101results about "Capacitor terminals" patented technology

An electrolytic capacitor including-includes an anode body that is porous, an anode wire including a buried part buried in the anode body and a protrusion part protruding to an outside of the anode body, a dielectric layer disposed on a surface of the anode body, a cathode part covering at least a part of the dielectric layer, an anode terminal electrically connected to the anode wire, and a cathode terminal electrically connected to the cathode part. A corner defined by three sides of the anode body is chamfered by an intersecting surface intersecting each of the three sides, the three sides intersecting each other. The protrusion part is protruded from the intersecting surface and is connected to the anode terminal.

By improving the conductivity efficiency, the temperature rise at the crimped portion is suppressed, providing an electrolytic capacitor with excellent reliability, and a method for manufacturing an electrolytic capacitor. [Solution] The electrolytic capacitor according to the present invention comprises an anode foil, a cathode foil, a separator, and lead terminals connected to the anode foil and the cathode foil, respectively. The lead terminal consists of a terminal portion, a lead wire, and a connection portion. The terminal portion has at least two crimped connection portions, which are perforated in a state where it is superimposed on the anode foil or the cathode foil, bent toward the anode foil or the cathode foil, and press-connected. The diameter of the press-connected crimped bent portion of the first crimped connection portion on the lead wire side of the terminal portion is larger than the diameter of the bent portion of the second crimped connection portion. The ratio of the diameter of the bent portion of the first crimped connection portion to the crimping distance between the first crimped connection portion and the second crimped connection portion is 1:0.9 to 1:1.3.

To provide a solid electrolytic capacitor having high reliability and high productivity by maintaining high airtightness while maintaining excellent electrical characteristics and a manufacturing method of the same.SOLUTION: A solid electrolytic capacitor comprises: a capacitor element 1 which has an anode body 2, a dielectric oxide covering layer 3 covering the anode body 2, and a cathode body 6 formed on the dielectric oxide covering layer 3 so as to be insulated from the anode body 2; an exterior body 10 which covers the capacitor element 1; a contact layer 11 which is formed in an anode terminal part 9 being an end of the anode body 2 and has a surface 11S with prescribed surface roughness; and an anode side electrode layer (12) which covers the surface 11S.SELECTED DRAWING: Figure 2

The invention discloses a series-parallel connection combined tantalum electrolytic capacitor, and belongs to the technical field of electronics, limiting sleeves are distributed on a bottom plate, limiting blocks are installed around the inner rings of the limiting sleeves, capacitors are placed in the limiting sleeves and the limiting blocks, and limiting partition plates are installed at the positive and negative ends of the capacitors. Limiting holes for leading out the positive and negative ends of the capacitor are formed in the limiting partition plates, wire limiting pieces are installed at the corresponding positions of the limiting holes, an assembling cavity is formed in the capacitor containing piece, placing frames are symmetrically installed at the upper end of the assembling cavity, the limiting partition plates are placed and connected through the placing frames, and the capacitor in the cavity is accurately pressed and positioned through the limiting partition plates. The capacitor is ensured to be stable and displacement-free in subsequent assembling and using processes, meanwhile, the influence of contact friction and electric field interference on the service life of wires is effectively reduced, circuit faults caused by early aging of the wires are avoided, and the operation stability and the service life of the whole device are remarkably improved.

A solid electrolytic capacitor includes: an element stack, an anode terminal, a cathode terminal, and an outer member covering the element stack, the anode terminal, and the cathode terminal in a state where a part of each of the anode terminal and the cathode terminal is exposed. The element stack has a plurality of capacitor elements stacked with each other, and a conductive material interposed between adjacent two capacitor elements among the plurality of capacitor elements. Each of the plurality of capacitor elements includes an anode portion and a cathode portion, and the conductive material is disposed on the cathode portion. The anode terminal is connected to the anode portion. The cathode terminal is connected to the cathode portion via a conductive paste. In addition, the cathode terminal has an opposing surface opposing a front end of the element stack with a gap therebetween, and a seal material is filled in at least a part of the gap.

Various embodiments of an electrical component and a method of forming such component are disclosed. The electrical component includes a substrate having a first major surface, a second major surface, and a cavity disposed in the substrate. The cavity extends between the first major surface and the second major surface. The electrical component also includes an anode electrode that includes a conductive foil layer disposed on the second major surface of the substrate and over the cavity. Tantalum material is disposed within the cavity and includes tantalum particles. A dielectric layer is disposed on the tantalum particles, and an electrolyte cathode layer is disposed on the dielectric layer. The electrical component also includes a cathode electrode disposed over the cavity.

A capacitor and an electronic device comprising same are disclosed. An electronic device according to the present disclosure may comprise: a substrate; a plurality of capacitors mounted on the substrate, each of the plurality of capacitors including a case extending to accommodate an electrolyte therein, and a cap coupled to one end of the case in the direction in which the case extends configured to restrict scattering of the electrolyte; and a fixing member comprising a protrusion and configured to press the perimeters of the caps in the radial direction of the caps to fix the plurality of capacitors to the substrate.

The utility model discloses a capacitor capable of preventing conductive polymer degradation, comprising a housing, a capacitor core and a cover plate, the capacitor core is arranged in the housing, the capacitor core is provided with a leading-out wire, a fixing band and an insulating layer, the cover plate is connected with the housing, the cover plate is provided with a leading-out end, the capacitor core is connected with the leading-out end through the leading-out wire, and the fixing band is arranged on the fixing band. The insulating layer is arranged between the capacitor core and the cover plate, and the outgoing line penetrates through the insulating layer. According to the utility model, the rivets on the cover plate are isolated through the insulating spacer, and the lead foil and the upper end face of the capacitor core form insulation shielding, so that direct contact between the lead-out foil and the conductive polymer on the upper end face of the capacitor core is avoided, and the conductive polymer on the core is prevented from being degraded by the rivets and the lead foil in the electrifying process of the capacitor; and the reliability of the capacitor is improved.

The present disclosure provides a core package, an aluminum electrolytic capacitor and a packaging method thereof. The core package includes a plurality of first electrode foils and second electrode foils laminated one on another, each of the first electrode foils is an anode foil or a cathode foil, and the second electrode foil is the other. Among the plurality of first electrode foils, a first conductive foil is arranged at the edge of each of the first electrode foils, a first portion of the first conductive foil is electrically coupled to the corresponding first electrode foil, and a second portion of the first conductive foil extends and protrudes relative to the corresponding first electrode foil; and the plurality of first conductive foils are connected to a first conductive foil strip through the second portion; and an oxide film is formed on a surface of the first conductive foil.

Provided is a method of manufacturing a lead terminal for a power storage device, the lead terminal including: an electrode terminal (2) formed of a wire material (100) mainly containing aluminum or copper; and a lead wire (3) connected to the electrode terminal through intermediation of a welded portion (4), the method including: a first step of aligning the wire material and the lead wire in a straight line, and holding the wire material and the lead wire under a state in which a distance between an end surface (100b) of the wire material on the lead wire side and an end surface (3b) of the lead wire on the wire material side is maintained at a predetermined distance; a second step of applying, by a laser irradiation machine (400), a laser beam to an end portion (100a) of the wire material on the lead wire side to melt the end portion; and a third step of pushing one of the wire material or the lead wire toward another one of the wire material or the lead wire in an axial direction after an elapse of a predetermined time from a time point of start of irradiation with the laser beam in the second step to form the welded portion.

Embodiments of the present application relate to a manufacturing method of a composite electrode and a manufacturing apparatus of a composite electrode, and have high yield and material efficiency. According to the embodiments, a manufacturing method of a composite electrode provided with a base material and an insulating fiber film provided on the base material is provided. The manufacturing method includes: applying a primer solution on a base material in a tape shape; and discharging a charged raw material liquid in a direction parallel to a main surface of the base material that intersects with a side surface of the base material and stacking the raw material liquid on the base material, thereby forming the insulating fiber film on the main surface of the base material.

Provided is an airtight terminal that is designed to enable implementation of a method for sealing a can case with the airtight terminal with improved readiness and at a reasonable price, as well as an electrical device package and a method for manufacturing an electrical device package. Provided is an airtight terminal that includes a lid composed of a dish-shaped thin metal sheet having a through hole in a surface of the sheet, a lead passing through the through hole in the lid, and an insulating material to hermetically seal a gap between the lead and the lid, wherein the lid has an engagement portion along an edge of the lid to seal a can case by seaming. Further, the airtight terminal described above may be modified into an airtight terminal that includes a lid composed of a dish-shaped thin metal sheet having a through hole, a metallic ring inserted through the through hole in the lid and hermetically attached to the lid, a lead passing through the metallic ring, and an insulating material to hermetically seal a gap between the lead and the metallic ring, wherein the lid has an engagement portion along an edge of the lid to seal a can case by seaming.

This invention relates to a capacitor carrier assembly with connection terminals. The capacitor carrier assembly includes a carrier, a capacitor disposed within the carrier, and conductive connection terminals. The connection terminals support the carrier relative to another electronic component or device, such as a printed circuit board, holding the various carrier portions in an assembled configuration and providing an electrical connection between the capacitor and the electronic component. Each connection terminal includes a resilient member projecting from a surface of the connection terminal and engaging with the carrier, a serrated region disposed on an opposite edge of the terminal engaging with the carrier, and a flange projecting from the surface in a direction perpendicular to a first surface. The edge of the flange includes an insulation displacement connector (IDC) header for connection to capacitor leads.

The utility model relates to the technical field of capacitors, in particular to an anode leading-out structure of a tantalum electrolytic capacitor, which comprises a tantalum capacitor body, and the anode and the cathode of the tantalum capacitor body are detachably connected with pins and are respectively provided with a leading-out mechanism. The side surface of the leading-out mechanism is provided with a fixing mechanism used for limiting and fixing a pin on the leading-out mechanism 3, the leading-out mechanism comprises a fixing plate, the back surface of the fixing plate is fixedly connected with a welding plate fixedly connected with the positive electrode or the negative electrode of the tantalum capacitor body, and two ends of the front surface of the fixing plate are fixedly connected with contact blocks. According to the utility model, the fixing mechanism is separated from the pin at the corresponding position and then is rotated, so that the fixing mechanism is vertically downward, at the moment, the pin can be detached from the positive electrode or the negative electrode of the tantalum capacitor body and replaced by a new pin, and the tantalum capacitor body does not need to be integrally replaced, so that the cost can be saved.

To provide a solid electrolytic capacitor having high heat resistance.SOLUTION: The solid electrolytic capacitor 100 includes at least one capacitor element 110 including an anode part 111 and a cathode part 112, an anode lead terminal 120, a cathode lead terminal 130, and an exterior body 140 covering the capacitor element, wherein the anode lead terminal and the cathode lead terminal each have a main surface and a side surface, At least a part of a main surface of the exposed portion is covered with the low-melting-point material, and a first side surface region of a side surface of the embedded portion is not covered with the low-melting-point material, the first side surface region being more than 0. 36mm away from a boundary between the embedded portion and the exposed portion, the embedded portion including an embedded portion 120A and an exposed portion 130A that are embedded in the package body, the exposed portion including an exposed portion 120B and an exposed portion 130B that are exposed from the package body.SELECTED DRAWING: Figure 1

A tantalum capacitor according to an embodiment of the present disclosure includes: a tantalum body; a tantalum wire connected to the tantalum body; a conductive polymer layer disposed on the tantalum body; and a first reinforcement layer disposed on the conductive polymer layer and including iron (Fe) doped carbon nanotubes.

To provide a stitch connection structure suitable for example for cathode foils containing a carbon layer.SOLUTION: A cathode foil (6) includes a base foil (12) and a carbon layer (14) formed on the base foil. A pull-out terminal (4) includes a terminal portion (18) and a terminal piece (20) extending from the terminal portion, and a stitch connection portion (10) is connected to the cathode foil by sandwiching the cathode foil between the terminal portion and the terminal piece. The pull-out terminal includes a metal surface portion (28) and a hardened surface portion (30) that is harder than the metal surface portion, the metal surface portion is in contact with the substrate foil in a first region (36) of the stitch connection portion, and the hardened surface portion is laminated to the carbon layer in a second region (38) of the stitch connection portion.SELECTED DRAWING: Figure 1

To provide an electrolytic capacitor that can suppress the deterioration of the separator. [Solution] The electrolytic capacitor 1 comprises a capacitor element 11 formed by overlapping and winding an anode foil 14a and a cathode foil 15a, to which lead tabs 14 and 15 for drawing out electrodes are connected, via a separator 16. The electrolytic capacitor 1 has a protective material 30. The protective material 30 is provided so as to overlap in the overlapping direction Y of the connection portions 140 and 150 to which the lead tabs 14 and 15 are overlapped and connected on one side of the anode foil 14a and cathode foil 15a. The protective material 30 is provided on the opposing surface 16c of the separator 16 that faces the anode foil 14a and cathode foil 15a to which the lead tabs 14 and 15 are connected. The protective material 30 covers at least a portion of the end face 16a of the separator 16 on the side opposite to the side from which the lead tabs 14 and 15 are drawn out.

A capacitor structure and a power converter are provided. The capacitor structure includes a parallel cell combination, and the parallel cell combination includes a plurality of cells and a plurality of current collectors. In the parallel cell combination: the cells are connected in parallel, and the poles connected in parallel are respectively connected with other devices through corresponding confluence points. Same poles of two adjacent cells are connected through a corresponding current collector, and the current-carrying specifications of each current collector is lower than the current-carrying requirements of a confluence point of a corresponding pole. That is to say, a conductor that implements the parallel connection of the cells is no longer a whole copper plate, but the individual current collectors, thus realizing the reduction of the cost of the conductor material.

The utility model discloses a vehicle-mounted horizontal electrolytic capacitor, which comprises a capacitor body, a capacitor seat plate and a capacitor fixing seat, the capacitor body comprises an aluminum shell, a core bag and a capacitor cover plate; the capacitor cover plate is provided with a leading-out terminal, and the leading-out terminal comprises an extension part, a bending part which is bent from the tail end of the extension part, and a welding part which is vertically bent and extends from the tail end of the bending part. Wherein the welding part is bent towards the direction close to the center of the capacitor cover plate, and the extension track of the welding part is orthogonal to the central axis of the capacitor body; the capacitor seat plate comprises a seat plate main body, and the seat plate main body is provided with an open groove, a terminal guide groove for accommodating the bending part of the leading-out terminal, and a terminal welding placement groove. The capacitor fixing seat is provided with an accommodating space for accommodating the capacitor body. The vehicle-mounted horizontal electrolytic capacitor provided by the utility model can be stably installed and fixed on the circuit board, so that shaking caused by vibration of a vehicle is avoided, and the vehicle-mounted horizontal electrolytic capacitor can adapt to various complex application environments of jolting and vibration.

The utility model discloses an anti-seismic aluminum electrolytic capacitor, which comprises a shell, a core arranged in the shell and outgoing lines connected to two ends of the core, an anti-seismic buffer structure is arranged in the shell, and the anti-seismic buffer structure surrounds the surface of the core. A sealing cover is arranged at the top of the interior of the shell, a shock insulation pad is bonded to the top of the shell, the shock insulation pad is connected with the sealing cover, and the top of the outgoing line sequentially penetrates through the interior of the sealing cover and the interior of the shock insulation pad and extends to the top of the shock insulation pad. However, a conventional aluminum electrolytic capacitor lacks a special damping design and cannot effectively buffer and absorb external vibration energy, and when equipment is vibrated, the vibration is directly transmitted to the capacitor, so that the internal structure of the capacitor is damaged, and the service life of the capacitor is shortened.

A method for manufacturing an electronic component includes: a preparation step of preparing an electrode-forming body for electronic components; and an electrode forming step of forming an electrode on an outer surface of the electrode-forming body for electronic components, wherein in the electrode forming step, a conductive resin layer is formed on the electrode-forming body for electronic components by using a conductive resin composition containing a silicone resin. According to the present invention, it is possible to provide a method for manufacturing an electronic component having high moisture resistance. Alternatively, it is possible to provide a method for manufacturing an electronic component having reduced restrictions on design and manufacturing and high manufacturing efficiency, in addition to high moisture resistance.

To provide a cold welding structure having electrical and physical connection strength between, for example, a lead-out terminal and a cathode foil including a carbon layer.SOLUTION: A capacitor (2) comprises: a cathode foil (6) that includes a carbon layer (14) arranged on a surface of a base material foil (12); and a lead-out terminal (4) that is connected with the cathode foil at a pressure welding part (30). The pressure welding part includes a first connection part group (32) arranged at an electric charge gate part (22) of the lead-out terminal, and a second connection part group (34) arranged at a termination part (24) of the lead-out terminal, and a non-pressure welding part (40) is formed between the first connection part group and the second connection part group. The first connection part group includes a plurality of first connection parts (36), and the second connection part group includes second connection parts (38) in a number smaller than the number of the first connection parts.SELECTED DRAWING: Figure 1

A composite aluminum electrolytic capacitor comprises an aluminum shell, a core package and a sealing piece, the core package is arranged in the aluminum shell in a sealed mode through the sealing piece, the core package comprises an anode foil and a cathode film, the cathode film comprises an insulating base film and a metalized film, and the metalized film is formed on the base film in an evaporation mode; and the cathode film is electrically connected with the cathode lead-out assembly. According to the invention, the cathode film is used for replacing traditional aluminum foil, so that the volume of the core package is reduced, and the problem of short circuit caused by the fact that electrolytic paper is punctured by burrs in the core package of a traditional aluminum electrolytic capacitor can be effectively solved. Meanwhile, the cathode guide chaff is connected with the cathode film extending out of the bottom of the core cladding through ultrasonic welding or conductive rubber, so that the electric conduction area between the cathode guide chaff and the cathode film is large, the ESR value and ESL value of a product under high frequency can be effectively reduced, and the requirement of the high-frequency product is met.

This invention discloses a cap-type tantalum capacitor packaging process and the cap-type tantalum capacitor itself. The packaging process includes the following steps: S1: tantalum core bonding; S2: moisture-proof treatment; S3: encapsulation; S4: overflow treatment; S5: cathode lead-out; S6: anode lead-out; S7: end treatment. The tantalum capacitor is manufactured using the cap-type tantalum capacitor packaging process. The tantalum capacitor has a dual-core parallel structure, including two tantalum cores with tantalum wires inserted inside. A bonding silver paste is placed between the two tantalum cores. An anode lead-out is located at the top of each tantalum core, and a cathode lead-out is located at the bottom. Resin is placed between the two tantalum cores and the anode lead-out. A graphite layer is placed on the bottom and four sides of each tantalum core. This invention uses vibration-induced silver paste impregnation instead of traditional manual coating and bonding. Vibration ensures the silver paste fully fills the gaps between the two cores, completely eliminating defects such as pits and bubbles caused by manual operation, resulting in a smooth and flawless outer surface of the dual cores. This invention solves the problem of bulging and cracking of the encapsulation layer by constructing a pre-existing moisture barrier.

The utility model discloses a horizontal type patch electrolytic capacitor, including capacitor body, capacitor seat board and capacitor fixed seat, the capacitor body includes aluminium shell, capacitor cover, the outgoing terminal that leads out from capacitor cover, the outgoing terminal includes extension, the bending portion that the extension end is bent and welding portion, among them, the welding portion is parallel to the side of capacitor body, and the plane of welding portion is orthogonal with the plane of bending portion, capacitor seat board includes seat board main part, is provided with the slot of cooperation with the extension of outgoing terminal on seat board main part, the terminal guide slot of accommodating the bending portion of outgoing terminal and the terminal welding placement slot of placing welding portion, capacitor fixed seat sets up the accommodation space of accommodating the tail of capacitor body, the utility model discloses horizontal type patch electrolytic capacitor can stably install and fix on the circuit board, avoid and take place the shaking of the vibration of vehicle to adapt to various jolt complex application environment of shaking.

A capacitor assembly includes a laminar bus plate arrangement having at least one first polarity bus plate and at least one second polarity bus plate separated by a sheet-like insulator. At least one pair of bus terminals have a first polarity bus terminal electrically connected to the first polarity bus plate and a second polarity bus terminal electrically connected to the second polarity bus plate. A plurality of wound film capacitor elements each have a first end surface and a second end surface defining a proximal first polarity terminal and a distal second polarity terminal, respectively. An elongate conductor extends along an axis of the respective capacitor elements, the elongate conductor providing electrical communication between the second polarity terminal of the respective capacitor element and the second polarity bus plate. The first polarity terminal of each of the capacitor elements is electrically connected to the first polarity bus plate.

To suppress temperature rise on the capacitor body side by enhancing the heating performance of a lead-out terminal.SOLUTION: The capacitor includes a capacitor main body (4) including a capacitor element (8), an outer case (14), a sealing body (16), and lead terminals (10, 12) connected to the capacitor element and disposed in through-holes (22, 24) provided in the sealing body, a plate member (6) provided on an outer surface portion of the sealing body, and support post portions (40, 42) protruding from the plate member and forming a heat buffer portion (54) between the plate member and a wiring board (48) on which the capacitor main body is mounted.SELECTED DRAWING: Figure 2

To provide a power storage device that can appropriately restrain a current collector, a conductive member used in the power storage device, a lid unit including the conductive member, and a manufacturing method for the power storage device.SOLUTION: A power storage device includes an electrode body including a current collector, an outer film wrapping the electrode body, a lid body configured to include a metal material to seal the electrode body together with the outer film, and a conductive member connected to the lid body and the current collector. The conductive member is arranged at least partially between the lid body and the electrode body.SELECTED DRAWING: Figure 5

An electrode foil for an electrolytic capacitor includes a porous portion, and a core portion continuous with the porous portion. When the porous portion is equally divided in three in the thickness direction of the porous portion into a first region, a second region, and a third region sequentially from the outer surface side of the porous portion, 1.1≤L2 / L1, and 1.1≤L2 / L3 are satisfied, where the L1 represents a pit perimeter length in the first region, the L2 represents a pit perimeter length in the second region, and the L3 represents a pit perimeter length in the third region.