Abstract: An electrolytic capacitor includes a capacitor element and a liquid component. The capacitor element includes an anode body that includes a dielectric layer on a surface of the anode body and a conductive polymer that covers a part of the dielectric layer. The liquid component includes a first solvent and a polyalkylene glycol component. The first solvent contains at least a glycerin component.

Abstract: A multilayer ceramic capacitor includes dielectric layers and internal electrode layers. Internal electrode layers adjacent to a first main surface define first main surface-side internal electrode layers, and internal electrode layers adjacent to the second main surface define second main surface-side internal electrode layers, first solid solution layers including a second metal as a solid solution is provided at interfaces between the first main surface-side internal electrode layers and the dielectric layers, the interfaces being in the first main surface-side internal electrode layers, and second solid solution layers including the second metal as a solid solution is provided at interfaces between the second main surface-side internal electrode layers and the dielectric layers, the interfaces being in the second main surface-side internal electrode layers. A concentration of the second metal in the second solid solution layer is higher than that of the second metal in the first solid solution layer.

Abstract: A multilayer ceramic electronic component includes a ceramic body including a capacitance formation portion including a dielectric layer and first and second internal electrodes with the dielectric layer interposed therebetween; and first and second external electrodes disposed on the first and second surfaces of the ceramic body, respectively, and including first and second base electrodes connected to the first and second internal electrodes and first and second conductive layers disposed to cover the first and second base electrodes. When a thickness of the first and second conductive layers in a central portion of the first and second surfaces of the ceramic body is ‘a’, and a thickness of the first and second conductive layers at an end of the capacitance formation portion is ‘b’, ‘b/a’ is 0.07 or more.

Abstract: A capacitor element has a water-soluble first polymer disposed on the surfaces of anode and cathode members and a water-dispersible second polymer disposed on the surfaces of the anode and cathode members on which the first polymer is disposed. The second polymer electrically connects together the anode and cathode members. Between the surfaces of the anode and cathode members and between the inner face of a case and the outer face of the capacitor element, a solid-at-normal-temperature substance is disposed that has an electrolyte dissolved in a solvent that is solid at or below a first temperature and that melts when heated to or above a second temperature higher than the first temperature.

Abstract: Fabricating a capacitor includes forming conduits in a porous layer of material. The porous layer of material has particles that each includes a dielectric on a core. The formation of the conduits causes a portion of the dielectric to convert from a first phase to a second phase. The method also includes removing at least a portion of the second phase of the dielectric from the porous layer of material.

Abstract: An electric double layer capacitor (EDLC) is disclosed including: a first electrode including a first current collector and first plurality of carbon nanotubes (CNTs) disposed substantially directly upon the first current collector; a second electrode comprising a second current collector and second plurality of CNTs disposed substantially directly upon the second current collector; and an electrolyte disposed between and in contact with (e.g., wetting) the first and second electrodes. In some embodiments, the EDLC is configured to have a capacitive frequency window comprising about 1 Hz to about 50 Hz.

Abstract: A power electronic assembly with a housing and a capacitor device therein. The capacitor device has capacitor elements, each with a first and a second capacitor contact device, and a capacitor busbar having a first metal shaped body with a first contact point and a second metal shaped body with a second contact point. The first metal shaped body of first polarity has a plurality of first terminal contact devices each connected to a first capacitor contact device and the second metal shaped body of second polarity has a plurality of second terminal contact devices each connected to a second capacitor contact device. The individual current paths each formed from a first partial current path between the first contact point and a first terminal contact device and a second partial current path between the second terminal contact device associated with the first and the second contact point each have the same current path length.

Abstract: A tantalum capacitor includes a tantalum body having one surface which a tantalum wire extends from, a molded portion including first and second surfaces facing each other in a first direction and third and fourth surfaces facing each other in a second direction, and surrounding the tantalum body, a first lead frame including a first electrode portion in contact with the second surface of the molded portion, a second electrode portion connected to the first electrode portion, a third electrode portion connected to the second electrode portion, and a fourth electrode portion connected to the third electrode portion and the tantalum wire, and a second lead frame disposed to be in contact with the second surface of the molded portion and spaced apart from the first lead frame. The second electrode portion and the third electrode portion are inclined in different directions with respect to the second surface.

Abstract: To provide an electrolytic capacitor having a configuration that achieves a low impedance by increasing the content of water, satisfies a withstand voltage of 400 V or more, and is capable of enhancing the long-term reliability. Provided as a solution is an electrolytic capacitor (1) including an electrolytic solution (2e) containing ethylene glycol, 10 to 30% by mass of water, and 1 to 12% by mass of an amine salt of a carboxylic acid, having added thereto 0.01 to 2% by mass of one or more kind of ammonium hypophosphite, an amine salt of hypophosphorous acid, and hypophosphorous acid, the carboxylic acid being a polycarboxylic acid having a chain hydrocarbon skeleton and a molecular weight of 140 to 500.

Abstract: A capacitor includes a capacitor body including a plurality of dielectric layers and a plurality of internal electrode layers being stacked alternately. The plurality of dielectric layers mainly include crystal grains containing barium titanate as a main component. The plurality of dielectric layers contain magnesium, a rare earth element, and manganese. The plurality of dielectric layers include oxide grains containing at least one of the magnesium, the rare earth element, or the manganese as a single element.

Abstract: A multi-layer ceramic electronic component includes: a ceramic body that includes internal electrodes laminated in a first direction, and a pair of main surfaces including a center region facing in the first direction; and a pair of external electrodes connected to the internal electrodes and facing each other in a second direction orthogonal to the first direction, a dimension of the ceramic body in the first direction being 1.1 times or more and 1.6 times or less a dimension of the ceramic body in a third direction orthogonal to the first direction and the second direction, the center region being formed at a center portion of at least one of the pair of main surfaces in the second direction.

Abstract: A multilayer ceramic capacitor includes a ceramic body including a dielectric layer, a plurality of internal electrodes disposed inside the ceramic body and each exposed to first and second surfaces of the ceramic body and to one of the third and fourth surfaces, and a first side margin portion and a second side margin portion disposed on sides of the plurality of internal electrodes exposed to the first and second surfaces. The ceramic body includes an active portion including the plurality of internal electrodes disposed to overlap each other with the dielectric layer interposed therebetween to form capacitance, an upper cover portion disposed above the active portion, and a lower cover portion disposed below the active portion. The first and second side margin portions have a dielectric composition different from a dielectric composition of one of the upper cover portion and the lower cover portion.

Abstract: A multilayer ceramic capacitor includes a multilayer body including ceramic layers and internal electrode layers laminated therein, a pair of external electrodes electrically connected to the internal electrode layers and provided on two end surfaces of the multilayer body. The pair of external electrodes each include a base electrode layer including a metal component, an electrically conductive resin layer on the base electrode layer and including a thermosetting resin and a metal component, and a Ni-plated layer on the electrically conductive layer. A stress of about ?150 MPa or more and about 50 MPa or less is applied to the Ni-plated layer, and an end portion of the Ni-plated layer being in contact with the multilayer body.

Abstract: An integrated component may include a multilayer capacitor include a first active termination, a second active termination, at least one ground termination, and a pair of capacitors connected in series between the first active termination and the second active termination. The integrated component may include a discrete varistor comprising a first external varistor termination connected with the first active termination and a second external varistor termination connected with the second active termination of the multilayer capacitor.

Abstract: A nanocomposite electrode and supercapacitor thereof are disclosed. The nanocomposite electrode includes a substrate, at least one binding compound, at least one carbonaceous compound, and vanadium doped spinel ferrite nanoparticles (V-SFNPs). The V-SFNPs have a formula of CoxNi1-xVyFe2-yOz, wherein x=0.1-0.9, y=0.01-0.10, and z=3-5. The substrate is at least partially coated on a first side with a mixture comprising the V-SFNPs, the at least one binding compound, and the at least one carbonaceous compound. Two of the nanocomposite electrodes are combined to form the supercapacitor.

Abstract: A laminated ceramic electronic component according to the present disclosure includes a laminated body in which ceramic layers and electrode layers are alternately laminated, a pair of external electrodes provided at end portions of the laminated body, and an intermediate electrode configured to electrically connect at least one electrode layer and one of the external electrodes, wherein the intermediate electrode contains a conductive carbon material.

Abstract: A capacitor structure, a method for manufacturing a capacitor structure and a method for operating a capacitor structure are provided. The capacitor structure includes a first electrode and a second electrode; a dielectric layer between the first electrode and the second electrode; and an oxygen donor layer between the dielectric layer and the first electrode. An oxygen concentration of the oxygen donor layer increases along a thickness direction from a first surface proximal to the dielectric layer to a second surface proximal to the first electrode.

Abstract: A multilayer electronic component may include a cover layer disposed on a first surface of a body and extending onto a first band portion of a first external electrode and a second band portion of a second external electrode, in which the cover layer includes an insulating portion disposed between the first external electrode and the second external electrode and including an insulating material, a first conductive portion connected to the insulating portion and disposed on the first band portion, and a second conductive portion connected to the insulating portion and disposed on the second band portion, and the first and second conductive portions include a conductive metal and a resin.

Abstract: A monolithic ceramic capacitor has a plurality of dielectric layers and a plurality of conductive layers sintered together to form a substantially monolithic ceramic body. The ceramic body defines at least one void between the dielectric and conductive layers. The void is at least partially enclosed within the ceramic body and bounded by at least a portion of a dielectric layer, a first conductive layer, and a second conductive layer. Within the dielectric body, the first and second conductive layers are connected in a nonconductive manner.

Abstract: A nanocomposite electrode and supercapacitor thereof are disclosed. The nanocomposite electrode includes a substrate, at least one binding compound, at least one carbonaceous compound, and vanadium doped spinel ferrite nanoparticles (V-SFNPs). The V-SFNPs have a formula of CoxNi1-xVyFe2-yOz, wherein x=0.1-0.9, y=0.01-0.10, and z=3-5. The substrate is at least partially coated on a first side with a mixture comprising the V-SFNPs, the at least one binding compound, and the at least one carbonaceous compound. Two of the nanocomposite electrodes are combined to form the supercapacitor.