Abstract: A solid electrolytic capacitor according to an aspect of the present invention includes an anode conductor including a porous valve metal body, a dielectric layer formed on a surface of the anode conductor, and a solid electrolyte layer including a conductive polymer layer formed on a surface of the dielectric layer, in which the solid electrolyte layer includes a first solid electrolyte layer formed on a surface of the dielectric layer, and a second solid electrolyte layer formed on a surface of the first solid electrolyte layer, and at least one continuous or discontinuous layer containing an amine compound exists between the first and second solid electrolyte layers, and inside the second solid electrolyte layer.

Abstract: The present invention provides a method of pre-doping lithium ions into an electrode, and a method of manufacturing an electrochemical capacitor using the same. The method for pre-doping lithium ions into an electrode includes the steps of: immersing a positive electrode, a negative electrode, and a lithium metal electrode into an electrolyte solution; performing a first pre-doping for directly doping lithium ions into the negative electrode from the lithium metal electrode; and performing a second pre-doping which includes a charging process for applying currents between the positive electrode and the negative electrode to charged with the applied currents, and a releasing process for releasing lithium ions from the lithium metal electrode, and a method for manufacturing the electrochemical capacitor using the same.

Abstract: A compound having the formula below. X is hydroxyl, a sulfonic ester or salt thereof, a phosphonate or salt thereof, a carboxylate or salt thereof, or a boronic ester or salt thereof. The value n is an integer greater than or equal to 2. A polymer made by polymerizing the compound. A method of: reacting NH2—(CH2—CH2—O)n—CH2—CH2—OH with thiophene acid chloride to form a (SC4H3)—CO—NH—(CH2—CH2—O)n—CH2—CH2—OH amide; reacting the amide with a vinyl sulfonic ester, a vinyl phosphonate, a vinyl carboxylate, or a vinyl boronic ester to form an intermediate; and converting the intermediate to a salt form.

Abstract: A capacitor assembly that includes a solid electrolytic capacitor element containing an anode body, a dielectric overlying the anode, and a solid electrolyte (e.g., conductive polymer) overlying the dielectric is provided. The anode body is in electrical contact with an anode termination and the solid electrolyte is in electrical contact with a cathode termination. The capacitor element and terminations are encapsulated within a resinous material so that at least a portion of the terminations remain exposed. In addition to enhancing mechanical robustness, the resinous encapsulating material acts in some capacity as a barrier to moisture and oxygen during use, which could otherwise reduce the conductivity of the solid electrolyte and increase ESR. To even further protect the capacitor element, especially at high temperatures, the encapsulated capacitor element is also enclosed and hermetically sealed within a ceramic housing in the presence of an inert gas.

Abstract: Provide an electrochemical device offering a large capacity per current collector and a low internal resistance, which is also easy to assemble. Provided is a laminated sheet body 16S by inserting a negative-electrode continuous body 11BW between an adjacent pair of first current collectors 12a, 12a with their first current collector main units 12a1 connected together, and also between an adjacent pair of first current collectors 12a, 12a with their first tabs 12a2 connected together, with respect to a plurality of positive electrodes 11A arranged in the width direction apart from each other, after which the negative-electrode continuous body of the laminated sheet body is cut to the unit width dimension of an element to obtain a plurality of laminated bodies 16.

Abstract: An integrated capacitor assembly that contains at least two solid electrolytic capacitor elements electrically connected to common anode and cathode terminations is provided. The capacitor elements contain an anode, a dielectric coating overlying the anode that is formed by anodic oxidation, and a conductive polymer solid electrolyte overlying the dielectric layer. The capacitor elements are spaced apart from each other a certain distance such that a resinous material can fill the space between the elements. In this manner, the present inventors believe that the resinous material can limit the expansion of the conductive polymer layer to such an extent that it does not substantially delaminate from the capacitor element. In addition to possessing mechanical stability, the capacitor assembly also possesses a combination of good electrical properties, such as low ESR, high capacitance, and a high dielectric breakdown voltage.

Abstract: A method of manufacturing an electrode includes printing an electrode ink on a portion of a substrate using a rotary lithographic printer. The electrode ink is allowed to dry on the substrate. A separator material is printed on the portion of the substrate using the rotary lithographic printer. A sealant wall is printed around the portion of the substrate using the rotary lithographic printer. The substrates are then “stacked” and “folded” in appropriate configurations to obtain a desired capacitance and voltage standoff.

Abstract: A high voltage capacitor design is provided that provides improved performance. The high voltage capacitor includes a stack of mechanically bonded capacitor cells, which in one variant utilize a separator formed of two layers of paper. In one version, the high voltage capacitor may be used as a capacitative voltage divider.

Abstract: Provided are a substrate on which carbon nanotubes each having one end connected to the substrate can be formed at a high synthetic rate and from which the carbon nanotubes are less likely to be peeled off. The substrate is a substrate for forming the carbon nanotubes and includes a buffer layer 13 formed on at least one of surfaces of a substrate main body 14 and containing aluminum atoms and fluorine atoms. The carbon nanotube complex includes the substrate and a plurality of carbon nanotubes 11 each having one end connected to a surface of the buffer layer 13.

Abstract: A capacitor assembly containing a solid electrolytic capacitor element and an anode lead extending in a direction therefrom, first and second cathode terminations, and an anode termination is provided. The first cathode termination contains a first portion that is substantially parallel to a lower surface of the capacitor element and in electrical contact therewith, and the second cathode termination contains a second portion that is substantially parallel to an upper surface of the capacitor element and in electrical contact therewith. Through such a “sandwich” configuration, the degree of surface contact between the cathode terminations and capacitor element is increased, which can help dissipate heat and allow it to handle higher currents that would normally cause overheating. The terminations may also provide increased mechanical support.

Abstract: Provided is a jig for manufacturing electrolytic capacitor elements wherein the jig is for forming dielectric layers on the surfaces of anode bodies by anodic oxidation or for forming semiconductor layers on the dielectric layers formed on the surfaces of the anode bodies. The jig for manufacturing the electrolytic capacitor elements comprises (i) a plurality of power supply circuits which are provided on an insulating substrate and to each of which a voltage-limiting value and a current-limiting value can be set, (ii) connection terminals for the anode bodies which are electrically connected to the respective outputs of the power supply circuits, and (iii) a terminal for setting the voltage-limiting values to the power supply circuits and a terminal for setting the current-limiting values to the power supply circuits; in the jig, a proper current can be set corresponding to the progress of the anodic oxidation and electrolytic polymerization.

Abstract: A ductile preform for making a drawn capacitor includes a plurality of electrically insulating, ductile insulator plates and a plurality of electrically conductive, ductile capacitor plates. Each insulator plate is stacked vertically on a respective capacitor plate and each capacitor plate is stacked on a corresponding insulator plate in alignment with only one edge so that other edges are not in alignment and so that each insulator plate extends beyond the other edges. One or more electrically insulating, ductile spacers are disposed in horizontal alignment with each capacitor plate along the other edges and the pattern is repeated so that alternating capacitor plates are stacked on alternating opposite edges of the insulator plates. A final insulator plate is positioned at an extremity of the preform. The preform may then be drawn to fuse the components and decrease the dimensions of the preform that are perpendicular to the direction of the draw.

Abstract: A clad capacitor and method of manufacture includes assembling a preform comprising a ductile, electrically conductive fiber; a ductile, electrically insulating cladding positioned on the fiber; and a ductile, electrically conductive sleeve positioned over the cladding. One or more preforms are then bundled, heated and drawn along a longitudinal axis to decrease the diameter of the ductile components of the preform and fuse the preform into a unitized strand.

Abstract: A method for manufacturing a lithium ion capacitor, and a lithium ion capacitor manufactured using the method are provided. The method for manufacturing a lithium ion capacitor includes: disposing a lithium metal on a capacitor cell including a cathode, a separation film, and an anode; impregnating the capacitor cell with electrolyte including a lithium salt; changing the cathode and the anode to allow lithium ions within the electrolyte to be occluded into the anode; performing a primary reaction in which the cathode and the lithium metal are short-circuited to emit anions from the cathode and lithium ions from the lithium metal and a secondary reaction that the lithium ions emitted from the lithium metal are occluded into the cathode; and recharging the cathode and the anode to allow the lithium ions, which have been occluded into the cathode and the lithium ions within the electrolyte, to be occluded into the anode.

Abstract: The present invention provides a solid electrolytic condenser including a condenser element with anode polarity; an anode wire with one side inserted inside the condenser element and the other side projected outside the condenser element; and an insulating layer formed by coating one surface of the condenser element and an exposed region of the anode wire adjacent to the one surface of the condenser element with a liquid insulating material through a non-contact scattering method and an apparatus and a method for forming the insulating layer of the solid electrolytic condenser.

Abstract: Provided are an energy storage device including an electrode in which lithium is introduced into a silicon layer and a method for manufacturing the energy storage device. A silicon layer is formed over a current collector, a solution including lithium is applied on the silicon layer, and heat treatment is performed thereon; thus, at least lithium can be introduced into the silicon layer. By using the solution including lithium, even when the silicon layer includes a plurality of silicon microparticles, the solution including lithium can enter a space between the microparticles and lithium can be introduced into the silicon microparticles which are in contact with the solution including lithium. Moreover, even when the silicon layer is a thin silicon film or includes a plurality of whiskers or whisker groups, the solution can be uniformly applied; accordingly, lithium can be included in silicon easily.

Abstract: An electronic device having an element body, wherein dielectric layers and internal electrode layers are alternately stacked, wherein a hetero phase is formed in the dielectric layers and/or the internal electrode layers; and the hetero phase includes a Mg element and a Mn element. Preferably, the hetero phase is formed at least at a part near boundaries of the dielectric layers and the internal electrode layers.

Abstract: One capacitor fabrication process including metal layer forming a metal layer on one surface of a substrate, dielectric layer forming a dielectric layer on the metal layer, metal foil forming a metal foil on the dielectric layer, separating the noble metal layer from the dielectric layer, and electrode layer forming an electrode layer on the second surface of the dielectric layer, wherein the second surface faces away from the first surface of the dielectric layer with the metal foil. Another capacitor fabrication process includes separation layer forming a separation layer on one surface of a substrate, dielectric layer forming a dielectric layer on the separation layer, metal foil forming a metal foil the dielectric layer, separating the substrate from the separation layer, and an electrode layer forming an electrode layer on the second surface of the dielectric layer, wherein the second surface faces away from the first surface of said dielectric layer with the metal foil.

Abstract: A solid electrolytic capacitor includes a capacitor element, an anode terminal, and a cathode terminal. The capacitor element has an element body. An outer circumference of the element body is defined by first to fourth side surfaces. An exposed surface of a cathode layer is defined at least on the second and third side surfaces. The cathode terminal has first and second terminal component parts. The first terminal component part extends along the third side surface. The second terminal component part adjoins the first terminal component part while extending above the second side surface. A first conductive adhesive is interposed between the first terminal component part and the third side surface. A second conductive adhesive is interposed between the second terminal component part and the second side surface. The second conductive adhesive extends along the second side surface to reach the peripheral edge of the fourth side surface.

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: An anode assembly for a capacitor is described. The anode assembly comprises a first anode including a first conductive lead disposed in a first groove in a junction bar, a second anode including a second conductive lead disposed in a second groove in the junction bar, and an anode terminal lead disposed in a third groove in the junction bar. The capacitor including the anode assembly is further comprised of a cathode comprising a conductive substrate supporting a cathode active material facing the first and second anodes, and a separator positioned there between to prevent the first and second anodes and the cathode from contacting each other. The anode assembly, the cathode, and the separator are sealed inside of a casing, and the casing is filled with a working electrolyte.

Abstract: On a surface of an anode member 12 having a valve action, a cathode layer 14 is formed, and at a terminal lead-out face 12a at one end of the anode member 12, an anode wire 16 is led out of it; thus a capacitor element 10 is formed. An anode terminal 4 is joined to the anode wire 16. A cathode terminal 5 is joined to the cathode layer 14. A protective layer 2 of resin covers part or all of the capacitor element 10. A packaging member 3 of resin harder than the protective layer 2 covers around the capacitor element 10 including the protective layer 2 and the anode wire 16 to form a package. The protective layer 2 has a larger linear expansion coefficient than the packaging member 3. The mass ratio of the packaging member 3 to the total mass of the packaging member 3 and the protective layer 2 between the terminal lead-out face 12a and the exterior face of the packaging member 3 opposite the terminal lead-out face 12a is 50% or more.

Abstract: An asymmetric electrochemical capacitor including an anode, a cathode, and an electrolyte between the anode and the cathode. The anode includes manganese dioxide (MnO2) nanowires and single-walled carbon nanotubes. The cathode includes indium oxide (In2O3) nanowires and single-walled carbon nanotubes. The asymmetrical electrochemical capacitor can be fabricated by forming a first film including manganese dioxide nanowires and single-walled carbon nanotubes, forming a second film including indium oxide nanowires and single-walled carbon nanotubes, and providing an electrolyte between the first film and the second film such that the electrolyte is in contact with the first film and the second film.

Abstract: In accordance with an example embodiment of the present invention, an apparatus is provided, comprising first and second circuit boards, and an electrolyte, the first and second circuit boards each comprising a capacitive element, the apparatus being configured such that a chamber is defined between the first and second circuit boards with the capacitive elements contained therein and facing one another, the chamber comprising the electrolyte, the apparatus being configured to store electrical charge when a potential difference is applied between the capacitive elements, and the apparatus further comprising an electrical connector between the first and second circuit boards, the electrical connector configured to enable a flow of electrical charge from the capacitive elements to provide power to one or more electrical components when the apparatus discharges.

Abstract: Electrical devices having a plurality of stacked electrode layers are described. At least one of the electrode layers contains continuous fibers that are infused with carbon nanotubes. The continuous fibers can be disposed upon an electrically conductive base plate. The electrical devices can further contain an electrolyte contacting each electrode layer and a layer of separator material disposed between each electrode layer, in which case the electrical devices can form a supercapacitor. Such supercapacitors can have a capacitance of at least about 1 Farad/gram of continuous fibers. The capacitance can be increased by coating at least a portion of the infused carbon nanotubes with a material such as, for example, a conducting polymer, a main group metal compound, and/or a transition metal compound. Methods for producing the electrical devices are also described.

Abstract: Disclosed is a secondary power source and a manufacturing method thereof. The secondary power source includes a unit cell formed by sequentially laminating a first electrode, a separation film, and a second electrode, wherein the first electrode is formed by forming a first electrode material, into which lithium ions can be irreversibly occluded, on a first conductive sheet, and the first electrode is laminated in the unit cell after lithium ions are occluded into the first electrode material by using a metal that can supply lithium ions.

Abstract: An object is to provide a power storage device with improved cycle characteristics and a method of manufacturing the power storage device. Another object is to provide an application mode of the power storage device for which the above power storage device is used. In the method of manufacturing the power storage device, an active material layer is formed over a current collector, a solid electrolyte layer is formed over the active material layer after a natural oxide film over the active material layer is removed, and a liquid electrolyte is provided so as to be in contact with the solid electrolyte layer. Accordingly, decomposition and deterioration of the electrolyte solution which are caused by the contact between the active material layer and the electrolyte solution can be prevented, and cycle characteristics of the power storage device can be improved.

Abstract: A surface-mountable electrolytic capacitor with improved volumetric efficiency includes an electrolytic capacitor element, anode and cathode terminations, an encapsulation material and external terminations. The capacitor element has first and second opposing end surfaces and an anode wire extending from the first end surface that is electrically connected to a first anode termination portion. A first cathode termination portion is conductively adhered to a surface of the capacitor element, and a second portion is perpendicular to the first portion and parallel to the second end surface of the capacitor element. Encapsulating material surrounds the capacitor element to form a device package that is subsequently diced to improve volumetric efficiency and optionally expose the anode and cathode terminations on opposing end surfaces. First and second external terminations may be formed over the exposed portions of anode and cathode terminations to wrap around to one or more given surfaces of the device package.

Abstract: A power storage device which can have an improved performance such as higher discharge capacity and in which deterioration due to peeling of an active material layer or the like is difficult to occur, and a method for manufacturing the power storage device are provided. The power storage device includes a current collector, a mixed layer formed over the current collector, and a crystalline silicon layer which is formed over the mixed layer and functions as an active material layer. The crystalline silicon layer includes a crystalline silicon region and a whisker-like crystalline silicon region including a plurality of protrusions projecting over the crystalline silicon region. The whisker-like crystalline silicon region includes a protrusion having a bending or branching portion.

Abstract: A method for manufacturing a solid electrolytic capacitor, capable of joining a bolster member interposed between an anode lead and an anode lead frame to the anode lead frame with good adhesion property and high positional accuracy where a bolster member is obtained from a ladder-shaped frame such that a width of the bolster member in a direction perpendicular to a lead-out direction of an anode lead is larger than a width of an anode lead frame, and the bolster member is aligned with the anode lead frame while being chucked, and then is joined to the anode lead frame.

Abstract: A solid electrolytic capacitor capable of assuredly connecting a lead terminal and a lead wire while increasing a capacity of a capacitor element is provided. The present invention is directed to a solid electrolytic capacitor in which a capacitor element 1 having a positive electrode lead wire 12 protruded from a front face of the capacitor element 1 and an positive electrode lead terminal 2 connected to the positive electrode lead wire 12 is sealed with an exterior sealing element of synthetic resin except for a part of the positive electrode lead terminal 2.

Abstract: A solid electrolytic capacitor of the present invention includes an anode element made of a sintered body of a valve-action metal; a dielectric coating, a solid electrolyte layer, and a cathode lead layer, sequentially formed on a surface of the anode element; and an anode lead member made of a conductive metal projecting from the anode element, the anode lead member having a base end thereof embedded in the anode element, the base end being formed such that a cross section thereof perpendicular to a direction extending inwardly of the anode element has a contour with four rounded rectangular corners.

Abstract: There is provided an electric double layer capacitor package and a method of manufacturing the same. The electric double layer capacitor package includes an exterior case formed of insulating resin and having therein one or more partitions providing a plurality of housing spaces; a plurality of capacitor cells disposed in the plurality of housing spaces, respectively, each capacitor cell including first and second electrodes and a separator interposed between the first and second electrodes; and an internal series-connection terminal buried in each of the partitions and connecting the plurality of capacitor cells in series.

Abstract: A method of forming a capacitor includes the steps of: forming an anode with an anode wire extending there from; forming a dielectric on the anode; forming a cathode layer on the dielectric; providing a substrate comprising at least one via and at least two connectors; inserting the anode wire into a first via; forming an electrical connection between the anode wire and a first connector of the connectors; and forming an electrical connection between the cathode layer and a second connector.

Abstract: A method of manufacturing an energy storage device electrode in which breakage of electrode particles and warping of a collector are reduced, and internal resistance is lowered by lowering the contact resistance between the collector and an electrode layer. The method manufactures an electric double-layer capacitor electrode, and includes: forming a plurality of grooves that run in one direction in each of a front surface and rear surface of a collector foil; subsequently providing an electrode layer that includes plural electrode particles on each of the front surface and rear surface of the collector foil; and subsequently pressing the electrode layer toward the collector foil to move the plurality of electrode particles along the plurality of grooves until the plural electrode particles dig into the plurality of grooves.

Abstract: The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current, electrolyte capacitors produced by this process and the use of such electrolyte capacitors.

Abstract: A method for manufacturing a solid electrolytic capacitor having a solid electrolyte layer containing an electrically conductive polymer layer formed by electrolytic oxidative polymerization, comprising: forming a dielectric layer on a surface of an anode element containing a valve metal; forming an electrically conductive precoat layer on the dielectric layer; and performing electrolytic oxidative polymerization in an electrolytic polymerization solution containing a monomer, a dopant agent and a chelating agent to form the electrically conductive polymer layer on the electrically conductive precoat layer.

Abstract: A method of producing a multilayer capacitor has steps of preparing a plurality of first and second ceramic green sheets, a step of laminating the plurality of first and second ceramic green sheets, and a step of cutting a ceramic green sheet laminate body along predetermined intended cutting lines to obtain laminate chips of individual multilayer capacitor units. When preparing the first ceramic green sheets, first and second internal electrode patterns are formed so that the first and second internal electrode patterns are alternately arranged in a perpendicular configuration, with the first and second internal electrode patterns being continuous across intended cutting lines.

Abstract: To provide an electrolytic capacitor having lead wires excellent in weldability with a boss member made of aluminum, excellent in solder wettability, and less whisker. The lead wires have a nickel plating layer in a thickness of 0.3 to 5.0 ?m, a palladium plating layer in a thickness of 0.01 to 0.10 ?m, and a gold plating layer in a thickness of 0.002 to 0.030 ?m.

Abstract: A porous metal thin film formed from aluminum has a film structure in which domains having an average diameter of 200 nm or more, and 500 nm or less and being formed through aggregation of a plurality of grains having an average grain diameter of 50 nm or more, and 160 nm or less are distributed discretely at an average distance of 5 nm or more, and 40 nm or less, wherein the area occupied by the above-described domains is 60% or more, and 90% or less in a cross-section in any direction of the porous metal thin film.

Abstract: An object of the present invention is to provide a solid electrolytic capacitor comprising an anode body composed of a sintered body, in which ESR scarcely increases even after reflow at the time of mounting when compared with that before mounting, and a method for producing the same. Disclosed is a solid electrolytic capacitor comprising an anode body composed of a sintered body, a dielectric layer formed on a surface of the anode body, a semiconductor layer formed on the dielectric layer, wherein the semiconductor layer comprises a layer of a conductive polymer containing a sulfur element and a conductor layer formed on the semiconductor layer, wherein the conductor layer comprises a layer containing silver, wherein the layer containing silver is less than 1.3 ppm by mass in the content of a sulfur element after heat history at 260° C. for 5 seconds.

Abstract: A method of manufacturing an electrode for an electrochemical device is provided with the steps of: supplying, onto a collector, a powdered mixture containing a binder and an active material; and heating the powdered mixture to form an electrode layer on the collector, that allows continuous mass production of electrodes for electrochemical devices.

Abstract: Provided is a method of manufacturing a solid electrolytic capacitor that suppresses spreading up of a solution. The method includes forming a porous sintered body made of a valve metal and having an anode wire sticking out therefrom; forming an insulating layer made of a fluorine resin, so as to surround the anode wire; and forming a dielectric layer on the porous sintered body; forming a solid electrolyte layer on the dielectric layer, after forming the insulating layer. The process of forming the insulating layer includes melting granular particles made of a fluorine resin.

Abstract: A solid electrolytic capacitor is provided that includes a capacitor element having a dielectric coating, a solid electrolyte, and a cathode lead portion formed in order on a surface of an anode portion having an anode lead portion. The cathode lead portion is electrically connected to a cathode terminal by a connecting portion, and the connecting portion is formed of a sintered body of a metal.

Abstract: The invention describes rolled electroactive polymer devices. The invention also describes employment of these devices in a wide array of applications and methods for their fabrication. A rolled electroactive polymer device converts between electrical and mechanical energy; and includes a rolled electroactive polymer and at least two electrodes to provide the mechanical/electrical energy conversion. Prestrain is typically applied to the polymer. In one embodiment, a rolled electroactive polymer device employs a mechanism, such as a spring, that provides a force to prestrain the polymer. Since prestrain improves mechanical/electrical energy conversion for many electroactive polymers, the mechanism thus improves performance of the rolled electroactive polymer device.

Abstract: A multi-functional, laminated composite comprises a plurality of cloth layers (3) penetrated by an infused matrix, wherein at least one cell (1) for energy storage is supported by and integrally built up from at least one of the cloth layers (3), the cell (1) being embedded in the matrix. The cell may comprise first and second electrodes (6,7) separated by a porous, separator layer (2) that has a liquid electrolyte-permeable, matrix-free intra-electrode region to which the electrolyte (2?) may be added before or after resin infusion to activate the cell. The structural composite may have integrated energy storage comprising a lithium-ion rechargeable cell, optionally of printed construction.

Abstract: An electric double layer capacitor includes a container including electric insulating material for housing the capacitor. At least two electrodes including granular particulate store a charge. An aqueous electrolyte, having a generally neutral pH, floods the at least two electrodes. A separator material including a porous electrical insulating and ionic conducting material separates the at least two electrodes. At least two collectors including graphite each in contact with an electrode conduct current. An elastic compression material compressing the at least two electrodes flooded by the aqueous electrolyte maintains a firm contact of the at least two collectors with material in flooded electrodes. End caps including a high conductivity material joined to the at least two collectors make external electrical connections.

Abstract: A solid electrolytic capacitor manufacturing method includes a process of removing a roughened surface layer (10a?) from a distal portion (13) of a metal member (10) and from part of an intermediate portion (12) adjacent to the distal portion (13), a process of forming a resist (40) on the distal portion (13) and the intermediate portion (12) of the metal member (10), a process of forming a conductive polymer layer (30) of a conductive polymer on a proximal portion (11) of the metal member (10), and a process of removing a resist (40?) and a surface layer portion (13?) of the metal member (10) from the distal portion (13) of the metal member (10).

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 solid electrolytic capacitor including an anode body, a dielectric layer arranged on the anode body, a conductive polymer layer arranged on the dielectric layer, and a cathode layer including a carbon layer arranged on the conductive polymer layer and a silver layer arranged on the carbon layer. The conductive polymer layer includes ridges and valleys formed in a surface that faces toward the cathode layer. The silver layer includes a first silver layer, which is arranged on the carbon layer, covers the ridges and valleys, and mainly contains spherical silver particles, and a second silver layer, which is arranged on the first silver layer and mainly contains silver flakes.