371results about "Hybrid capacitor terminals" patented technology

A wiring module is directed to a wiring module configured to be attached to a plurality of power storage elements having electrode terminals. The wiring module includes: a plurality of busbar units: and wires connected to the busbar units. Each of the busbar units includes: a busbar connected to the electrode terminals; a circuit board; and a fixing means configured to fix the circuit board to the busbar. A conductive path is routed on the circuit board, and the conductive path includes: a connection land electrically connected to the busbar; and a wire land soldered to the corresponding wire. The busbar includes a crimping part that fixes the wire, and the wire is interposed between the crimping part and the circuit board.

The electrochemical device includes: a case including a recessed container having a bottom and a side wall, and a cap covering the opening of the recessed container; a power generation element including a laminate having an electrode layer, an electrode layer and a solid electrolyte layer laminated together and contained in the interior space of the case such that the bottom and electrode layer face each other; and a conductive plate located adjacent to the opening of the recessed container and positioned between the electrode layer and cap. The recessed container includes insertion holes with openings in the upper end surface of the side wall. The conductive plate includes elastic locking portions located on edges thereof and corresponding in position to the insertion holes. With each elastic locking portion inserted in an insertion hole, the tip portion of the elastic locking portion presses a side surface of the insertion hole.

A power storage device includes an electrode body, an electrode terminal connected to the electrode body, and an exterior body that seals the electrode body. The exterior body is configured from a film-like exterior member and includes a first sealing portion joined to the exterior member in a state where the exterior member envelops the electrode body. The exterior member includes a barrier layer. The power storage device has a resin film for a power storage device disposed at least partially inwards of the barrier layer. The resin film for a power storage device includes at least one among a water absorbent and a gas absorbent.

A power storage device includes a power storage element, a case having a bottomed cylindrical shape with an opening at one end, and housing the power storage element, a sealing member sealing the opening, and a current collecting plate. The current collecting plate has a first region electrically connected to an external terminal that the sealing member or the case has, a second region joined to the power storage element, at least one first conductive part linking the first region to the second region, and at least one second conductive part linking the first region to the second region. The electrical resistance of the first conductive part is different from the electrical resistance of the second conductive part.

The invention discloses an all-welded double-explosion-proof supercapacitor and a manufacturing method thereof. The supercapacitor comprises a positive electrode outer cover assembly, a negative electrode composite terminal, a battery cell and a shell. The manufacturing method comprises the following steps: separately assembling the positive electrode outer cover assembly, the negative electrode composite terminal, the battery cell and the shell; and carrying out vacuum drying, liquid injection, standing infiltration, formation, aging and capacity grading operation to obtain the all-welded double-explosion-proof supercapacitor. The single-side tab structure design is adopted, isolation of the positive electrode and the negative electrode is achieved at the same end, and the grouping space utilization rate is increased; by means of split stamping manufacturing and welding composite connection, full-automatic operation in the assembling process is achieved, the product uniformity is effectively improved, the production efficiency is improved, and the manufacturing cost is reduced; the internal resistance of the battery core is reduced, large-current charging and discharging are realized, and the power performance is improved; the insulation sealing effect, the high temperature resistance and the service life are effectively improved, and the problem of liquid leakage in the use process of the capacitor is solved; and the circuit and the cell management system are effectively protected while the safety of the cells is ensured.

The application belongs to the field of supercapacitors, and more particularly relates to a high-capacity hybrid supercapacitor with uniform heat distribution for special vehicles. The structure of the hybrid supercapacitor comprises a positive electrode sheet, a negative electrode sheet, a positive electrode tab, a negative electrode tab, a diaphragm and a container shell. The supercapacitor provided in the application is designed to be large in size, not only meeting the high energy requirement of the special vehicle, but also effectively solving the connection problem of the small-size hybrid supercapacitor, and meeting the high power and rapid charging requirement which cannot be met by the lithium ion battery.

Provided are: at least one cylindrical power storage device (20); and an upper holder (30) that holds an upper end side of the power storage device, a positive electrode terminal (26) and a negative electrode terminal (25C) being disposed at an upper end portion of the power storage device, the negative electrode terminal being disposed at a position that is more outward in a radial direction of the power storage device than the positive electrode terminal, and a negative electrode lead (50) that is connected to the negative electrode terminal from an outer side in the radial direction, the upper holder having a restriction portion (34) that is located at a position that is more inward in the radial direction than at least a portion of the negative electrode lead.

A power storage device 10 comprises a case 20, a power storage element 30, a belt-like lead 41, and an opening-sealing member 50. The opening-sealing member 50 is provided with: an insulating gasket 51 having a base part 53; and an electroconductive opening-sealing plate 56. The opening-sealing plate 56 has a displacement part 57. The displacement part 57 of the opening-sealing plate 56 and the lead 41 are electrically connected to each other. By displacement of the displacement part 57 in a direction separating away from the lead 41 in response to a rise in internal pressure inside the case 20, the displacement part 57 and the lead 41 are electrically disconnected from each other. The storage device 10 further comprises a displacement suppression means 43 that is disposed in the case 20 and that suppresses displacement of the lead 47 when the displacement part 57 is displaced in the direction separating away from the lead 41. Accordingly, the operation reliability in an electric current cutoff mechanism is enhanced.

An energy storage device includes: an electrode assembly formed by stacking a plurality of plates and elongated in a predetermined direction intersecting with a stacking direction; a container that accommodates the electrode assembly and is elongated in the predetermined direction; and a positive electrode terminal and a negative electrode terminal that are electrically connected to the electrode assembly. The electrode assembly includes: an electrode assembly body; and a pair of connecting portions that protrudes from one end portion of the electrode assembly body in the predetermined direction, and is electrically connected to the positive electrode terminal and the negative electrode terminal. A protruding portion on which the pair of connecting portions is disposed is formed at one end portion of the container in the predetermined direction.

To provide a highly reliable method for manufacturing energy storage devices. [Solution] A method for manufacturing an energy storage device comprises an electrode body including a first electrode and a second electrode, the electrode body having a group of first electrode tabs arranged in a plurality of stacks of first electrode tabs connected to the first electrode, and further comprising a first conductive member connected to the group of first electrode tabs, comprising the steps of: manufacturing an electrode body having a group of first electrode tabs; forming a first joint where the first electrode tabs in the group of first electrode tabs are joined together; and forming a second joint where the first joint in the group of first electrode tabs and the first conductive member are joined together, wherein the step of forming the second joint includes wobbling an energy ray.

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.

An adhesive film for a metal terminal being interposed between a metal terminal electrically connected to an electrode of a power storage device element, and a power storage device external member that seals the power storage device element. The adhesive film is configured from a laminate provided with: a first polyolefin layer disposed on the metal terminal side; a base material; and a second polyolefin layer disposed on the power storage device external member side. Under the following measurement conditions, the restoration rate measured when an indenter is pressed in a vertical direction with respect to a cross section in a thickness direction of the first polyolefin layer is 46.0% or greater. Restoration rate measurement conditions are a load of 10 mN, a load application speed of 1 mN / 10 seconds, retention time of 10 seconds, a load releasing speed of 1 mN / 10 seconds, and measurement temperature of 25° C.

The invention discloses an energy storage power supply module structure and an assembling method, and relates to the technical field of energy storage power supplies, the energy storage power supply module structure comprises a module framework, a plurality of super capacitor modules, a positive electrode connecting bar, a middle connecting bar and a negative electrode connecting bar, the module framework is internally provided with an accommodating cavity, and the module framework is provided with a positive electrode interface and a negative electrode interface; the plurality of super-capacitor modules are located in the accommodating cavity, each super-capacitor module comprises at least one super-capacitor monomer, all the positive pole columns of the same super-capacitor module are arranged on the same side, and all the super-capacitor monomers are distributed in an array; the positive electrode connecting bar is connected to the positive electrode interface and all positive electrode posts of one super capacitor module; the middle connecting bar is connected to the negative pole of the previous super capacitor module and the positive pole of the next super capacitor module; and the negative electrode connecting bar is connected to the negative electrode interface and all negative electrode posts of the last super capacitor module. The series-parallel flexible configuration of monomers in the module is realized, and the applicability of the energy storage power supply module is improved.

An electrical device includes: a housing part made of a metal and including a feedthrough therethrough, an opening of the feedthrough, a first region, and a second region, the opening receiving a conductive material or a conductor in a glass material or a glass-ceramic material, wherein: (i) the conductive material has a first coefficient of expansion α1, the glass material or the glass-ceramic material has a second coefficient of expansion α2, and the housing part has a third coefficient of expansion α3, the third coefficient of expansion α3 being always greater than the second coefficient of expansion α2; or (ii) the first region including a width W that is substantially perpendicular to the axis of the at least one opening, the width W of the first region being always greater than a thickness D2 and a thickness DE of the second region; or (iii) a combination of (i) and (ii).

Provided is a secondary battery which achieves both high safety and reduction in charging / discharging time. A secondary battery according to the present invention is of a winding type. In the secondary battery, a positive electrode current collector of a positive electrode has a first tab and a second tab, and a negative electrode current collector of a negative electrode has a third tab and a fourth tab. The first tab is located at a portion closer to the center of the winding as compared with the second tab, and the third tab is located at a portion closer to the center of the winding as compared with the fourth tab. The first tab and the second tab are joined at a first joining part, and the third tab and the fourth tab are joined at a second joining part. A positive electrode active material has a first region, and a second region located on the surface side of the positive electrode active material. The first region contains lithium, cobalt, and oxygen. The second region contains lithium, cobalt, magnesium, and oxygen.

A power storage device includes an electrode assembly where a positive electrode plate and a negative electrode plate are wound with a separator interposed between the positive electrode and negative electrode plates; and a positive electrode current collector joined to the positive electrode plate at an upper end of the electrode assembly in axial direction P. The positive electrode current collector includes a plate-shaped flange joined to the positive electrode plate at a face facing the positive electrode plate in axial direction P and a column with an adjustable length in axial direction P that protrudes from the flange toward an upper side in axial direction P.

To provide a highly reliable bus bar for connecting positive and negative electrodes in a battery pack in which rectangular parallelepiped cells are arranged.SOLUTION: There is provided a battery pack in which: a positive terminal of a first cell and a negative terminal of a second cell are arranged adjacent to each other; a bus bar 10 connects the positive and negative terminals; a first conductive member 11 of the bus bar includes a first joint 111 that joins with the positive terminal and a first extension 112 that extends in a first direction; a second conductive member 12 of the bus bar includes a second joint 121 that joins with the negative terminal and a second extension 122 that extends in the first direction; the first conductive member and the second conductive member are connected at a third joint 131; an end of the first extension and an end of the second extension are spaced apart in the first direction from a line connecting the first joint and the second joint; and the third joint is near either the first joint or the second joint and is formed at an overlapping portion between the first extension and the second extension.SELECTED DRAWING: Figure 2

To improve cooling efficiency of an electrode terminal.SOLUTION: The power storage device terminal cooling component 30 includes a first plate 31 made of metal and a second plate 36 made of metal. The first plate 31 is placed on the end faces of the electrode terminals 60,65 of the electricity storage devices 100. The first plate 31 includes a joining portion 31a that is joined to the positive and negative electrode terminals 6065 and. The second plate 36 faces the surface of the first plate 31 opposite to the surface overlapping the end surfaces of the electrodes 6065 and, except for the bonding portion 31a. The second plate 36 has a projection 37 so that a refrigerant circulation space 39 is formed between the first plate 31 and the second plate 36. The second plate 36 is joined to the first plate 31 around the convex portion 37. The second plate 36 has a supply-port 36a for supplying the coolant to the coolant circulation space 39 and a discharge-port 36b for discharging the coolant from the coolant circulation space 39.SELECTED DRAWING: Figure 3

A system includes a capacitor (120,220) including: a structure (124,224), and one or more capacitive devices (122,222) at the structure (124,224); and an electrically insulating bushing (130,230) including: a fuse (160, 260) including: a fuse body including a fuse housing (162,262), a first fuse end, and a second fuse end, the fuse housing (162,262) extending from the first fuse end to the second fuse end and defining an interior space, and a fusible element (164, 264) in the interior space, the fusible element (164, 264) electrically connected to the first fuse end and the second fuse end; and an adaptor (140,240) including: an adaptor body (244) extending from a first adaptor end (245) to a second adaptor end (246), the adaptor body (244) hermetically sealed to the structure (124,224) and the second adaptor end (246) configured to receive the first fuse end, and an adaptor connection interface (242) in the adaptor body (244). The first fuse end is removably connected to the adaptor (140,240) at the adaptor connection interface (242).

Provided are a power storage device having high conduction reliability and a method for manufacturing the same. A power storage device (100) disclosed herein is provided with: an electrode body (20) including a first electrode (22); a housing (10); and a first electrode terminal (30) electrically connected to the first electrode (22) via a first conductive member (50). A case (10) is provided with: a bottomed cylindrical case body (12) having a bottom wall (12a) and an opening (12h) facing the bottom wall (12a); and a sealing plate (14) that seals the opening (12h) of the case body (12). The first electrode terminal (30) is attached to the bottom wall (12a) and has a through-hole (30h). The first conductive member (50) is inserted into the through hole (30h) and joined to the first electrode terminal (30).

To provide a power storage module capable of securing a joint region between a negative electrode of a power storage device and a negative electrode lead while securing an insulation distance between a positive electrode of the power storage device and the negative electrode lead.SOLUTION: The power storage device includes at least one cylindrical power storage device 20 and an upper holder 30 that holds an upper end side of the power storage device 20, a positive electrode terminal and a negative electrode terminal are disposed at an upper end portion of the power storage device 20, the negative electrode terminal is disposed outside the positive electrode terminal in a radial direction of the power storage device 20, the power storage device further includes a negative electrode lead 50 connected to the negative electrode terminal from outside in the radial direction, and the upper holder 30 has a restriction portion 34 located inside at least a part of the negative electrode lead 50 in the radial direction.SELECTED DRAWING: Figure 6

The utility model discloses a capacitor using a welding type square anode cover plate, comprising a housing, a tantalum core, an insulation assembly and a cover plate, the tantalum core and the insulation assembly are arranged in the housing, the insulation assembly is respectively connected with the tantalum core and the cover plate, the tantalum core is provided with an anode leading-out terminal, the cover plate is respectively connected with the insulation assembly and the housing, and the anode leading-out terminal is provided with a cathode leading-out terminal. A connecting piece is arranged on the cover plate. The welding contact position of the cover plate anode and the tantalum wire is designed to be the square tantalum rod, point-to-point contact between the tantalum wire and the cover plate anode is optimized into point-to-face contact, the welding efficiency and the welding quality are improved under the condition that the welding strength of electric resistance welding is guaranteed, the resistance value of a contact resistor R is improved, and the welding quality is improved. And the welding pressure between the electrodes is greatly reduced, so that the mechanical stress impact borne by the glass insulator in the electric resistance welding process is reduced, and the high-energy hybrid tantalum capacitor with excellent electrical performance, high welding strength and high reliability is obtained.

A power storage apparatus (1) comprises a power storage element (200) and an outer case (100) in which the power storage element (200) is housed, the outer case (100) including a first outer case (110) and a second outer case (120) aligned in a first direction and joined to each other with the power storage element (200) sandwiched and constrained therebetween in the first direction. The first outer case (110) and the second outer case (120) respectively include: a first connecting portion (111) and a second connecting portion (121) which are disposed at the outer periphery of the first outer case (110) and the second outer case (120) when viewed from the first direction, and which are joined in a state of abutting on each other; and a third connecting portion (112) and a fourth connecting portion (122) which are disposed on the inside of the outer periphery when viewed from the first direction, and which are joined to each other. The third connecting portion (112) and the fourth connecting portion (122) are joined in a mutually spaced-apart state by means of a joint member (140).

This invention provides an energy storage device that can effectively utilize the space between the positive electrode and the negative electrode. [Solution] The energy storage device comprises a first energy storage element and a second energy storage element arranged in a first direction, and a busbar electrically connected to the first energy storage element and the second energy storage element. The first energy storage element comprises a first casing and a pair of first lead terminals that protrude from one edge of the first casing in a second direction intersecting the first direction and are arranged in a third direction intersecting the first and second directions. The second energy storage element comprises a second casing and a pair of second lead terminals that protrude from one edge of the second casing in a second direction and are arranged in a third direction. The busbar extends along the first direction, positioned between the pair of first lead terminals and between the pair of second lead terminals.

In a housing part (10), in particular for an electrical storage device, having an electrical bushing comprising a main body (12) with a passage opening (14) and comprising a connection pin (20) which is arranged in the passage opening (14) and is held in the passage opening (14) by means of a fixing material (16) such that it is electrically insulated, the intention is to reduce the expenditure on manufacture and the risk of misalignment of the components. For this purpose, it is proposed that the main body (12) of the housing part (10) is flat and disc-like with a substantially uniform thickness (D) and a height (H) of the fixing material (16) is greater than the thickness (D) of the main body (12), wherein (i) the main body (12) has a symmetrical bushing, by way of the fixing material (16) and the connection pin (20) being arranged symmetrically with respect to a plane of symmetry (S) situated centrally in the plane of the main body, and / or (ii) the main body (12) has, on its outer edge (17), a symmetrical connecting flange (18b), which is arranged symmetrically with respect to a plane of symmetry (S) situated centrally in the plane of the main body.

A power storage device according to the present embodiment is characterized by comprising a plurality of power storage elements, a stretchable member adjacent to the plurality of power storage elements in a first direction, and an insulating member disposed between the plurality of power storage elements and the stretchable member, wherein: the stretchable member has a first main body part and a first piece part, the first main body part extending in a second direction crossing the first direction and in a third direction crossing both the first direction and the second direction, the first piece part having a first piece section extending in the first direction from an end section of the first main body part in the second direction, and also extending in the third direction, and the first main body part and the first piece part each being disposed along the plurality of power storage elements; the insulating member has a second main body part and a second piece part, the second main body part extending, between the plurality of power storage elements and the first main body part, along the first main body part, and the second piece part being connected to an end section of the second main body part in the second direction between the plurality of power storage elements and the first piece part, and extending along the first piece part; and the first piece part and the second piece part are engaged with each other.

To provide a power storage device in which occurrence of metal deposition is suppressed.SOLUTION: The energy storage apparatus includes electrode-assembly side 20a, electrode-assembly side 20b, and electrode-assembly side 20c. The electrode-assembly 20a is disposed between the electrode-assembly 20b and the electrode-assembly 20c. In the vertical direction Z, the length 1f of the first flat outer surface region L1 of the electrode-assembly 20a is smaller than the length L2 of the second flat outer surface region 2f of the electrode-assembly 20b, and is smaller than the length 20c of the third flat outer surface region 3f of the electrode-assembly. L3. The upper-end 1u of the first flat outer surface region 1f is located below the upper-end 2u of the second flat outer surface region 2f and below the upper-end 3u of the third flat outer surface region 3f. A lower end 1f of the first flat outer surface region 1d is located above a lower end 2f of the second flat outer surface region 2d and above a lower end 3f of the third flat outer surface region 3d.SELECTED DRAWING: Figure 7

An energy storage device (battery) 1 includes an electrode assembly 20 having current correcting tabs 28, 29 each of which is formed of a plurality of projecting portions 24b, 26b projecting from a first straight line portion 20c on one side in a stacking direction of electrode sheets 21, 22. The electrode assembly 20 is housed in a case (exterior body) 10. The energy storage device further includes current collectors 60A, 60B which are electrically connected to the external terminals 50A, 50B disposed on the case 10. The current collectors 60A, 60B are connected to the current collecting tabs 28, 29 arranged in a stacking direction of the electrode sheets 21, 22 on a second straight line portion 20d side where the projecting portions 24b, 26b are not formed.

The present invention provides an energy storage device that allows for easy connection of a detection wire to a lead terminal while suppressing high resistance at the connection point of the lead terminal. [Solution] The energy storage device comprises a first energy storage element and a second energy storage element arranged in a first direction, and a detection line for detecting the state of the first energy storage element and the second energy storage element. The first energy storage element comprises a first outer casing and a first lead terminal protruding from the edge of the first outer casing. The second energy storage element comprises a second outer casing and a second lead terminal protruding from the edge of the second outer casing and joined to the first lead terminal. The first lead terminal comprises a first base and a first tip continuous with the first base. The second lead terminal comprises a second base and a second tip continuous with the second base. The first tip comprises a joining portion joined to the second tip and a protruding portion protruding from the second tip in a direction intersecting the first direction. The detection line is joined to the protruding portion.