package resin covering the first to fourth capacitor elements. Each of the first to fourth capacitor elements has a first end and a second end opposite to the first end, and each of the first to fourth capacitor elements includes a negative electrode provided at the first end and a positive electrode provided at the second end. The first to fourth capacitor elements are stacked in this order. The positive electrodes of the first and fourth capacitor elements extend in a first direction from the respective negative electrodes of the first and fourth capacitor elements. The positive electrodes of the second and third capacitor elements extend in a second direction, opposite to the first direction, from the respective negative electrodes of the second and third capacitor elements.

Abstract: An electric double layer capacitor comprises an electrode, a current collector, an electrolyte, a separator, a concave-shaped container for accommodating them, and a sealing plate for sealing an opening part of the container, wherein the sealing plate is fitted inside the container. By having a structure fitting the sealing plate inside an opening part of the concave-shaped container, the positioning between the sealing plate and the container becomes easy, and the displacement of the sealing plate in the horizontal direction can be reduced. Thus, the decline of the yield can be prevented.

Abstract: The present invention relates to a capacitor having high capacitance, low ESR (equivalent series resistance) in a high-frequency region and low leakage current, including a composite oxide film obtained by reaction of an oxide film obtained by subjecting the surface of the substrate comprising valve-acting metal element to electrolytic oxidation with a solution in which metal ion and an organic base are dissolved and by subsequently sintering the reactant, a solid electrolyte formed on the composite oxide film and a conductor layer formed thereon; a method for producing the same and electronic devices using the same.

Abstract: A conductive paste for a solid electrolytic capacitor electrode contains an electroconductive powder having a mean particle size of no more than 1 ?m and at least 90% thereof having a particle size of at least 0.3 ?m; an organic binder; and a solvent.

Abstract: Disclosed herein is a method for manufacturing a feed thru for use in an electrolytic capacitor case. First, an electrode is inserted into a liquid injection mold. Liquid elastomer is then injected into the mold to surround a portion of the electrode. The elastomer is cured, and the resulting electrode and feed thru combination is inserted into a machined hole in a capacitor case. The machined hole may be located on either the base or the lid of the capacitor case. In other embodiments, a ferrule may also be placed in the liquid injection mold prior to injecting liquid elastomer. When a ferrule is used, the assembly may be welded into a machined hole in a capacitor case.

Abstract: A capacitor includes a capacitor element including first and second electrodes, an electrolyte solution, first and second collector plates made of metal and joined to the first and second electrodes of the capacitor element, respectively, a case accommodating the capacitor element, the electrolyte solution, the first and second collector plates, a terminal plate placed at an opening of the case and joined to the second collector plate, and a sealing rubber sealing the terminal plate and the opening of the case. The case has a tubular portion and a bottom plate closing the tubular portion. An inner surface of the bottom plate of the case has a contacting portion contacting the first collector plate and a junction portion facing the first collector plate.

Abstract: A protective housing for a circuit board mounted on an end of a cell is described. The protective housing includes a cut-out in its sidewall and a retaining wall centered in the cut-out. This provides a pair of gaps, one on each side of the retaining wall between the cut-out. These gaps are size so that lead wires extending from the circuit board are captured therein in a tight-fitting relationship. Consequently, the lengths of the leads extending from the protective housing of the cell to a quick disconnect at the distal end of the leads is precisely controlled. If desired, there can be more than one retaining wall providing a plurality of gaps for capturing a plurality of lead wires therein.

Abstract: A conductive composition comprises a ? conjugated conductive polymer, a dopant composed of polyanion, and at least one crosslinking site forming compound selected from (a) compounds having a glycidyl group and (b) compounds having a hydroxyl group and one selected from the group consisting of allyl, vinyl ether, methacryl, acryl methacrylamide, and acrylamide groups. An antistatic coating material comprises a ? conjugated conductive polymer, polyanion, at least one crosslinking site forming compound selected form the above (a) and (b), and a solvent. An antistatic coating is formed by applying the above-mentioned antistatic coating material. In a capacitor comprising an anode composed of a valve metal porous body; a dielectric layer formed by oxidizing the suds of the anode; and a cathode formed on the dielectric layer, the cathode has a solid electrolyte layer formed by crosslinking complexes of a ? conjugated conductive polymer and a dopant composed of a polyanion.

Abstract: A cellular phone and a manufacturing method thereof capable of achieving attractive design as well as high operating efficiency in the assembly process. A cellular phone comprises a first housing, a second housing, a first circuit board, a second circuit board, a flexible cable to electrically connect the first and second circuit boards, and a hinge that rotates about a prescribed rotation axis. When the first and second housings are in their open positions resulting from the rotation of the hinge, one edge of the second housing is located vertically above one edge of the first housing. The hinge includes hinge semi-cylindrical portions that form a hollow part capable of accommodating the flexible cable. The first and second circuit boards are mounted on the first and second housings, respectively. The flexible cable is accommodated in the hollow part. One end of the flexible cable is threaded through an aperture formed at the one edge of the second housing.

Abstract: The present invention provides electrolytes for use in electronic devices at temperature below ?50° C. consisting of a mixture, eutectic or tereutectic of at least two low viscosity aprotic solvents, acetonitrile, and a mixture of conductive salts having a molecular weight up to 240.