Abstract: A method for fabricating a supercapacitor-like electronic battery includes forming a first current collectors on a substrate. A first electrode is formed on the first current collector. A first electrode is formed from a first solid state electrolyte and a first conductive material where the first conductive material is irreversible to the mobile ions contained in the first solid state electrolyte and the first conductive material exceeds the percolation limit. An electrolyte is formed on the first electrode. A second electrode is formed on the electrolyte. The second electrode is formed from a second solid state electrolyte and a second conductive material where the second conductive material is irreversible to the mobile ions contained in the second solid state electrolyte and the second conductive material exceeds the percolation limit. A second current collector is formed on the second electrode.

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: An improved capacitor is described. The capacitor has an anode with an anode lead wire extending from a first face of the anode. A dielectric layer is on the anode and a cathode is on the dielectric. An anode lead with an anode base and a cavernous anode protrusion extending from the base is provided wherein the anode lead wire is in electrical contact with the anode protrusion. A cathode lead with a cathode base is provided wherein the cathode base is in electrical contact with the cathode on a side face wherein the side face is adjacent the first face and the cathode base and said anode base are coplanar.

Abstract: Provided is a method for forming a capacitor. The method includes: providing an anode with a dielectric thereon and a conductive node in electrical contact with the anode; applying a conductive seed layer on the dielectric; forming a conductive bridge between the conductive seed layer and the conductive node; applying voltage to the anode; electrochemically polymerizing a monomer thereby forming an electrically conducting polymer of monomer on the conductive seed layer; and disrupting the conductive bridge between the conductive seed layer and the conductive node.

Abstract: A winding-type solid electrolytic capacitor package structure includes a winding capacitor unit, a package body and a conductive unit. The winding capacitor has a winding body enclosed by the package body, a positive conductive lead pin having a cutting surface, and a negative conductive lead pin having a grinding surface. The conductive unit includes a positive conductive terminal electrically connected to the positive conductive lead pin and a negative conductive terminal electrically connected to the negative conductive lead pin. The positive conductive terminal has a first embedded portion enclosed by the package body and a first exposed portion exposed outside the package body. The negative conductive terminal has a second embedded portion enclosed by the package body and a second exposed portion exposed outside the package body. The first and the second exposed portions are extended along the outer surface of the package body.

Abstract: A solid electrolytic capacitor is impregnated with a conductive polymer dispersion solution comprising sorbitol. In the capacitor, the hydroxyl group of sorbitol acts as the oxygen source necessary for the anodic oxidation of anodic oxide film when voltage is applied to the solid electrolytic capacitor. Consequently, the oxide film is repaired and withstand voltage property is improved, which is thought to be due to the anodic oxidation that repairs the damage on the oxide film. Superior electric capacitance can further be attained by specifying the sorbitol content in the dispersion solution to be at 60-90 wt %.

Abstract: A capacitor assembly for use in high voltage and high temperature environments is provided. More particularly, the capacitor assembly includes a solid electrolytic capacitor element containing an anode body, a dielectric overlying the anode, and a solid electrolyte overlying the dielectric. To help facilitate the use of the capacitor assembly in high voltage applications, it is generally desired that the solid electrolyte is formed from a dispersion of preformed conductive polymer particles. In this manner, the electrolyte may remain generally free of high energy radicals (e.g., Fe2+or Fe3+ions) that can lead to dielectric degradation, particularly at relatively high voltages (e.g., above about 60 volts). Furthermore, to help protect the stability of the solid electrolyte at high temperatures, the capacitor element is enclosed and hermetically sealed within a housing in the presence of a gaseous atmosphere that contains an inert gas.

Abstract: An electrical double-layer capacitor electrode with excellent capacitance characteristics is obtained together with a manufacturing method therefor. Paper-molded sheet of carbon nanotubes is integrated with etched foil constituting a collector, by means of bumps and indentations formed on the surface of etched foil to prepare an electrical double-layer capacitor electrode. Alternatively, carbon nanotubes grown around core catalyst particles on substrate are integrated with etched foil by means of bumps and indentations formed on the surface of etched foil to prepare an electrical double-layer capacitor electrode. To manufacture these electrodes, this carbon nanotube sheet or substrate with carbon nanotubes grown thereon is laid over bumps and indentations on the surface of etched foil, and the sheet or substrate and the foil are pressed under 0.01 to 100 t/cm2 of pressure to integrate the carbon nanotubes with the etched foil.

Abstract: Disclosed is a high-capacity electrochemical energy storage device in which a conversion reaction proceeds as the oxidation-reduction reaction, and the separation (hysteresis) between the electrode potentials for oxidation and reduction is small. The electrochemical energy storage device includes a first electrode including a first active material, a second electrode including a second active material, and a non-aqueous electrolyte interposed between the first and second electrodes. At least one of the first and second active materials is a metal salt having a polyatomic anion and a metal ion, and the metal salt is capable of oxidation-reduction reaction involving reversible release and acceptance of the polyatomic anion.

Abstract: A solid electrolytic capacitor with suppressed occurrence of short circuit is provided. The solid electrolytic capacitor includes an anode body having a surface on which a dielectric film is formed, and a conductive polymer layer formed on the dielectric film. The conductive polymer layer includes at least a first conductive polymer layer formed on the dielectric film and a second conductive polymer layer formed on the first conductive polymer layer. A silane compound in the first conductive polymer layer and the silane compound in the second conductive polymer layer have respective concentrations different from each other.

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 exemplary embodiment of the invention provides an electroconductive polymer composition having high electroconductivity which is suitable for a solid electrolytic capacitor, and provides a solid electrolytic capacitor having low ESR as well as low leakage current (LC). In an exemplary embodiment of the invention, an electroconductive polymer composition having high electroconductivity is formed by drying an electroconductive polymer suspension solution which comprises a polyanion having a cross-linked structure, an electroconductive polymer, and a solvent. In an exemplary embodiment of the invention, a solid electrolytic capacitor having low ESR as well as low LC is obtained by using the electroconductive polymer composition for a solid electrolyte layer that is an electroconductive polymer layer.

Abstract: To provide an electrolyte solution, which contains an electrolyte compound, a molecular structure of which contains a molecular chain containing a repeating unit of alkylene oxide, and contains quaternary ammonium cations at both terminals of the molecular chain.

Abstract: A reaction container for manufacturing a capacitor element includes a container which accommodates electrolytic solution therein, a partitioning frame which can partition the inside of the container into a plurality of individual chambers, negative electrode members individually arranged in each of the individual chambers, and a constant-current source electrically connected to the cathode members. A passage, which enables movement of the electrolytic solution between each individual chamber and at least one individual chamber of the individual chambers adjacent to each individual chamber, is provided in a manner such that the passage can be opened and closed.

Abstract: A winding-type solid electrolytic capacitor package structure includes a capacitor unit, a package unit and a conductive unit. The conductive unit includes a winding-type capacitor having a first conductive pin and a second conductive pin. The package unit includes a package body for enclosing the capacitor unit. The conductive unit includes a first conductive terminal electrically connected to the first conductive pin and a second conductive terminal electrically connected to the second conductive pin. The first conductive terminal has a first embedded portion contacting the first conductive pin and enclosed by the package body and a first exposed portion connected to the first embedded portion and exposed from the package body. The second conductive terminal has a second embedded portion contacting the second conductive pin and enclosed by the package body and a second exposed portion connected to the second embedded portion and exposed from the package body.

Abstract: A solid electrolytic capacitor that includes a laminated body, a solid electrolyte layer, and conductive bases. The laminated body is obtained by laminating a plurality of dielectric-coated valve action metal sheets, each of which includes a valve action metal base and a dielectric coating, and joining together the adjacent valve action metal bases. The valve action metal base has a cathode layer part, and the dielectric coating covers the surface of the valve action metal base at least the cathode layer part. The valve action metal base of at least one of the dielectric-coated valve action metal sheets further has an anode lead part. The solid electrolyte layer is a continuous layer that fills gaps between the dielectric-coated valve action metal sheets and covers the outer surface of the laminated body at the cathode layer parts, and conductive bases are provided in the solid electrolyte layer.

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 capacitor assembly that includes an electrolytic capacitor that contains an anode body, dielectric overlying the anode, and a solid electrolyte overlying the dielectric is provided. An anode lead is also electrically connected to the anode body and extends therefrom, The capacitor and leadframe are enclosed and hermetically sealed within a ceramic housing in the presence of an inert gas. In this manner, the solid electrolyte (e.g., conductive polymer) is less likely to undergo a reaction in high temperature environments, thus increasing the thermal stability of the capacitor assembly.

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: Provided is a solid electrolytic capacitor which retains a high capacitance and a low ESR and has high heat resistance. The solid electrolytic capacitor (10) is obtained by winding a porous anode foil (11) having a dielectric layer formed thereon and a cathode foil (14) together with separators (15) each interposed therebetween, the separators (15) having a solid electrolyte (13) supported thereon. Each layer of the solid electrolyte comprises a conductive composite (a) of a cationized conductive polymer with a polymer anion, a first hydroxy compound (b) having four or more hydroxy groups, and a second hydroxy compound (c) having an amino group and one or more hydroxy groups, the content of the conductive composite (a), in terms of mass proportion, being lower than that of the first hydroxy compound (b) and higher than that of the second hydroxy compound (c).

Abstract: Provided is a solid electrolytic capacitor having a low initial ESR in which the ESR increase with time can be suppressed. It is a solid electrolytic capacitor, including an electroconductive polymer layer, a graphite layer on the electroconductive polymer layer, and a silver layer on the graphite layer, wherein the electroconductive polymer layer and the graphite layer, and/or, the graphite layer and the silver layer are bonded by a chemical bond.

Abstract: An electrically conductive paste composition comprises: (a) silver powders comprising spherical silver powders having a mean particle size (D50) of over 0.1 ?m and no more than 5 ?m and flake-shaped silver powders having a mean particle size of no more than 10 ?m; and (b) binder resins comprise (b-1) aliphatic thermoplastic resin and (b-2) self-polymerizing thermosetting resin; wherein the content of the silver powders is no more than 60 wt % based on the total weight of the paste composition, wherein the weight ratio of the aliphatic thermoplastic resin for the self-polymerizing thermosetting resin ((b-1)/(b-2)) is 99/1-67/33 and wherein the weight ratio of the silver powders for the binder resins ((a)/(b)) is 94/6-85/15.

Abstract: An electrolytic capacitor includes a capacitor element and an electrolyte solution impregnated into the capacitor element. The capacitor element includes an anode foil, cathode foil, separator, and a solid electrolytic layer. The anode foil has a dielectric layer on its surface, and the cathode foil confronts the anode foil. The separator is interposed between the anode foil and the cathode foil. The solid electrolytic layer is formed on the surfaces of the anode foil, cathode foil, and separator as an aggregate of fine particles of conductive polymer. The separator has an air-tightness not greater than 2.0 s/100 ml. Sizes of the fine particles measure not greater than 100 nm in diameter, and the fine particles are contained in an amount ranging from 0.3 mg/cm2 to 1.2 mg/cm2 converted to amounts per unit area of the anode foil.

Abstract: One embodiment of the present subject matter includes a method for pulse generation in an implantable device, comprising measuring an impedance between a first electrode and a second electrode and delivering a pulse based on a pulse energy level and a pulse duration limit, comprising generating a pulse duration as a function of the pulse energy level and the impedance and selecting a capacitance value from a plurality of capacitances in a partitioned capacitor bank to deliver a pulse at the pulse energy level and wherein the pulse duration is less than the pulse duration limit.

Abstract: A capacitor containing a solid electrolytic capacitor element having a porous anode body and an anode lead assembly is provided. At least one wire of the lead assembly is electrically connected to the anode body for connection to an anode termination. The lead assembly contains first and second lead wires embedded within the anode body and extending therefrom in a longitudinal direction. The first and second wires are bonded/fused together during sintering of the anode body (i.e., “sinter bonded”). The bond may be metallurgical, covalent, electrostatic, etc. Sinter bonding of the wires reduces the path length and resistance for current flow within the anode body, thus reducing ESR. This is particularly useful for anode bodies formed from powders of a high specific charge, which tend to shrink away from the wires after sintering. The sinter bonded wires also result in a lead assembly that is more robust and mechanically stable.

Abstract: A stacked-type solid electrolytic capacitor package structure includes a capacitor unit, a package unit and a conductive unit. The capacitor unit includes a plurality of capacitors stacked on top of one another. The package unit includes a package body enclosing the capacitors. The package body has a top surface defining a package length, a package width and an effective package, and the package width is substantially between 85% and 95% of the package length. The conductive unit includes a first conductive terminal electrically connected to the positive portion of the capacitor and a second conductive terminal electrically connected to the negative portion of the capacitor. One part of the first conductive terminal and one part of the second conductive terminal are enclosed by the package body, and another part of the first conductive terminal and another part of the second conductive terminal are exposed from the package body.

Abstract: A capacitor comprising a capacitor element including a substrate having first and second faces, a porous first rough surface layer formed on the first face and having pores, a first inner conductive polymer layer formed in the pores, a first outer conductive polymer layer formed on the inner conductive polymer layer, a porous second rough surface layer formed on the second face and having pores, a second inner conductive polymer layer formed in the pores, a second outer conductive polymer layer formed on the second inner conductive polymer layer, and a dielectric layer formed on surfaces of the first and the second rough surface layer. A surface area of the second rough surface layer is smaller than that of the first rough surface layer. The second outer conductive polymer layer is thicker than the first outer conductive polymer layer. This structure enables to eliminate warpage of a capacitor element.

Abstract: Electrode foil includes an aluminum alloy having a composition in a region at least 10 ?m deep from a surface of the foil. The composition includes aluminum as a main component and zirconium of at least 0.03 at % and at most 0.5 at %.

Abstract: Improved flow through capacitors (FTC) and methods for purifying aqueous solutions are disclosed. For example, FTC electrodes that are activated with a poly-electrolyte are disclosed.

Abstract: Disclosed herein is a structural sheet includes an energy storage density that is greater than 10-mWh/ft2 and is capable of withstanding greater than 5-KPa stress under at least 5% strain. Further provided is an energy storing structural sheet comprising an electrically conducting current carrying layer that is print formed over a sub assembly that comprises a separator, a foundation, an electrode, and a current bus.

Abstract: A positive electrode 21 and negative electrode 22 formed of a thin metal plate are disposed on the same plane with a space provided therebetween. An insulative resin is disposed in the space between the both electrodes. The insulative resin electrically insulates the positive and the negative electrodes, and making both electrodes integrated as a sheet to form a terminal board. Positive- and negative-electrode drawing portions are formed on the same surface of the main body of a capacitor element, and that surface serves as a joined face with the terminal board. With the terminal board being superimposed on the joined face of the capacitor element, the metal plate forming the positive and negative electrodes of the terminal board are electrically coupled to the positive- and negative-electrode drawing portions of the element, respectively.

Abstract: To provide a solid electrolytic capacitor having a high capacitance and an excellent heat resistance. A solid electrolytic capacitor includes: an anode 2; a dielectric layer 3 provided on the surface of the anode 2; a first conductive polymer layer 4a provided on the dielectric layer 3; a second conductive polymer layer 4b provided on the first conductive polymer layer 4a; a third conductive polymer layer 4c provided on the second conductive polymer layer 4b; and a cathode layer provided on the third conductive polymer layer 4c, wherein the first conductive polymer layer 4a is made of a conductive polymer film formed by polymerizing pyrrole or a derivative thereof, the second conductive polymer layer 4b is made of a conductive polymer film formed by polymerizing thiophene or a derivative thereof, and the third conductive polymer layer 4c is made of a conductive polymer film formed by electropolymerizing pyrrole or a derivative thereof.

Abstract: A solid electrolytic capacitor having an anode element, a dielectric film covering a surface of the anode element, a conductive polymer layer provided on the dielectric film, and a water-repellent portion provided on the dielectric film not in contact with the conductive polymer layer and containing silicone oil is provided.

Abstract: An electrically conductive paste composition comprises: (a) silver powders comprising spherical silver powders having a mean particle size (D50) of over 0.1 ?m and no more than 5 ?m and flake-shaped silver powders having a mean particle size of no more than 10 ?m; and (b) binder resins comprise (b-1) aliphatic thermoplastic resin and (b-2) self-polymerizing thermosetting resin; wherein the content of the silver powders is no more than 60 wt % based on the total weight of the paste composition, wherein the weight ratio of the aliphatic thermoplastic resin for the self-polymerizing thermosetting resin ((b-1)/(b-2)) is 99/1-67/33 and wherein the weight ratio of the silver powders for the binder resins ((a)/(b)) is 94/6-85/15.

Abstract: The present technology relates to fused capacitor structures provided with a leadframe design configured to accepting a plurality of selectively placed fuses. The leadframe and fuse configuration enables construction of fused capacitors exhibiting low Equivalent Series Resistance (ESR) and allows construction of a variety of fuse configuration using a single leadframe design.

Abstract: A method of fabricating a solid electrolytic capacitor of an aspect includes the steps of preparing an anode element with a dielectric layer formed on a surface thereof, forming a solid electrolytic layer on the dielectric layer, forming a carbon layer on the solid electrolytic layer, bringing an aqueous polymer into contact with the carbon layer, and forming a silver paste layer on the aqueous polymer. A method of fabricating a solid electrolytic capacitor and a solid electrolytic capacitor that can be improved in characteristics can thus be obtained.

Abstract: Particulate silicon oxide having a Cu content of 100-20,000 ppm, an Fe content of 20-1,000 ppm, an Al content of up to 1,000 ppm, an average particle size of 0.1-30 ?m, and a BET specific surface area of 0.5-30 m2/g is used as negative electrode material in constructing a nonaqueous electrolyte secondary battery. The secondary battery is improved in cycle performance while maintaining the high battery capacity and low volume expansion of silicon oxide.

Abstract: A capacitor with improved ESR and improved volumetric efficiency. The capacitor has an anode body wherein the anode body comprises a face and an inward offset which is inset from the face by a distance. An anode wire extends from a front side of the anode body wherein the front side is adjacent the face. A dielectric is on the anode body and a conductive cathode layer is on the dielectric. A cathode lead is in the inward offset and in electrical contact with the conductive cathode layer wherein the conductive cathode layer is between the cathode lead and the inward offset.

Abstract: An anode includes a first region adjacent to a root of an anode lead, a second region at a corner of one end surface of the anode, a third region between the first region and the second region, and a fourth region in the interior of the anode into which the anode lead is embedded. The thicknesses of a dielectric layer in the first region and the second region are greater than the thicknesses of the dielectric layer in the third region and the fourth region.

Abstract: A solid electrolytic capacitor comprises an insulating substrate in which an anode terminal and a cathode terminal are formed. The anode terminal comprises a first anode section formed on a first surface of the insulating substrate, and a second anode section formed on a second surface of the insulating substrate, which are electrically connected to each other. The cathode terminal comprises a first cathode section formed on the first surface and a second cathode section formed on the second surface, which are electrically connected to each other. A distance between the first anode section and the first cathode section is smaller than a distance between the second anode section and the second cathode section. And an anode section and a cathode section of a capacitor element are electrically connected to the first anode section and the first cathode section respectively.

Abstract: There is provided a method to provide a capacitor element including a porous body of a valve metal, and a dielectric layer of an oxide layer of the valve metal. The method includes a first sequential process, and a second sequential process. The first sequential process includes: immersing the capacitor element in a first liquid of dispersion of a conductive polymer obtained by means of oxidation polymerization of thiophene or its derivative in the presence of a dopant of a polymer anion; taking out the capacitor element from the first liquid; and drying the capacitor element. Subsequent second sequential process includes: immersing the capacitor element in a second liquid which dissolves a cyclic organic compound having at least one hydroxyl group; taking out the capacitor element from the second liquid; and drying the capacitor element.

Abstract: A capacitor for an implantable medical device is presented. The capacitor includes an anode, a cathode, a separator therebetween, and an electrolyte over the anode, cathode, and separator. The electrolyte includes ingredients comprising acetic acid, ammonium acetate, phosphoric acid, and tetraethylene glycol dimethyl ether. The capacitor has an operating voltage ninety percent or greater of its formation voltage.

Abstract: A winding-type solid electrolytic capacitor package structure includes a capacitor unit, a package unit and a conductive unit. The conductive unit includes a winding-type capacitor having a first conductive pin and a second conductive pin. The package unit includes a package body for enclosing the capacitor unit. The conductive unit includes a first conductive terminal electrically connected to the first conductive pin and a second conductive terminal electrically connected to the second conductive pin. The first conductive terminal has a first embedded portion contacting the first conductive pin and enclosed by the package body and a first exposed portion connected to the first embedded portion and exposed from the package body. The second conductive terminal has a second embedded portion contacting the second conductive pin and enclosed by the package body and a second exposed portion connected to the second embedded portion and exposed from the package body.

Abstract: An electrode foil for capacitor includes a substrate made of valve metal and a rough-surface layer on the substrate. The rough-surface layer includes a base layer on the substrate and a cover layer on the base layer. The base layer includes first fine particles made of valve metal. The cover layer includes second fine particles made of valve metal. The first fine particles have an average particle diameter larger than that of the second fine particles. This electrode foil has the rough-surface layer that can be produced stably by vapor deposition and provides an electrolytic capacitor having a large capacitance.

Abstract: A solid electrolytic capacitor includes a capacitor element, an anode terminal, and a cathode terminal. The capacitor element includes an anode body, an anode member buried in the anode body, a dielectric layer formed on part of a surface of the anode body, an electrolyte layer formed on the dielectric layer, and a cathode layer formed on the electrolyte layer. The anode member extends in a predetermined direction along a lower surface of the anode body, and has a lower end portion exposed at the lower surface of the anode body. The anode terminal is electrically connected to the lower end portion. The cathode terminal is electrically connected to the cathode layer at a position below the lower surface of the anode body. The anode and cathode terminals are spaced apart from each other in a direction substantially perpendicular to a direction in which the anode member extends.

Abstract: A structural electrochemical capacitor that includes at least one pair of electrodes and a solid electrolytic material disposed between the electrodes which, taken collectively, have sufficient mechanical strength to allow the electrochemical capacitor to be used as a structural component of an article of manufacture is described. The present invention also describes a method of capacitively storing electrical energy and conserving mass and/or volume in a device that includes the steps of: fabricating portions of the structure of a device with high-strength structural electrochemical capacitor that includes at least one pair of electrodes and a body of solid electrolytic material disposed between said electrodes wherein the body of solid electrolytic material accounts for a majority of the mass of a structural element or a majority of the volume of a structural element in the device.

Abstract: A silver paste layer constituting a collector layer in a solid electrolytic capacitor includes first silver particles having a peak particle size of 150 nm or less, second silver particles having a peak particle size of 500 nm or more, inorganic particles composed of material different from silver, and resin material. The inorganic particles are included at a volume ratio of 15% or more and 50% or less with respect to the total of the first silver particles and the second silver particles.

Abstract: A capacitor includes a positive foil, an electrolyte layer, a negative foil, a plurality of positive guide needles and a plurality of negative guide needles. The electrolyte layer has a first surface and a second surface opposite to each other. The first surface overlaps the positive foil, and the second surface overlaps the negative foil. The positive guide needles are disposed at the positive foil. The negative guide needles are disposed at the negative foil. The positive foil, the electrolyte layer and the negative foil are wound to make the capacitor be a cylinder, and the positive guide needles and the negative guide needles protrude from the cylinder, respectively.

Abstract: Provided are a solid electrolytic capacitor including an anode, a dielectric layer provided on a surface of the anode, a coupling agent layer provided on the dielectric layer, a conductive polymer layer provided on the coupling agent layer, and a cathode layer provided on the conductive polymer layer, wherein the coupling agent layer contains a first coupling agent having a phosphonic acid group and a second coupling agent which is a silane coupling agent, and a method for manufacturing the solid electrolytic capacitor.

Abstract: A composite cathode foil is provided. The composite cathode foil includes an aluminum substrate, a metal layer formed thereon, a metal carbide layer formed on the metal layer, and a carbon layer formed on the metal carbide layer, wherein the metal of the metal layer is selected from the group consisting of IVB, VB and VIB groups. The invention also provides a solid electrolytic capacitor including the composite cathode foil.