976results about "Hybrid capacitor terminals" patented technology

An energy storage apparatus includes an energy storage device, a holder that holds the energy storage device, and an outer case that accommodates the energy storage device and the holder. The outer case includes an outer case main body having an opening portion and a lid body that closes the opening portion. The lid body includes a projecting portion that projects toward the holder and is brought into contact with or presses the holder in a projecting direction of the projecting portion.

The invention provides an embedded structure energy storage integrated composite material and a preparation method thereof, and belongs to the technical field of composite materials and electric energy storage. A sandwich structure is adopted, an energy storage unit is embedded in an insulation honeycomb / grid core material, and high-strength fiber composite material panels are arranged on the upper side and the lower side of the insulation honeycomb / grid core material. In the aspect of a material system, the panel has both mechanical strength and electrical insulation property; in structural design, gradient thickness and multi-cavity layout are introduced to improve the multi-direction load bearing capacity. Automatic switching, energy management and fault diagnosis among the energy storage units are realized by a flexible circuit and an intelligent chip which are internally integrated; meanwhile, a sensing network is embedded to monitor structural strain, vibration and battery state in real time, and a structural health monitoring function is provided. The obtained composite material has the characteristics of high structural strength, high energy storage efficiency and high safety intelligent degree, can be widely applied to the fields of aerospace, automobiles and the like, realizes the integrated design of the structure and energy storage, and achieves the purposes of reducing weight and improving functions.

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.

An energy storage assembly for storing electrical energy. The energy storage assembly comprises a plurality of cabinets, with each cabinet having a positive terminal and a negative terminal for receiving and delivering electrical energy. Each cabinet also has energy storage modules. The energy storage modules are arranged in vertical stacks within the cabinets. The modules each comprise two or more rows of energy storage cells, with each row of energy storage cells having its own positive terminal and negative terminal. The rows of energy storage cells within each module reside electrically in series. At the same time, the energy storage modules reside electrically in series between the positive terminal and the negative terminal of its respective cabinet. Additionally, each of a plurality of cabinets resides electrically in series, forming strings. Cooling systems force air from one end of the cabinet to the other end of the cabinet.

An electrochemical device is provided that allows a conductive plate positioned between the power generation element and cap to be easily mounted and that is capable of maintaining a good electrical connection. The electrochemical device 1 includes: a case 10 including a recessed container 11 having a bottom 111 and a side wall 112, and a cap 12 that covers the opening of the recessed container 11; a power generation element 20 including a laminate having an electrode layer 21, an electrode layer 22 and a solid electrolyte layer 23 laminated together and contained in the interior space of the case 11 such that the bottom 111 and electrode layer 21 face each other; and a conductive plate 30 located adjacent to the opening of the recessed container 11 and positioned between the electrode layer 22 and cap 12. The recessed container 11 includes a plurality of insertion holes 115 with openings in the upper end surface of the side wall 112. The conductive plate 30 includes a plurality of elastic locking portions 31 located on edges thereof and corresponding in position to the insertion holes 115. With each elastic locking portion 31 inserted in an insertion hole 115, the tip portion 311 of the elastic locking portion 31 presses a side surface of the insertion hole 115.

This bus bar 10 comprises two connection parts 11 and a coupling part 12 for coupling and electrically connecting the two connection parts 11. The coupling part 12 comprises a first coupling part 12A and a second coupling part 12B different from the first coupling part 12A. The first coupling part 12A and the second coupling part 12B are configured to be elastically deformable. The coupling part 12 forms a conductive path between the two connection parts 11. The coupling part 12 is formed such that the cross-sectional area perpendicular to the conductive path is greater than the cross-sectional area perpendicular to the arrangement direction of the two connection parts 11.

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.

An electrochemical device is provided capable of maintaining good electrical connection and providing good sealability. An electrochemical device 1 includes: a case 10 including a recessed container 11 having a bottom 111 and a side wall 112, and a cap 12 that covers the opening of the recessed container 11; a power generation element 20 having a laminate with an electrode layer 21, an electrode layer 22 and a solid electrolyte layer 23 laminated together and housed in the interior space of the case 11 such that the bottom 111 and electrode layer 21 face each other; and a conductive plate 30 positioned adjacent to the opening of the recessed container 11 and between the electrode layer 22 and cap 12. The recessed container 11 includes a plurality of supports 115 on the inner peripheral surface of the side wall 112. The conductive plate 30 includes a plurality of supported portions 31 located on its edges and corresponding in position to the supports 115. With each supported portion 31 supported by its associated support 115, the power generation element 20 is pushed by a spring piece 33 of the conductive plate 30 toward the bottom 111 of the recessed container 11.

A tantalum capacitor includes a tantalum body including a tantalum element, a conductive polymer layer disposed on the tantalum element, and a tantalum wire penetrating through at least a portion of each of the tantalum element and the conductive polymer layer in a first direction, a molded unit surrounding the tantalum body and, an anode lead frame exposed to one surface of the molded unit and connected to the tantalum wire, a cathode lead frame spaced apart from the anode lead frame and exposed to the one surface of the molded unit, and a first coating layer disposed in at least a portion of a region between the molded unit and the anode lead frame and a region between the molded unit and the cathode lead frame.

This power storage device comprises a first power storage element, a spacer, a busbar, and a busbar holder. The first power storage element and the spacer are arranged side by side in a first direction. The first power storage element includes a first terminal disposed in a second direction that intersects with the first direction. The bus bar is joined to the first terminal. The spacer includes a first opposed portion. The busbar holder has a second opposed portion opposed to the first opposed portion in the first direction. The second opposed portion is disposed between the first opposed portion and a portion of the busbar in the first direction.

A capacitor includes multiple capacitor elements including a first end surface electrode and a second end surface electrode; a first conductor in contact with and electrically connected to the first end surface electrode; a second conductor in contact with and electrically connected to the second end surface electrode; a third conductor adjacent to the first conductor, the third conductor including an embedded part positioned in a first section that overlaps with the first conductor and an exposed part positioned in a second section separate from the first section; and a sealing resin part sealing the third conductor to embed the embedded part and expose the exposed part.

An energy storage assembly for storing electrical energy. The assembly comprises a plurality of cabinets, wherein each cabinet has an input terminal for receiving electrical energy, and a negative terminal for delivering electrical energy. Each cabinet also has a plurality of energy storage modules. The modules are stacked in vertical arrangement along the cabinets. The modules each comprise two or more rows of energy storage cells, with each row of energy storage cells having its own positive and negative terminals. The rows of energy storage cells within each module reside electrically in series. Additionally, the energy storage modules reside electrically in series between the positive and negative terminals of its respective cabinet. Additionally, each of the plurality of cabinets resides electrically in series. A chilled gas coolant passes along the rows of energy storage cells to cool the cells during operation of the energy storage assembly.

A bus bar 20 is a plate-shaped bus bar 20 that connects a plurality of power storage elements 11, and includes a plurality of connection portions 21 connected to electrode terminals 12A and 12B of the plurality of power storage elements, and one or more intermediate portion 22 that couples the adjacent connection portions 21, the connection portions 21 include electrode welding portion 23 disposed so as to respectively oppose the electrode terminals 12A and 12B and welded to the electrode terminals 12A and 12B, the intermediate portion 22 is provided with one or more slit 24, and the slit 24 has a shape elongated in an arrangement direction in which the connection portions 21 are arranged side by side and has a predetermined dimension in a width direction orthogonal to both the arrangement direction and an opposing direction in which the electrode welding portions 23 opposes the electrode terminals 12A and 12B.

This exterior material for a power storage devices is composed of a laminate including at least a base material layer, a barrier layer, and a heat-fusible resin layer in this order, the base material layer is composed of two or more layers, the base material layer includes one or more polyester films, and the base material layer has a work hardening index of 2.5 or more and 4.5 or less in both the longitudinal direction and the width direction and a difference in the work hardening index in the longitudinal direction and the width direction of 1.4 or less.

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.

A current tab assembly for an energy storage cell comprises an energy storage assembly that comprises a positive electrode with an active material, a negative electrode with an active material, and a separator arranged between the electrodes, wherein the energy storage assembly has a peripheral contour; and a current tab plate that is arranged in electrical contact with one electrode of the energy storage assembly, and the current tab plate has a peripheral contour that corresponds to the peripheral contour of the energy storage assembly.

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.

The invention relates to the technical field of energy storage components, and particularly discloses a super lithium ion capacitor module which comprises a plurality of super capacitors and further comprises a plurality of upper fixing frames and a plurality of lower fixing frames. A plurality of lower fixing frames; a connecting rod; a connecting piece I; a connecting piece II; according to the invention, two adjacent super capacitors are connected through the connection of the first connecting piece and the second connecting piece on the two adjacent upper fixing frames, the connection mode of the first connecting piece and the second connecting piece is combined connection, and the connection is realized through inserting the sleeve plate in the second connecting piece into the slot in the first connecting piece. The sleeve plate is pulled out of the slot to disconnect the connecting piece I and the connecting piece II, so that the super capacitor is convenient to disassemble and assemble, the replacement efficiency of the super capacitor is improved, and other super capacitors are not easy to damage when the super capacitor is replaced.

A battery module includes a plurality of batteries, current collector plates each connecting the plurality of batteries, and an upper holder including a part disposed between the plurality of batteries and the current collector plates. The plurality of batteries is arranged in a direction orthogonal to the height direction of the batteries. The upper holder includes a plurality of inclined surface parts which is inclined with respect to the arrangement direction and on which the current collector plate is mounted. A plurality of inclined surface parts is disposed in a row.

A power storage device includes a case, a power storage element, a band-shaped lead, and a sealing member. The sealing member includes an insulating gasket including a base part, and a conductive sealing plate. The sealing plate includes a displacement part. The displacement part of the sealing plate and the lead are electrically connected to each other. The displacement part is configured to be displaced in a direction away from the lead in response to an increase in an internal pressure of the case, thereby electrically disconnecting the displacement part and the lead from each other. The power storage device further includes displacement suppressing means disposed in the case and configured to suppress displacement of the lead when the displacement part is displaced in the direction away from the lead. Thus, it is possible to increase the operational reliability of a current interrupt device.

A disclosed electrode plate 21 for power storage device use includes an elongated sheet-shaped current collector 22 having a first main surface 23 and a second main surface 25, and a first active material layer 27 provided on the first main surface 23. The first main surface 23 has at least one first uncoated portion 24 located at one end of the current collector 22 in the widthwise direction, and on which the first active material layer 27 is not provided. The first uncoated portion 24 has a first longitudinal edge 24a coinciding with a part of the outer edge of the current collector 22, paired first widthwise edges 24b extending in the widthwise direction from the endpoints of the first longitudinal edges 24a, and a first connection edge 24c connecting the endpoints of the paired first widthwise edges 24b. Half or more of the first connection edge 24c extends obliquely relative to the longitudinal direction of the current collector 22. Thus, wrinkle formation in the uncoated portion can be reduced.

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.

A method for manufacturing a sealed container lid includes arranging an insulating flange 42 so as to overlap with a terminal flange 32, heating the insulating flange 42 overlapping with the terminal flange 32, pressing the insulating flange 42 on the terminal flange 32 in a state where a pair of pressure portions 55, 56 sandwich the terminal flange 32 and the heated insulating flange 42, and joining the insulating flange 42 to the terminal flange 32, arranging the insulating flange 42 so as to overlap with a lid body 15, heating the insulating flange 42 overlapping with the lid body 15, and a pressing the insulating flange 42 on the lid body 15 in a state where the pair of pressure portions 55, 56 sandwich the lid body 15 and the heated insulating flange 42, and joining the insulating flange 42 to the lid body 15.

An electrical feedthrough, in particular for an electrical storage device, is provided. The electrical feedthrough comprises a main body with a through-opening and a terminal pin, which is arranged in the through-opening and is held in the through-opening in an electrically insulating manner by a fixing material. It is also provided that the terminal pin has a core of a first electrically conductive material and that, at least on a first side of the electrical feedthrough, a first end face of the core is covered by a covering material of a second electrically conductive material, wherein the terminal pin and the fixing material are formed and arranged in such a way that, on the first side of the electrical feedthrough, the first electrically conductive material of the core is inaccessible.

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.

This power storage device (10) comprises a power storage cell (20) that is comprised of a positive electrode (21), a negative electrode (22), a separator (23), and a sealing part (24) that forms a sealed space for housing a liquid electrolyte between the positive electrode (21) and the negative electrode (22). The positive electrode (21) has a positive electrode active material layer (21b) that is formed on a first surface (21a1) of a positive electrode current collector (21a). The first surface (21a1) of the positive electrode current collector (21a) is formed of aluminum. The sealing part (24) is formed of an acid-modified polyolefin resin, and is bonded to the first surface (21a1) of the positive electrode current collector (21a). The positive electrode (21) comprises a carbon coating layer (M) that is provided, at a bonded portion with the sealing part (24), on the first surface (21a1) of the positive electrode current collector (21a). The carbon coating layer (M) contains carbon particles and a coating layer binding agent. The basis weight of the carbon coating layer M is 0.2 g / m2 or more.

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.

To provide an energizing component used in a new terminal-to-terminal connection structure, which can suppress the contact of workers, etc. with at least one of a terminal portion and a connection portion that can be a live power portion, a junction box with a terminal portion that is connected to the connection portion of the energizing component, a busbar module, and a battery module.SOLUTION: An energizing component 54 that electrically connects a plurality of terminal portions 32 includes an energizing member 56 having a plurality of connecting portions 60 to be fastened to a plurality of terminal portions 32 in a connected state, an insulating case 70 that accommodates the energizing member 56, and a connecting portion side relay portion 66 in which at least one of the plurality of terminal portions 32 is covered with an insulating terminal portion cover 48 having a terminal portion opening window 50, and that is provided at the connecting portion 60 fastened to the terminal portion 32 covered by the terminal portion cover 48, and is connected to the terminal portion 32 through the terminal portion opening window 50.SELECTED DRAWING: Figure 6