CN210086700U - Power generation building material - Google Patents
Power generation building material Download PDFInfo
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- CN210086700U CN210086700U CN201920173536.1U CN201920173536U CN210086700U CN 210086700 U CN210086700 U CN 210086700U CN 201920173536 U CN201920173536 U CN 201920173536U CN 210086700 U CN210086700 U CN 210086700U
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- building material
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a power generation building material, which comprises a surface layer, a photoelectric conversion device, a basal layer and an electrode; the substrate layer is attached to the second surface of the photoelectric conversion device; the surface layer is attached to a first surface of the photoelectric conversion device, which is far away from the base layer; the surface layer is made of optical regulating material, and the weighted average transmittance in the wavelength range of 300 nm-1300 nm is 10% -85%. The electrodes are arranged on the base layer or/and the side edge of the power generation building material. The power generation building material has the texture and quality of building materials, is rich and diverse in expression form, can not change the building style and urban landscape when being installed on the appearance of a building, and has wide application prospect.
Description
Technical Field
The utility model belongs to the photovoltaic field, concretely relates to electricity generation building materials.
Background
Solar energy is one of new energy sources which can be utilized by people at present, and although the solar energy is widely distributed and abundant, the production places are all arranged in suburbs and deserts with rare smoke and low energy consumption at present. In cities with concentrated population and huge energy consumption, although a large amount of available solar energy is available, the solar energy effectively utilized at present is very little. This is because the main mode of combining city and solar energy is Building Integrated Photovoltaic (BIPV), but the photovoltaic module that conventional BIPV adopted generally appears dark blue, grey, black, and its color, feel, texture are unsatisfactory, can not reach the requirement of building to the aesthetics, difficult with the building integration. In addition, most of the existing photovoltaic modules adopt toughened glass as a front packaging panel, so that the photovoltaic modules are easy to generate mirror reflection and produce light pollution such as flashing, dizziness and the like. These drawbacks limit the widespread use of photovoltaic modules in the field of construction.
Based on this, the patent application CN200420085961 adopts optical antireflection films with different thicknesses and types, so that the crystalline silicon solar cell presents different colors; in patent application CN201020272089, an optical medium film layer is added between a glass substrate and a transparent conductive film, so that the optical medium film layer, the transparent glass substrate, the transparent conductive film and an amorphous silicon film form a passive filter system capable of selectively reflecting and absorbing solar spectrum. When the incident angle is changed, the color of the curtain wall glass changes, namely the color of the curtain wall glass is different when the curtain wall glass is observed from the front and the side. In patent application CN201220200568, the color of the EVA or PVB adhesive film is changed to match the color of the building without changing the battery piece. Although the photovoltaic modules can be colored, the application range of the photovoltaic modules is widened, the modules are still single in color, toughened glass is still adopted as a packaging protection surface layer for the photovoltaic modules, and light pollution such as flashing and dizziness caused by mirror reflection still exists. Therefore, the photovoltaic module cannot be used in large quantities in the field of buildings.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect that current photovoltaic module exists, the utility model provides a power generation building materials, this power generation building materials still adopt the material that has the optics regulation and control effect as the surface course except having the function that utilizes solar power generation with conventional photovoltaic module the same, make the power generation building materials have texture and feel the same with natural stone materials such as marble, granite. The surface layer of the power generation building material has an optical regulation function, so that the light pollution of flashing, dizziness and the like caused by mirror reflection of a conventional component is completely eliminated, different colors and patterns can be designed according to needs, a colorful appearance is presented, the power generation building material is highly fused with modern city building art, and the power generation building material has a wide application prospect. In addition, the surface layer of the power generation building material is prepared by a liquid curing method, high-temperature heating is not needed in the preparation process, the preparation process is simple, the energy consumption is low, no pollution is caused, and the product cost is low. The power generation building material meets the weather resistance requirement of common building exterior wall building materials, and the service life of the power generation building material is far longer than that of the conventional common photovoltaic module.
The utility model discloses a concrete technical scheme as follows:
a power generation building material comprising a facing layer, a photoelectric conversion device, a base layer, and an electrode;
the photoelectric conversion device is provided with a first surface and a second surface; the first surface is a light receiving surface; the photoelectric conversion device is electrically connected with the electrode;
the substrate layer is an engineering structure plate and is attached to the second surface of the photoelectric conversion device;
the surface layer is attached to a first surface of the photoelectric conversion device, which is far away from the base layer; the surface layer is an optical regulating material, the optical regulating material is a semitransparent layer with the texture and quality of building materials, and the weighted average transmittance of the semitransparent layer in the wavelength range of 300-1300 nm is 10-85%.
The electrodes are arranged at the bottom or/and the side edges of the power generation building material.
Preferably, the surface layer is composed of an optical medium material with an atomized scattering effect and a texture phase; micro-particles with an optical regulation function are distributed in the optical medium material, haze is formed, and the size of the optical regulation micro-particles is 0.1-2 mu m; the texture phase comprises one or more of oxide, carbonate, sulfide, phthalocyanine, azo and polycyclic.
The raw materials required for preparing the surface layer comprise a base material, a solvent, an auxiliary agent and a filler. Wherein the filler comprises nanoparticles, microparticles and pigments. The surface layer raw material is firstly mixed into liquid raw material according to the proportion and the process flow, then the liquid raw material is coated, and finally the liquid raw material is solidified at a certain temperature to form the surface layer with the optical regulation and control function. Part of nano particles and micro particles are dispersed in the surface layer, so that light rays penetrating through the surface layer are atomized and scattered to form haze; because some nanometer particles in the surface layer have photoluminescence characteristic, can absorb the ultraviolet wave band light which penetrates the surface layer, stimulate the light of the visible light wave band, the pigment granule distributed in the surface layer can reflect a certain wave band light which penetrates the surface layer at the same time, the common action of stimulating light and reflected light forms color and pattern in the medium material, make the surface layer present the texture and quality of the building material; in addition, the EVA glued membrane of using in a large number often produces yellow, ageing phenomenon because absorbed the ultraviolet band photon in the solar spectrum the utility model discloses in, ultraviolet band photon is absorbed by the surface course, has prolonged glued membrane life, and then has prolonged the life of electricity generation building materials.
Meanwhile, the photoluminescence nano particles distributed in the surface layer can absorb ultraviolet band light penetrating through the surface layer, reduce irradiation of ultraviolet light to high polymer in the photoelectric conversion device and delay the service life of the photoelectric conversion device, and can absorb ultraviolet band light which cannot be absorbed by the photoelectric conversion device and convert the ultraviolet band light into visible band light which can be absorbed by the photoelectric conversion device, so that the power generation efficiency of the photoelectric conversion device is improved.
Preferably, the photoluminescent nanoparticles comprise one or more of InP/ZnS, CdSe/ZnS and PbS.
Preferably, the surface layer raw materials comprise, by weight, 600-800 parts of deionized water, 0.1-1 part of a cross-linking agent, 2-5 parts of cellulose, 0.5-3 parts of a dispersing agent, 0.5-3 parts of a multifunctional assistant, 1-4 parts of a bactericide, 15-30 parts of a forming agent, 2-6 parts of ethylene glycol, 8-10 parts of a film-forming assistant, 15-28 parts of soap-free polymerized silicone-acrylate emulsion, 70-110 parts of core-shell structure copolymerized self-crosslinked silicone-acrylate emulsion and 50-110 parts of organic silicon grafted acrylate emulsion. 0.1-10 parts of nano particles and micro particles used as light diffusant, which comprise one or more of nano barium sulfate, nano calcium carbonate, nano silicon dioxide, acrylic type, styrene type and acrylic resin. 5-15 parts of surface layer pigment, wherein the pigment comprises one or more of rock green, carbon black, mica, coral, realgar, iron oxide red, iron oxide yellow, titanium white, chrome yellow and iron blue.
Further preferably, the pigment can be selected from organic pigments according to parts by weight, and the organic pigments comprise one or more of phthalocyanine, benzimidazolone, pyrrone, quinacridone, isoindoline, anthrapyrimidine and acetoacetyl arylamine.
Preferably, the surface layer comprises, by weight, 30-90 parts of water glass, 90-160 parts of filler, 3-5 parts of thickening agent, 5-9 parts of curing agent, 14-27 parts of water, 1-10 parts of pigment, and 0.1-5 parts of nano particles and/or micro particles serving as light diffusion agents. The water glass comprises sodium water glass and/or potassium water glass, and the filler comprises one or more of white carbon black, kaolin, heavy calcium carbonate, light calcium carbonate, wollastonite powder, talcum powder, quartz powder, mica powder, aluminum silicate, precipitated barium sulfate and bentonite; the thickening agent comprises one or more of silica gel, methylcellulose and hydroxypropyl methylcellulose; the curing agent comprises vinyl triamine and/or m-phenylenediamine m-PDA. The nano particles and the micro particles comprise one or more of nano barium sulfate, nano calcium carbonate, nano silicon dioxide, acrylic type, styrene type and acrylic resin. The pigment comprises one or more of stone green, carbon black, iron oxide red, iron oxide yellow, chrome yellow, iron blue, pearl silver, pearl gold, phthalocyanine, benzimidazolone, pyrrone, quinacridone, isoindoline, anthrapyrimidine and acetoacetyl arylamine.
Preferably, the raw materials of the surface layer comprise a base material, a filler, an auxiliary agent and the like in parts by weight; the light diffusion agent specifically comprises 50-70 parts of base materials, 5-15 parts of fillers, 3-6 parts of auxiliaries, 1-5 parts of pigments and 1-6 parts of nano particles and micro particles serving as light diffusion agents. The base material comprises fluorocarbon resin; the filler comprises one or more of white carbon black, kaolin, calcium carbonate, wollastonite powder, talcum powder, quartz powder, mica powder, aluminum silicate, precipitated barium sulfate and bentonite; the auxiliary agent comprises one or more of a wetting agent, a dispersing agent, a defoaming agent, a film-forming auxiliary agent, a mildew preventive and a thickening agent. Further, the humectant comprises glycerin and/or dimethyl sulfoxide; the dispersant comprises sodium polycarboxylate and/or ammonium polyacrylate; the defoaming agent comprises one or more of emulsified silicone oil, polyoxyethylene polyoxypropylene pentaerythritol ether and polyoxyethylene polyoxypropylene amine ether; the film-forming aid comprises dodecyl ester alcohol; the mildew preventive comprises one or more of calcium propionate, ammonium persulfate and o-phenylphenol; the thickening agent is one or more of silica gel, methylcellulose and hydroxypropyl methylcellulose. The pigment comprises one or more of lime, carbon black, mica, coral, realgar, iron oxide red, iron oxide yellow, titanium white, chrome yellow and iron blue. The nano particles and/or micro particles comprise one or more of nano barium sulfate, nano calcium carbonate, nano silicon dioxide, acrylic type, styrene type and acrylic resin.
The photoelectric conversion device sequentially comprises a photogenerated hole collection back electrode, a photogenerated carrier layer, a photogenerated electron collection front electrode and a blocking layer, wherein the back electrode and the front electrode are provided with current collection devices, and the current collection devices are electrically connected with the electrodes.
Preferably, the photoelectric conversion device may employ a solar cell module, or may employ a solar cell chip. The solar cell module comprises a crystalline silicon solar cell module, a thin film solar cell module or a mixture of the crystalline silicon solar cell module and the thin film solar cell module; the solar cell chip comprises a crystalline silicon solar cell chip, a thin film solar cell chip or a mixture of the crystalline silicon solar cell chip and the thin film solar cell chip. The crystalline silicon solar cell comprises monocrystalline silicon and polycrystalline silicon solar cells, and the thin-film solar cell comprises a copper indium gallium selenide solar cell, a gallium arsenide solar cell, an amorphous silicon solar cell, a cadmium telluride solar cell, a dye sensitized solar cell, a copper zinc tin sulfide solar cell and a perovskite solar cell. When a solar cell chip is selected as a photoelectric conversion device, a blocking protective layer needs to be prepared on the surface of the solar cell chip. The good performance of the photoelectric conversion device can only be ensured by preparing a surface layer on the barrier protective layer through liquid state curing.
The barrier layer comprises one or more of a ceramic film, ethylene-vinyl acetate copolymer (EVA), polyvinyl butyral (PVB), polyethylene-butylene copolymer (POE), silica gel, Polyethylene (PE), polyethylene-tetrafluoroethylene copolymer (ETFE), perfluoroethylene propylene copolymer (FEP), polyvinylidene fluoride (PVDF), polyethylene terephthalate (PET), glass, organic glass (PMMA) and Polycarbonate (PC).
Preferably, when the barrier layer has only a ceramic thin film; the barrier layer is made of a ceramic film comprising one or more of oxide and nitride. The oxide comprises one or more of silicon oxide, zinc oxide or titanium oxide; the nitride includes aluminum nitride and/or silicon nitride.
Preferably, when the barrier layer comprises EVA, PVB, POE or silicone, the barrier layer further comprises a front film; wherein the front film comprises glass and/or a polymer material; the high polymer material comprises one or more of PMMA, PC, ETFE, PVDF, FEP, PET and PET/PE.
Preferably, the thickness of the ceramic thin film is 0.4 to 100 μm.
Preferably, the ceramic film can be prepared by a sputtering method or a chemical vapor deposition method.
Preferably, the electrodes include at least a pair of electrodes and a bypass diode; the bypass diode is connected in parallel with the photoelectric conversion device to form a bypass and is electrically connected with the positive electrode and the negative electrode. When the photoelectric conversion device works normally, the bypass diode is in a disconnected state, and the current of the photoelectric conversion device is normally output; when the photoelectric conversion device cannot work normally, the bypass diode is communicated, and the system current bypasses the photoelectric conversion device which cannot work normally through the bypass diode, so that the building material power generation system can work normally. The electrodes are connected to the circuit system in the manner of a jack, plug or/and terminal block.
The base layer is an engineering structure plate, the water absorption rate of the engineering structure plate is below 0.5%, and the engineering structure plate comprises one or more of glass, a metal plate, a cement-based fiberboard, a flexible plastic film and a ceramic tile. The material can be made into a plate as a base layer of the power generation building material in a laminated mode, can also be made into a plate as a base layer of the power generation building material in a splicing mode, and can be made into a plate as a base layer of the power generation building material in any other mode.
The substrate layer can be prepared with a photoelectric conversion device directly on the surface, or the prepared photoelectric conversion device can be selected and attached to the substrate layer through a subsequent process.
The preparation method of the power generation building material comprises the following steps:
1) cleaning and drying the substrate layer according to a standard cleaning process, and then preparing a photoelectric conversion device on the substrate, or attaching the prepared photoelectric conversion device on the cleaned substrate layer, and leading out a positive electrode and a negative electrode;
2) mixing and stirring the weighed raw materials according to a certain procedure to form a liquid mixture;
3) coating the liquid mixture on the first surface of the photoelectric conversion device by adopting a mechanical or manual method;
4) the liquid surface layer is kept stand for a period of time at a certain temperature, and the surface layer is completely solidified to obtain the power generation building material.
Preferably, the surface layer in step 3) can be prepared by a method of manual spraying, automatic spraying, brushing, spin coating, printing, slurry flowing, rolling, blade coating and coating on the photoelectric conversion device by using a liquid material.
Preferably, the curing temperature in the step 4) is-10 ℃ to 100 ℃, and the curing time is 0.1s to 72 h.
The power generation building material prepared by the utility model has no change in photoelectric conversion efficiency after 200 times of thermal cycles in the thermal cycle test; after 10 times of circulation in a wet freezing test, the photoelectric conversion efficiency of the power generation building material is unchanged; after 1000 hours in a double 85 damp-heat test, the photoelectric conversion efficiency of the power generation building material is unchanged; in the insulation and voltage resistance test of the power generation building material, the leakage current is less than 50 microamperes, and the insulation resistance is more than 50 megaohms.
The utility model discloses the power generation building materials prepared, the water absorption rate is less than or equal to 8%, 50 freeze thawing cycle is indestructible, can not appear exploding and crackle, and the weather aging resistance is more than or equal to 600h, and the stain resistance is less than or equal to 20%, and chemical corrosion resistance accords with the standard, and the resistance to washing is more than or equal to 1000 times, and adhesive force between surface course and the power generation layer is more than or equal to 1MPa, and the mohs hardness of surface course is more than or equal to 3, has reached each item performance index of conventional building.
Compared with the prior art, the utility model has the advantages that:
1) the utility model provides a power generation building materials still adopts the material that has the optics regulation and control effect as the surface course except having the function that utilizes solar light power generation, has overcome conventional photovoltaic module completely because the mirror reflection causes the shortcoming of light pollution such as flash of light, vertigo.
2) The utility model provides a colour and pattern that electricity generation building materials can design the building materials surface course as required have rich and varied outward appearance, reach with the high integration of modern city building art, have wide application prospect.
3) The utility model discloses a surface course curing temperature between-10 deg.C-100 deg.C, because curing temperature is low, can not cause the damage to solar module, the building materials preparation simple process that generates electricity moreover, the energy consumption is low and pollution-free, and product cost is low.
4) The utility model discloses the power generation building materials that prepare not only surface course have stronger adhesive force with photoelectric conversion device, have better wear resistance moreover, stronger corrosion resistance reaches the weatherability requirement of ordinary building outer wall building materials, and life is far greater than present ordinary photovoltaic module's life.
Drawings
FIG. 1 is an I-V curve of a power generation building material prepared in example 1;
FIG. 2 is a structural view of the power generation building material of the present invention (containing ceramic film), 1 is a surface layer; 2 is a photoelectric conversion device; 3 is a basal layer;
FIG. 3 is a side view of the power generating building material of FIG. 2, wherein FIG. 1 is a face layer; 2-1 is a ceramic film; 2-2 is a solar cell layer; 2 x 2 is a photo-generated electron collecting front electrode; 2 x 3 is a photo-generated hole collecting back electrode; 4 is a pair of electrodes;
FIG. 4 is a structural view of the power generation building material of the present invention (including front film and adhesive film), wherein 1 is a surface layer; 2 is a photoelectric conversion device; 3 is a basal layer;
FIG. 5 is a side view of the power generating building material of FIG. 4, wherein FIG. 1 is a face layer; 2-1 is a front membrane; 2-2 is a glue film; 2-3 is a solar cell layer; 2 x 3 is a photo-generated electron collecting front electrode; 2 x 4 is a photo-generated hole collecting back electrode; 4 is a pair of electrodes;
FIG. 6 is a structural view of the power generation building material of the present invention (containing ceramic film), wherein 1 is a surface layer; 2 is a photoelectric conversion device; 3 is a basal layer;
FIG. 7 is a side view of the power generating building material of FIG. 6, wherein FIG. 1 is a face layer; 2-1 is a ceramic film; 2-2 is a solar cell layer; 3-1 is a first substrate layer; 3-2 is a glue film; 3-3 is a second substrate layer; 2 x 3 is a photo-generated electron collecting front electrode; 2 x 4 is a photo-generated hole collecting back electrode; 4 is a pair of electrodes;
FIG. 8 is a structural view of the power generation building material of the present invention (including front film and adhesive film), wherein 1 is a surface layer; 2 is a photoelectric conversion device; 3 is a basal layer;
FIG. 9 is a side view of the power generating building material of FIG. 8, with FIG. 1 being a facing layer; 2-1 is a front membrane; 2-2 is a glue film; 2-3 is a solar cell layer; 3-1 a first substrate layer; 3-2 is a glue film; 3-3 is a second substrate layer; 2 x 4 is a photo-generated electron collecting front electrode; 2 x 5 is a photo-generated hole collecting back electrode; 4 is a pair of electrodes;
FIG. 10 is a structural view of the power generation building material of the present invention (including front film and adhesive film), wherein 1 is a surface layer; 2 is a photoelectric conversion device; 3 is a basal layer;
FIG. 11 is a side view of the power generating building material of FIG. 10, with FIG. 1 being a facing layer; 2-1 is a front membrane; 2-2 is a glue film; 2-3 is a solar cell layer; 3-1 is a glue film; 3-2 is a first substrate; 3-3 is a glue film; 3-4 is a second substrate; 2 x 4 is a photo-generated electron collecting front electrode; 2 x 5 is a photo-generated hole collecting back electrode; 4 is a pair of electrodes;
FIG. 12 is a structural view of the power generation building material of the present invention (including front film and adhesive film), wherein 1 is a surface layer; 2 is a photoelectric conversion device; 3 is a basal layer;
FIG. 13 is a side view structural view of the power generating building material of FIG. 12, wherein FIG. 1 is a face layer; 2-1 is a front membrane; 2-2 is a glue film; 2-3 is a solar cell layer; 2 x 3 is a photo-generated electron collecting front electrode; 2 x 4 is a photo-generated hole collecting back electrode; 3-1 is a glue film; 3-2 is a basal layer; 4 is a pair of electrodes;
Detailed Description
The invention will be further explained and illustrated with reference to the drawings, which are only intended to illustrate the invention and are not intended to be limiting.
Referring to fig. 2 and 3, a power generation building material structure diagram is shown.
The power generation building material comprises a surface layer, a photoelectric conversion device, a base layer and an electrode.
The surface layer is formed by combining an optical medium material with an atomization scattering effect and textures;
the photoelectric conversion device sequentially comprises a photogenerated hole collecting back electrode, a photogenerated carrier layer, a photogenerated electron collecting front electrode and a blocking protective layer, wherein the back electrode and the front electrode are provided with current collecting devices, and the current collecting devices are electrically connected with the electrodes.
The base layer is an engineering structure plate and comprises one or more of glass, a metal plate, a cement-based fiber board, a flexible plastic film and a ceramic tile.
The electrodes at least comprise a pair of positive and negative electrodes and a bypass diode, and the electrodes are connected with a system circuit in a jack, plug or/and junction box mode.
Example 1
The power generation building material has a base layer made of flexible stainless steel foil and a thickness of 0.2 mm. And cleaning the flexible stainless steel foil, and sequentially preparing a WTi barrier layer, a Mo electrode, a copper indium gallium selenide film layer, a cadmium sulfide buffer layer, intrinsic zinc oxide and an AZO light-transmitting front electrode on the flexible stainless steel foil to form the CIGS solar cell. The positive and negative electrodes of the solar cell are led out by screen printing of a current collecting grid line, arrangement of a bus bar and the like, and are electrically connected with the positive and negative electrodes of the power generation building material. Then 3 mu m of aluminum nitride is prepared on the surface of the CIGS to serve as a blocking layer, and finally a 1mm surface layer is prepared on the blocking layer by adopting a printing method. The prepared surface layer is kept stand for 10min at 90 ℃ and can be completely solidified to obtain the power generation building material.
The power generation building material surface layer comprises the following raw materials in percentage by weight: the pigment comprises 7 parts by weight of lime green, carbon black, iron oxide red, iron blue, pearl silver, quinacridone and isoindoline. The base material comprises 764 parts of deionized water, 0.4 part of A1522 cross-linking agent, 3 parts of 250HBR cellulose, 1.5 parts of 5040 dispersing agent, 1.5 parts of AMP-95 multifunctional auxiliary agent, 2.5 parts of M30 bactericide, 21 parts of R103 forming agent, 4 parts of ethylene glycol, 9.5 parts of C-12 film-forming auxiliary agent, 0.1 part of organic silicon light diffusant, 1 part of polymethyl methacrylate ball with the diameter of 0.8 mu M, 21 parts of soap-free polymerized silicone-acrylic emulsion, 90 parts of self-crosslinking silicone-acrylic emulsion formed by copolymerizing a core-shell structure and 70 parts of organic silicon grafted acrylate emulsion.
The structure of the power generation building material prepared in example 1 is shown in fig. 2 and 3, and the photoelectric conversion rate of the prepared power generation building material is 14.8%.
FIG. 1 shows an I-V curve of the power generation building material prepared by the scheme.
Example 2
The power generation building material has a glass substrate and a thickness of 2.0 mm. And cleaning the glass substrate, and sequentially preparing a WTi barrier layer, a Mo electrode, a copper-zinc-selenium-sulfur film layer, a cadmium sulfide buffer layer, intrinsic zinc oxide and an AZO light-transmitting front electrode on the glass substrate to form the CZTSe solar cell. The positive and negative electrodes of the solar cell are led out by screen printing of a current collecting grid line, arrangement of a bus bar and the like, and are electrically connected with the positive and negative electrodes of the power generation building material. And then PVB and glass are arranged on the CZTSe solar cell to serve as a blocking layer, and finally a 0.01mm surface layer is prepared on the blocking layer in a printing mode. And standing the prepared surface layer at 60 ℃ for 0.1s to be completely cured to obtain the power generation building material.
The surface layer comprises the following raw materials in percentage by weight: according to the weight portion, 45 portions of potassium water glass and 130 portions of filler are adopted, wherein the filler is the mixture of talcum powder, calcium carbonate and kaolin, and the weight ratio is 2: 1: 1. the nano barium sulfate light diffusion agent comprises, by weight, 1 part of polymethyl methacrylate spheres with the diameter of 0.8 mu m and nano barium sulfate, 3 parts of silica gel, 1 part of dodecyl alcohol ester, 6 parts of vinyl triamine, 20 parts of water and 0.2 part of barium sulfate light diffusion agent. 0.5 part of organic silicon and 5 parts of pigment, wherein the pigment comprises carbon black, oxygen, phthalocyanine, benzimidazolone, pyridone, lime and realgar.
The structures of the prepared power generation building materials are shown in fig. 4 and 5, and the photoelectric conversion rate of the prepared power generation building materials is 5.8%.
Example 3
The power generation building material has a substrate of ceramic tile and a thickness of 8.0 mm. Cleaning and drying the ceramic tile, attaching a commercial CdTe solar cell chip to the surface of the ceramic tile in a laminating and packaging mode, preparing a 5-micron silicon dioxide barrier layer on the surface of the solar cell chip, and connecting a chip electrode with a power generation building material electrode. And finally, preparing a 3mm surface layer on the barrier layer by adopting a mechanical spraying mode. And standing the prepared surface layer at 50 ℃ for 4 hours to be completely cured to obtain the power generation building material.
The material proportion of the building material surface layer is as follows: the raw materials comprise base materials, fillers, additives and the like; the base material accounts for 60 parts, the filler accounts for 18 parts, and the auxiliary agent accounts for 3.8 parts by weight. The base material comprises fluorocarbon resin; the filler comprises wollastonite powder, quartz powder and bentonite, and the weight ratio is 1: 1.5: 0.8; the auxiliary agent comprises 0.2 part of dimethyl sulfoxide, 1.1 parts of sodium polycarboxylate, 0.3 part of emulsified silicone oil, 1.5 parts of dodecyl alcohol, 0.2 part of o-phenylphenol and 0.5 part of methyl cellulose. The surface layer raw material also comprises 5 parts of pigment, wherein the pigment comprises iron oxide yellow, chrome yellow, iron blue, pearl silver, isoindoline, anthrapyrimidine and acetoacetyl arylamine; polystyrene balls with the diameter of 1 mu m and 5 parts of nano barium carbonate.
The structures of the prepared power generation building materials are shown in fig. 6 and 7, and the photoelectric conversion rate of the prepared power generation building materials is 13.8%.
Example 4
The power generation building material has a base polytetrafluoroethylene plate with the thickness of 3.0 mm. And cleaning and drying the polytetrafluoroethylene plate, attaching a commercial CIGS solar cell module to the surface of the polytetrafluoroethylene plate in a laminating and packaging mode, and connecting a module electrode with a power generation building material electrode. Since the surface of the commercial CIGS solar cell module is provided with PVB and glass, the CIGS solar cell module can be used as a barrier layer. And finally, preparing a 1mm surface layer on the barrier layer by adopting a manual spraying mode. And standing the prepared surface layer at 30 ℃ for 20 hours to be completely cured to obtain the power generation building material.
The material proportion of the building material surface layer is as follows: the raw materials comprise 75 parts by weight of sodium silicate and 112 parts by weight of filler, wherein the filler is a mixture of wollastonite powder, aluminum silicate and kaolin, and the weight ratio of the filler is 3: 2: 5, 3 parts of polymethyl methacrylate and nano titanium dioxide, 0.1 part of organic silicon resin, 5 parts of methyl cellulose, 5 parts of dodecyl alcohol ester, 6 parts of m-phenylenediamine, 14 parts of water, 0.8 part of polymethyl methacrylate balls with the diameter of 1 mu m and nano barium carbonate, and 10 parts of pigment, wherein the pigment comprises lime green, iron oxide red, iron oxide yellow, iron blue, pearl silver and pearl gold.
The structures of the prepared power generation building materials are shown in fig. 8 and fig. 9, and the photoelectric conversion rate of the prepared power generation building materials is 13.1%.
Example 5
A power generation building material is characterized in that a substrate is an aluminum nitride ceramic plate, and the thickness of the aluminum nitride ceramic plate is 5.0 mm. Cleaning and drying the aluminum nitride ceramic plate, attaching a commercially available monocrystalline silicon solar cell module to the surface of the aluminum nitride ceramic plate in a laminating and packaging mode, and connecting a module electrode and a power generation building material electrode. Since the surface of the commercially available monocrystalline silicon solar cell module is provided with PVB and ETFE, the monocrystalline silicon solar cell module can be used as a barrier layer. And finally, preparing a 5mm surface layer on the barrier layer by adopting a pulp flow mode. And standing the prepared surface layer at-10 ℃ for 72 hours to be completely cured to obtain the power generation building material.
The surface layer comprises base material, filler, auxiliary agent and pigment; the base material accounts for 70 parts, the filler accounts for 10 parts, the auxiliary agent accounts for 6 parts, and the pigment accounts for 1 part by weight. The base material adopts fluorocarbon resin; the pigment adopts chrome yellow, iron blue, pearl silver, pearl gold, phthalocyanine, benzimidazolone and pyridone; the filler comprises quartz powder and precipitated barium sulfate; the auxiliary agent comprises 0.4 part of glycerol, 1.0 part of sodium polycarboxylate, 0.4 part of polyoxyethylene polyoxypropylene amine ether, 2 parts of dodecyl alcohol, 0.1 part of ammonium persulfate, 0.6 part of hydroxypropyl methyl cellulose, and 2 parts of polystyrene balls with the diameter of 2 mu m and nano silicon dioxide. The structures of the prepared power generation building materials are shown in fig. 10 and fig. 11, and the photoelectric conversion rate of the prepared power generation building materials is 15.9%.
Example 6
The power generation building material has a glass substrate and a thickness of 3.0 mm. The surface of the module is cleaned by taking a commercially available monocrystalline silicon solar cell module, and the commercially available polycrystalline silicon solar cell module can be used as a barrier layer due to the arrangement of PVB and glass on the surface. And finally preparing a 2mm surface layer on the barrier layer by adopting a manual blade coating mode. And standing the prepared surface layer at 40 ℃ for 15 hours to be completely cured to obtain the power generation building material.
The surface layer comprises the following raw materials in percentage by weight: the mother solution comprises, by weight, 800 parts of deionized water, 0.3 part of an A151 crosslinking agent, 2 parts of 250HBR cellulose, 0.5 part of a 5040 dispersing agent, 3 parts of an AMP-95 multifunctional auxiliary agent, 1 part of an M30 bactericide, 15 parts of an R103 forming agent, 6 parts of ethylene glycol, 8 parts of a C-12 film-forming auxiliary agent, 0.1 part of a nano-silica light diffusing agent, 28 parts of a nonsoap polymerized silicone-acrylic emulsion, 70 parts of a self-crosslinking silicone-acrylic emulsion formed by copolymerizing a core-shell structure and 110 parts of an organic silicon grafted acrylate emulsion, and the surface layer raw material further comprises a pigment, wherein the pigment is iron oxide yellow, chrome yellow, iron blue phthalocyanine, benzimidazolone, isoindoline and anthrapyrimidine, and the total part is 1 part. The surface layer material also comprises polystyrene balls with the diameter of 2 mu m and 7 parts of nano calcium carbonate. The structures of the prepared power generation building materials are shown in fig. 12 and 13, and the photoelectric conversion rate of the prepared power generation building materials is 17.9%.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of them shall fall within the scope of the claims of the present invention.
Claims (5)
1. The power generation building material is characterized by comprising a surface layer, a photoelectric conversion device, a base layer and an electrode;
the photoelectric conversion device is provided with a first surface and a second surface; the first surface is a light receiving surface; the photoelectric conversion device is electrically connected with the electrode;
the substrate layer is an engineering structure plate and is attached to the second surface of the photoelectric conversion device;
the surface layer is attached to a first surface of the photoelectric conversion device, which is far away from the base layer; the surface layer is made of an optical regulation material;
the electrodes are arranged at the bottom and/or the side edges of the power generation building material;
the photoelectric conversion device sequentially comprises a photogenerated hole collection back electrode, a photogenerated carrier layer, a photogenerated electron collection front electrode and a blocking layer, wherein the photogenerated hole collection back electrode and the photogenerated electron collection front electrode are provided with a current collection device, and the current collection device is electrically connected with the electrodes.
2. The power generation building material according to claim 1, wherein the thickness of the surface layer is 0.01 to 5 mm.
3. The power generating building material of claim 1, wherein the barrier layer comprises one or more of a ceramic film, a high molecular polymer, and a high molecular polymer/glass composite film.
4. The power generating building material of claim 1, wherein the engineered structural boards comprise one or more of glass, metal sheets, cement-based fiber boards, flexible plastic films, and ceramic tiles.
5. The power generation building material of claim 1, wherein the electrodes comprise at least a pair of positive and negative electrodes and at least one bypass diode, and the electrodes are connected to the system circuit by means of a jack, plug or/and junction box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920173536.1U CN210086700U (en) | 2019-01-31 | 2019-01-31 | Power generation building material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920173536.1U CN210086700U (en) | 2019-01-31 | 2019-01-31 | Power generation building material |
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| CN210086700U true CN210086700U (en) | 2020-02-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707126A (en) * | 2019-01-31 | 2019-05-03 | 光之科技发展(昆山)有限公司 | A kind of power generation building materials and preparation method thereof |
| CN117107982A (en) * | 2022-10-09 | 2023-11-24 | 远东幕墙(珠海)有限公司 | A lightweight building material that can generate electricity |
-
2019
- 2019-01-31 CN CN201920173536.1U patent/CN210086700U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707126A (en) * | 2019-01-31 | 2019-05-03 | 光之科技发展(昆山)有限公司 | A kind of power generation building materials and preparation method thereof |
| CN109707126B (en) * | 2019-01-31 | 2024-05-14 | 光之科技发展(昆山)有限公司 | Power generation building material and preparation method thereof |
| CN117107982A (en) * | 2022-10-09 | 2023-11-24 | 远东幕墙(珠海)有限公司 | A lightweight building material that can generate electricity |
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