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256 results about "Solar light" patented technology

Sulfonated modified COF-based hydrogel based on TPAD skeleton and preparation method and application thereof

The invention provides a sulfonated modified COF-based hydrogel based on a TPAD skeleton, and a preparation method and application thereof, and belongs to the field of water treatment. The preparation method comprises the following steps: S1, synthesizing a TPAD-NHBoc amino monomer by using reagents such as 1, 4, 5, 8-tetrachloroanthraquinone and the like; s2, sequentially adding a TPAD-NHBoc amino monomer, a Dha aldehyde monomer, dioxane and trifluoroacetic acid into a glass tube according to a certain proportion, carrying out ultrasonic treatment, stirring, putting into a reaction kettle, and reacting at 115-125 DEG C for 96-120 hours; s3, after the reaction is finished and cooling is performed, carefully taking out the blocky gel from the glass tube, respectively immersing the blocky gel into dioxane and DMF, and repeatedly replacing the solvent for washing; s4, washing the gel, soaking the washed gel in a DMF solution containing 1, 3-propane sultone, and carrying out a reaction at 75-85 DEG C for 16-20 h to obtain sulfonated modified gel; s5, the obtained sulfonated modified COF-based gel is soaked in DMF, acetone, methanol and water for multiple times of soaking and washing, and the hydrogel is obtained. The sulfonated modified hydrogel based on the TPAD skeleton has excellent solar photo-thermal water evaporation performance.
Owner:HAINAN UNIV

light bulbs

The present invention relates to a solar light comprising a base body and an attachment element that can be placed on or inserted into the base body, wherein the attachment element comprises a light source and is movable relative to the base body. According to the invention, the attachment element comprises a magnetic switch, and the magnetic switch can be actuated by a magnet arranged on the base body by rotating the attachment element relative to the base body about a first axis, thereby moving the light source from an off position to an on position.
Owner:SNGLS HLDG & MANAGEMENT OÜ

Solar concentrating distilled water device

The utility model relates to a solar concentrating distilled water device, which comprises a condensation cover, a water inlet, a water outlet and a water outlet, the condensation cover is of a double-layer structure comprising an inner layer and an outer layer, a collecting tank is arranged at the bottom of the condensation cover, and a water outlet is arranged on the outer wall of the collecting tank; a distillation unit; a solar cooker; and a connection unit. The solar concentrating distilled water device disclosed by the utility model adopts a focusing distillation method, can conveniently and quickly purify water, and is high in efficiency, low in cost and suitable for wide popularization.
Owner:赵田圆

Integrated solar light condensation and heat collection shutter and working method thereof

The invention discloses an integrated solar light-gathering and heat-collecting shutter and a working method thereof.The shutter comprises a plurality of light-gathering and heat-collecting modules arranged in parallel and a driving assembly, each light-gathering and heat-collecting module comprises a light-gathering and heat-collecting arc-shaped plate with the section in a parabola shape, a light-shading coating is arranged on one side of the outer side face of each light-gathering and heat-collecting arc-shaped plate, and a working medium pipeline is fixed to the top point of each light-gathering and heat-collecting arc-shaped plate; hard sleeves are fixed to the two ends of each light condensation and heat collection arc-shaped plate, each hard sleeve is provided with a first connecting point and a second connecting point, each first connecting point is rotationally connected with the window frame, and a liquid heat collection working medium is introduced into the working medium pipeline which is connected with the outer circulation pipeline. The driving assembly comprises a crank, a first connecting rod and a second connecting rod, the crank is rotationally connected with the first connecting rod through a rotating joint, the first connecting rod is connected with the first rotating piece of the second connecting rod through a first rotating joint, and the second connecting point of each hard sleeve is rotationally connected with the second rotating piece of the second connecting rod through a second rotating joint. Light energy is converted into heat energy through reflection of the light condensation and heat collection module.
Owner:TIANJIN UNIV

Solar light reflecting elastic post (SLRP-3)

ActiveCN309692406SSolar lightPedestrian
1. The name of the design product: solar light reflecting elastic column (SLRP-3). 2. The use of the design product: the design is a road traffic safety equipment, which can be used as a solar traffic safety warning column, installed on the ground or traffic facilities in roads, tunnels, bridges, squares, etc., to provide light reflecting warning or light reflecting prompt function for vehicles and pedestrians. 3. The design points of the design product: the shape, pattern and their combination of the product, and the core of the design is the design of the chassis. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.
Owner:ZHEJIANG MINGHUI LUMINESCENCE TECH CO LTD

Photovoltaic test system and method with double closed-loop light field monitoring and calibration

The invention relates to a photovoltaic test system and method with double closed-loop light field monitoring and calibration, and the system comprises a frame assembly which comprises an upper-layer plate, a lower-layer plate, and a plurality of vertical columns for connecting the upper-layer plate and the lower-layer plate; the light source module is mounted on the upper-layer plate, the light emitting direction of the light source module faces the lower-layer plate, and the light source module comprises a sunlight simulation lamp assembly and a driving power supply for supplying power to the sunlight simulation lamp assembly; the sliding test mechanism comprises a guide rail arranged on the lower layer plate, a bearing table in sliding fit with the guide rail, and a sample table used for fixing a photovoltaic device to be tested, and the sample table is connected with the bearing table; the testing position is located under the light source module, and the feeding and discharging position is located on the outer side of the frame assembly. The photovoltaic test system not only has on-line monitoring and closed-loop calibration capabilities of light field uniformity, but also can guide a user to quickly complete calibration through clear state indication.
Owner:ZHONGBU QINGTIAN NEW ENERGY (HUBEI) CO LTD

Recyclable high-enthalpy-value solid-solid phase change material and preparation method thereof

The invention discloses a recoverable high-enthalpy-value solid-solid phase change material and a preparation method thereof. Solid phase constraint of a liquid phase change material is achieved through a topological entanglement effect generated by a hydrogen bond network and polymer macromolecules. The coupling effect of the two limits the movement between low-molecular-weight phase change material molecules at the phase change temperature, and high-temperature solid-solid phase transformation is achieved. The solid-solid phase change material prepared by the method has a high enthalpy value and also has recoverability. In addition, due to the excellent light absorption capacity of the graphene oxide sheet, the graphene oxide sheet has a potential excellent function in the aspect of solar photo-thermal conversion.
Owner:QINGDAO UNIV OF TECH

An antifouling coating material, an antifouling coating, and a method for producing and using the same

The application provides an antifouling coating material, an antifouling coating and a preparation method and application thereof. The antifouling coating prepared from the antifouling coating material provided by the application has a water contact angle of 105.8-161.5 degrees and a sliding angle of 1.5-24.1 degrees in a wavelength range of 200-2500 nm; a light absorption rate of 65.7-98.3 %; and a maximum light-heat surface temperature of 45.1-82.8 DEG C under 1 solar light intensity. Moreover, the antifouling coating has synergistic antifouling of superhydrophobic low adhesion and biological repellence, wide-spectrum high-efficiency and controllable light-heat antifouling capacity, all-weather antifouling capacity facing the air-water interface of the sea, and excellent mechanical durability and light-heat / wetting performance stability.
Owner:ZHEJIANG OCEAN UNIV

A zero-carbon thermal management device based on solar photothermal and evaporative cooling

The application discloses a zero-carbon heat management device based on solar light heat and evaporative cooling, and relates to the technical field of zero-carbon heat management devices.The device comprises a water collecting and distributing mechanism, a base material bearing mechanism, an automatic feeding and discharging mechanism and an electric control energy storage module.The water collecting and distributing mechanism is located at the uppermost part of the device and is used for collecting and spraying rainwater;the base material bearing mechanism is arranged below the water collecting and distributing mechanism and is used for fixing the base material and realizing rotation and lifting adjustment of the position of the base material;the automatic feeding and discharging mechanism is installed around the base material bearing mechanism and is used for conveying, installing and dismounting the base material;the electric control energy storage module is located at one side of the zero-carbon heat management device and is used for storing solar energy and driving and controlling automatic operation of each mechanism of the zero-carbon heat management device.The device is green, environmentally friendly, low in cost, exquisite in structure, convenient to assemble and disassemble, self-adaptable to switching between heating and refrigeration modes and capable of intelligently managing heat.
Owner:QINGDAO DAAO TECHNOLOGY CO LTD

Heat conditioning through deflection / reflection / absorption of electromagnetic waves

A system for heat conditioning an area of Earth includes an Earth-orbiting satellite. The satellite includes a power supply, a precursor gas supply, and one or more double helicon plasma beam generators coupled to the power supply and the gas supply and configured to generate a plasma and further configured with a magnetic nozzle to maintain a shape of the beam; therefore, the top surface area of the beam is maximized. The generated plasma provides enhanced electromagnetic waves absorption, reflection, and deflection of incoming solar light and electromagnetic radiation, thereby reducing the heat striking the area of the Earth.
Owner:KADDOURA ALI

Solar high-multiple light supply heat Fe3O4 reduced iron powder fuel production system

A solar high-multiple light condensation heat supply Fe3O4 reduced iron powder fuel production system, including the supply device of the carbon powder and Fe3O4 powder raw material that has been stirred fully, the reaction device of the high-density sunlight energy of the absorption solar light condenser collection and the high-temperature chemical reaction of fine particle or powder raw material, the cooling device of the output reaction product of receiving reaction device and carries out cooling, the sorting device of the product of receiving cooling device in cooling and carries out sorting, the gas collection device for collecting gas product in reaction device and cooling device;The outer fixed cylinder and rotating cylinder of light transmission in reaction device form annular cavity, and the spiral boss on the surface of rotating cylinder in annular cavity carries out controllable speed transport to reaction raw material, maximizes absorption light energy and completes reduction reaction;The reduced product after cooling adopts magnetic separation with magnetic medium and non-magnetic carbon powder, and the application has the advantages of high-efficiency heat absorption of reactant, controllable transport, full recycling of solar heat energy and the like, and can realize efficient reaction and simple structure.
Owner:HUNAN UNIV OF SCI & TECH

Bentonite-regulated solar-driven light-heat-electricity conversion composite phase change material, and preparation method and application thereof

The application discloses bentonite-regulated solar-driven light-heat-electricity conversion composite phase change material and a preparation method and application thereof, and relates to the technical field of phase change energy storage materials and solar energy utilization. The material is prepared by using bacterial cellulose aerogel as a porous framework, fixing MXene and TiN nanoparticles on the framework through cross-linking and gradient assembly to construct a light-heat-heat conduction network, dispersing bentonite intercalation in a polyethylene glycol matrix to form a composite phase change material, and then encapsulating the composite phase change material in the multistage pores of the aerogel. The surface of the framework has a hydrophobic modification layer. The preparation method comprises the steps of etching, aerogel framework construction, vacuum impregnation encapsulation and hydrophobic modification. The material has high light-heat conversion efficiency, high heat conduction promotion rate, excellent leakage prevention performance, fast crystallization characteristics and super-hydrophobic self-cleaning ability. When the material is combined with a thermoelectric power sheet, a solar light-heat-electricity conversion system can be constructed, and the material has a wide application prospect in the field of renewable energy.
Owner:GUANGXI UNIV

Device for extracting water from air in plateau dry area

The invention discloses a device for extracting water from air in a plateau dry area, and relates to the technical field of extracting water from air. The partition plate is arranged in the shell and divides the interior of the shell into a desorption chamber and a water collection chamber; the adsorption bed layer is arranged in the water collection chamber and is used for adsorbing moisture in the air; the solar light-transmitting cover plate covers the top of the shell; the interior of the shell is divided into a desorption chamber and a water collection chamber through the partition plate, the adsorption bed layer is arranged in the water collection chamber and used for adsorbing moisture in air, the solar heat collection plate is arranged in the desorption chamber and used for absorbing solar radiation energy, and the heat conduction fins are connected with the solar heat collection plate and the adsorption bed layer and used for transferring heat. The radiation refrigeration plate is arranged on the outer wall of the shell and connected with the condensation cone for providing a cold source, the condensation cone is arranged in the desorption cavity for condensing water vapor, and the water collection tank is arranged below the condensation cone and communicated with the water collection cavity through a water guide pipe for collecting and conveying condensate water.
Owner:吴伟雄

Thermochromic hydrogel shielding ultraviolet and near infrared light and preparation method and application thereof

PendingCN122445019AInfraredSolar light
The application belongs to the technical field of preparation of thermochromic hydrogel, and discloses a thermochromic hydrogel for shielding ultraviolet and near-infrared light and a preparation method and application thereof. The thermochromic hydrogel is prepared by one-pot low-temperature crosslinking with N-isopropyl acrylamide as a temperature-sensitive matrix, hydroxypropyl methyl cellulose as a modified component, titanium dioxide and cesium tungsten bronze as functional fillers, N, N-methylene bisacrylamide as a crosslinking agent, ammonium persulfate and sodium bisulfite as an initiation system. The thermochromic hydrogel realizes full-band regulation of sunlight by using the ultraviolet shielding of titanium dioxide and the near-infrared heat insulation performance of cesium tungsten bronze. The prepared hydrogel has the characteristics of high visible light transmittance, excellent solar light modulation efficiency and suitable critical transition temperature, and makes up for the defect of insufficient spectral shielding capacity of traditional single PNIPAM hydrogel. The process is mild and simple, the raw materials are cheap and easy to obtain, and the hydrogel is easy to form a film in a large area and to be prepared on a large scale, so the hydrogel can be widely applied to the fields of energy-saving and light-regulating such as intelligent windows of buildings, vehicle-mounted light-regulating glass and the like.
Owner:BOHAI UNIV

Method for preparing m-phase vo2 film by photo-assisted spray pyrolysis and m-phase vo2 film prepared by the method

The application provides a method for preparing an M-phase VO2 film by a light-assisted spray pyrolysis method and the M-phase VO2 film prepared by the method, and belongs to the field of nanometer materials. The method comprises the following steps: (1) preparing a vanadium dioxide spraying liquid: adding vanadium oxyacetonylacetone into anhydrous methanol, stirring and aging to obtain a vanadium dioxide spraying liquid with ultraviolet photosensitive properties; (2) preparing a vanadium dioxide film: introducing the vanadium dioxide spraying liquid in step (1) into an atomizer and spraying onto a substrate coated with a TiO2 anatase phase under ultraviolet light irradiation to obtain the M-phase VO2 film. The method enables vanadium ions to be chelated in the sol by stirring, and the vanadium dioxide spraying liquid has ultraviolet photosensitive properties. The purity of the VO2(M) film is improved by introducing a titanium dioxide transition layer, and the microstructure of the VO2(M) film is improved by ultraviolet light irradiation, thereby improving the visual transmittance and solar light regulation rate of the VO2(M) film.
Owner:PANZHIHUA UNIV

Luminescent solar concentrator enhanced panels (LSC) through concentration and funnel reflection

The invention involves the development of an enhanced luminescent concentrator solar panel using a specific method to capture and concentrate the maximum percentage of solar energy. The solution is a luminescent solar panel that absorbs all incident energy without dispersion on the opposite side (no semi-transparency). This enhanced luminescent solar concentrator operates with sunlight and is made up of a transparent material, a specific distribution of composite pigment consisting of diffusive and reflective elements with an intermediate layer reflecting solar light, photovoltaic strips positioned at the lateral edges of the transparent portion, and a reflective base. Solar light incident on the panel is diffused by the pigment and trapped in the underlying part through a funnel-shaped region and the reflection between the intermediate layer and the lower reflective base of the panel. The trapped light remains concentrated and is transferred to the photovoltaic elements through reflection. This invention is innovative because it allows for the creation of an enhanced luminescent concentrator solar panel (LSC) that absorbs the majority of incident energy, reducing losses. This application is highly effective as it can be used as a coating for opaque surfaces (non-glass) in green energy generation. These results are achieved without the need for expensive materials or equipment, thanks to the synergies among the constituent parts, making it ready for immediate industrialization.
Owner:ROMAGNOLI CLAUDIO

Dimming photovoltaic glass for transparent enclosure structure and preparation method of dimming photovoltaic glass

The invention discloses dimming photovoltaic glass for a transparent enclosure structure and a preparation method thereof, and the dimming photovoltaic glass for the transparent enclosure structure comprises a photovoltaic cell part and an electrochromic part which are deposited and stacked on the upper surface and the lower surface of the same glass substrate by functional film layers respectively, the photovoltaic cell part comprises a capacity area and a light-transmitting area which are arranged at an interval, sunlight enters from the photovoltaic cell part, one part of the sunlight is absorbed by the capacity area to generate electric energy, and the other part of the sunlight penetrates through the electrochromic part through the light-transmitting area to enter a room; and electric energy generated by the photovoltaic cell part is connected with an electrode lead of the electrochromic part through a bus bar via an electric control component. The dimming photovoltaic glass for the transparent enclosure structure is simple in structure, products with different light-transmitting areas can be customized according to needs, the total thickness is not larger than 3.5 mm, and the dimming photovoltaic glass is light in weight, convenient to install, firm in structure, stable, durable, convenient to use and maintain, excellent in heat stability and high in adaptability.
Owner:HENAN UNIV OF URBAN CONSTR

Solar multistage latent heat recovery type sludge drying system and method

ActiveCN120081580BSolar dryingSolar light
The application discloses a solar multistage latent heat recovery type sludge drying system and method, and relates to the technical field of sludge drying, in particular to the solar multistage latent heat recovery type sludge drying system and method. The system comprises a solar light condensing device, a solar heat storage device and a sludge drying device. The sludge drying device comprises multiple sludge drying spaces and multiple steam flow spaces. The sludge drying spaces and the steam flow spaces are sequentially and spacedly arranged from top to bottom. The steam flow space is separated from the sludge drying space above the steam flow space by a supporting purification layer. The steam flow space is separated from the sludge drying space below the steam flow space by a hydrophilic heat conduction layer and a hydrophobic heat conduction layer. A sunlight absorption layer and a transparent heat insulation layer are sequentially arranged above the uppermost sludge drying space. The application can improve the solar energy utilization efficiency of the system, reduce energy consumption and environmental impact, and solve the problems of high energy consumption, complex operation, low solar drying technology efficiency, secondary pollution and large occupied area in the sludge drying process.
Owner:SHANDONG UNIV

Suspension type solar light-gathering heating pipe section system

The clean development mechanism requires to replace fossil fuel with clean energy as much as possible. According to an existing solar heating pipe heat collecting device, a heating pipe is fixed, and a collecting lens is generally arranged at a small corner of the ground, so that design and construction are convenient, and investment is saved; however, a mirror surface system is insufficient in lighting quantity, low in efficiency, insufficient in energy reflected to a heating pipe, low in light energy utilization rate and single in heating; sufficient solar energy is wasted in vain around many energy-consuming places, and there is no suitable facility for use, such as heating in many old industrial and mining scenes, offices, schools, hospitals, hotels, common people and the like, so that the solar energy is wasted in vain. The invention provides a suspension type solar condensation heating pipe system, a heating medium heating pipe is arranged at the high altitude and is just close to a focus line of a groove type condensation lens, the condensation lens is hung on the heating pipe, and the condensation lens irradiates a heating pipeline; the heating pipe can also be of an assembly combined structure, so that multifunctional heating is realized; solar energy can be easily and efficiently utilized in existing cities and villages at low cost.
Owner:魏万仁

A high-pressure gas and particle contact heat exchange device and a solar thermal power station

The application discloses a high-pressure gas and particle contact type heat exchange device and a solar light and heat power station, wherein the heat exchange device comprises a high-temperature particle storage tank, a low-temperature particle storage tank, a heat exchanger and a plurality of high-temperature particle flow channels and a plurality of low-temperature particle flow channels; the high-temperature particle storage tank is communicated with a particle inlet of the heat exchanger through the high-temperature particle flow channels; the low-temperature particle storage tank is communicated with a particle outlet of the heat exchanger through the low-temperature particle flow channels; a plurality of first gas flow resistance members are arranged on the high-temperature particle flow channels; a plurality of second gas flow resistance members are arranged on the low-temperature particle flow channels; the gas flow resistance members change the gas flow direction and make the high-pressure gas be restrained in the particle flow channels. The particles and the high-pressure gas are directly exchanged in the heat exchanger, the high-pressure gas can be restrained in the particle flow channels, the high-pressure gas cannot enter the high-temperature and low-temperature particle storage tanks, the particle storage tanks are always operated under normal pressure, and the cost of the particle storage tanks and the heat exchanger is reduced.
Owner:ZHEJIANG COSIN SOLAR CSP TECHNOLOGY RESEARCH INSTITUTE CO LTD

Lithium bromide heat pump regulation and control method for coupling solar photo-thermal and computing power waste heat

The invention relates to the technical field of multi-energy complementation and waste heat recovery, in particular to a lithium bromide heat pump regulation and control method for coupling solar photo-thermal and computing power waste heat. The method comprises the steps of data acquisition, model calculation, dynamic regulation and control and safety monitoring. The method comprises the steps of collecting multi-source operation data and inputting the data into a thermodynamic matching model; the method is characterized in that coupling heat source exergy efficiency and a thermal response time constant are solved, a flow regulation and heat source switching instruction is generated, and a generator is kept in a high-efficiency temperature range; meanwhile, the crystallization safety margin is calculated in real time, and the anti-crystallization process is triggered when the crystallization safety margin is lower than a threshold value; according to the method, the conversion from static threshold dependence to dynamic thermodynamic matching is realized, the problem of high-grade heat energy waste caused by source-load asynchronization is solved, and the thermodynamic perfection of the system is maximized.
Owner:SHAANXI TOPSAIL ELECTRIC TECH CO LTD

Low-energy-consumption assembly type industrial plant

The utility model relates to the technical field of assembly type buildings, and discloses a low-energy-consumption assembly type industrial factory building which comprises a house body, a top cover is arranged at the top end of the house body, an installation frame is fixedly installed at the top end of the top cover, solar panels are installed on the two sides of the installation frame respectively, and an inner supporting frame is fixedly installed on the inner side of the installation frame. And a storage battery pack is mounted in the middle of the top end of the top cover. After the low-energy-consumption assembly type industrial factory building is assembled and installed and put into use, sunlight can be converted into direct current and stored in the storage battery pack by installing the multiple sets of solar panels on the installation frame on the top of the factory building, and the direct current stored in the storage battery pack can be converted into alternating current through the inverter at night and in cloudy days; the power supply power consumption of an external power grid is reduced, the use energy consumption of the factory building is lower, the energy consumption is low, and the problem that the power consumption of an assembly type industrial factory building is high is solved.
Owner:TIANJIN CONSTR ENG GRP ARCHITECTURAL DESIGN CO LTD

Solar light-heat / cold conversion and cross-season energy storage system suitable for abandoned mine reconstruction

The invention discloses a solar light-heat / cold conversion and cross-season energy storage system suitable for abandoned mine transformation. The system comprises a water supply module, an energy supply module, an energy conversion module, a quality inspection and strengthening module, an energy storage module and a control module. The water supply module provides initial and supplementary water; the energy supply module collects energy for conversion and supplies energy to each module; the transduction module utilizes the energy processing multi-module to convey water and sends outlet temperature data to the control module. The quality inspection and enhancement module sends water temperature data and receives an instruction to execute operation; the energy storage module is used for storing water, collecting water temperature data at regular time and receiving post-processing instruction operation; the control module analyzes the temperature data of the transduction module and sends an instruction to the control system. The system solves the problems of mine treatment and facility idling in non-heating seasons, has cross-seasonal heat and cold storage capacity, realizes seasonal-scale energy supply and demand mismatch adjustment, energy space-time translation and all-season efficient utilization, and improves the system utilization rate and the rate of return on investment.
Owner:HUNAN UNIV OF SCI & TECH

Coal gasification slag-based composite particle electrode and preparation method thereof, and three-dimensional electrode reaction device

PendingCN122464501ASolar lightSlag
The present application belongs to the technical field of wastewater treatment, and discloses a coal gasification slag-based composite particle electrode, a preparation method thereof, and a solar-driven photoelectric synergistic three-dimensional electrode reactor device. The coal gasification slag-based composite particle electrode is obtained by loading nickel oxide and copper oxide active components on coal gasification fine slag as a carrier after activation treatment. The three-dimensional electrode reactor containing the composite particle electrode comprises a reactor shell, an anode plate, a cathode plate, a particle electrode layer, an aeration system, a solar light condensing device, a solar energy supply system, and a power supply, and preferably further comprises a circulating system. The specific surface area and active sites of the carrier are increased through activation treatment, and the synergistic catalysis of nickel oxide and copper oxide is utilized to achieve simultaneous and efficient removal of ammonia nitrogen and humic acid in landfill leachate. The present application utilizes coal gasification solid waste resources in the field of water treatment, and has simple preparation method, stable particle electrode performance, and high treatment efficiency.
Owner:SHIHEZI UNIVERSITY

A solar energy conversion system and method of operation thereof

PendingCN122649985ARealize full-process cascade utilizationincrease profitSolar lightCombustion chamber
The application discloses a solar energy conversion system and an operation method thereof, and belongs to the technical field of renewable energy utilization. The system comprises a hydrogen and oxygen preparation and storage unit, a combustion and power generation unit and a flue gas treatment unit. A solar light condensation high-temperature heat collector supplies heat for a hydrogen preparation device to decompose water to prepare hydrogen and oxygen, the hydrogen and oxygen are stored after being cooled and compressed, and are sent into a combustion chamber to be mixed with circulating carbon dioxide to realize oxygen-rich combustion, supercritical carbon dioxide-water vapor flue gas is generated to drive a gas turbine to generate power, the flue gas is subjected to waste heat recovery and condensation separation, water is returned to the hydrogen preparation in a closed loop, and the pressurized carbon dioxide is branched to control the temperature of the combustion chamber and the gas turbine, so that full circulation of the working medium and cascade heat exchange are realized. The solar hydrogen preparation and supercritical carbon dioxide circulation are deeply integrated, energy utilization rate is high, and operation is stable. The application can solve problems of intermittency of solar energy, low efficiency of a traditional system, large thermal pollution and the like, is energy-saving and environment-friendly, and is good in economy.
Owner:CHINA THREE GORGES UNIV

Low-cost high-transparency vo2 nanoparticle thermochromic smart window with double optical matching layer structure and preparation method thereof

PendingCN122102532ASolar lightHeat management
The application discloses a low-cost high-transparency VO2 nanoparticle thermochromic smart window with a double optical matching layer structure and a preparation method thereof, and belongs to the technical field of smart windows and passive heat management materials.The application aims to solve the problems that the prior art cannot simultaneously realize effective ion blocking and environmental protection on the basis of simplifying the film system structure and obtaining the unification of high visible light transmittance and high solar light modulation capacity on a low-cost substrate system.The smart window comprises, from bottom to top, a soda-lime glass substrate, a first optical matching layer, a W-doped VO2 nanoparticle thermochromic functional layer and a second optical matching layer.The method comprises the following steps: one, depositing the first optical matching layer;two, depositing the W-doped VO2 continuous film and in-situ annealing;three, depositing the second optical matching layer;and four, annealing.The application is used for the low-cost high-transparency VO2 nanoparticle thermochromic smart window with the double optical matching layer structure and the preparation thereof.
Owner:HARBIN INST OF TECH

Polynitrogen isoacrylamide graphene oxide cellulose hydrogel with anisotropic structure as well as preparation method and application of polynitrogen isoacrylamide graphene oxide cellulose hydrogel

The invention relates to a polynitrogen isoacrylamide graphene oxide cellulose hydrogel with an anisotropic structure as well as a preparation method and application of the polynitrogen isoacrylamide graphene oxide cellulose hydrogel, and belongs to the technical field of water treatment. The preparation method of the hydrogel comprises the following steps: S1, adding graphene oxide into deionized water to obtain a graphene oxide dispersion liquid; s2, adding the cellulose nanocrystal powder into deionized water to obtain a cellulose nanocrystal dispersion liquid; s3, nitrogen isoacrylamide and nitrogen nitrogen methylene bisacrylamide are added into deionized water, and a mixed solution is obtained; s4, adding a graphene oxide dispersion liquid and a cellulose nanocrystal dispersion liquid into the mixed liquid, and reacting to obtain a nanocrystal solution; s5, a catalyst and tetramethylethylenediamine are added into the nanocrystalline solution, freezing, low-temperature crosslinking and unfreezing are conducted, and then freezing-unfreezing circulation crosslinking is conducted; and finally, taking out, unfreezing and dialyzing. The hydrogel provided by the invention has excellent solar photo-thermal water evaporation performance.
Owner:HAINAN UNIV

Preparation method and application of photothermal fiber membrane material with multi-scale structure

The application belongs to the technical field of solar seawater desalination, and relates to a preparation method and application of a photothermal fiber membrane material with a multi-scale structure. The preparation method comprises the following steps: mixing a photothermal nanomaterial, a polymer and glutaraldehyde, and heating and reacting; then coating the mixture on a fabric infiltrated with a cross-linking solution, standing and reacting, repeatedly freezing and thawing at low temperature, drying, and engraving a channel array on the surface to obtain the photothermal fiber membrane material with the multi-scale structure; and the material can be used for solar seawater desalination. Compared with the prior art, the application has the advantages of wide raw material sources, simple preparation process, low cost and the like, and the prepared multi-scale photothermal fiber membrane material has sensitive and powerful solar light absorption and photothermal conversion performance: the material shows a solar light absorption rate of up to 96.1%, and the surface temperature of the wet material can be increased to about 40.0 DEG C within 200s, so that an efficient way for obtaining environment-friendly fresh water can be provided.
Owner:DONGHUA UNIV

Parallel solar photo-thermal and chemical coupling lunar surface resource utilization system and method

The application provides a parallel solar photo-thermal chemical coupling lunar surface resource utilization system and method, which mainly comprises a solar light condensing and heat collecting system, a solar light splitter, a thermal chemical reactor, a photochemical reactor, a lunar soil-based thermal chemical circulation oxygen carrier material, a lunar soil-based photochemical catalyst, a heat recovery regulation unit and a vacuum collector. The solar light condensing and heat collecting system and the solar light splitter converge the sunlight irradiated on the lunar surface and supply the sunlight to the thermal chemical reaction and the photochemical reaction, respectively. The high-temperature waste heat of the thermal chemical part is distributed by the heat recovery regulation unit, water decomposition for hydrogen and oxygen production and metal material acquisition are realized by using the lunar soil material, and lunar resource acquisition and efficient utilization are realized.
Owner:BEIJING INST OF TECH

Cat-based mixed matrix membranes, methods of making and use

The application belongs to the technical field of preparation of photo-thermal water production membranes, and discloses a CAT-based mixed matrix membrane, a preparation method and application, which is made of Ti-CAT, CNT and PCMVIMX; the three-dimensional network structure Ti-CAT is used as a water transmission channel, the CNT acts as a solar light absorber to increase the light absorption of the membrane, and the self-crosslinking property of PCMVIMX under ammonia gas is used as an adhesive to crosslink Ti-CAT and CNT together, and finally a dense photo-thermal water production membrane is formed. The water production membrane has good acid-base stability, excellent cycle performance and salt resistance. The membrane preparation method is simple and convenient, and can quickly prepare a high-speed water production membrane. The method is suitable for preparing a mixed matrix membrane of a porous material and a carbon material, and in general cases, the preparation of a photo-thermal water production membrane usually uses a coating method. The method for preparing the membrane by using such a polyelectrolyte as an adhesive is helpful to improve the stability of the membrane.
Owner:HUBEI UNIV