61results about "Capacitor collector combinations" patented technology

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.

The present invention pertains to a process for the manufacture of a polymer electrolyte membrane comprising a polyacrylonitrile-based polymer and to uses of said electrolyte membrane in various applications, particularly in electrochemical applications.

To provide a secondary battery with high capacity and less deterioration. A novel power storage device is provided.SOLUTION: A secondary battery includes a positive electrode and a negative electrode, in which the negative electrode includes a first active material, a second active material, and a graphene compound, at least part of a surface of the first active material includes a region covered with the second active material, a surface of the second active material and at least part of a surface of the first active material include a region covered with the graphene compound, the first active material includes graphite, the second active material includes silicon, and the capacity of the positive electrode is higher than or equal to 50% and lower than 100% of the capacity of the negative electrode.SELECTED DRAWING: Figure 1

The present disclosure provides a nonaqueous lithium power storage element in which the positive electrode active substance layer contains lithium iron phosphate and a carbon material containing activated carbon as the positive electrode active substance. When the content of carbon material in the positive electrode active substance layer is X1 (mass%) and the lithium iron phosphate content is X2 (mass%), the lithium iron phosphate mass ratio (X2 / (X1+X2)) is 0.40 to 0.85. The total pore volume of the positive electrode active substance layer is 0.29 cc / g to 0.70 cc / g, the void diameter D25 of the positive electrode active substance layer is 0.34 µm to 0.64 µm, the void diameter D75 of the positive electrode active substance layer is 0.10 µm to 0.20 µm, and the difference between the void diameter D25 and the void diameter D75 (D25-D75) is 0.20 µm to 0.45 µm.

To provide an EV that uses no rare metal, is capable of quick charge and travels over an extended distance.SOLUTION: An EV is characterized in that electricity is supplied not by a battery but by a capacitor and that a formation element and power storage are combined.SELECTED DRAWING: Figure 2

To provide an energy storage device that provides a compact design suitable for increasingly smaller components and survives reflow processing.SOLUTION: An ultracapacitor, which is an energy storage device suitable for mounting on a printed circuit board using a solder reflow process, comprises a sealed housing body comprising a positive internal contact and a negative internal contact, each disposed within the body and each in electrical communication with positive and negative external contacts, each of the external contacts providing electrical communication external to the body, an electric double layer capacitor (EDLC) energy storage cell disposed in a cavity within the body and comprising a stack of alternating electrode layers and electrically isolated separator layers, an electrolyte disposed in the cavity and wetting the electrode layers, and a positive lead electrically connecting a first group of one or more of the electrode layers to the positive internal contact.SELECTED DRAWING: Figure 7

An electrical circuit is provided including a substrate having a generally planar surface. A supercapacitor assembly includes a container having a length in a longitudinal direction. The supercapacitor assembly includes an electrode assembly enclosed within the container, and the electrode assembly may have a jelly-roll configuration. An angle ranging from about 0 to about 30 degrees is formed between the longitudinal direction of the container and the generally planar surface of the substrate.

According to an embodiment of the present disclosure, an aerosol generating device includes a housing including a battery receiving space; a heater which is arranged inside the housing and heats an aerosol generating material; and a power source which supplies power to the heater, wherein the power source includes a first battery which is detachably coupled to the battery receiving space and supplies power to the heater; and a second battery which is arranged inside the housing, is connected in parallel with the first battery when the first battery is coupled to the battery receiving space, and supplies the power to the heater .

A new species of capacitive mass energy storage system employing eutectic liquid metallic materials and 2D / 2.5D electrode structures to achieve energy densities capable of replacing battery chemistries as well as petrochemical fuels. The system utilizes metallic bonding principles and submicron-scale electrode separation to sequester high electrical and ionic charge values. Operating at substantially higher voltages than conventional capacitors, the system employs synergistic charge storage mechanisms, and specialized fabrication techniques including capillary printing. Simulations show that the technology provides high energy density simultaneous with rapid charging and near instant discharging capabilities, configurable power output in DC or AC forms, and thermal stability at elevated temperatures. Applications include electric vehicles, autonomous robotics, and medical devices, among others.

The invention relates to the technical field of power electronics, and discloses a control mechanism and a control strategy of a super-capacitor system. The control mechanism of the super-capacitor system comprises a pre-charging / discharging module and a system controller, the super-capacitor system comprises two parallel super-capacitor clusters, each super-capacitor cluster comprises a super-capacitor module, a main relay, a pre-charging relay, a pre-charging resistor and a super-capacitor cluster management unit, the super-capacitor module is connected with the pre-charging / discharging module, and the main relay is connected with the pre-charging relay. The main relay is connected in series to a positive pole main loop of the super-capacitance module, and the pre-charging relay and the pre-charging resistor are connected in series and then are connected in parallel to two sides of the main relay. According to the control mechanism of the super-capacitor system, the super-capacitor clusters are actively pre-balanced before parallel operation, so that the inter-cluster voltage difference is reduced, and inter-cluster circulation during parallel operation is reduced; in the system operation process, if a super-capacity cluster fault occurs and the current is small, the fault cluster exits and is switched to a single-cluster operation mode; and the super-capacitor cluster is discharged during shutdown, so that the voltage is reduced to a safety value, and the main relay is disconnected to ensure safety.

The present disclosure provides a nonaqueous lithium power storage element in which the positive electrode active substance layer contains lithium iron phosphate and a carbon material containing activated carbon as the positive electrode active substance. When the content of carbon material in the positive electrode active substance layer is X1 (mass%) and the lithium iron phosphate content is X2 (mass%), the lithium iron phosphate mass ratio (X2 / (X1+X2)) is 0.40 to 0.85. The total pore volume of the positive electrode active substance layer is 0.29 cc / g to 0.70 cc / g, the void diameter D25 of the positive electrode active substance layer is 0.34 μm to 0.64 μm, the void diameter D75 of the positive electrode active substance layer is 0.10 μm to 0.20 μm, and the difference between the void diameter D25 and the void diameter D75 (D25-D75) is 0.20 μm to 0.45 μm.

One embodiment of the present invention, in order to achieve the described technical objective, may provide an energy storage system manufacturing method comprising the steps of: receiving, in a pouch, a lithium electrode assembly comprising a lithium electrode terminal protruding to a first side of the pouch, a negative electrode assembly comprising a negative electrode terminal, a positive electrode assembly comprising a positive electrode terminal, and an electrolyte; doping the negative electrode assembly with lithium by electrically connecting the lithium electrode terminal and the negative electrode terminal; extracting the lithium electrode assembly from the pouch by cutting the pouch along a cut line which is formed so as to be spaced apart from the first side of the pouch at a predetermined interval; and sealing the cut surface of the pouch cut along the cut line.

Assembly comprising an electrochemical element and a rechargeable electrical element and associated manufacturing process. The assembly (10) comprises: - an electrochemical element (20) comprising: - a container (22) extending along a first central axis (A-A'), having an external tubular wall (24) delimiting an internal volume (30) receiving a first electrochemical bundle (32); - a rechargeable electrical element (40) electrically connected to the electrochemical element (20). The rechargeable electrical element (40) is a pouch-type element comprising a second bundle (43) having a first electrode, a second electrode, and at least one separator, the second bundle (43) being spirally wound around a second central axis (B-B') coaxial to the first central axis (A-A') and around the external tubular wall (24) of the electrochemical element (20). Figure for the abbreviation: Figure 2

A heating circuit for an energy storage device having an internal surface capacitance between the inputs that stores electric field energy between internal electrodes coupled to the inputs, one of the internal electrodes coupled to one of the inputs having the characteristics of a resistor and an inductor coupled in series with a voltage source, the heating circuit including: a power supply coupleable to one of the inputs, the power supply providing a positive input current and a negative input current at the inputs, the positive input current flowing into one of the inputs and the negative input current flowing out of one of the inputs; and a controller for controlling the power supply, the controller providing an alternating current at one of the inputs between the positive and negative input currents at a frequency sufficient to effectively short-circuit the internal surface capacitance of the energy storage device, generating heat and increasing the temperature of the electrolyte.

Servo drive (1) for controlling the operation of a servo motor, comprising: a capacitor (27) forming a smoothing circuit of an inverter and having a substantially cylindrical external shape; a container body (21) in which the capacitor (27) is stored; and a housing (10) that accommodates the capacitor (27) and the container body (21), wherein the housing (10) comprises a lid body (11) which includes a section in which a closure section (14) is provided, and a box body having an opening, closed by the lid body (11), wherein the container body (21) has an essentially box-like shape, which is formed by being provided with an opening section (21a) that makes it possible to insert and remove the capacitor (27) in relation to the container body (21) along a direction orthogonal to an axial direction of the capacitor (27), wherein the container body (21) is mounted on the box body of the housing (10) such that the opening section (21a) is covered by the closing section (14), which is part of the housing (10), and wherein the capacitor (27) is sandwich-like enclosed and held between the closure section (14) and a bottom section (21b) of the container body (21) which is arranged on a side opposite the side with the opening section (21a), wherein the capacitor (27) is elastically prestressed against the bottom section (21b) by a damping material (40) which is elastically deformable and is arranged between the closure section (14) and the capacitor (27).

A leakage sensor arrangement (30) configured for detecting leaking of an electrolyte (32) out of an energy storage cell (16) comprises an energy storage cell (16) including an electrolyte (32); a substrate (20); at least one monitoring portion (22) that is arranged on the substrate (20) so as to be capable to interact with emanating electrolyte (32) from the energy storage cell (16) by means of impedance; and an evaluation unit (26) that is operatively coupled to the monitoring portion (22) and configured for measuring an impedance value of the monitoring portion (22) and for determining the presence of emanating electrolyte (32) from the energy storage cell (16) due to an impedance change between a predetermined impedance value (Zbase) and a measured impedance value (Z) or between at least two measured impedance values (Z).

A secondary battery according to embodiments of the present invention includes an electrode assembly including cathodes and anodes repeatedly stacked, a case configured to accommodate the electrode assembly, and a positive temperature coefficient (PTC) heating sheet disposed between the case and the outermost surface of the electrode assembly.

The invention provides a capacitive energy storage device comprising: a lithium metal anode; a capacitive cathode comprising an ion-adsorption electrode material; an aprotic electrolyte comprising lithium salt; a nitrogen-based component selected from (i) a nitrogen oxide anion, present in the aprotic electrolyte, (ii) a reaction product of a nitrogen oxide anion, present in a solid electrolyte interphase layer between the lithium metal anode and the aprotic electrolyte, and (iii) combinations thereof; and a sulfur-based component selected from (i) a polysulfide anion, present in the aprotic electrolyte, (ii) a polysulfide anion or reaction product thereof, present in a solid electrolyte interphase layer between the lithium metal anode and the aprotic electrolyte, and (iii) combinations thereof.

The subject matter of the invention is an assembly formed by a cover and a capacitive block (25), the capacitive block (25) comprising a casing (20), which comprises at least one first retention member (21, 22), the cover comprising at least one second additional retention member, the at least one second retention member comprising a retention stop configured to receive a portion of said at least one first retention member (21, 22) when the capacitive block (25) is engaged in the cover, so as to retain the capacitive block (25) when the assembly formed by said cover and by said capacitive block (25) is turned over, in particular during a phase of assembling said assembly on a frame of an item of electrical equipment.

Provided in the present invention are a low-cost circuit and method for effectively extending the service life of a supercapacitor. The circuit comprises an MCU, and a supercapacitor charge control circuit, a supercapacitor discharge control circuit, a supercapacitor voltage detection circuit and a supercapacitor power supply circuit that are connected to the MCU, wherein two control signal output terminals of the MCU are connected to a supercapacitor by means of the supercapacitor charge control circuit and the supercapacitor discharge control circuit, respectively; a detection signal terminal of the supercapacitor is connected to a detection signal input terminal of the MCU by means of the supercapacitor voltage detection circuit; and the supercapacitor is connected to the supercapacitor power supply circuit. The present invention can enable an electric energy meter to automatically adjust the voltage of a supercapacitor under different operating temperatures, thereby reducing the risk of supercapacitor failure; and the present invention has the characteristics of simple implementation, low costs and high reliability.

The utility model provides a vehicle with a battery power supply, which comprises a power supply comprising a battery pack, and the battery pack is provided with at least one battery; a battery pack case that accommodates the battery pack; and a bracket for stabilizing the position of the at least one battery of the battery pack in the battery pack housing, the bracket having means for attaching the bracket to the battery pack housing, the surface of the bracket is contacted with the surface of the at least one battery to fix or at least stabilize the position of the at least one battery relative to the battery pack shell; wherein the support includes a housing having an interior space, the interior space housing a supercapacitor bank, the supercapacitor bank being electrically connected to the battery pack.

An aerosol generating apparatus according to one embodiment of the present invention includes a housing that includes a battery housing space, a heater located inside the housing for heating an aerosol generating material, and a power supply that supplies power to the heater, the power supply including a first battery that is detachably coupled to the battery housing space and supplies power to the heater, and a second battery that is located inside the housing and, when the first battery is coupled to the battery housing space, is connected in parallel with the first battery and supplies power to the heater.

A variable capacitor includes a holder, at least one first electrode, and at least two second electrodes. The holder holds an ionic liquid, the at least one first electrode is provided in the holder, and receives either a positive or negative direct-current voltage and the at least two second electrodes are provided on portions of the holder where electric double layers in the ionic liquid are formed when the direct-current voltage is applied to the first electrode, and the at least two second electrodes supply a radio-frequency power via the holder.

The invention relates to a capacitive block (1), in particular for electrical equipment, comprising - a recess, - at least one capacitive element (5) having a first end arranged in the recess and a second end (9), which is opposite the first end (7) and extends out of the recess, - a stop (11), the stop (11) being attached to the second end (9) of the capacitive element (5), at least one spacer (13), bearing against the stop (11), so as to determine the distance between the second end (9) of the capacitive element (5) and an end wall of the recess.

Disclosed is a balancer for electric double-layer capacitors that maximizes charging energy efficiency by allowing deviation within a permissible range in which charging voltages of a first electric double-layer capacitor and a second electric double-layer capacitor do not cause problems, while controlling currents flowing through the two electric double-layer capacitors to be equal.The balancer includes a first resistor, a second resistor, and a third resistor sequentially connected in series between a power line and a common line; a first transistor having a base terminal electrically connected between the first resistor and the second resistor and connected in parallel with the first electric double-layer capacitor; and a second transistor connected in series with the first transistor, having a base terminal electrically connected between the second resistor and the third resistor and connected in parallel with the second electric double-layer capacitor.

Provided is a secondary battery with high capacity and less degradation. Also provided is a novel power storage device. This secondary battery has a positive electrode and a negative electrode. The negative electrode has a first active material, a second active material, and a graphene compound. A region covered with the second active material is provided to at least part of the surface of the first active material. A region covered with the graphene compound is provided to at least part of the surface of the first active material and the surface of the second active material. The first active material includes graphite. The second active material includes silicon. With respect to the capacity of the negative electrode, the capacity of the positive electrode is not less than 50% but less than 100%.