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42results about How to "Improve solar conversion efficiency" patented technology
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Quantum dot films, lighting devices, and lighting methods
ActiveUS9199842B2Improve solar conversion efficiencyEfficient recyclingMechanical apparatusLayered productsLight equipmentQuantum dot
Owner:SHOEI CHEM IND CO LTD
High efficiency concentrating photovoltaic module with reflective optics
InactiveUS20100012171A1Low costImprove solar conversion efficiencyPV power plantsPhotovoltaic energy generationElectricityThermal expansion
A Concentrating Photovoltaics (CPV) module includes light weight housing, a number of Cassegrain type reflective solar concentrators, a number of multi-junction solar cells and a novel heat spreading system. The primary and secondary reflectors focus the sun over 500 times to maximize the amount of photons collected by the solar cells and converted to electricity. A newly designed soft board material provides coefficient of thermal expansion (CTE) matched carrier for the solar cells and an efficient electrical connectivity method. The carrier board is attached to a specially formulated heat spreader that is specially formulated to conduct heat longitudinally away from the solar cells. The combination of the above creates CPV modules with the highest efficiency and lowest cost per Watt.
Owner:AMMAR DANNY F
Quantum Dot Films, Lighting Devices, and Lighting Methods
ActiveUS20150300600A1Increase the optical path lengthImprove efficiencyRadiation applicationsLayered productsLight equipmentQuantum dot display
Light-emitting quantum dot films, quantum dot lighting devices, and quantum dot-based backlight units are provided. Related compositions, components, and methods are also described. Improved quantum dot encapsulation and matrix materials are provided. Quantum dot films with protective barriers are described. High-efficiency, high brightness, and high-color purity quantum dot-based lighting devices are also included, as well as methods for improving efficiency and optical characteristics in quantum dot-based lighting devices.
Owner:NANOSYS INC
Mounting Unit for Solar Electricity Generation Systems and Improved Installation Method
InactiveUS20160254774A1Low costReduce installation timePhotovoltaic supportsSolar heating energySolar energy conversion efficiencyNatural convection
The present invention provides a mounting unit for solar panels that simplifies the complexity of storage, transit and in-field installation of solar electric generation systems. According to one embodiment, the mounting unit comprises a top panel, a bottom panel and a pair of panel guides, each formed integral with and adjacent to an opposing side of the top panel. Each panel guide includes a horizontal portion for supporting a solar panel and a vertical portion for providing an air channel between a bottom surface of the solar panel and an upper surface of the top panel. The air channel enables natural convection to cool the solar panel and optionally a power conversion device used within the system, thereby improving the solar conversion efficiency of the system. An improved method for installing a solar electric generation system is also provided herein.
Owner:CUSHING ENERGY LTD
Composite photocatalyst for splitting water to produce hydrogen under visible light and its preparation method
InactiveCN102259030AUniform particle size distributionGood monodispersityOrganic-compounds/hydrides/coordination-complexes catalystsHydrogen productionSpectral responseDecomposition
The invention discloses a composite photocatalyst for hydrogen production by hydrolysis in a visible light and a method for preparing the composite photocatalyst, relates to the composite photocatalyst for the hydrogen production by the hydrolysis and the method for preparing the composite photocatalyst, and solves the technical problems of poor stability of the conventional photocatalyst for thehydrogen production by the hydrolysis in the visible light, low hydrogen-producing speed rate and wide spectral response range. The composite photocatalyst is prepared by Zn(Ac)2.2H2O, Cd(Ac)2.2H2O, a rare earth compound and thioacetamide. The method comprises the following steps of: adding the Zn(Ac)2.2H2O, the Cd(Ac)2.2H2O and the rare earth compound into a solvent, and stirring at the temperature of 60 to 80 DEG C; adding the thioacetamide, continuously stirring to obtain a mixture, and adding the mixture into a reaction kettle for reaction; and cooling, washing and drying to obtain the composite photocatalyst. The hydrogen-producing speed rate of the composite photocatalyst is 360 to 640 mmol.h<-1>.g<-1>. The composite photocatalyst can be applied to hydrogen production by solar hydrolysis.
Owner:HEILONGJIANG PATENT TECH DEV
Water quality monitoring unit, and apparatus, system and method thereof
InactiveCN105675833AImprove experienceGuaranteed monitoring accuracyTesting waterElectricityWater quality
The invention relates to a water quality monitoring unit, and an apparatus, a method and a system thereof. The water quality monitoring unit comprises a monitoring module, a transmission control module and a power supply module; the monitoring module is used for detecting water quality information according to the control of the transmission control module and transmitting the obtained data to the transmission control module; the transmission control module receives an external instruction, controls the monitoring module to work according to the instruction, processing received data and transmitting the processed data; and the power supply module supplies electricity power to the monitoring module and the transmission control module. Water quality monitoring and solar power supply are simultaneously realized, so the water quality monitoring unit can be individually used and can cruise for a long time, and the transmission control module can receive extraneous control, can realize water quality monitoring in real time, and can timely find a pollution fountainhead, so the water quality problem is timely solved, and crises are prevented before the crises emerge.
Owner:HUANGHUAI UNIV
Microlens array for solar cells
InactiveUS20130284257A1Increase exposureImprove solar conversion efficiencyLight-sensitive devicesSemiconductor/solid-state device manufacturingNano structuringSolar energy conversion efficiency
Owner:LEHIGH UNIVERSITY
High-stability carbon nanometer fluorescence dye
InactiveCN103343005AChanging the luminescence spectrumExtended service lifeLuminescent compositionsFluorescent stainingCarbon nanodots
The invention provides a high-stability carbon nanometer fluorescence dye. The high-stability carbon nanometer fluorescence dye is coated on the surface of a conventional luminescent material, can be used for changing a luminescent spectrum and comprises a carbon nano-dot fluorescent material, a thinning agent, a binding agent and a fluorescent dyeing matter. The high-stability carbon nanometer fluorescence dye is characterized in that the carbon nano-dot fluorescent material is mixed with the thinning agent to form a fluorescent solution containing the carbon nano-dot fluorescent material; the fluorescent solution is uniformly mixed with the binding agent to form a fluorescent binding agent; and the fluorescent binding agent is combined with the fluorescent material. The high-stability carbon nanometer fluorescence dye provided by the invention has the characteristics of transparency, stability, no toxicity, environmental protection, low cost, simplicity in use and the like. The high-stability carbon nanometer fluorescence dye can be widely applied to the fields such as color long afterglow, light emitting display, light conversion agents, anti-fake fluorescent materials and various coatings.
Owner:SHANGHAI DONGZHOU IND
Graphene oxide-based porous photo-thermal material capable of efficiently generating solar steam, preparation method and application thereof
PendingCN113772667AImprove salt toleranceImprove stain resistanceSolar heating energyCarbon compoundsSolar energy conversion efficiencyPhysical chemistry
The invention provides a preparation method of a graphene oxide-based porous photo-thermal material capable of efficiently generating solar steam. The preparation method comprises the following steps: S1, preparing graphene oxide by a hummers method; S2, preparing a directionally arranged graphene oxide-based porous photo-thermal material; and S3, preparing a hydrophilic and oleophobic graphene oxide-based porous photo-thermal material. According to the invention, directional freezing and simple carbonization are taken as main means, and a synthesis method of the graphene oxide-based porous photo-thermal material which can efficiently generate solar steam and has aligned channels and oleophobicity is introduced; the invention further provides the application in seawater desalination and (oil-containing or dye-containing) wastewater purification treatment; and the graphene oxide-based porous photo-thermal material disclosed by the invention has relatively high solar energy conversion efficiency and excellent salt resistance and pollution resistance, and has a certain practical application value in the aspects of seawater desalination and (oil-containing and dye-containing) wastewater purification treatment in the future.
Owner:NORTHWEST UNIVERSITY FOR NATIONALITIES
A high efficiency solar energy photoelectric converting device
InactiveCN101515770AImprove solar conversion efficiencyReduce the temperaturePV power plantsMountingsElectricityInfrared
The invention relates to a high efficiency solar energy photoelectric converting device, which is characterized by comprising: an enclosed globe shade, a cylindrical base, a sunlight collector, a solar energy photoelectric converting device, infrared cover layers, a bracket and a solar energy converting output cable. The enclosed globe shade as a transparent spheroid is erected on the cylindrical base; the collector, the solar energy photoelectric converting device and the bracket are all arranged in the enclosed globe shade; the solar energy photoelectric converting device disposed behind each optical lens is composed of a photovoltaic cell, a radiator and an output cable; the infrared cover layers capable of shielding infrared ray are respectively or simultaneously disposed on the surface of the enclosed globe shade and in front of each optical lens; the olar energy converting output cable consists of a plurality of output cables of the solar energy converting devices and connects with electric equipment. A battery is used for storing redundant electric energy. The invention is an ideal solar energy photoelectric converting device and is simple and compact in structure, high in photoelectric converting efficiency, energy-converting and environment-protective, and convenient in assembly.
Owner:游联焰
Indium tin oxide nanowire array composite, method for preparing indium tin oxide nanowire array composite and application of indium tin oxide nanowire array composite in solar cell
The invention discloses an indium tin oxide nanowire array composite, a method for preparing the indium tin oxide nanowire array composite and the application of the indium tin oxide nanowire array composite in a solar cell. The indium tin oxide nanowire array composite comprises an indium tin oxide nanowire array which is generated on a conducting substrate, and cuprous sulfide nano-particles are wrapped on the indium tin oxide nanowire array. The method for preparing the indium tin oxide nanowire array composite comprises the steps that (1) the indium tin oxide nanowire array is generated on the conducting substrate through deposition by means of the chemical vapor deposition method with gold nanoparticles as a catalyst; (2) CdS nano-particles are wrapped on the indium tin oxide nanowire array by means of the chemical bath deposition method; (3) the CdS nano-particles are converted into the Cu2S nano-particles by means of the ion exchange method, and then the composite is obtained through calcinations in the inert atmosphere. The performance of the constituted solar cell with a counter electrode material made of the Cu2S@ITO nanowire array prepared with the method is far better than that of a solar cell with a counter electrode material made of precious metal Pt or Au and a transition metal chalcogen compound of a metal matrix.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Solar wafer and preparation method thereof
ActiveCN102386247AImprove toleranceFree path lengthFinal product manufactureSemiconductor devicesSolar energy conversion efficiencyEnergy conversion efficiency
The invention discloses a solar wafer, which comprises an N-type substrate, a P-type mingling layer arranged on the surface of the N-type substrate, an N+-type mingling layer arranged on the back face of the N-type substrate, a first passivation layer arranged on the surface of the P-type mingling layer, a second passivation layer arranged on the surface of the first passivation layer, surface electrodes arranged on the second passivation layer and back face electrodes arranged on the N+-type mingling layer. The P-type mingling layer is formed by conducting annealing treatment on P-type ions injected in ion injection mode, annealing temperature is higher than 900 DEG C, and annealing time is more than 30 seconds. A preparation method of the solar wafer is further disclosed. The ion injection method is adopted to prepare the solar wafer so that dose, mingling depth and uniformity of mingled ions can be effectively and accurately controlled. Ideal square resistors can be obtained, and actually obtained solar conversion efficiency of products is higher and closer to laboratorial theoretical design value.
Owner:KINGSTONE SEMICONDUCTOR LIMITED COMPANY
Silicon-based single-sided integrated absorption emitter for solar thermal photovoltaic cell and preparation method of silicon-based single-sided integrated absorption emitter
ActiveCN111244219AImprove solar conversion efficiencyImprove light trappingFinal product manufacturePhotovoltaic energy generationSolar energy conversion efficiencyPhysical chemistry
The invention discloses a silicon-based single-sided integrated absorption emitter for a solar thermal photovoltaic cell. The silicon-based single-sided integrated absorption emitter comprises a top-layer solar concentrating system, a selective absorption emitter at the bottom, a narrow-band-gap photovoltaic cell surrounding the selective absorption emitter and a heat storage layer at the lower part of the selective absorption emitter; and the selective absorption emitter comprises a silicon wafer substrate and a plurality of fan-shaped side wall nanopore arrays which are arranged on the silicon wafer substrate and have different depth levels. The silicon-based semiconductor metal composite structure easy to prepare without photoetching provided by the invention can be applied to a single-sided integrated absorption emitter of a solar thermal photovoltaic system by utilizing the unique optical characteristics of the silicon-based semiconductor metal composite structure, and higher solar conversion efficiency is obtained.
Owner:NANJING UNIV
High-strength multilayer-film photoelectric glass and preparation method thereof
InactiveCN103590001AGuaranteed bonding strengthIncrease profitFinal product manufactureVacuum evaporation coatingSputter cleaningIon beam
The invention discloses a high-strength multilayer-film photoelectric glass and a preparation method thereof. The multilayer-film stack photoelectric glass comprises a glass substrate, wherein a silicon dioxide layer, an aluminum oxide film layer and an AZO (aluminum-doped zinc oxide) film layer are arranged on the glass substrate in sequence. The preparation method comprises the following steps: 1. the glass substrate is pre-cleaned; 2. Step 1 is repeated for 3 to 4 times, and then the pre-cleaned glass substrate is dried in a vacuum drying oven; 3. the glass substrate goes through ion beam sputter cleaning under a vacuum condition; 4. under the environment where argon serves as the working gas, sputtering target materials are sputtered on the surface of the glass substrate through magnetron sputtering to form linings, the sputtering target materials are silicon dioxide, aluminum oxide and AZO, and the linings are the silicon dioxide layer, the aluminum oxide film layer and the AZO film layer. The invention achieves the reflection, refraction and scattering of incident sunlight through the co-action of the aluminum oxide film layer and the AZO film layer, so that the photoelectric property of an AZO film is improved.
Owner:WENZHOU UNIVERSITY
Green building capable of saving energy by utilizing solar energy
InactiveCN111006402AGuarantee the quality of workGuaranteed cleanlinessSolar heating energySolar heat collector for particular environmentEngineeringMechanical engineering
The invention discloses a green building capable of saving energy by utilizing solar energy and relates to the technical field of green buildings. The green building comprises a green building body, asolar panel and an adjusting device, wherein the solar panel is arranged on a right surface of the green building body, the solar panel comprises a first solar panel body, a first through groove andsecond through grooves, the first through groove is formed on a right surface of the first solar panel, the second through grooves are formed on front and rear inner walls of the first through groove,a first wiping rag is fixedly connected with an upper inner wall of the first through groove, a second wiping rag is fixedly connected with a lower inner wall of the first through groove, a second solar panel is arranged in the first through groove, a sealing plate is fixedly connected with a right surface of the second solar panel, a first sliding block is fixedly connected with a front surfaceof the second solar panel and a front surface of the sealing plate, and a second sliding block is fixedly connected with a rear surface of the second solar panel and a rear surface of the sealing plate. The green building has properties of high quality, high efficiency and the like.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY
Quantum dot films, lighting devices, and lighting methods
ActiveUS11198270B2Improve solar conversion efficiencyEfficient recyclingMechanical apparatusSynthetic resin layered productsOptical propertyQuantum dot
Owner:SHOEI CHEM IND CO LTD
Texturing additive for diamond wire polycrystalline silicon wafers and texturing etching solution for diamond wire polycrystalline silicon wafers
InactiveCN110644049AReduce reflectivityReduce the cost of electricity generationPolycrystalline material growthAfter-treatment detailsOXALIC ACID DIHYDRATEMaterials science
The invention discloses a texturing additive for diamond wire polycrystalline silicon wafers and a texturing etching liquid using the additive for the polycrystalline silicon wafers. The texturing additive for the diamond wire polycrystalline silicon wafers comprises a low-viscosity low-foam-stability component, a high-viscosity high-foam-stability component and deionized water, wherein the low-viscosity low-foam-stability component comprises oxalic acid, tartaric acid, citric acid, a soluble citrate, an isomeric alcohol ether and a quaternary ammonium salt cationic surfactant, and the high-viscosity high-foam-stability component comprises polyethylene glycol, methoxypolyethylene glycol and a gimini quaternary ammonium salt cationic surfactant. By using the texturing additive provided by the invention, the textured microstructure of the diamond wire silicon wafers can be modulated, the reflectivity of the diamond wire polycrystalline silicon wafers is effectively reduced, and the lighttrapping effect is improved, so that the solar photovoltaic conversion efficiency is improved, and the kilowatt-hour power generation cost is reduced.
Owner:上海硅洋新能源科技有限公司
Quantum Dot Films, Lighting Devices, and Lighting Methods
ActiveUS20210129481A1Improve solar conversion efficiencyEfficient recyclingMechanical apparatusSynthetic resin layered productsLight equipmentOptical property
Light-emitting quantum dot films, quantum dot lighting devices, and quantum dot-based backlight units are provided. Related compositions, components, and methods are also described. Improved quantum dot encapsulation and matrix materials are provided. Quantum dot films with protective barriers are described. High-efficiency, high brightness, and high-color purity quantum dot-based lighting devices are also included, as well as methods for improving efficiency and optical characteristics in quantum dot-based lighting devices.
Owner:SHOEI CHEM IND CO LTD
Working electrode, dye-sensitized solar cell having same and method for making same
InactiveUS20100126578A1Guaranteed normal transmissionSpeed up the conversion processElectrolytic capacitorsFinal product manufactureIridiumSolar cell
An exemplary working electrode includes a transparent conductive substrate, a nanorod layer formed on the transparent conductive substrate, and a porous semiconductor layer formed on the nanorod layer. The nanorod layer includes a plurality of nanorods. Each nanorod is comprised of a material selected from the group consisting of iridium-iridium oxide and ruthenium-ruthenium oxide. The porous semiconductor layer has a dye sensitizer adsorbed thereon.
Owner:HON HAI PRECISION IND CO LTD
Polymer electrolyte for dye-sensitized solar cells and a fabrication method of dye-sensitized solar cells using the polymer electrolyte
InactiveCN102334195APrevent leakageImprove solar conversion efficiencyLight-sensitive devicesFinal product manufactureEpoxySolar energy conversion efficiency
Owner:TORAY ADVANCED MATERIALS KOREA
Film used for photovoltaic module, photovoltaic module and preparation method
PendingCN107833934APlay an isolation roleAvoid bad consequencesPhotovoltaic energy generationSemiconductor devicesIsolation effectChemical reaction
The invention provides a film used for a photovoltaic module, the photovoltaic module and a preparation method. The film used for the photovoltaic module comprises an adhesive layer and a PET layer from the bottom up in sequence; and the film is only used for covering a solder strip on the photovoltaic module and / or regions between battery pieces on the photovoltaic module. After the solder stripis covered with the film disclosed in the invention, EVA packaging is performed; and PET has an isolation effect, and soldering flux residue on the solder strip is not in direct contact with packagingEVA, so that the bad consequences caused by a chemical reaction between the two parties can be eliminated completely.
Owner:PERLIGHT SOLAR
Early-warning solar generator
InactiveCN104362938AImprove solar conversion efficiencyExtended service lifeBatteries circuit arrangementsPV power plantsSolar lightSolar generator
The invention discloses an early-warning solar generator. The early-warning solar generator comprises a solar battery plate, an automatic tracking device, a storage battery, an inverter, a collection circuit, a comparison circuit, a processor, an inductor, a warning lamp and a mobile phone terminal, wherein the solar battery plate is arranged on the automatic tracking device, the storage battery is connected with the solar battery plate, the solar battery plate and the storage battery supply power through the inverter, the processor is connected with the storage battery, the inductor, the warning lamp and the mobile phone terminal, and the solar battery plate is connected with the processor through the collection circuit and the comparison circuit. The early-warning solar generator disclosed by the invention can be used for improving the conversion efficiency of solar light through the automatic tracking device, and guarantees the continual power supply of a power device, and the service life of the solar battery plate is prolonged; the early-warning solar generator can be used for making an early warning of abnormal situations around the power device so as to avoid safety accidents and informs management staff of the situations, and the working efficiency is improved; and the early-warning solar generator is simple in structure, low in investment cost and high in reliability, and can satisfy demands of small and medium power generation capacity.
Owner:STATE GRID CORP OF CHINA +1
Power generation optimization method considering clean energy
InactiveCN113078874AGuaranteed luminous efficiencyIncrease profitPhotovoltaic supportsPhotovoltaic energy generationLight energyEngineering
The invention discloses a power generation optimization method considering clean energy. The power generation optimization method comprises the following steps: S1, a flat, continuous, open and gentle zone with a terrain orientation (south-north) and a certain soil layer thickness is selected; S2, a rotating mechanism is installed on the base, wherein the rotating mechanism drives the solar power generation panel to rotate according to the sunlight irradiation intensity; S3, a fixing mechanism is installed at the top of the rotating mechanism, the solar power generation panel is fixedly installed at the top of the fixing mechanism, the fixing mechanism can fix the solar power generation panel to prevent the solar power generation panel from shaking, and the stability of light energy absorption of the solar power generation panel is guaranteed; and S4, a light condensation film is attached to the surface of the solar power generation panel, and the light condensation film can collect slowly-reflected sunlight incident in the illegal line direction. The utilization rate of solar energy is increased, a rotating mechanism drives the solar power generation panel to rotate according to the sunlight irradiation intensity, and therefore the solar power generation panel can adapt to illumination conditions in different time periods; and therefore, the luminous efficiency of the power generation panel is ensured.
Owner:内蒙古媛禄兴新能源科技有限责任公司
Flat-plate solar thermal collector
InactiveCN104501431AIncrease the light areaImprove lighting efficiencySolar heat devicesSolar thermal energy generationSolar energy conversion efficiencyEngineering
The utility model discloses a flat-plate solar thermal collector which comprises a plurality of frame strips, connecting pieces, a shell plate, an inner discharge pipe, a lighting panel and lighting glass, wherein a water inlet and a water outlet are formed in the inner discharge pipe; the frame strips are enclosed into a polygonal frame, and every two adjacent frame strips are connected through the connecting piece; the shell plate and the lighting panel are respectively positioned at the two ends of the frame, and the inner discharge pipe is positioned in the frame and closely jointed with the lighting panel; the lighting glass is arranged on the upper surface of the lighting panel; a plurality of mounting holes (6) are formed in the two ends of each frame strip, and the two ends of each connecting piece are inlaid into the mounting holes (6), so that the two adjacent frame strips are closely jointed; a plurality of caved blind holes are formed in the surface of the lighting glass. The flat-plate solar thermal collector has good solar conversion efficiency.
Owner:WUHU BEST NEW ENERGY DEV
Solar wafer and preparation method thereof
ActiveCN102386247BImprove toleranceFree path lengthFinal product manufactureSemiconductor devicesSolar energy conversion efficiencyEnergy conversion efficiency
The invention discloses a solar wafer, which comprises an N-type substrate, a P-type mingling layer arranged on the surface of the N-type substrate, an N+-type mingling layer arranged on the back face of the N-type substrate, a first passivation layer arranged on the surface of the P-type mingling layer, a second passivation layer arranged on the surface of the first passivation layer, surface electrodes arranged on the second passivation layer and back face electrodes arranged on the N+-type mingling layer. The P-type mingling layer is formed by conducting annealing treatment on P-type ions injected in ion injection mode, annealing temperature is higher than 900 DEG C, and annealing time is more than 30 seconds. A preparation method of the solar wafer is further disclosed. The ion injection method is adopted to prepare the solar wafer so that dose, mingling depth and uniformity of mingled ions can be effectively and accurately controlled. Ideal square resistors can be obtained, and actually obtained solar conversion efficiency of products is higher and closer to laboratorial theoretical design value.
Owner:KINGSTONE SEMICONDUCTOR LIMITED COMPANY
Mounting unit for solar electricity generation systems and improved installation method
InactiveUS9923508B2Improve solar conversion efficiencyImprove efficiencyPhotovoltaic supportsRoof covering using slabs/sheetsSolar energy conversion efficiencyNatural convection
Owner:CUSHING ENERGY LTD
A growing dual-plane mirror reflective photovoltaic intelligent concentrating system
InactiveCN104393832BStable jobMaximize utilizationPhotovoltaic supportsPhotovoltaic energy generationPlane mirrorEngineering
The invention discloses a prolonged double-plane mirror reflection photovoltaic intelligent condensation system and belongs to the technical field of solar application. The prolonged double-plane mirror reflection photovoltaic intelligent condensation system comprises a condensation battery panel component bracket, a battery panel component, two plane mirrors symmetrically arranged to the battery panel component in 120 degrees, an upper mirror stand and a lower mirror stand respectively fixed with the plane mirrors, a triangular floor stand, and a plurality of flange rollers. The length of each of the two plane mirrors is larger than that of the battery panel component. Through regulating automatically or manually, when the battery panel component is arrayed in the east-west direction, the battery panel component always faces to the sun at the high noon of each day, and when the battery panel component is arrayed in the south-north direction, the battery panel component completely tracks the sun from the east to west at each day. The prolonged double-plane mirror reflection photovoltaic intelligent condensation system has features that the manufacturing technique is simple, the cost is low, the solar energy utilization efficiency is improved in all time, and the photovoltaic power generation capacity is obviously improved.
Owner:吴加林
A kind of indium tin oxide nanowire array composite material and its preparation method and application in solar cells
ActiveCN103617891BIncrease loadHigh catalytic efficiencyElectrolytic capacitorsPtru catalystElectrical battery
The invention discloses an indium tin oxide nanowire array composite, a method for preparing the indium tin oxide nanowire array composite and the application of the indium tin oxide nanowire array composite in a solar cell. The indium tin oxide nanowire array composite comprises an indium tin oxide nanowire array which is generated on a conducting substrate, and cuprous sulfide nano-particles are wrapped on the indium tin oxide nanowire array. The method for preparing the indium tin oxide nanowire array composite comprises the steps that (1) the indium tin oxide nanowire array is generated on the conducting substrate through deposition by means of the chemical vapor deposition method with gold nanoparticles as a catalyst; (2) CdS nano-particles are wrapped on the indium tin oxide nanowire array by means of the chemical bath deposition method; (3) the CdS nano-particles are converted into the Cu2S nano-particles by means of the ion exchange method, and then the composite is obtained through calcinations in the inert atmosphere. The performance of the constituted solar cell with a counter electrode material made of the Cu2S@ITO nanowire array prepared with the method is far better than that of a solar cell with a counter electrode material made of precious metal Pt or Au and a transition metal chalcogen compound of a metal matrix.
Owner:INST OF CHEM CHINESE ACAD OF SCI
A method for preparing self-assembled nanostructured composites for solar energy absorption
ActiveCN113235147BLess catchReduce surface reflectionAnodisationMaterial nanotechnologyAbsorptanceElectrochemistry
Owner:JIANGNAN UNIV
Super-heat-preservation solar heat collecting plate system integration
InactiveCN107588559AGood light transmissionImprove absorption rateSolar heating energyCollector thermal insulationSystem integrationSolar energy conversion efficiency
Super-heat-preservation solar heat collecting plate system integration comprises M solar heat collecting plates with outer frames attached together, wherein M is a natural number larger than or equalto 2; an upper sealing strip is arranged at the upper portion of a gap between the outer frames of every two adjacent solar heat collecting plates; a lower sealing strip is arranged at the lower portion of the gap between the outer frames of every two adjacent solar heat collecting plates, and a closed space is defined by the upper sealing strip and the lower sealing strip at the gap between the outer frames of every two adjacent solar heat collecting plates; the gap between the outer frames of every two adjacent solar heat collecting plates is smaller than 3 mm. On the basis of ensuring the high light permeability and high absorptivity of the solar heat collecting plates, the heat dissipation loss is greatly lowered, and therefore the solar energy conversion efficiency is greatly improved.
Owner:汪洪
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