179results about "Capacitor collector combinations" 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.

A heating circuit for an energy storage device having a core with an electrolyte, inputs, a capacitance across the electrolyte and the core, and internal surface capacitance between inputs which can store electric field energy between internal electrodes of the energy storage device that are coupled to the inputs, including: a power supply coupled to an input, the power supply provides positive and negative input currents to one input, the positive input current flows in to the input and the negative input current flows out of another input; and a controller that switches between the positive and negative input currents to provide the positive input current and the negative input current to the one of the inputs at a frequency sufficient to effectively short the internal surface capacitance of the energy storage device to generate heat and raise a temperature of the electrolyte.

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 heating circuit for an energy storage device having internal surface capacitance between inputs storing electric field energy between internal electrodes that are coupled to the inputs, with one of the internal electrodes coupled to one of the inputs having characteristics of a series coupled resistor and inductor to a voltage source. The heating circuit including: a power source couplable to one input, wherein the power source provides positive and negative input currents at the input, the positive input current flows into one of the inputs and the negative input current flows out of one of the inputs; and a controller for controlling the power source to provide alternating current between the positive and the negative input currents at one of the inputs at a frequency sufficient to effectively short the internal surface capacitance of the energy storage device to generate heat and raise a temperature of the electrolyte.

Provided is a secondary battery having high capacity and little deterioration. Provided is a novel power storage device. The secondary battery includes a positive electrode and a negative electrode, the negative electrode including a first active material, a second active material, and a graphene compound, at least a part of a surface of the first active material including a region covered with the second active material, the surface of the second active material and at least a part of the surface of the first active material include a region covered with a graphene compound, the first active material contains graphite, the second active material contains silicon, and the capacity of the positive electrode is 50% or more but less than 100% of the capacity of the negative electrode.

A heating circuit for an energy storage device having a core with an electrolyte, inputs, a capacitance across the electrolyte and the core, and internal surface capacitance between inputs which can store electric field energy between internal electrodes of the energy storage device that are coupled to the inputs, including: a power source coupled to one of the inputs, wherein the power source provides positive and negative input currents to the input, the positive input current flows in to one of the inputs and the negative input current flows out another of the inputs; and a controller for controlling the power source to provide alternating between the positive and negative input currents to the input at a frequency sufficient to effectively short the internal surface capacitance of the energy storage device to generate heat and raise a temperature of the electrolyte.

A logging system and method for operating a logging system are typically used in a wellbore. The logging system may include a logging instrument including a rechargeable energy storage and logging electronics, and a cable configured to trickle charge the rechargeable energy storage. The rechargeable energy storage may include an ultracapacitor. The rechargeable energy storage may be trickle charged through the cable from a remote power source.

An aerosol provision device for providing an aerosol during a puff on the aerosol provision device is disclosed. The aerosol provision device comprises at least one power source comprising at least one supercapacitor configured to supply electrical power to at least one aerosol generator for generating the aerosol from aerosol- generating material. The at least one supercapacitor is a lithium-ion capacitor, LIC, comprising an anode and a cathode, wherein said anode and / or said cathode comprises one or more dopants.

A novel thermoelectric device with charge flowing across one junction stores electrical charge instead of flowing the charge across another thermoelectric junction, thereby preventing proximal hot and cold sides that lead to thermal backflow in the prior art. This novel device also allows for minimization of the thickness of the thermoelectric layer, reducing electrical resistance that limits efficiency in prior art devices. Practical heating and cooling systems are shown based on the novel thermoelectric device.

The invention relates to the technical field of charging, in particular to a concentrator super-capacitor and battery charging management circuit and a control method, and the method comprises the steps: a constant current source module is connected with a rechargeable battery module and a super-capacitor module, and a concentrator module charges the voltage of the rechargeable battery module and the super-capacitor module to a first voltage through the constant current source module; the MOS switch module is connected with the super capacitor module, and the concentrator module charges the voltage of the super capacitor module to a second voltage through the MOS switch module. In the first stage, the constant current source module is adopted to charge the rechargeable battery module and the super capacitor module at the same time, the voltages of the rechargeable battery module and the super capacitor module can be rapidly charged to the first voltage, the charging speed is remarkably increased, the problem of slow charging is solved, the overall charging efficiency of the concentrator is effectively improved, and the situation that an expensive constant current chip is used in the whole process is avoided; and on the premise of ensuring the charging performance, the number of used chips is greatly reduced, so that the hardware cost of the system is remarkably reduced.

A computer system can remotely manage a vehicle's operational settings. The computer system can cause operational settings data to be downloaded to a vehicle to control one or more operations of the vehicle. The computer system can generate download event information indicating the operational settings data downloaded to the vehicle and a user associated with the vehicle. The computer system can access a pricing structure associated with operational settings. The computer system can charge the user based on the pricing structure and the download event information.

An aerosol provision system for providing an aerosol during a puff on the aerosol provision device is disclosed. The aerosol provision system comprises a power source in the form of a supercapacitor, an interface for receiving electrical energy from a mobile phone, and circuitry configured, in use, to charge the power source using the electrical energy received from the mobile phone via said interface. The power source is configured to supply power to an aerosol generator for generating an aerosol from an aerosol-generating material. A corresponding method of charging a power source in an aerosol provision system is also disclosed.

Electrolytic cell (10) for the decoupled electrolysis of water comprising a first electrode (11), for the production of hydrogen (H2) and oxygen (O2), alternatively; a second electrode (12); an alkaline aqueous solution (13) in which the first electrode and the second electrode are immersed; polarity reversal means operatively connected to both the first electrode and the second electrode; the first electrode and the second electrode are polarized in the opposite way to each other in all operating conditions; the second electrode (12) comprises porous conductive carbon.

A multi-layer device having a transparent or semi-transparent substrate; a solar cell layer coupled to the substrate; an energy storage layer coupled to the solar cell layer; and a converter layer coupled to the energy storage layer. The solar cell layer has a plurality of solar cells for receiving light through the substrate and converting energy of the received light into first electrical energy; the energy storage layer has one or more energy storage units for storing second electrical energy; and the converter layer has one or more power converters electrically connected to the solar cell layer and the energy storage layer for receiving the first electrical energy and the second electrical energy from the solar cell layer and the energy storage layer and outputting third electrical energy through an output thereof.

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 variable capacitor includes a holding portion, a first electrode, and a second electrode. The holding unit is configured so as to be able to hold an ionic liquid. At least one first electrode is provided in the holding portion and is configured so as to apply a direct-current voltage of either positive or negative. At least two second electrodes are provided in a portion where an electric double layer is formed in the ionic liquid of the holding portion when a DC voltage is applied to the first electrode, and are configured so as to be able to be energized with high-frequency power via the holding portion.

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.

The invention relates to the technical field of capacitors, and discloses an electrochemical capacitor which comprises a capacitor body, a first explosion-proof mechanism is arranged outside the capacitor body, and a second explosion-proof mechanism is arranged outside the first explosion-proof mechanism. According to the electrochemical capacitor, the protective alloy steel shell and the sealing alloy steel plate are made of alloy materials, good toughness and strength are achieved, the anti-impact effect can be improved, the heat dissipation fan conducts air cooling heat dissipation on the capacitor body, the electric air cylinder pushes the anti-smoke baffle to block the heat dissipation through holes, smoke dispersion and explosion scrap splashing are prevented, and the service life of the capacitor is prolonged. The first anti-explosion reinforcing ribs and the second anti-explosion reinforcing ribs improve the overall anti-explosion performance, the titanium alloy shells have the effects of being light in weight, high in strength and resistant to corrosion, external protection is provided conveniently, the honeycomb air bag is arranged between the titanium alloy shells, shock waves of explosion can be buffered and absorbed conveniently, and the service life of the honeycomb air bag is prolonged. And the first ventilation opening and the second ventilation opening are sealed by the protective blocking shell, so that the chippings are further prevented from splashing.

An aerosol provision device for providing an aerosol during a puff on the aerosol provision device is disclosed. The aerosol provision device comprises at least one power source comprising at least one supercapacitor configured to supply electrical power to at least one aerosol generator for generating the aerosol from aerosolgenerating material. The at least one supercapacitor is a lithium-ion capacitor, LIC, comprising an anode and a cathode, wherein said anode and / or said cathode comprises one or more dopants.

DC-DC converter with an output-side storage capacitor arrangement for providing an operating voltage for an inductive load and for at least one further electronic circuit and / or electronic component of a vehicle electronics, wherein the storage capacitor arrangement is connected to the DC-DC converter via a reverse-biased diode (6) and the output-side storage capacitor arrangement is connected to a parallel circuit consisting of an electrolytic capacitor (1), a ceramic capacitor (2) and a circuit arrangement is formed with a series connection of a hybrid electrolytic capacitor (3) and a suppressor diode (4) and a resistor (5) connected in parallel to the hybrid electrolytic capacitor (3), wherein the hybrid electrolytic capacitor (3) has a lower series resistance than the electrolytic capacitor (1) and a larger capacitance than the ceramic capacitor (2), so that in the event of energy being fed back from the inductive load into the storage capacitor arrangement, the hybrid electrolytic capacitor (3) absorbs a large proportion of the energy and thus prevents a voltage increase at an output terminal above a value at which connected components can be destroyed, wherein the output terminal is the cathode terminal of the diode (6) and the inductive load can be connected to the output terminal.

The invention relates to an energy storage device (10) for an electromagnetic drive of a low-voltage switch, medium-voltage switch, or high-voltage switch, the energy storage device (10) comprising one or more capacitors (201, 202, 203) of a first capacitor type and one or more additional capacitors (301, 302, 303, 304, 305) of a second capacitor type, the first capacitor type including ceramic capacitors, film capacitors and / or electrolytic capacitors and the second capacitor type being a supercapacitor, and the at least one capacitor (201, 202, 203) of the first capacitor type and the at least one additional capacitor (301, 302, 303, 304, 305) of the second capacitor type being interconnected in parallel via an energy flow controller (100).

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

A power system adapted for supplying power in a high temperature environment is disclosed. The power system includes a rechargeable energy storage that is operable in a temperature range of between about seventy degrees Celsius and about two hundred and fifty degrees Celsius coupled to a circuit for at least one of supplying power from the energy storage and charging the energy storage; wherein the energy storage is configured to store between about one one hundredth (0.01) of a joule and about one hundred megajoules of energy, and to provide peak power of between about one one hundredth (0.01) of a watt and about one hundred megawatts, for at least two charge-discharge cycles. Methods of use and fabrication are provided. Embodiments of additional features of the power supply are included.

The invention belongs to the technical field of batteries, and particularly relates to a novel multilayer flexible graphite and graphene capacitor battery and a preparation process thereof. The novel multilayer flexible graphite and graphene capacitor battery prepared by the invention is formed by stacking multiple layers of sub-capacitor batteries, and each sub-capacitor battery comprises a dielectric layer, a graphene electrode plate, an insulating encapsulation layer and an electromagnetic shielding layer; according to the invention, the graphene electrode plate is doped with the polymer resin which is the same as the dielectric layer, the graphene electrode plate and the dielectric layer are combined more tightly according to similar compatibility characteristics, and meanwhile, the graphite powder, graphene and the conductive wire mesh are tightly combined through the polymer resin, so that the graphene electrode plate forms a whole; the novel multi-layer flexible graphite and graphene capacitor battery is formed through the multi-layer sub-capacitor battery, and the problems that the capacitance is low due to the fact that the dielectric layer is too thick, and the capacitance is fast to discharge due to the fact that the dielectric layer is too thin are effectively solved.

Provided is a secondary battery having high capacity and little deterioration. Provided is a novel power storage device. The secondary battery includes a positive electrode and a negative electrode, the negative electrode including a first active material, a second active material, and a graphene compound, at least a part of a surface of the first active material including a region covered with the second active material, the surface of the second active material and at least a part of the surface of the first active material include a region covered with a graphene compound, the first active material contains graphite, the second active material contains silicon, and the capacity of the positive electrode is 50% or more but less than 100% of the capacity of the negative electrode.