230results 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 secondary battery, a wireless charging circuit connected to the secondary battery, an outer casing member that has an outer shape equivalent to an outer shape of a universal battery and accommodates the secondary battery and the wireless changing circuit, and a positive terminal and a negative terminal that are electrically connected to the secondary battery and are provided at positions corresponding to positions of a positive terminal and a negative terminal, respectively, of the universal battery, are provided. The wireless charging circuit includes a power reception protecting circuit that stops power reception at a rectifier circuit in a case where a received voltage exceeds a predetermined voltage range.

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.

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.

The present disclosure relates to a current separation method and the like of a nonaqueous lithium power storage element. In the current separation method, the nonaqueous lithium power storage element includes a cell including: a positive electrode precursor that includes a positive electrode active material layer containing lithium carbonate and activated carbon; a negative electrode that includes a negative electrode active material layer containing a negative electrode active material capable of occluding and releasing lithium; a separator arranged between the positive electrode precursor and the negative electrode; and an electrolyte solution. The current separation method includes the step of calculating a capacitor current IC and an electrode reaction current Id of the cell based on voltage and current of the cell that are measured during doping of the cell.

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.

The utility model discloses a double-electric-layer capacitor, which relates to the technical field of capacitors and comprises pins, a main body is fixedly mounted at the lower ends of the pins, the pins are symmetrically arranged about the axis of the main body, an adjusting device is arranged in the main body and rotatably connected with the main body, and the adjusting device comprises a rotating plate. A plurality of connecting plates are correspondingly mounted on the upper surface and the bottom surface of the rotating plate, the pins penetrate through the upper surface of the main body and abut against the connecting plates on the upper surface of the rotating plate, a plurality of fixing grooves are formed in the rotating plate corresponding to the connecting plates, a resistor is fixedly mounted in each fixing groove, and the resistors penetrate through the tops and the bottoms of the inner walls of the fixing grooves and are connected with the connecting plates. The resistance values of the plurality of resistors are different, and an adjusting device is arranged, so that a worker adjusts the resistors and changes the working voltage of the capacitor according to needs, and further the overall capacitance and different pulses are filtered; the working preparation process is reduced, and the working efficiency is improved.

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.

One aspect of the present invention provides a charging control system that is capable of effectively using regenerative electric power without wasting the regenerative electric power. Generated regenerative electric power is efficiently stored in a second secondary battery and then stored in a main first secondary battery. Charging from the second secondary battery to the first secondary battery is performed via a DC-DC converter. The charge state of the first secondary battery and the charge state of the second secondary battery are controlled. When the first secondary battery is close to full charge and is likely to deteriorate, it is possible to perform charging from the first secondary battery to the second secondary battery.

The invention relates to an electrochemical biofilm sensor comprising a first, a second and a third electrode, wherein the first electrode is a working electrode on whose surface the biofilm whose growth is to be measured develops, the second electrode is a reference electrode having the function of providing a stable reference potential for the polarization of the working electrode, the third electrode is a counter-electrode that can be connected to the first electrode through an electric circuit so as to allow the circulation of current from the first electrode to the third electrode or vice versa, a function of the alteration induced by the biofilm on the kinetics of the evolving reactions on the surface of the first electrode. The first electrode and / or the second electrode and / or the third electrode have the characteristic of being coated with a coating based on mixed oxides of different noble metals, such as iridium, ruthenium, platinum, rhodium, tantalum or niobium, and wherein one or more electrodes are made of titanium or tantalum, and wherein the coating has a thickness of between 0. 1 and 50 microns, preferably 2.5 microns ± 10%.

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.

A bipolar solid state battery cell includes a plurality of battery cells, where each cell includes a separator, an anode disposed on a first side of the separator, and a cathode disposed on a second side of the separator; wherein the second side is disposed opposite the first side. The anode is in electrical communication with the anode current collector and the cathode is in electrical communication with the cathode current collector. A capacitor wall is disposed parallel to at least one outer surface of the anode or cathode, wherein the capacitor wall includes a capacitor active material.

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).

A grounding circuit (100) for a backup power supply is provided, the backup power supply being used to power a pitch motor (33) of a pitch system (70) in a wind turbine (10). The grounding circuit (100) includes one or more switch elements (120) configured to selectively connect the backup power supply to a charging circuit (110) based on a state of a first interface element (102). The grounding circuit (100) also includes one or more switch elements (120) configured to selectively ground the backup power supply based on a state of a second interface element (104). The grounding circuit (100) includes at least one circuit protection device (140) connected between the backup power supply and the charging circuit (110). When the backup power supply is connected to the charging circuit (110) and then grounded, the at least one circuit protection device (140) is configured to disconnect the backup power supply from the charging circuit (110).