162results about How to "Good energy storage" patented technology

The invention discloses a silver/silicon dioxide double layer wall material-based multifunctional microcapsule phase-change material, and a preparation method thereof, and belongs to the field of microcapsule phase-change material. According to the preparation method, an organic phase change material, a silicon source, a modification agent with mercapto functional groups, an emulsifier, and a solvent are mixed and stirred so as to obtain an emulsion, and an initiator is added dropwise so as to obtain silicon dioxide signal-layer wall material microcapsules with mercapto groups; the silicon dioxide signal-layer wall material microcapsules, a silver source, a protective agent, and a reducing agent are mixed, and silver ion self assembling and reduction reaction are realized on the microcapsule surfaces under nitrogen protection so as to obtain the nano silver/silicon dioxide double layer wall material-based multifunctional microcapsule phase-change material. Particle size of the nano silver/silicon dioxide double layer wall material-based multifunctional microcapsule phase-change material ranges from 2 to 10<mu>m, possesses a double-layer structure composed of a metallic silver outer layer and an inorganic material silicon dioxide inner layer, is compact in structure, and high in thermal conductivity, possesses electrical conductivity, antibacterial properties, latent heat storage properties, and temperature regulation performance, and can be widely applied to the fields such as medicine, weaving, electron, and spaceflight.

When loading a power station in a grid without any energy, this power station must be able to cover all the short-term power requirements, and at the same time to keep the grid frequency within a permissible tolerance band. The invention specifies a method of providing this capability by means of an efficient combination system. According to the invention, the gas turbine (1) is loaded in a lower power range such that it is controlled in accordance with a predetermined load program, without having to react to load transients in the grid (50). Before the power station is connected to the grid, the heat recovery steam generator (5) is heated up as an energy store, and a steam turbine (2) is raised at least to its rated rotation speed, with the steam control valves (9, 15) being highly restricted. The steam turbine reacts in the event of short-term load requirements from the grid, which cannot be covered by the gas turbine.

The present invention relates to a compact omnidirectional energy harvesting system consisting of a semi-spherical (geodesic dome) shaped photovoltaic collector- and vertical-axis wind turbine, equipped with a power management system to convert, optimize and store the resulting solar, wind and auxiliary energy into electrical energy. The present invention has auxiliary energy capture ports to harvest ambient energies such as thermoelectric, piezoelectric, electromechanical, hydroelectric, rectifying antenna, electrostatic and electrochemical through plug-in modules. The resulting combined electrical energy, from all potential sources, is stored in rechargeable batteries or capacitors for eventual consumption to power lights, sensors, beacons, transmitters, cameras, wireless communications, or to provide a power supply in remote locations.

The invention relates to high-thermal-conductivity composite phase change energy storage microcapsules used at normal temperature and a preparation method thereof. The high-thermal-conductivity composite phase change energy storage microcapsules comprise organic phase change capsule cores and inorganic high-thermal-conductivity capsule walls, wherein the organic phase change capsule cores are prepared from two or more than two of alkane, fatty acids, polyether and derivatives of the polyether. The preparation method comprises the steps of: (1) preparing a capsule core material with an adjustable phase-transition temperature, (2) preparing an O/W (oil-in-water) emulsion; and (3) preparing the phase change energy storage microcapsules: dropwise adding tetraethylortho silicate to the emulsion, stirring for 1-6 hours at a speed of 300-1000rpm, aging and drying, thus obtaining the stable phase change energy storage microcapsules. The high-thermal-conductivity composite phase change energy storage microcapsules have the characteristics of high energy storage, high thermal conductivity, stable performance, designable and adjustable phase change temperature, suitability for various processing and the like and can be popularized and applied in industries such as energy-saving walls of buildings, commodity storage and transportation, medical equipment, food packaging and thermoregulation clothes.

The invention relates to phase-change roof self-insulation ceramsite concrete, and belongs to the technical field of building materials. The problems that existing ceramsite concrete is low in strength property and poor in energy storage effect can be solved. The phase-change roof self-insulation ceramsite concrete comprises, by mass, 30%-40% of cement, 20%-35% of pottery sand, 8.0%-13% of phase-change material, 10%-20% of ceramsite and 5.0%-8.0% of coal ash. The phase-change material uses the ceramsite as a loaded carrier. According to the concrete, the phase-change material is added and loaded onto the ceramsite, hence, a good energy storage effect can be achieved, and a large amount of heat can be stored or released when phase change happens; the phase-change latent heat range is wide, indoor temperature fluctuation is reduced, and cost is lowered; meanwhile, the strength property of the concrete can be guaranteed.

The invention discloses a preparation method of a lignin-based flexible nano carbon fiber self-supporting electrode material. The preparation method comprises the steps that 1), carrier polymer and lignin are sequentially dissolved in a solvent, and a precursor solution is obtained, wherein the mass ratio of the lignin to the carrier polymer is 7:3-9:1, and the mass ratio concentration of the precursor solution is 20-35%; 2), a precursor composite nanofiber film is obtained by the precursor solution through electrostatic spinning technology; and 3), pre-oxidation treatment in the air atmosphere and carbonization treatment in the inert atmosphere are successively carried out on the composite nanofiber film, and the flexible nano carbon fiber film is obtained. The prepared nano carbon fiberhas the large specific surface area and good flexibility, is free of adding a binder and can be directly used as an independent electrode, and the internal resistance of the electrode is reduced; anda high specific capacitance can still be obtained without adding a conductive material, and the energy storage property is excellent.

The process of preparing nanometer capsule phase change material emulsion includes adding the oil phase liquid compounded with olefin monomer, hydrophilic monomer, alkane, initiator and n-lauryl mercaptan into the mixed liquid of emulsifier and deionized water via stirring and ultrasonic dispersing to obtain micro emulsion, introducing nitrogen to the micro emulsion system to eliminate oxygen via stirring, reflux condensing, heating to 65 deg.c and constant temperature polymerization reaction for 5 hr, and cooling naturally to room temperature to obtain the nanometer capsule phase change material emulsion. Thus prepared nanometer capsule phase change material emulsion has nanometer size, stable performance, great phase change enthalpy and wide application in latent heat functional hot fluid, heat accumulating and temperature regulating fabric, energy saving building wall and other fields.

The invention discloses a CVT (Continuously Variable Transmission)-based coaxial parallel hybrid power gas heat pump system, and relates to a novel air conditioning system for combining a CVT device and a hybrid power gas heat pump system into an organic whole body. The system comprises a CVT device, an engine, a motor, a lithium iron phosphate battery pack, a compressor, an evaporator, a condenser, a waste heat recovery system and the like. The power of the engine and the motor is coupled and then transferred to a drive shaft through a hydraulic torque converter of the CVT, a metal belt type continuously variable transmission mechanism and a main speed reducer to drive the compressor in the heat pump system to operate. The transmission ratio in the drive system is adjusted by controlling hydraulic pressure in driving and driven belt wheel cylinders so as to change working radius on driving and driven belt wheels, and continuously variable transmission can be realized in an equivalent wide range, so that the optimal matching of the transmission system and the working condition of the engine is obtained, and the gas economy of the entire heat pump system is improved.

The invention discloses a wind power energy storage generating set. An H-shaped fan blade is arranged at the top of a vertical shaft; a horizontal bevel gear in a gearbox at the lower part of the vertical shaft is meshed with a vertical bevel gear; a radial thrust bearing is arranged at the lower part of the horizontal bevel gear; an alignment bearing is arranged at the upper part of the gearbox; a brake apparatus and a velometer are arranged at the top of the gearbox; a ratchet mechanism and a left active bearing assembly are arranged at the left end of a driving shaft; the left end of the driving shaft is connected with the vertical bevel gear; a driving gear I, a driving gear II, a driving gear III and a driving gear n are sequentially arranged in the middle of the driving shaft; the right end of the driving shaft is supported by a right active bearing assembly; the driving gear I drives an energy storage gear I to rotate and store energy; an energy storage gear II is in an energy storage stage; an energy storage gear III drives a driven gear III to rotate so as to drive a driven shaft to transmit power to a damping device and a transmission, so that the generating set is driven to generate electricity, and the left end of the driven shaft is supported by a driven bearing assembly. According to the invention, a multistage energy storage spring made of high-quality spring steel is adopted, is high in service life and changes wind power intermittent power generation to energy, the energy is stored for continuous power generation, and the power generation quality is high.

The invention relates to a building material, and especially relates to a building material for the outer thermal insulation and the inner thermal insulation of an exterior wall and the inner thermal insulation of an interior wall, wherein the building material has the phase-transition energy-storage functions. The building material comprises the following components, by weight, 6 parts of one or more of perlite, vitreous bead or volcano zeolite, 0.1-10 parts of a phase transition material, 5-30 parts of cement, glue powder, a carboxymethyl cellulose, and one or more of an alumina fiber, and an alumina silicate fiber or ground silica, wherein the weight of the glue powder accounts for 0.05-0.5% of the total weight of the thermal building material, the weight of the carboxymethyl cellulose accounts for 0.05-0.25% of the total weight of the thermal building material, and the weight of the one or more of the alumina fiber, the alumina silicate fiber or the ground silica accounts for 1-20% of the total weight of the thermal building material. The production cost of the material of the invention is low, and the material has the efficacies of energy saving and environmental protection by using the solar energy accumulation, so the material has a very substantial market prospect.

The invention provides a scissors-type simple lifting utility garage comprising a base, hydraulic cylinders, scissors supports, a carrying plate, and a mechanical safety hook interlocking device. The hydraulic cylinders and the scissors supports are arranged on two sides of the base. Each scissors support comprises a first pillar and a second pillar; the pillars are movably connected in the middle to form an X shape; one end of the second pillar is movably connected to the carrying plate through a roller; the other end of the second pillar is provided with a third roller; the rollers are arranged in rail channels. The scissors-type simple lifting utility garage occupies small area, multiplied cars can be parked on the scissors-type simple lifting utility garage and are convenient and safe to access, the parking difficult is conveniently overcome, an ascent detection switch and a descent detection switch ensure that the cars are safe and reliable to access; by adding the mechanical safety hook interlocking device, the whole frame is prevented from slipping down, namely the carrying plate never descends in normal conditions, and the cars can be safely and reliably stored on the carrying plate.

The invention discloses an electric automobile with liquid air as a power storage medium. The electric automobile comprises an automobile shell and an automobile driving device. An air storage pot, a pneumatic motor, an electric generator, a storage battery, a driving motor, an electric automobile control system and a residual air jetting discharge power-assisting device are arranged in the automobile shell. The air storage pot is connected with the pneumatic motor through an air flow speed control device. The pneumatic motor is connected with the electric generator. The storage battery is connected with the driving motor, and the driving motor is connected with the electric automobile control system. According to the electric automobile, the structure is simple, energy storage and electric generation are achieved in a physical mode, liquid air is gasified into gas to push the pneumatic motor, the pneumatic motor drives the electric generator to generate electricity, the electricity is stored in the storage battery of the automobile to drive the driving motor to rotate, the problems that the electric automobile is high in battery manufacturing price and low in charging speed, pollutes environment and the like are effectively solved, and then the electric automobile has the advantages that energy storage is clean, convenient and safe.

The invention discloses a second monomer of an acrylonitrile copolymer solid-solid phase change material and a preparation method of the second monomer, a method for preparing the acrylonitrile copolymer solid-solid phase change material from the second monomer, and a method for preparing a thermo-regulated fiber/film from the prepared phase change material. The second monomer is prepared from polyoxyethylene lauryl ether reacting with ester monomers containing unsaturated double bonds in the presence of a catalyst and a polymerization inhibitor. The acrylonitrile copolymer solid-solid phase change material is prepared from the second monomer, the melting point of the material can be lower than the decomposition temperature, and the acrylonitrile copolymer solid-solid phase change material is applicable to melt spinning. The phase change material is spun and filmed under the melting condition after being mixed with a thermal stabilizer, so as to prepare the fiber/film with good energy storage and temperature adjustment performances.

The invention discloses a solar dehumidifying air conditioner system with an energy storage effect. The solar dehumidifying air conditioner system comprises a treatment air passage system, a regeneration air passage system and a solid dehumidifier energy storage bed, wherein the treatment air passage system and the regeneration air passage system are connected with each other through the solid dehumidifier energy storage bed. The solar dehumidifying air conditioner system has the advantages that the lower humidity and temperature can be realized under standard working conditions in summer, so the comfort requirement of an air conditioner is met; the humidifying and heating requirements can be realized by increasing the moisture content in the air under standard working conditions in winter; the requirements by insufficient radiation in rainy days and at night are met by the excessive energy stored in the solid dehumidifier energy storage bed in transition seasons; and the structure is simple, the easiness in control is realized, and the investment cost of equipment is low.

The invention discloses a heat and electricity dual-purpose system based on hydrous salt chemical heat storage and a using method thereof. The system comprises a heat storage system, a first power generation system and a heat supply system. The heat storage system comprises a solar air heat collector, a reactor, a first heat exchanger, a gas-liquid separator, a heat preserving water tank and a flash chamber. The first power generation system comprises a turbine motor, a generator and a condenser. The heat supply system comprises a heat exchange coiler arranged in the reactor, a second heat exchanger and a water storing tank. According to the dual-purpose system, latent heat of steam condensing can be fully utilized through the first power generation system, the benefit is increased, and by selecting a suitable energy storing material and conforming to the actual operation situation, feasibility of work is improved. In addition, power generation and heat supply are brought into the whole system and used in parallel, and the system can be used for supplying electricity or heat according to needs during different hours.

The invention relates to a chemical method for preparing hydrous salt phase change material with a special micro-nano-structure. In the invention, it takes the nature of its various biological systems or related artificial products as template, and makes the template to adsorb a large number of hydrated salt phase change material. Then, it removes the template through calcinations to get the micro-nano phase change material with the morphology of biological genetic. Then, it maintains its special structure, and makes the phase change material re-obtain enough crystallization water in the low temperature, and microencapsulates the hydrous salt phase change material with the complexes of polymers, carbon nano-tubes and nano-metal with a better thermal conductivity as the coating material.

The invention relates to a method for producing a moderate-temperature phase-change energy-storage material. The moderate-temperature phase-change energy-storage material is composed of barium hydroxide, a nucleating agent, a thickening agent and water. The method comprises the following steps: 1) heating barium hydroxide while stirring to a certain temperature, fusing barium hydroxide at constant temperature; 2) adding the nucleating agent, heating and stirring the materials for a while, uniformly mixing the nucleating agent and barium hydroxide; 3) adding the thickening agent and water, heating and stirring the materials for a while, uniformly mixing the materials, wherein, no layering phenomenon is generated; and 4) putting a mixture obtained in the step 3) in a container for being sealed. The produced phase-change energy-storage material has the advantages of large phase-change potential heat value, stable cycle process, small supercooling degree, long material life, and simple preparation method.

The invention discloses a green and environmentally-friendly building material and a preparation method thereof. The building material is prepared from, by weight, 90-110 parts of foamable thermosetting phenolic resin, 100-120 parts of thermosetting linear urea-formaldehyde resin, 3-5 parts of titanium dioxide powder, 90-95 parts of Tween, 20-25 parts of a modified acrylic emulsion, a filler, a cross-linking agent, and 10-15 parts of a composite assistant. The foamable thermosetting phenolic resin, the thermosetting linear urea-formaldehyde resin and modified acrylate are compounded, so the product combines the advantages of above three components, and is a novel building material with the advantages of smooth surface, good flame retardation and heat insulation properties, good strength and high cost performance.

The invention discloses an Yb, Gd co-doped barium fluoride crystal and a preparation method thereof. The molecular formula of the crystal is YbxGdyBaF2+3x+3y, wherein x is the doping density of Yb3+ and is equal to 1-10mol percent; and y is the doping density of Gd3+, and is equal to 10-30mol percent. The crystal is grown by a melt method. The crystal has large absorption and emission section, long fluorescence lifetime and high heat conductivity, is a laser gain material for high-efficiency, high-frequency and high-power lasers, and can be used for laser diode pumped high-frequency, high-power tunable or ultrashort-pulse lasers.

The present invention relates to a thermal energy storage system comprising an energy storage (2) having a vertical temperature gradient and an internal combined heating and cooling machine (15). The internal combined heating and cooling machine (15) is adapted for retrieving energy having a first temperature from the energy storage, while simultaneously returning heated energy having a second higher temperature and cooled energy having a third lower temperature. The invention also relates to a method for using the thermal energy storage system.

The invention discloses a preparation technology applied to produce a soft-shell lithium battery. The preparation method comprises: 1) preparing cathode and anode formula materials; 2) performing material mixing and slurry dragging for cathode and anode, concretely, a) performing cathode material mixing and slurry dragging, and b) performing anode material mixing and slurry dragging, further concretely, in the a), performing pretreatment on cathode ingredients, performing ball milling on the cathode ingredients, preparing a slurry from the cathode ingredients, and performing slurry dragging operation on the cathode ingredients, and in the b), performing pretreatment on anode ingredients, performing ball milling on anode ingredients, preparing a slurry from anode ingredients, and performing slurry dragging operation on anode ingredients; preparing the battery, concretely, preparing a cathode sheet from the cathode ingredients subjected to slurry dragging, preparing an anode sheet from the anode ingredients, overlaying the cathode sheet and the anode sheet according to the internal structure of the lithium battery, and then performing packaging by utilizing an aluminium-plastic membrane or an aluminium-plastic composite membrane as a shell, and then winding an electric-leakage protective layer around the polar ends and the shell of the lithium battery. The lithium battery manufactured by employing the new technological process is capable of effectively avoiding electric leakage phenomenon caused by heating, thereby avoiding similar accidents during usage, and the whole technological process is scientific, reasonable and high in handleability, and can be easily implanted into industrial assembly line operation.

The invention provides a preparation method of a kitchen waste based composite defect type conductive porous carbon material. The moisture contained by kitchen waste per se is used as a freezing and thawing medium; the water does not need to be added; the thermal degradation performance of the kitchen waste is effectively improved; the heat energy consumption of the subsequent process is reduced;the rich protein of the kitchen waste per se is used as N and S sources; the use of toxic heteroatom precursors such as phosphonitrile or thiourea can be avoided; inorganic salts such as sodium chloride and potassium chloride contained by the kitchen waste per se are used as in-situ catalysts; the high-temperature treatment is not needed; the product graphitization degree and conduction performance can be improved; the prepared porous carbon has excellent conductivity; when the prepared porous carbon is used as a super capacitor energy storage element, good energy storage effects can be obtained without the addition of any conducting agents. The urban organic waste of kitchen waste is used as raw materials; the price of the raw materials is low; the production cost is low; the preparationprocess is simple; wide market prospects and environment benefits are realized; good prospects are provided for the high-value conversion application of the kitchen waste.

The invention discloses a method for preparing pure-phase MXene by using a plasma etching technology. According to the invention, Mo2Ca2C is used as a precursor, conventional plasma etching equipmentis used, CF4/Ar gas is used for replacing a strongly-corrosive HF solution as an etching agent, and a plasma etching technology is conuducted to prepare the pure-phase MXene; the etching agent is excited into a fluorine-containing plasma air mass under the action of radio frequency, so on one hand, the F element with selective etching capability is reserved, and on the other end, interference of an O element source and an H element source is eliminated and the purity of the etching agent is kept to the greatest extent; furthermore, inert gas Ar contained in the etching agent forms the chargedplasma air mass with relatively large molecular weight under the action of radio frequency, and an electric field generated by bias voltage of an etching cavity is used for accelerating the moving speed of an Ar charged group and generating a bombardment effect so as to strip a multilayer MXene material generated by etching into a single-layer MXene material; and compared with a traditional liquid-phase ultrasonic stripping method, adsorption interference of impurity groups in a liquid phase is eliminated in the invention.