917results about "Multiple hybrid/EDL capacitors" patented technology

An energy management system can comprise a housing configured to receive energy storage assemblies within an interior region of the housing via one or more openings on a surface of the housing. One or more guide tracks positioned within the interior region can mechanically and electrically couple to the energy storage assemblies. One or more switches can electrically couple the energy storage assemblies in series to increase a voltage provided from energy storage assemblies to an electrical load and can electrically couple the energy storage assemblies in parallel to facilitate charging the energy storage assemblies from an energy source.

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 discloses a cement-based structure supercapacitor and a wall energy storage system, and relates to the technical field of energy storage. Wherein the cement-based structure super capacitor comprises a capacitor positive electrode, a capacitor negative electrode and a cement-based solid electrolyte; the capacitor positive electrode and the capacitor negative electrode are made of carbon nanomaterials; the cement-based solid electrolyte comprises cement, a conductive additive and a transition metal oxide; the cement-based solid electrolyte is arranged between the capacitor positive electrode and the capacitor negative electrode. According to the technical scheme, the energy storage performance of the super capacitor with the cement-based structure can be improved.

The energy storage container according to the present application includes a frame and multiple battery racks. The frame comprises multiple corner posts that extend in the direction of gravity. Multiple battery racks are installed within the frame and are arranged at intervals. The multiple corner posts include a first corner post that is adjacent to the battery racks, the first corner post includes an inner side facing the battery racks, and a part of the inner side is recessed in a direction away from the battery racks to form an accommodation space, the accommodation space accommodates at least parts of the battery racks.

An energy storage device includes a charge storage assembly, an auxiliary storage element, and a charge control circuit. The charge storage assembly includes an array of supercapacitors coupled in series, a plurality of batteries, and a charge retention circuit. Each of the plurality of batteries is electrically coupled to a corresponding supercapacitor in the array of supercapacitors. The charge retention circuit is configured to maintain a charge state of at least one supercapacitor in the array of supercapacitors when the at least one supercapacitor is in an idle state. A charge control circuit is configured to selectively transfer charge between the at least one supercapacitor in the array of supercapacitors and the auxiliary storage element.

Systems and methods for monitoring and managing temperature of power packs of supercapacitors are disclosed. The system comprises a plurality of supercapacitor power packs associated with an electric motor. Further, an energy database is provided and configured to store data related to the charge of the supercapacitor power packs and thermal energy requirements related to the supercapacitor power packs.

A holder configured to hold a plurality of power storage elements arranged side by side includes: a plurality of recesses that respectively accommodate the plurality of power storage elements with the power storage elements exposed to an upper side in an up-down direction; a plurality of frame portions that each partition two recesses adjacent to each other; and a plurality of holding portions that respectively protrude toward the upper side from the plurality of frame portions and are configured to hold the power storage elements accommodated in the recesses. The plurality of holding portions include first holding portions contact the power storage elements accommodated in the recesses, and second holding portions contact with the power storage elements accommodated in the recesses. A first holding portion and a second holding portion provided in the same frame portion among the plurality of frame portions do not overlap.

An energy storage apparatus includes an energy storage, and first, second, and third members positioned in a first direction relative to the energy storage and aligned in the first direction. The second member is between the first and third members, at least one of the first or second member includes a first rib protruding towards the other of the first or second member in a second direction intersecting the first direction, the first rib being in contact with the other of the first or second member in the second direction, and at least one of the second or third member includes a second rib protruding towards the other of the second or third member in the second direction or in a third direction intersecting the first and second directions, the second rib being in contact with the other of the second or third member in the second or third direction.

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.

A power storage unit includes: a resin holder configured to accommodate a power storage element with the power storage element partially exposed to an upper side; a circuit board that includes wiring electrically connected to the power storage element and is fixed to a lower side of the holder; and a metal case configured to accommodate the power storage element and the holder by fixing an open end that is open to the lower side to the circuit board. The holder includes one or more pillar portions protruding toward the upper side relative to the power storage element.

A glass fiber-based structural composite offers an alternative or supplement to carbon fibers in areas such as battery storage. Through electroless deposition of conductive materials like copper and nickel, the glass fiber surface is made conducting and functions as a good current collector. By using anode and cathode materials like manganese (II, III) oxide and Zinc, cathode and anode mats on the copper- and nickel-coated glass fibers are created via hydrothermal and electro-deposition methods. In one example application, the anode and cathode mats are in an alternate square patterned arrangement using copper and nickel-coated glass fiber as a current collector. The device, with a capacity of >300 mAh / g at 0.1 A / g is assembled using an alternate system of epoxy and electrolyte. Uncoated pristine glass fiber ladened and patterned with electrolyte are used as a separator. Uncoated pristine glass fiber ladened with epoxy can be used as an insulator between two devices.

Provided is an electrical storage device that is compact and can be manufactured easily, while allowing for use of higher voltages.　In an electrical storage device 1, a winding structure 20 comprises: a central electrode body 21 in which a first extending part 21b and a second extending part 21c extending from either side of a central portion 21a are wound around the central portion in the same direction; a first electrode body 22 electrically connected to a first external terminal 6 and extending toward an outer peripheral side from a vicinity of the central portion; a second electrode body 23 electrically connected to a second external terminal 7 and extending toward the outer peripheral side from a vicinity of the central portion; a first separator 24 disposed between the central electrode body and the first electrode body; and a second separator 25 disposed between the central electrode body and the second electrode body.

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.

The invention provides an integrated compression molding forming method and system for an energy storage-bearing thin-wall component, and the method comprises the steps: selecting an area within a strain requirement to arrange the distribution of energy storage elements in the component based on forming simulation, reserving open holes in fiber-reinforced resin prepreg according to a design position, and then laying the fiber-reinforced resin prepreg; a plurality of high-temperature-resistant soft package energy storage elements are placed in the notches of the fiber reinforced resin prefabricated body; the positive electrode and the negative electrode of the high-temperature-resistant soft package energy storage element are wrapped by a termination adhesive tape and are led out from a prepreg layer, and then the outer side of the positive electrode and the outer side of the negative electrode are packaged with prepreg and pre-compacted; heating and softening the prefabricated body, putting the prefabricated body into a medium and low temperature component forming mold, heating and pressurizing, and then cooling, so as to integrally form the energy storage-bearing composite material component; and uncovering the termination adhesive tape on the energy storage-bearing composite material component, connecting the positive electrode and the negative electrode of each energy storage element in the component to a battery management system, and carrying out low-current charge-discharge circulation at the rate of 0.1 C to obtain the stable energy storage-bearing integrated component.

A power storage device (10) comprises: a positive electrode (21) in which a positive electrode active material layer (21b) is formed on a first surface (21a1) of a positive electrode collector (21a); and a sealing part (24) that is adhered to the first surface (21a1) of the positive electrode (21). The sealing part (24) is formed from an acid-modified polyolefin resin. The positive electrode (21) comprises a carbon coating layer (M) that is provided at the portion of the first surface (21a1) of the positive electrode collector (21a) to which the sealing part (24) is adhered. The carbon coating layer (M) includes carbon particles and a coating layer binding agent. For the coating layer binding agent, the intensity ratio (PCOO / PCH) of a peak (PCOO) that represents a COO structure to a peak (PCH) that represents a CH structure on an IR absorption spectrum, as measured by infrared spectrophotometer, is 0.5-3.3.

The utility model provides a super capacitor module and a motor control module, the super capacitor module comprises a capacitor plate fixing support and two groups of capacitor plate assemblies, the capacitor plate fixing support is vertically arranged, the two groups of capacitor plate assemblies are symmetrically arranged at two sides of the capacitor plate fixing support, and the capacitor plate fixing support is vertically arranged. The capacitor plate assembly comprises a circuit board and a plurality of capacitors horizontally welded to one side of the circuit board, the capacitors are arranged on the circuit board in an array mode, the capacitors are arranged in at least two rows, the capacitors in the adjacent rows are arranged in a staggered mode, and the capacitors in the upper row are located between the two adjacent capacitors in the lower row; when the two capacitor plate assemblies are fixed to the two sides of the capacitor plate fixing support, the circuit board is attached to the capacitor plate fixing support. According to the utility model, the structure is optimized, the capacitor of the super capacitor is horizontally installed, the space utilization rate is improved, the height of the motor control module is reduced, and more vehicle chassis are adapted.

An energy storage module may include first and second energy storage devices each including: an electrode assembly; an external member accommodating the electrode assembly therein; and electrode leads joined to electrodes provided in the electrode assembly, in which the first and second energy storage devices are stacked in a vertical direction V so that a positive electrode lead of the first energy storage device and a negative electrode lead of the second energy storage device are electrically connected to each other.

A power storage pack includes: at least one power storage block including at least one power storage device including an exhaust valve; pack case accommodating the at least one power storage block and including an exhaust port; hollow member interposed between pack case and the at least one power storage block, a part of the hollow member facing the exhaust valve of the at least one power storage device; and a resin filler interposed between the at least one power storage device and hollow member. Hollow member includes opening and an outer surface any of which is connected to exhaust port of pack case.

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.

In order to overcome the problem that the electrochemical performance of the existing supercapacitor is seriously deteriorated at low temperature, the application provides a supercapacitor, comprising a positive electrode, a negative electrode and an organic electrolyte solution, wherein the organic electrolyte solution comprises an organic electrolyte, a proton inert solvent and an additive, and the additive comprises a compound represented by structural formula 1:wherein R1-R6 are each independently selected from a hydrocarbon group with 1-5 carbon atoms, a siloxane group substituted by a hydrocarbon group with 1-3 carbon atoms, an unsubstituted siloxane group, or hydrogen;the positive electrode and negative electrode are both porous carbon materials, and the porous carbon material and the compound represented by structural formula 1 meet the following condition:0.1≤BET*Vt*Mt1700≤7.5.The supercapacitor provided by the application has lower ESR (equivalent series resistance) and better high and low temperature performances.

The invention relates to a ceramic capacitor dielectric material and a preparation method and application thereof, and belongs to the field of ceramic capacitor dielectric materials. The problems that an X7R / X8R type ceramic capacitor material cannot meet the high-temperature application requirement, loss is high, and stability is insufficient are solved. The invention provides a dielectric material for a ceramic capacitor. The dielectric material is prepared from the following components in percentage by weight: 96.5 percent of BaTiO3, 3.5 percent of CaZrO3, 1.26 percent of NiO: Nb2O5 and 0.3 to 0.5 percent of MnCO3. According to the ceramic capacitor dielectric material, the capacitance change rate delta C / C25 DEG C is smaller than or equal to + / -15% within the range of-55 DEG C to 200 DEG C, and the X9R standard is met; the dielectric constant is as high as 4265, and the dielectric loss is as low as 0.012; the step-by-step pre-sintering and gradient sintering process inhibits abnormal growth of crystal grains, the density is improved, and the repeatability is high; the method does not need complex equipment and is suitable for industrial production.

An energy storage device includes a charge storage assembly, an auxiliary storage element, and a charge control circuit. The charge storage assembly includes an array of supercapacitors coupled in series, a plurality of batteries, and a charge retention circuit. Each of the plurality of batteries is electrically coupled to a corresponding supercapacitor in the array of supercapacitors. The charge retention circuit is configured to maintain a charge state of at least one supercapacitor in the array of supercapacitors when the at least one supercapacitor is in an idle state. A charge control circuit is configured to selectively transfer charge between the at least one supercapacitor in the array of supercapacitors and the auxiliary storage element.

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.

Provided is a power storage module (1) including a cell storage body (2), a cell storage space (27) disposed in the cell storage body (2) and having parallel wall surfaces, a power storage cell (3) stored in the cell storage space (27), and a sheet-shaped pressing member (4) disposed to face the wall surfaces of the cell storage space (27) via the power storage cell (3) and configured to apply a pressing force to the wall surfaces with respect to the power storage cell (3), in which the pressing member (4) has a deformable member made of an elastic body or a structure having expansibility and a storage bag in which the deformable member is stored, and the storage bag is sealable by closing a storage bag opening and is deformed according to a change in shape of the deformable member.

To provide a power storage device capable of saving spaces.SOLUTION: A power storage device 10 comprises a power storage element 100, a side plate 500 arranged on the lateral side of the power storage element 100 in a first direction, and an insulation member 600 arranged between the power storage element 100 and the side plate 500. The side plate 500 comprises a plate body part 510 facing the power storage element 100 in the first direction and a plate protrusion 530 protruding from the plate body part 510 in the first direction and facing the power storage element 100 in a second direction. The insulation member 600 comprises an insulation body part 610 arranged between the power storage element 100 and the plate body part 510 and an insulation protrusion 630 protruding from the insulation body part 610 in the first direction and arranged between the power storage element 100 and the plate protrusion 530 in the second direction. The power storage device 10 further comprises a securing member 700 for securing the insulation protrusion 630 to the plate protrusion 530.SELECTED DRAWING: Figure 5

Provided is a battery module that uses space efficiently and has high impact resistance. This battery module comprises a cylindrical hollow frame body, and a battery that is accommodated in the frame body. The frame body has a flat annular base portion, and a first column group and a second column group that are fixed to the flat surface of the base portion. The first column group is fixed to a flat annular first beam at a portion that extends vertically with respect to the flat surface of the base portion. The second column group is fixed to a flat annular second beam that has the same central axis as the first beam at a portion that extends vertically with respect to the flat surface of the base portion. The outside diameter of the first beam is less than the inside diameter of the second beam. The battery is positioned between the base portion, the first column group, and the second column group.

An electricity storage device (1, 101, 201) in which a plurality of electrodes (10, 212), in which a positive electrode layer (13) is provided on one surface of a collector plate (11) and a negative electrode layer (15) is provided on the other surface of the collector plate (11), are stacked via separators (17, 220), the electricity storage device (1, 101, 201) comprising: a plurality of spacers (21, 121) arranged along peripheral edges of the collector plates (11) between the collector plates (11) adjacent to one another in a stacking direction; and a resin frame (25, 125) covering outer peripheries of the plurality of spacers (21, 121) when viewed from the stacking direction, wherein the spacer (21, 121) has a first portion (241) overlapping with the resin frame (25, 125) when viewed from the stacking direction and a second portion (242) extending inward from the resin frame (25, 125) when viewed from the stacking direction, wherein the first portion (241) is bonded to the resin frame (25, 125), wherein the second portion (242) is bonded to the collector plate (11), wherein the resin frame (25, 125) is formed by injection molding, wherein an outer periphery (21b, 121b) of the spacer (21, 121) and an inner peripheral surface of the resin frame (25, 125) are integrated by welding, and wherein the resin frame (25, 125) collectively covers the outer peripheries of the plurality of spacers (21, 121).

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.