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70results about How to "Fast energy storage" patented technology

Micro-nano light trap honeycomb energy storage composite power generation device

InactiveCN106452287AReduced reflection lossImprove light harvesting efficiencyPV power plantsPhotovoltaic energy generationThermal energyMicro nano
The invention relates to a micro-nano light trap honeycomb energy storage composite power generation device which comprises two types: a laser type micro-nano light trap honeycomb energy storage composite power generation device and a solar concentration type micro-nano light trap honeycomb energy storage composite power generation device, wherein the laser type micro-nano light trap honeycomb energy storage composite power generation device implements composite power generation by use of laser for wireless transmission of energy; the laser type micro-nano light trap honeycomb energy storage composite power generation device comprises a laser part, a micro-nano light trap honeycomb energy storage part, a thermal battery part, a thermal energy power generation part and an intelligent controller; and the micro-nano light trap honeycomb energy storage part can generate a light trap effect as well as absorb laser or solar concentration and store and convert the energy transmitted by laser or solar concentration, and can transmit and provide work energy to the thermal battery part and the thermal energy power generation part respectively in the daytime or at night. The device can outward output comprehensive electric quantity generated by thermophotovoltaic power generation and thermal energy power generation.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Energy storage unit for supplying short-time high-power supply and method

The invention discloses an energy storage unit for supplying short-time high-power supply and a method. The input of a single-phase low-power power supply (alternating current or direct current, not greater than 6KW) passes through a rectifying and voltage-boosting apparatus, a DC-DC conversion module and an output rectifying and filtering module to transmit electric charges to a high-capacity energy storage which consists of multiple high-capacity capacitor modules and a medium-capacity capacitor module; and the process is completed within a few hundred seconds. After the high-capacity energy storage completes energy storage, single-phase short-time high-power output can be provided for the outside, so that the power supply requirement of a motor direct drive type operating mechanism can be satisfied; the energy storage unit has the advantages of modular structure, high energy storage density, high energy storage speed, diversified working patterns, safety and reliability in use, light weight, convenience in energy storage expansion and the like; the problem of dependence of short-time operation of high-capacity equipment on the conventional high-capacity power supply can be solved; and in addition, long-distance and large-section conductor power transmission can be avoided, the cost is lowered, and the adaptivity and mobility of the short-time high-power equipment are improved.
Owner:西安西电高压开关操动机构有限责任公司 +1

Carbon dioxide circular power generation method adapting to countries with solar energy as energy

ActiveCN106988972AMeet the requirements of unfavorable economic environment conditionsReduce self-consumption powerSolar heating energyFrom solar energyEcological environmentCo2 storage
The invention discloses a carbon dioxide circular power generation method adapting to countries with solar energy as energy. CO2 is used as a working medium; a solar CO2 energy storage device is adopted to convert the solar energy to a high-pressure heat-state supercritical CO2 fluid with high energy storage density; a flow stabilizing adjuster adjusts the high-pressure heat-state supercritical CO2 fluid as an equal-pressure heat-state supercritical CO2 fluid for acting a turbine/piston expander to drive a generator to generate electricity; the solar CO2 energy storage device includes a light collection CO2 energy storage device and a lens energy collecting device; and the method mainly comprises the steps of: (1) CO2 storage and conveying; (2) CO2 energy storage; (3) tempering and power generation of the supercritical CO2 fluid; and (4) CO2 circulation and regeneration utilization. The method has such advantages as convenience to use the solar energy as the energy under complex topography conditions in vast countries with different longitude and latitude conditions, small floor area, no influence on ecological environments of the countries, stable operation, low self energy consumption, low investment and low operating cost.
Owner:长沙紫宸科技开发有限公司

Large current pulse power supply suitable for electromagnetical repulsion force repulsion mechanism

The invention discloses a heavy-current pulse power supply suitable for an electromagnetic repulsion mechanism, which comprises a capacitor charging device, a capacitor discharging device, a capacitor control device, and a charging/discharging control device, wherein the capacitor charging device is realized by serially connecting a rectifier bridge and an MOS transistor, and is used for realizing the charging of an energy storage capacitor; the capacitor discharging device is realized by a thyristor and a coil, and is used for realizing the discharging of the energy storage capacitor; the capacitor control device is realized by an analog hysteresis circuit and an analog voltage-dividing detection circuit, and is used for realizing the constant voltage control of the energy storage capacitor; and the charging/discharging control device is realized by an analog logic circuit, and is used for controlling the charging and/or discharging of the capacitor charging device and/or the capacitor discharging device to the energy storage capacitor. The heavy-current pulse power supply realizes quick charging/discharging and high-precision constant-voltage control of the energy storage capacitor, thereby realizing quick action of a fast mechanical switch.
Owner:STATE GRID CORP OF CHINA +1

Energy-storage heat exchanger with double flow channels

The invention discloses an energy-storage heat exchanger with double flow channels. The heat exchanger comprises a pipe-shell heat exchanger body, the pipe-shell heat exchanger body is provided with ashell body, pipe boxes and a plurality of heat exchange pipes, wherein the shell body is internally provided with a plurality of baffling partition plates, the pipe boxes are arranged at the upper end and the lower end of the shell body through flanges, and the plurality of heat exchange pipes are arranged in the shell body in an array mode and communicate with the pipe boxes at the upper end andthe lower end of the shell body; and the heat exchange pipes are sleeved with annular sleeve pipes, and gaps between the inner holes of the annular sleeve pipes and the outer walls of the heat exchange pipes are hermetically filled with phase change materials. Compared with a traditional pipe-shell heat exchanger body, the energy-storage heat exchanger has the higher energy storage capacity, andthe problem that energy is distributed unevenly in time can be effectively solved; compared with the design of a single-flow channel energy storage heat exchanger, the design of the double flow channels has the more flexible operability, and the double flow channels can meet the requirements that the system performs energy storage and heat release operation at the same time; and the heat exchangeris suitable for the fields of industrial waste heat recovery, solar heat storage, heat pump water heaters combining peak valley electricity heating and the like.
Owner:SOUTH CHINA UNIV OF TECH

Sodium ion battery energy storage process and device

The invention discloses a sodium ion battery energy storage process and device, and relates to the technical field of sodium batteries. The sodium ion battery energy storage process comprises the following specific steps: 1, placing a sodium ion battery in an energy storage machine, and electrically connecting the energy storage machine with the sodium ion battery; 2, an energy storage machine detecting the state of each sodium ion battery, if the voltage of the sodium ion battery is lower than a pre-energy-storage voltage threshold value, the energy storage machine pre-storing energy of the sodium ion battery, the pre-energy-storage current being 400-490 mA/min, the pre-charging time being 13-18 min, the energy storage machine performing cyclic heating treatment, and the temperature in the energy storage machine being controlled to 38-46 DEG C. According to the method, the pre-energy-storage sodium ion battery is heated, so that the activity of the sodium ion battery is improved, the speed of entering an energy-storage balance point is accelerated, and the sodium ion battery can quickly reach the balance point; cooling treatment is carried out in the balanced energy storage stage, so that the sodium-ion battery is cooled to a stable state, potential safety hazards during energy storage of the sodium-ion battery are avoided, and the sodium-ion battery with large weight can be conveniently assembled and disassembled and can be conveniently assembled and disassembled in an energy storage machine.
Owner:爱索思(江苏)储能技术有限公司

Method suitable for rural carbon dioxide cycle power generation

ActiveCN106884690AEfficient acquisitionMeet supercritical CO <sub>2</sub> High temperature energy conditions required for cycle power generationIncreasing energy efficiencySteam engine plantsHigh energyVolumetric Mass Density
Provided is a method suitable for rural carbon dioxide cycle power generation. According to the method, CO2 is used as a working medium, biomass energy and solar energy can be converted into high-energy-storage-density high-pressure thermal supercritical CO2 fluid through biomass furnace CO2 energy storage devices and solar energy CO2 energy storage devices, and the fluid is regulated into equipressure thermal supercritical CO2 fluid through a steady flow regulator and supplied to a turbine/piston expander so that the turbine/piston expander can do work to drive an electric generator to generate electricity; and each solar energy CO2 energy storage device comprises a light collecting CO2 energy storage device and a lens energy gathering device. The method mainly comprises the following steps of (1), storage and conveying of CO2, (2), CO2 energy storage, (3), supercritical CO2 fluid hardening and tempering and electricity generation and (4), CO2 circulating and backheating utilization. The method has the beneficial effects that a lot of renewable biomass resources and solar energy in villages can be used as energy, operation is stable, self-energy consumption is low, the investment is low and the operation cost is low.
Owner:长沙紫宸科技开发有限公司

Open type variable pump system integrating constant function and load sensitive function

ActiveCN107269633ATo achieve the purpose of responding to work separatelyFast energy storageServomotor componentsAccumulator installationsCheck valveShuttle valve
The invention discloses an open type variable pump system integrating a constant function and a load sensitive function. The system comprises an open type variable pump, a filter, a hydraulic oil tank, an energy storage, a check valve, a shuttle valve, a pressure switch, an electromagnetic reversing valve, a constant-pressure reversing valve, a load-sensitive reversing valve, an execution mechanism 1 and an execution mechanism 2, wherein an oil outlet of the open type variable pump is respectively connected with an oil inlet of the check valve and an oil inlet of the load-sensitive reversing valve; an oil outlet of the check valve, the pressure switch, an oil inlet of the electromagnetic reversing valve, an oil inlet/oil outlet of the energy storage, and an oil inlet of the constant-pressure reversing valve are mutually connected; an oil outlet of the electromagnetic reversing valve and an oil outlet of the load-sensitive reversing valve are respectively connected with two inlets of the shuttle valve; an outlet of the shuttle valve is connected with a load feedback hole of the open type variable pump; an oil outlet of the constant-pressure reversing valve is connected with the execution mechanism 1; and another oil outlet of the load-sensitive reversing valve is connected with the execution mechanism 2. According to the open type variable pump system disclosed by the invention, load response requirements of two valves can be met; moreover, the structure is simple, and the manufacturing cost is low.
Owner:CHINA TIESIJU CIVIL ENG GRP CO LTD +1
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