Abstract: A multilayer electronic component includes a silicon (Si) organic compound layer having a body cover portion disposed in a region, in which electrode layers are not disposed, of external surfaces of a body, and an extending portion disposed to extend from the body cover portion between an electrode layer and a conductive resin layer of an external electrode, and thus, may improve bending strength and humidity resistance reliability.

Abstract: A method of manufacturing a capacitor assembly package structure includes providing a capacitor unit and a conductive connection layer, in which the capacitor unit includes a plurality of capacitors, and each of the capacitors includes a positive portion and a negative portion electrically connected to the conductive connection layer; partially enclosing the capacitors by an insulative package body, in which the positive portion of each of the capacitors has a positive lateral surface exposed from a first lateral surface of the insulative package body; and then enclosing a first portion of the insulative package body and electrically connecting to the positive portion of each of the capacitors by a first electrode structure, and enclosing a second portion of the insulative package body and electrically connecting to the conductive connection layer by a second electrode structure.

Abstract: A composite electrode foil roll for manufacturing an electrolytic capacitor, including: bands of electrode foils; strips of an isolating material positioned along a width of the composite electrode foil roll at a plurality of locations. The plurality of locations are at equal distances and correspond to a length of an inner cavity of a case of the electrolytic capacitor. The bands of electrode foils and strips of an isolating material are alternating. A method of manufacturing the composite electrode foil roll including alternating bands of electrode foils and strips of an isolating material. The strips are positioned along a width of the composite electrode foil roll at repeated locations. The repeated locations are at equal distances corresponding to a length of an inner cavity of a case of the electrolytic capacitor.

Abstract: A multilayer ceramic electronic component includes an end surface of a second external electrode and an end surface of a fourth external electrode that face a mounting surface of a mounting substrate on which a first multilayer ceramic electronic component body and a second multilayer ceramic electronic component body are mounted. A first metal terminal is connected to the second external electrode, a second metal terminal is connected to the fourth external electrode, and a connection terminal is connected across a first external electrode and a third external electrode. An insulator is disposed between the first multilayer ceramic electronic component body and the second multilayer ceramic electronic component body.

Abstract: This application provides a multilayer solid aluminum electrolytic capacitor and a method for preparing the same. The multilayer solid aluminum electrolytic capacitor includes a plurality of cores, a rivet, a case, and a cover plate. The cores are stacked in sequence and fastened in the case through the rivet to form a semi-finished capacitor. The semi-finished capacitor is covered by the cover plate and then sealed to form the solid aluminum electrolytic capacitor.

Abstract: A ceramic electronic component includes a body, including a dielectric layer and an internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual shell includes a first shell, surrounding at least a portion of the core, and a second shell, surrounding at least a portion of the first shell. The dual shell includes different types of rare earth elements R1 and R2, and R2S1/R1S1 is 0.01 or less and R2S2/R1S1 is 0.5 to 3.0, where R1S1 and R1S2 denote concentrations of R1 included in the first shell and the second shell, respectively, and R2S1 and R2S2 denote concentrations of R2 included in the first shell and the second shell, respectively.

Abstract: To provide a multilayer electronic component of which a reliability is not compromised and also a crack is suppressed from forming even when the multilayer electronic component is made thinner. A multilayer electronic component including an element body in which at least one dielectric layer and at least one internal electrode layer are stacked in an alternating manner, wherein a thickness variation of the at least one internal electrode layer is larger than a thickness variation of the at least one dielectric layer.

Abstract: The invention relates to an energy storage device (21) comprising a substrate with a groove (3) having a first and a second face (9a, 9b). A capacitor material (5) in the groove (3), the capacitor material having an upper surface (25). The first and the second face (9a, 9b) of the groove (3) each having a coat of electrically conductive material (7) wherein the coats of electrically conductive materials (7) on the first and second faces (9a, 9b) are electrically separated. And wherein, a non-insulating element (23) is configured to be electrically contactable with the upper surface (25) of the capacitor material and when in electrical contact is electrically separated from the coats of electrically conductive materials (7) on the first and second surfaces by the capacitor material (9a, 9b).

Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which each of a plurality of dielectric layers and each of a plurality of internal electrode layers are alternately stacked. A ceramic protection section includes a cover layer and a side margin. A main component ceramic of the ceramic protection section is a ceramic material having a perovskite structure expressed as a general formula ABO3. An A site of the perovskite structure includes at least Ba. A B site of the perovskite structure includes at least Ti and Zr. A Zr/Ti ratio which is a molar ratio of Zr and Ti is 0.010 or more and 0.25 or less. An A/B ratio which is a molar ratio of the A site and the B site is 0.990 or less.

Abstract: A multilayer electronic component includes a silicon (Si) organic compound layer having a body cover portion disposed in a region in which an electrode layer and a conductive resin layer are not disposed, of external surfaces of a body, and an extending portion disposed to extend from the body cover portion between a conductive resin layer and a plating layer of an external electrode, and thus, may improve bending strength and moisture resistance reliability.

Abstract: A power converter includes a switching circuit and a capacitor module. The capacitor module includes a capacitor element, a capacitor case, an encapsulating resin, and a capacitor bus bar. The capacitor bus bar includes an element connection section, which is connected to the capacitor element inside the encapsulating resin, a terminal connection section, which is connected to a power terminal outside the encapsulating resin, and a power supply connection section, which is connected to power supply wiring outside the encapsulating resin. The power supply wiring is electrically connected to a DC power supply. The capacitor bus bar includes a DC path, which constitutes a current path between the terminal connection section and the power supply connection section. The DC path is exposed to the outside of the encapsulating resin.

Abstract: A multilayer electronic component includes a body including an active portion inducing dielectric layers and internal electrodes, and upper and lower cover portions, and external electrodes including connection portions and band portions extending onto portions of first and second surfaces of the body, and including an electrode layer and a conductive resin layer. In a cross-section of the body, when a line along which the band portion of the conductive resin layer is in contact with the first surface is d, an area of an isosceles right triangle, in which d is a base and an extension line extending from an end of the electrode layer by a length of d is a height, is K1, and a ratio of the area occupied by dummy electrodes in the lower cover portion and the internal electrodes in K1 to K1 is K2, K2 is 20% or more.

Abstract: Disclosed herein is an electrochemical device forming a chip-capacitor or a super-capacitor. The electrochemical device includes: a ceramic substrate having a nonconductive ceramic layer, a current collecting layer disposed on a nonconductive ceramic layer and made of ceramic or cermet, and a metal layer arranged on outer surfaces of the nonconductive ceramic layer and the current collecting layer; an electrode having a positive electrode and a negative electrode and formed on the current collecting layer; and a nonconductive ceramic packaging module located on the ceramic substrate to accommodate electrolyte therein, wherein the metal layer is exposed to the outside of the nonconductive ceramic packaging module.

Abstract: An electrolytic capacitor includes an anode body, a cathode body, and a conductive polymer and a liquid component that are disposed between the anode body and the cathode body. The liquid component contains an acid component, a base component, and an aromatic additive. The acid component includes at least one of an aromatic carboxylic acid and an aromatic carboxylic acid derivative. The at least one of the aromatic carboxylic acid and the aromatic carboxylic acid derivative includes at least two carboxy groups and at least one aromatic ring. A content proportion of the base component in the liquid component is more than or equal to 1% by mass. The aromatic additive includes an electron withdrawing group and an electron donating group. A content ratio of the aromatic additive contained in the liquid component is more than or equal to 50 parts by mass with respect to 100 parts by mass of the conductive polymer.

Abstract: A film capacitor preferably includes a single film capacitor layer wound around itself in adjacent layers to form a winding. The film capacitor layer preferably includes a dielectric film, a first metallization layer formed on the dielectric film, a dielectric coating formed on the first metallization layer, and a second metallization layer formed on the dielectric coating. A metallic contact layer is preferably formed on an outer edge of the winding. A terminal is preferably formed on an outer edge of the metallic contact layer. An insulating material preferably encapsulates the winding, the metallic contact layer, and a portion of the terminal. The capacitor as self-healing properties. Further, the border of the electrodes may be wave-cut. Further, an insulating gap may be added between the border and the upper electrode.

Abstract: A capacitor component includes a body having a lamination portion in which first internal electrodes and second internal electrodes are alternately disposed to face each other in a first direction with dielectric layers disposed therebetween, and first and second margin portions disposed on respective opposing sides of the lamination portion in a second direction perpendicular to the first direction. First and second external electrodes are disposed on respective opposing sides of the body in a third direction and are electrically connected to the first and second internal electrodes, respectively. Each of the first and second margin portions includes a reinforcing pattern.

Abstract: A multilayer capacitor includes a body including a dielectric layer and internal electrodes; and an external electrode disposed on the body to be connected to the internal electrode, wherein the dielectric layer includes a plurality of grains having a core-shell structure having a pore in a core, and the dielectric layer includes 20% to 40% of grains having two or less pores, among the plurality of grains.

Abstract: A multilayer capacitor includes a capacitor body including first to sixth surfaces and including a plurality of dielectric layers and first and second internal electrodes alternately disposed with the dielectric layers interposed therebetween, and first and second external electrodes disposed on the third and fourth surfaces of the capacitor body and connected to the first and second internal electrodes, respectively, wherein the capacitor body includes an active region in which the first and second internal electrodes overlap in a first direction, and at least a portion of a margin portion excluding the active region in the capacitor body has a ratio of Ba to Ti less than 1 (Ba/Ti<1) and has a twin boundary structure.

Abstract: A power storage device includes an electricity storage element, a case, and a sealing member which includes an elastic member. The elastic member contains an elastic polymer and a hindered phenol compound. The hindered phenol compound having a phenol skeleton includes a first hindered group and a second hindered group. The first hindered group is bonded to a first substitution site of the phenol skeleton, and the second hindered group is bonded to a second substitution site of the phenol skeleton. Each of the first substitution site and second substitution site is adjacent to a substitution site of the phenol skeleton to which a phenolic hydroxy group is bonded. One of one or more tertiary carbon atoms in the first hindered group and one of one or more tertiary carbon atoms in the second hindered group are bonded to the first substitution site and the second substitution site, respectively.

Abstract: A hybrid supercapacitor where the charging state is indicated by color is demonstrated. The device comprises a molecular network that functions as both the battery-type electrode and the charge indicator. Related batteries, electrodes and devices, their processes of preparation and methods of use are provided as well.