332results about "Capacitor housing/encapsulation" patented technology

A capacitor element structure, a capacitor assembly packaging structure and an electronic device. The capacitor assembly packaging structure includes a capacitor assembly, an insulating package body and an electrode assembly. The capacitor assembly includes a plurality of capacitor element structures stacked in sequence and electrically connected to each other. The insulating package body is configured to encapsulate the capacitor element structures. The electrode assembly includes a first electrode structure and a second electrode structure that are configured to cooperate with the insulating package body and electrically connected to the capacitor element structure. Each of the capacitor element structures includes an oxide layer, the oxide layer has a plurality of micro recessed spaces that are irregularly concaved and arranged, and each of the micro recessed spaces is partially filled with an electrolyte substance.

A solid electrolytic capacitor includes a laminate in which capacitor elements each including an anode foil, and cathode foils are laminated, an exterior resin covering the laminate and having a first end face on which a part of each anode foil is exposed and a second end face on which a part of each cathode foil is exposed, an anode external electrode electrically connected to each anode foil at the first end face, and a cathode external electrode electrically connected to each cathode foil at the second end face. A first average distance from an end point on the second end face to the respective cathode foils in the lamination direction on the mounting surface side of the exterior resin is smaller than a second average distance from the end point to the respective cathode foils in a region where the capacitor elements and the cathode foils overlap.

A capacitor assembly package structure includes a first bottom electrode structure, a second bottom electrode structure, a capacitor assembly and an insulating package body. The second bottom electrode structure is separate from the first bottom electrode structure. The capacitor assembly is disposed on the first bottom electrode structure and the second bottom electrode structure. The capacitor assembly includes a plurality of capacitor elements electrically connected to each other, and each capacitor element has a positive electrode portion electrically connected to the first bottom electrode structure and a negative electrode portion electrically connected to the second bottom electrode structure. The insulating package body is configured to cover the capacitor elements of the capacitor assembly. Each capacitor element has a raised protruding structure disposed on the positive electrode portion to reduce a shortest vertical distance between the positive electrode portion and the negative electrode portion of each capacitor element.

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.

The invention relates to a power storage device. The power storage module can be assembled relative to the power storage case, and the power storage module is difficult to fall off from the power storage case under the action of external force. A power storage device is provided with: a power storage module including a plurality of power storage cells and a module case that houses the plurality of power storage cells; and a power storage case that accommodates the power storage module. A first guide groove is formed in one of a first inner surface of the power storage case and a first outer surface of the module case facing the first inner surface so as to extend in a first direction. A first protrusion that engages with the first guide groove is formed on the other of the first inner surface and the first outer surface. A second guide groove is formed in one of a second inner surface of the power storage case facing the first inner surface and a second outer surface of the module case facing the second inner surface so as to extend in the first direction. A second protrusion that engages with the second guide groove is formed on the other of the second inner surface and the second outer surface.

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 application discloses a sheet type laminated solid-state aluminum electrolytic capacitor and a preparation method thereof. The capacitor comprises a core package and a resin shell. The resin shell is packaged outside the core package and forms the solid-state aluminum electrolytic capacitor. The core package comprises a core package prototype, an anode lead frame and a cathode lead frame. The core package prototype comprises arc-shaped cores and metal shafts. A conductive silver paste layer is arranged in a cathode gap between two adjacent arc-shaped cores. The fixed position of the anode part of each core is at the center of the core, which is surrounded by the annular cathode part. Each core cathode part is integrally connected through the conductive silver paste, so that the whole core package presents a disc structure. The core package with the structure is more compact and has no gap. In the packaging process, the organic resin can be prevented from being squeezed into the core layers, the core deformation damage is prevented, the leakage current and ESR increase is prevented, the capacity shortage caused by the delamination between the cores and even the capacitor failure can be further prevented. Meanwhile, the cathode part of the core has a larger area and smaller ESR.

The invention relates to an aluminum electrolytic capacitor module, which comprises a plurality of aluminum electrolytic capacitor monomers without insulating sleeves, a trapezoidal cubic metal heat conduction component and a ship-shaped open insulating shell, the capacitor monomers are arranged in a single row and in a straight line in the holes of the metal heat-conducting member to form a radial trapezoidal combined structure body of the capacitor; the structural body is put into a ship-shaped open insulating shell for half-surrounded insulating protection; and an exposed structural body plane parallel to the axial direction of the capacitor is a heat dissipation mounting surface. The technical scheme can adapt to the change of the requirement of a user for the electrostatic capacity of the capacitor module, can adapt to the installation of different heat dissipation devices, and can make a proper three-dimensional size design through vertical and horizontal installation on a circuit board, and especially, the change is realized under the manufacturing of one set of mold, so that a large amount of mold cost is saved.

To provide electrolytic capacitors that offer greater flexibility in selecting the material of the capacitor element while also improving sound quality when used in audio equipment. [Solution] The electrolytic capacitor 1 comprises a capacitor element 2, a bottomed cylindrical outer case 3 that houses the capacitor element 2 impregnated with electrolyte, and a sealing body 4 that seals the opening of the outer case 3, wherein an electrically insulating sheet 5 mainly composed of wool fibers is placed between the inner surface 3a of the outer case 3 and the capacitor element 2.

A capacitor element that has an anode body, a dielectric oxide film layer covering the anode body, and a cathode body formed on the dielectric oxide film layer; an exterior body that covers the capacitor element; a contact layer that is on an anode terminal, which is an end portion of the anode body, and has a surface with a predetermined surface roughness; and an anode-side electrode layer that covers the surface are provided.

A system for incorporating one or more individual energy cells is provided. The individual energy cells include a top surface having a central terminal and an outer terminal. The top surface may include a pressure dissipation element configured to dissipate pressure in a direction opposite the bottom surface. The first terminal and the second terminal may be substantially planar electrical contacts.

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 vent is provided herein for use in a closed container, the vent comprising at least one protective fluoropolymer layer and at least one reinforcing layer, wherein the at least one protective fluoropolymer layer at least partially penetrates into the at least one reinforcing layer, wherein the at least one protective fluoropolymer layer has a carbon dioxide (CO2) to water (H2O) selectivity of at least 600 cm3 / g at 30° C. and a CO2 permeability of at least 1,000 cm3 / (m2*24 h*atm) at 30° C. as measured using methods described herein.

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 application discloses a high-density energy storage pulse capacitor, and belongs to the technical field of electric energy storage devices. The capacitor comprises a shell, positive and negative electrode leads and a capacitor core sealed in the shell. The capacitor core comprises a first outer insulation packaging layer, a first electrode unit, a solid-state electrolyte layer, a second electrode unit and a second outer insulation packaging layer arranged in sequence from top to bottom. The two electrode units are both composed of metal conductive three-dimensional frameworks and high-thermal-conductivity ceramic three-dimensional frameworks which are interwoven and in contact, forming a three-dimensionally connected inner pore network. The solid-state electrolyte layer is located between the two electrode units and fills the inner pore network. The application can improve the heat dissipation bottleneck, the contradiction between energy and power and the high-voltage insulation problem of the traditional pulse capacitor under high-power working, and can realize high energy density, high power density, high reliability and excellent heat dissipation capacity.

This application relates to a pouch, an electrochemical device, and an electronic device. The pouch includes a first pouch body and a second pouch body connected to each other. A first cavity is recessed in the first pouch body. The second pouch body covers the first cavity so that the first pouch body and the second pouch body jointly close around to form the accommodation cavity. The first pouch body includes a first wall portion oriented toward the second pouch body. The first wall portion includes a first wall face oriented toward the accommodation cavity and a third wall face oriented away from the accommodation cavity. A thickness of the first wall portion is H1. The second pouch body includes a second wall portion oriented toward the first pouch body. The second wall portion includes a second wall face oriented toward the accommodation cavity and a fourth wall face oriented away from the accommodation cavity. A thickness of the second wall portion is H2, satisfying: H2 < H1. The thickness H2 of the second wall portion is set to be less than the thickness H1 of the first wall portion, and the first cavity is created in the relatively thick first pouch body by stamping, thereby not only meeting the requirement on the indentation capability of the pouch, but also increasing the accommodation space of the accommodation cavity, and improving the capacity and energy density of the electrochemical device.

This outer package material for power storage devices is composed of a laminate that comprises at least a barrier layer and a thermally fusible resin layer in this order from the outside. The barrier layer comprises an aluminum alloy foil. The aluminum alloy foil has a composition that contains 1.00 mass% to 1.50 mass% inclusive of Fe, 0.08 mass% to 0.160 mass% inclusive of Mn, 0.150 mass% to 0.250 mass% inclusive of Cu, 0.150 mass% or less of Si, with the balance being made up of Al and unavoidable impurities, and the 0.2% proof stress of the aluminum alloy foil in the rolling direction is 70.0 MPa or more.

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.

The utility model belongs to the technical field of capacitors, in particular to a novel aluminum electrolytic capacitor, which comprises a capacitor body, a protective device is sleeved outside the capacitor body and comprises an inner cylinder and an outer cylinder, spacing bars are fixed inside the inner cylinder and are in contact with the surface of the capacitor body, and the outer cylinder is in contact with the inner cylinder. The top of the inner cylinder and the top of the outer cylinder are fixedly connected, a cavity is formed between the inner cylinder and the outer cylinder, and rubber rings arranged at intervals are fixedly installed in the cavity. According to the utility model, in the protection device, the spacing bars of the inner cylinder are circumferentially arranged in a segmented manner, so that the capacitor body is stably supported; the inner cylinder, the outer cylinder and the middle rubber ring provide buffering, damping and protection, the body is protected against impact and erosion of external force, alignment of the inner hole and the outer hole facilitates heat dissipation, stable operation of the capacitor in a complex environment is guaranteed, the overall structure prolongs the service life of the capacitor, performance is improved, the development requirements of miniaturization and high performance of electronic equipment can be better met, and the application prospect is wide. The method is suitable for various complex working conditions.

The utility model discloses an aluminum electrolytic capacitor with high current-carrying capability, comprising a bearing unit which comprises an aluminum shell and a sealing cover fixedly connected to the bottom of the inner cavity of the aluminum shell, the bottom of the sealing cover is riveted with two guide pins penetrating through the sealing cover, the inner cavity of the aluminum shell is provided with a core package and an auxiliary unit, and the core package is provided with a plurality of through holes; the limiting structure comprises two limiting rings fixedly connected to the inner wall of the aluminum shell, the two limiting rings are arranged at the top and the bottom of a core package in a sleeving mode respectively, the side walls of the two limiting rings are each provided with a plurality of notches which are annularly distributed at equal intervals, and the inner walls of the two limiting rings are each provided with an intercepting face in a cutting mode. According to the utility model, the core cladding is inserted into the inner rings of the two limiting rings, so that the core cladding is bound by the limiting rings and is difficult to expand, thereby avoiding the increase of gaps among the anode foil, the cathode foil and the electrolytic paper, and enabling the capacitor to still maintain higher current-carrying capacity when the capacitor is used for a long time.

A capacitor assembly package structure and a method of manufacturing the same, and an electronic device are provided. The capacitor assembly package structure includes a capacitor assembly, a plurality of first insulating package bodies, a second insulating package body and an electrode assembly. The capacitor assembly includes a plurality of capacitor structures. The capacitor assembly has a plurality of stacking gaps. The first insulating package bodies are respectively received in the stacking gaps of the capacitor assembly. The second insulating package body is configured to cover the first insulating package bodies and the capacitor structures. The electrode assembly includes a first electrode structure and a second electrode structure. A solid content of each first insulating package body is less than a solid content of the second insulating package body so as to reduce the percentage of multiple pores formed in each stacking gap of the capacitor assembly.

An electrolytic capacitor (1) includes: a capacitor element (10) in which a cathode foil (11) and an anode foil (12) are wound with a separator (13) interposed between the cathode foil (11) and the anode foil (12), and a prescribed solution is held between the cathode foil (11) and the anode foil (12); a main body case (3) that accommodates the capacitor element (10); and a sealing body (5) that seals the main body case (3). The solution is a fat-soluble antioxidant dissolved in a lipophilic solvent, and the separator (13) is configured to be in contact with the sealing body (5).

The utility model discloses a high-capacity low-ESR laminated solid-state aluminum capacitor which comprises a shunt capacitor body, and the shunt capacitor body comprises a plurality of capacitor split bodies which are stacked up and down and connected in parallel. Each capacitor split body comprises a plurality of capacitor chips, a conduction frame and a shell, the capacitor chips and the conduction frame are arranged in the shell, the two surfaces of the conduction frame are both provided with a plurality of superposed capacitor chips, an anode pin and a cathode pin are respectively led out from the two sides, facing the shell, of the conduction frame, and the anode pin and the cathode pin are connected with the shell. The anode pins of the plurality of capacitor split bodies are connected in a conductive manner, and the cathode pins of the plurality of capacitor split bodies are connected in a conductive manner. According to the invention, the plurality of capacitor split bodies which are stacked up and down and connected in parallel are arranged, and the anode pin and the cathode pin of each capacitor split body are connected in a conducting manner, so that the capacity and the yield of the capacitor can be effectively improved.

The invention relates to the technical field of capacitor aluminum shell manufacturing, in particular to energy-saving capacitor aluminum shell production equipment which comprises a manufacturing device, the manufacturing device comprises a base, a stamping head is arranged above the base, a stripping assembly is arranged in the stamping head, and the stripping assembly is used for stripping a capacitor aluminum shell clamped on the stamping head; the stripping assembly comprises a stripping groove formed in the punching head, a stripping push plate is slidably connected into the stripping groove, and the stripping push plate is used for abutting against the interior of the capacitor aluminum shell and stripping the capacitor aluminum shell. According to the energy-saving capacitor aluminum shell production equipment, the problems that in the prior art, stripping and discharging depend on manual intervention, efficiency is not stable, potential safety hazards exist, and aluminum shells are prone to being scratched and deformed can be effectively solved.