1055results about How to "High energy storage density" patented technology

The invention provides a heating atomization electronic cigarette using capacitances to supply power, which comprises a power supply part, a cigarette body part and a hollow cigarette holder part, wherein the power supply part comprises an indicator light, a pair of electrode connection-pegs and a lead connection-peg, the indicator light is arranged at the back end of a power supply, and the electrode connection-pegs and the lead connection-peg are arranged at the front end of the power supply; the cigarette body part comprises a pair of electrode plug interfaces, a lead plug interface, a control circuit module, a heating atomization device, a liquid suction head and a nicotine reservoir, the electrode plug interfaces and the lead plug interface are arranged at the back end of a hollow cigarette stem, and the control circuit module, the heating atomization device, the liquid suction head and the nicotine reservoir are sequentially arranged in the hollow cavity of the hollow cigarette stem; a sponge body is arranged in the nicotine reservoir, and a liquid inlet is arranged on the wall of the nicotine reservoir; the two ends of the liquid suction head are respectively contacted and connected with the heating atomization device and the sponge body, and the power supply part and the cigarette body part can be separated or connected by the electrode connection-pegs, the lead connection-peg, the electrode plug interfaces and the lead plug interface in a plug-in way; and the front end of the cigarette body is in plug-in or threaded connection with the back end of the hollow cigarette holder, and the power supply, the indicator light, the control circuit module and the heating atomization device are sequentially and electrically connected.

The invention provides a composite phase-change thermal storage material. A porous material with high thermal conductivity is used as a supporting framework, and low-melting-point metal or low-melting-point metal with nano-particles is distributed in pores of the porous material, wherein melting point or solidus temperature of the low-melting-point metal is less than or equal to 80 DEG C; and thermal conductivity of the porous material is within 40-400 W / (m.K). The material provided by the invention has high equivalent thermal conductivity and high storage energy density; there is a large contact area between the liquid metal and the porous material; and the material has a wide application temperature range, has good fixability, stable physico-chemical property and good reversibility; and the problem of decreasing heat storage efficiency after multiple times of heat adsorption and release cycles is avoided.

The invention discloses a high-flexible polymer matrix composite membrane with high energy density and a preparation method thereof. The composite membrane is composed of a polymer matrix and core-shell structured nano-fibre dispersed in the polymer matrix; the core layer of the core-shell structured nano-fibre is ceramic fibre; the shell layer is an organic matter coated layer, wherein the mass percentage of the polymer matrix is 50-95%; and the mass percentage of the core-shell structured nano-fibre is 5-50%. The polymer matrix and the core-shell structured nano-fibre are composited into the membrane by adopting a solution blending and tape casting method or a bidirectional membrane pulling method, so that a flexible polymer matrix composite material having the advantages of being good in dielectric property, high in breakdown field strength and high in energy density is obtained. The dielectric constant of the composite material can be modulated to 10-40 by adjusting the content of nano ceramic fibre; simultaneously, the dielectric loss Tan delta is kept to be less than 5%, the breakdown field strength is more than 210 kV / mm, and the energy density is 2-6 kJ / L; and the composite material is a material which can be used for capacitors and high power static energy storage.

The invention relates to a nano solid-liquid phase change energy storage composite material, belonging to a phase change energy storage technology. The composite material comprises the following components in parts by weight: 88 to 98 parts of hydrated salt, 1 to 7 parts of a nano material and 1 to 5 parts of thickener. With regard to the nano solid-liquid phase change energy storage composite material, the hydrated salt is taken as a main body for phase change energy storage, thus having higher energy storage density and good heat transfer performance; the nano material is taken as nucleating agent, thereby reducing and even eliminating the degree of supercooling of the hydrated salt and having stable property and corrosion resistance; and a proper amount of the thickener is added to increase the viscosity of liquid hydrated salt, thereby preventing the phase separation of the hydrated salt and simultaneously strengthening the suspension stability of the nano material. The nano solid-liquid phase change energy storage composite material of the invention can be widely applied to the fields of solar thermal utilization, industrial waste heat recovery, air conditioning energy storage and the like.

The invention discloses a laminated-structure polymer-based dielectric energy-storage composite material and a preparation method thereof. The composite material is a laminated thin film having at least three thin film layer structures. The laminated thin film is formed by a composite membrane, composed of nanometer fibers and a polymer, and a composite membrane, composed of nanometer particles and a polymer, in an alternately laminated manner. According to the invention, a tape casting method is employed for manufacturing a single-layer composite thin film and then a laminated hot-pressing method is employed for manufacturing the laminated composite material, or a multistage tape casting method is employed for flowing out multiple thin film layers successively to obtain a laminated structure. An experimental result proves that the laminated composite material has a relative high dielectric constant, a relative low dielectric loss, relative high breakdown field intensity and a relative high energy-storage density. The laminated composite material is expected for being applied in an embedded capacitor, a static accumulator, a large-power capacitor and the like.

The invention discloses an inorganic salt phase-change cold accumulation material which is prepared from the following raw materials in parts by weight: 100 parts of a 15-25% inorganic salt solution, 1-7 parts of a nucleation agent and 2-15 parts of a thickening agent. Inorganic salt is used as an inorganic phase-change material. The inorganic salt phase-change cold accumulation material has the advantages that the phase-change latent heat is high (can reach 200-400J / g); the heat conductivity coefficient is good (when being compared with an organic phase-change energy accumulation material); no toxin exists and a pH (Potential of Hydrogen) value is neutral; and the price is low. According to the inorganic salt phase-change cold storage material disclosed by the invention, compared with the prior art (the phase-change latent heat is in a range of 100-200J / g), the inorganic salt phase-change cold accumulation material has the advantages of high energy storage density, small condensate depression and good circulatory stability.

The invention provides a polymer-based dielectric energy storage composite film material with a core-shell structure and a preparation method. The composite film material is prepared from, by mass, 10%-50% of nanometer filler with a core-shell structure, 50%-90% of polymer matrix and 0-10% of combination layer, and the nanometer filler with the core-shell structure is evenly dispersed in the polymer matrix. According to the preparation method, inorganic nanometer particles with the core-shell structure are prepared by adopting a wet chemistry method, the composite film is prepared through a flow casting method, and the prepared composite film has good dielectric property, high breakdown field strength and high energy storage density. By adjusting the thickness of the surface shell of the inorganic nanometer filler with the core-shell structure, the dielectric constant of the composite film can reach about 30, the dielectric loss is kept to below 5 percent, the breakdown field strength can reach 350 kV / mm, and the energy storage density ranges from 5 kJ / L to 10 kJ / L.

Belonging to the technical field of heat storage and transfer, the invention provides a ternary nitric acid nano-molten salt heat transfer and storage medium, a preparation method and application thereof. The ternary nitric acid nano-molten salt heat transfer and storage medium contains a ternary nitric acid molten salt system formed by potassium nitrate, sodium nitrate and sodium nitrite. The ternary nitric acid nano-molten salt heat transfer and storage medium is characterized in that it also includes metal oxide nanoparticles and / or non-metal oxide nanoparticles. The nanoparticles are dispersed into the ternary nitric acid molten salt system to undergo compounding so as to form the ternary nitric acid nano-molten salt heat transfer and storage medium. The ternary nitric acid nano-molten salt involved in the invention has a low melting point, an upper limit use temperature up to 600DEG C, good thermal stability, and high heat conductivity, thus being very suitable for the heat storage and transfer system of industrial energy storage and solar-thermal power generation.

The invention relates to a triad phase change and energy storage external thermal insulating system of an external wall and the job practice of the system. A boundary layer, an insulation layer, a crack shielding layer and a finishing coat are arranged from a basal wall to outside in sequence. The insulation layer comprises three layers, including a bonding insulation layer which is an insulation mortar layer, a stable insulation layer which is an insulation board and an active insulation layer which is a phase change and energy storage insulation mortar layer, which are bonded with each other from interior to exterior; wherein, the fine aggregate in the phase change and energy storage insulation mortar layer uses inorganic porous particle as vector, organic phase changed material is adsorbed and stored in the pore space, and the outside surface comprises the phase change and energy storage porous medium of polymer-based composite material film. The crack shielding layer comprises a crack shielding mortar with strengthened mesh inside, meanwhile, a clip is vertically penetrated into the basal wall from the outside of the strengthened mesh. The invention adopts a triad insulation structure as the structure and phase changeable energy-storage material as fixing material, which significantly improves the insulation effect of wall and is favorable for keeping stable indoor temperature and substantially saving the energy consumption of indoor air conditioner.

The invention provides a three-phase energy storage method of a solar air conditioner, and belongs to the field of solar air conditioners. An absorbing type refrigerating working pair serves as an energy storage medium, a three-phase energy storage device is connected with a generator in a solar absorbing type refrigerating system in parallel, a solar heat collecting medium provides heat for the three-phase energy storage device and the generator, surplus solar collected heat is stored in the three-phase storage device in an energy storage medium chemical potential energy mode by adjusting the flow of the heating collecting medium entering the three-phase energy storage device in real time, and good matching of a drive heat source and an air conditioner load is achieved. The three-phase energy storage method avoids the dangers brought by crystallization during serial connection of a two-phase energy storage device and a generator in the prior art, the load adjusting function of the solar air conditioner can be achieved through an energy storage system by means of gas-liquid-solid three-phase high energy storage density, and the crystallization rate of 50% enables the size of the energy storage device to be reduced by more than a half than the size of an energy storage device in a two-phase energy storage mode. The system is simple, adjustment is convenient and flexible, the amount of released cold is stable, and a common solar air conditioning system can be easily improved into an energy storage air conditioning system.

The invention relates to optical fiber and a manufacture method thereof, in particular to large-mode active optical fiber and a manufacture method thereof. The large-mode active optical fiber is formed by drawing a fiber core and a quartz glass inner cladding, a quartz glass outer cladding and a coating which are sequentially coated on the outer surface of the fiber core, wherein the fiber core is formed by depositing, melting and collapsing silicon tetrachloride doped with rare-earth ions in a quartz glass tube; the refractive index of the fiber core is a gradually changed refractive index, and a fiber core refractive index section parameter alpha is not smaller than 1 and not larger than 3; and the appearance of the quartz glass inner cladding is in a regular gengon shape. The large-mode active optical fiber has the advantages of large mode and similar single-mode output, improves the capacity of bearing laser power and the energy storage density of the active optical fiber, improves the light beam quality of output laser, solves the problem of hollow ring of the output laser, greatly improves the reliability of high-power optical fiber laser devices and the utilization rate of raw materials and reduces the manufacture cost.

The invention relates to a high energy storage density and efficiency polymer composite film and a preparation method thereof. The composite film is composed of a polyvinylidene fluoride matrix and nanofiber with a core-shell structure in the polyvinylidene fluoride matrix, a core layer of the nanofiber with the core-shell structure is ceramic fiber, and the case layer is a silica coating layer. Compared with prior art, the dielectric constant of the composite film can be adjusted by adjusting the content of ceramic fiber, simultaneously, dielectric loss tangent is less than 5%, breakdown field intensity is greater than 2000kV / cm, and energy storage density is 3-7J / cm<3>. The composite film can reduce interfacial polarization generated at a ceramic-compound interface, can increase the energy storage density of PVDF, can be used for capacitor and large power static energy storage materials, has the advantages of simple and practicable operation, low cost, convenience and rapidity, and enables large scale production.

The invention provides a molten nano-carbonate heat transfer and accumulation medium, and a preparation method and an application thereof, and belongs to the technical field of heat storage and transmission. The molten nano-carbonate heat transfer and accumulation medium contains a molten carbonate system formed by potassium carbonate, sodium carbonate, lithium carbonate and sodium chloride, nanoparticles are added into the molten carbonate system, and the nanoparticles are metal oxide and / or nonmetal oxide; and the nanoparticles are dispersed into the molten carbonate system, and the molten nano-carbonate heat transfer and accumulation medium is formed through compounding. The melting point of molten nano-carbonate is low, so the molten nano-carbonate heat transfer and accumulation medium has an upper limit use temperature of 800DEG C, has a good heat stability and a high heat conductivity, and is very suitable for the heat accumulation and transfer systems of industrial energy accumulation and solar photo-thermal power generation.

The invention provides a preparation method of an orderly porous matrix shaping composite phase change material, and belongs to the field of a composite phase change material. The preparation method comprises the following steps: firstly preparing an orderly mesoporous silica carrier, and designing, adjusting and controlling the porous-channel structure, pore size and surface property of the carrier; secondly, using a phase change core material for preparing corresponding liquor, dispersing the prepared porous carrier in prepared phase change core material liquor, adsorbing the phase change core material by using the relatively strong capillary action, surface tension and the like of the porous carrier material so as to realize the high-efficiency filling of the core material in combination of the bonding effects of functional groups on the surface of the carrier on the core material, and drying so as to obtain the composite phase change material with relatively good heat storage capacity and relatively high stability. The composite phase change material has the advantages that the carrier is large in specific surface area, high in porosity and small in pore diameter, has orderly porous-channels and strong immobilization capacity on the phase change core material and is difficult to leak, the filling quantity of the core material is large, and the composite phase change material is high in energy storage density, good in heat stability, widely applied, difficult to burn, green and safe in use.

The invention discloses a direct carbon solid oxide fuel cell, wherein an electrolyte tube support body is a tubular structure with one closed end, the tubular inner wall of the electrolyte tube support body is provided with a porous anode film and the outer wall thereof is provided with a porous cathode film; powder carbon is in the porous anode film of the electrolyte tube support body, and a gas-guide tube is sealed at an opening end of the electrolyte tube support body; the opening end of the electrolyte tube support body and the gas-guide tube are sealed through a heat-resistant sealing-in material; the material of the electrolyte tube support body is yttrium-stabilized zirconia; and a slip casting forming method or dipping method is adopted for preparation and the fuel cell is formed by sintering for 3-4h in the air at the temperature of 1, 400-1, 600 DEG C. The cell is a solid oxide fuel cell directly using carbon fuel and is of a full solid structure. Electric energy output can be obtained by heating the cell with gas discharged simultaneously. The cell has the advantages of simple structure, easy operation, high conversion efficiency and the like and has great significance to the high efficient and clean use of coal-based fuel.

The invention discloses a composite phase-change energy storage movable heat supply vehicle, which is characterized by comprising a cargo truck body comprising a thermal insulation compartment, wherein high / medium / low-temperature phase-change heat accumulators are arranged in the thermal insulation compartment; each phase-change heat accumulator comprises an enclosure; corresponding phase-change materials and heat exchangers are respectively arranged in the enclosure; each phase-change heat accumulator is fixedly connected to the frame through a base; the heat exchangers of the high / medium / low-temperature phase-change heat accumulators are sequentially connected through a connecting pipeline; the heat exchanger of the high-temperature heat accumulator is provided with an outer joint; and the heat exchanger of the low-temperature heat accumulator is provided with an outer joint. The high / medium / low-temperature phase-change heat accumulators are sequentially connected in series, when the heat is filled, the waste heat or surplus waste heat of different temperature gradients can be recovered, and when the heat is released, steam or hot water at different temperatures can be generated. The heat storage capacity of the movable heat supply device can be greatly improved, and the heat filling and releasing time is shortened.

The invention discloses an intelligent on-vehicle mobile type phase-change heat storage and supply system. The system comprises a tractor and a phase-change heat storage and exchange device, wherein the phase-change heat storage and exchange device is fixedly arranged on the tractor, and comprises a box body; a box body water temperature gauge and a phase-change heat storage material temperature gauge are arranged on the back wall of the box body; a heating pipe group, a cold water inlet pipe, a phase-change heat storage component and a hot water outlet pipe are arranged in the box body in turn from bottom to top; and a bottom water outlet of the box body and the hot water outlet pipe on the upper part of the box body are connected to a same water main through pipelines. The intelligent on-vehicle mobile type phase-change heat storage and supply system provides hot water supply and heating services for heat energy users by using residual heat or waste heat discharged in the form of steam by high energy consumption units such as heat power plants, iron and steel works and the like, and has the characteristics of simple and compact integral structure, high space utilization ratio, high energy storage density, high heat exchange efficiency, intelligent control, stable, safe and reliable operation, convenience for maintenance and operation management and the like.

The invention discloses a double-branch azobenzene / graphene energy storage material and a preparing method. Double-branch azobenzene is grafted to a reduced-oxidized graphene patch in an array mode. The composite is prepared through synthesis of double-branch azobenzene and hybrid compounding of azobenzene and graphene. The preparing method comprises the steps that firstly, 5-aminoisophthalic acid is subjected to amino protection, and then subjected to amidation with 4'-Aminoazobenzene-4-sulphonic acid, and amino-protected double-branch azobenzene is obtained; then, amino deportection is carried out; finally, prepared double-branch azobenzene and reduced-oxidized graphene are subjected to hybrid compounding through diazotization, and the end product is obtained. Compared with small azobenzene micro-molecules, according to the obtained double-branch azobenzene / graphene hybrid material, the energy value is greatly increased, the half-life period is greatly prolonged, the energy density is stabilized at 150 Wh / Kg, and the half-life period is greatly prolonged to be 1000 h or longer; besides, the double-branch azobenzene / graphene energy storage material has good thermal stability and circulation performance, and is expected to be used for solar energy heat storage.

The present invention is in the field of bioelectricity. The present invention provides energy generating systems, methods, and devices that are capable of converting chemical energy stored in sugars into useful electricity.

The related mixed super capacitor comprises: using Ta and RuO2 as the anode and cathode respective; filling H2SO4 electrolyte to form the electrolytic capacitor with anode and the electrochemical capacitor with cathode in series, respectively. This invention increases working voltage and energy storage density, overcomes defects in prior art, and can be used in the impulse power system.

The invention relates to a method for preparing a graphene and inorganic salt high-temperature phase change composite material. The method comprises the following steps of: (1) preparing graphene sol; (2) preparing an inorganic salt solution, adding a surfactant, and mixing uniformly; (3) adding the graphene sol into the inorganic salt solution, and stirring until the graphene sol and the inorganic salt solution are mixed uniformly to obtain a composite material preform; (4) putting the composite material preform into an ultra-low-temperature freezer, quickly freezing to form a solid and taking out; (5) putting the solid-state composite material preform into a vacuum freezing dispersion drying instrument and drying; and (6) taking out after the drying of the composite material preform is finished, and calcining until the moisture is completely removed to obtain a grapheme / inorganic salt phase change composite material. Compared with the prior art, the method has the advantages that: the process is reasonable, easy to operate and low in cost; and the prepared grapheme / inorganic salt phase change composite material has the advantages of high coefficient of heat conductivity, high energy storage density and the like, has excellent performance, can meet different application requirements, and is suitable for industrialized production.

The invention discloses a constant-pressure gas storage water pumping compressed gas energy storage system and an energy storage method. A high-pressure constant-pressure gas storage cabin, a water-gas jointly containing cabin and a water storage pool are arranged, stable sealing pressure is provided through the water-level difference of the high-position water storage pool and the low-position high-pressure constant-pressure gas storage cabin, the investment cost of the system is greatly reduced, the recovering age limit of the energy storage system is shortened, the operating economy of thesystem is improved, the energy loss in the throttling pressure stabilizing process is avoided, it is guaranteed that a compressor and an expansion machine run under the constant working condition, thesystem efficiency is improved, the water-gas jointly containing cabin and the water storage pool form a water pumping energy storage system, the high-pressure constant-pressure gas storage cabin anda water storage pool close to the ground form a water pumping energy storage system, that is the double water pumping energy storage systems are formed, in the energy storage process and the energy releasing process, flowing changing speeds of water in the water storage pool and water in the low-position high-pressure gas storage cabin are slow, the loss of the water in the flowing process is relatively small, and the efficiency of the water pumping energy storage system formed by the high-pressure constant-pressure gas storage cabin and the water storage pool close to the ground is improved.

The invention discloses a gravity compressed air energy storage system and a working method thereof, and belongs to the technical field of energy storage. The device comprises an air compression unit,an air expansion unit, an air storage chamber, a weight and a generator; the inlet of the air compression unit is connected with an air inlet device, the outlet of the air compression unit is connected with the inlet of the air storage chamber through an energy storage pipeline, the outlet of the air storage chamber is connected with the inlet of the air expansion unit through an energy release pipeline, and the outlet of the air expansion unit is connected with the generator; a heat exchange unit is arranged between the energy storage pipeline and the energy release pipeline; the weight is arranged on the upper part of the air storage chamber and forms a piston-cylinder system with the air storage chamber; and a sealing device is arranged between the weight and the air storage chamber. According to the invention, the compressed air energy storage mode and the gravity energy storage mode are combined, and the advantages of high density of compressed air energy storage and flexible arrangement of gravity energy storage are both achieved, so that the stability of a power grid can be guaranteed, and the functions of peak regulation, frequency modulation, peak clipping and valley filling can be achieved.

The invention relates to a medium-and-low temperature calcium cycling thermochemical energy storage device and method. The device comprises a solar heat collection device, an energy storage system and a power generation system. According to the Ca(OH)2 / CaO thermochemical energy storage system, energy storage is conducted through interconversion between thermal energy and chemical energy, when solar irradiation is sufficient, Ca(OH)2 solid particles are subjected to an endothermic decomposition reaction under the action of high-temperature water vapor generated by solar energy, and received heat is stored in decomposition products, namely CaO and H2O, in a chemical energy form; when the heat is released, CaO and H2O are subjected to a backward thermochemical reaction at normal pressure, and the chemical energy stored in CaO and H2O are inversely converted into the thermal energy and released out. The device and method are high in energy storage density, high in cycle efficiency and environmentally friendly, the structure is simple, and flexible control and application under variable working conditions are achieved.

The present invention relates to a high-voltage electric double layer capacitor (EDLC), and more particularly, to an EDLC in which a surge voltage and an operating voltage are enhanced by improving the structure of a unit cell. The EDLC according to the present invention includes a unit cell having at least three electrodes. According to a preferred embodiment of the present invention, the unit cell has a structure constructed by sequentially laminating a first insulating paper layer with a sheet of insulating paper, a first electrode layer with at least two electrodes, a second insulating paper layer with a sheet of insulating paper, and a second electrode layer with at least one electrode. In accordance with the present invention, the number of electrode-facing surfaces increases, and a surge voltage and an operating voltage increase in proportion to the increased number of the electrode-facing surfaces, resulting in a high energy storage density. Accordingly, the present invention has advantages in that an EDLC with a single cell can be applied to products, an EDLC module can be miniaturized, and there is no need for a protection circuit for maintaining voltage balance on a unit cell basis upon fabrication of the module.

A method for producing and storing hydrogen by electrochemical zinc-water is carried out by connecting electrode and zinc electrode external circuit when releasing hydrogen, water reduction reacting on electrode, releasing hydrogen, zinc oxidation reacting on zinc electrode, generating zinc oxide, supplementing water to enclosed system, connecting power supply negative electrode onto zinc electrode external circuit, connecting power supply positive electrode onto electrode external circuit, inducing DC, zinc reduction reacting on zinc electrode, reducing zinc oxide into zinc, restoring zinc electrode, oxidation reacting, generating oxygen and discharging. It is an enclosed system consisted of electrode electrolyte and zinc electrode, electrode and zinc are connected with external circuit. It is simple and can be used to provide hydrogen source and generation.

Microtubule encapsulated microcapsules of a phase-change material and preparation thereof are provided. The microcapsules of a phase-change material consist of a phase-change material, truncated microtubules, and a polymer. The truncated microtubules are formed by truncating hollow tubular natural fibers into fiber segments with a length of 0.1 mm-5 cm. The diameter of the hollow tubular natural fiber is 0.1-1000 μm. The phase-change material is encapsulated in the truncated microtubules and the truncated microtubules are covered with the polymer. The microtubules have high energy storage density due to high hollowness, and can transfer energy stably due to the closed structure, transfer heat rapidly due to the very fine micro-tubular structures, and may be used for a long term in view of the heat and chemical stability.

The invention relates to a polymer matrix composite and a preparation method thereof. The composite is a laminated film composed of a polyvinylidene difluoride matrix and a nano-fiber material dispersed in the polyvinylidene difluoride matrix. The nano-fiber material is of a core-shell structure, wherein a core layer is made of a ceramic fiber, and a shell layer is an aluminum oxide coating layer. The polymer matrix composite is prepared through the method comprises the following steps: (1) placing the ceramic fiber in mixed solution of aluminum nitrate, polyvinyl pyrrolidone and ethyl alcohol, and after uniform mixing, obtaining the nano-fiber material through sintering; (2) causing the nano-fiber material to undergo surface modification through a coupling agent, then adding the nano-fiber material into mixture of polyvinylidene difluoride and dimethylformamide, performing uniform mixing, pouring the mixture in a casting film machine to form a film through flow-casting, and performing drying to obtain the laminated film; (4) and causing the laminated film to undergo heating and heat insulation, quenching and drying, and obtaining the polymer matrix laminated film. Compared with the prior art, the polymer matrix composite has the advantages that the laminated film is high in energy density, good in energy storage efficiency, simple in preparation process and low in cost.

This invention discloses an anti-ferroelectric ceramic capacitor material and its preparation technology, which applies Sn of positive four valency to replace Zr of positive 4 valency, applies the positive 3 valency La to replace 2 valency Pb in the compound of Pb(Zr, Ti) O3 to form a multi-component solid solution with Pb vacancy. The balanced formula of the charge and the valency is: (Pb1-3 2 / 2Laz)[(Zri-ysny)1-Tix]O3, in which, x varies between 0.06`0.20, y: 0.2010.40, z varies between 0.02-0.08, or positive 2 valency Sr or Ba is added to replace 2 valency Pb in Pb(zr, Ti) O3, the formula is [(Pb1-wBw)1-3z / 2Laz][Zr1-ySny]1-xTix ]O3, B expresses Sr or Ba of 2 valency, w varies between 0.02-0.12. A conventional electronic ceramic preparation method is applied in the method.

The invention provides an organic / inorganic hybrid phase-change energy-storage material with enhanced thermal conductivity and a preparation method thereof, belonging to the energy storage technical field. The preparation method comprises the following steps: taking an inorganic compound with enhanced thermal conductivity connected by chemical bonds as a supporting material, and taking an organicphase-change energy-storage material as a working substance; hydrolyzing and condensing with an inorganic compound-sol precursor; and compounding and hybridizing with the organic phase-change material to obtain the organic / inorganic hybrid phase-change energy-storage material. The organic / inorganic hybrid phase-change energy-storage material has the advantages of good shaping property, high energy storage density and wide application prospect, thus being applicable to the fields such as energy-saving building materials, solar energy storage and utilization, industrial waste heat recovery and the like.