CN109801989A - A kind of power generation building materials and preparation method thereof - Google Patents

A kind of power generation building materials and preparation method thereof Download PDF

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Publication number
CN109801989A
CN109801989A CN201910098347.7A CN201910098347A CN109801989A CN 109801989 A CN109801989 A CN 109801989A CN 201910098347 A CN201910098347 A CN 201910098347A CN 109801989 A CN109801989 A CN 109801989A
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China
Prior art keywords
building materials
power generation
layer
protective layer
solar cell
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CN201910098347.7A
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CN109801989B (en
Inventor
张亚飞
张冷
张伟
李永武
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Guangzhi Science And Technology Development (kunshan) Co Ltd
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Guangzhi Science And Technology Development (kunshan) Co Ltd
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Priority to CN201910098347.7A priority Critical patent/CN109801989B/en
Publication of CN109801989A publication Critical patent/CN109801989A/en
Priority to US17/427,514 priority patent/US20220140773A1/en
Priority to CA3131439A priority patent/CA3131439A1/en
Priority to KR1020217027076A priority patent/KR20210122270A/en
Priority to EP19912647.5A priority patent/EP3920241A4/en
Priority to JP2021544514A priority patent/JP7328341B2/en
Priority to PCT/CN2019/104876 priority patent/WO2020155628A1/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/542Dye sensitized solar cells

Abstract

The invention discloses a kind of power generation building materials and preparation method thereof.The power generation building materials include building materials facing protective layer, photoelectric conversion layer and building materials basal layer;It is 10%~85% that the building materials facing protective layer is weighted and averaged transmitance in 300nm~1300nm wave-length coverage.The method that the present invention prepares power generation building materials mainly includes the following steps: each film layer needed for preparing composition solar cell on the surface of basal layer after cleaning in succession, draw positive and negative anodes, then barrier layer is prepared on solar cell, and photoelectric conversion layer is constituted together with solar cell;Building materials facing protective layer is prepared on the light transmitting surface of photoelectric conversion layer, the building materials facing protective layer is solidified by the liquid material for being coated in the light transmitting surface of photoelectric conversion layer to be made.The power generation building materials have the skin texture and quality of building materials, abundant expression forms multiplicity, and the appearance for being installed on building will not change architectural style and urban landscape, have broad application prospects.

Description

A kind of power generation building materials and preparation method thereof
Technical field
The invention belongs to photovoltaic arts, and in particular to a kind of power generation building materials and preparation method thereof.
Background technique
Wind energy, solar energy, ocean energy, geothermal energy etc. are the new energy that can be utilized at present by people, and Workplace is all provided with On the few suburb of meagrely-populated, energy consumption, desert or ocean, and in population concentration, the huge city of energy consumption then The fresh utilization for seeing new energy less.This aspect be because new energy distribution do not concentrate, as wind energy, ocean energy, geothermal energy collection Middle distributed areas are not suitable for human living;On the other hand be then by new energy utilization form it is incomplete, not reasonable cause , if distribution of solar energy is extensive, also there are a large amount of available solar energy in the big city of the density of population.City and the sun at present The major way that can be combined is Photovoltaic Building Integration (BIPV), but depth is generally presented in photovoltaic module used by conventional BIPV Unsightly, requirement of the building to aesthetics is not achieved in blue, grey, black, color, texture, skin texture, it is difficult to it is merged with building, These disadvantages limit photovoltaic module being widely used in the field of construction.
Based on this, patent application CN200420085961 is using different-thickness and the optics antireflective film of type, so that crystal Different colours are presented in silicon solar cell;Light is added in patent application CN201020272089 between substrate of glass and transparent conductive film Media coating is learned, so that optical medium film layer and clear glass substrate, transparent conductive film, amorphous silicon film is formed one can be to the sun The passive filters system of spectrum progress selective reflecting and absorption.When incident angle changes, the color of cladding glass can be sent out Changing, i.e., the cladding glass color seen from a front surface and a side surface are different.Patent application CN201220200568 exists Under the premise of not changing cell piece, the color by changing EVA or PVB glue film reaches the matching with building color.
Although it is colored that above-mentioned patent can be such that photovoltaic module presents, the application range of photovoltaic module, said modules are widened Color is still single, and these photovoltaic modulies still use tempered glass as packaging protection surface layer, are made by mirror-reflection Still exist at light pollution such as flash of light, dizziness.Therefore, above-mentioned photovoltaic module still can not be used largely in the field of construction.
Summary of the invention
For drawbacks described above existing for existing photovoltaic module, the object of the present invention is to provide a kind of and marbles, granite The power generation building materials of the same skin texture and appearance are presented in equal lithotomes, and power generation building materials is made to be no longer limited to the glass of conventional photovoltaic component Texture and single color.By changing formula, preparation process and the thickness of this power generation building materials facing protective layer, can to send out The colorful appearance and skin texture abundant that various people want is presented in electric construction material.This power generation building materials can not destroy outside building It sees and utilizes solar power generation while style, have broad application prospects.
The specific technical solution of the present invention is as follows:
A kind of power generation building materials, the power generation building materials are the construction material for having light generating function;The power generation building materials are at least Including building materials facing protective layer, photoelectric conversion layer and building materials basal layer;The building materials facing protective layer have building materials skin texture and Quality, and it is 10%~85% that the building materials facing protective layer is weighted and averaged transmitance in 300nm~1300nm wave-length coverage.
Preferably, the building materials facing protective layer raw material includes mother liquor and filler pigment.The mother liquor includes organic Silicon emulsion, aqueous silicate solution, polyaminoester emulsion, polyacrylate emulsion, containing in carbon-fluorine bond emulsion polymerization It is one or more;
The filler pigment can use inorganic pigment, including carbonate, oxide, sulfide, selenides, sulfate, One of silicate, ferrocyanide, chromate, molybdate and mixed oxide are a variety of;
The filler pigment can also use organic pigment, including phthalocyanine, azo and one or more of polycyclic.
Preferably, in the building materials facing protective layer raw material can also include a small amount of nano particle, quantum dot and One or more of graphene.
It is further preferred that the nano particle includes inorganic light diffusing agent and/or organic light diffusing agent.
Preferably, by weight, the building materials facing protective layer raw material accounts for 143~296 parts using mother liquor, filling Pigment accounts for 1~10 part.
It is further preferred that the mother liquor includes 30~90 parts of waterglass, 90~160 parts of filler, defoaming agent 0.1~ 0.5 part, 3~5 parts of thickener, 1~5 part of coalescing agent, 5~9 parts of curing agent and 14~27 parts of water.The fluent material of selected mother liquor Curing mechanism include in air absorbing carbon dioxide form amorphous silicic salt and gradual drying and solidify.
It is further preferred that the pigment includes inorganic pigment and organic pigment, inorganic pigment includes natural minerals pigment And/or artificial pigment, natural minerals pigment include malachite green, carbon black, mica, coral, realgar, artificial pigment include iron oxide red, Iron oxide yellow, titanium white, chrome yellow, barba hispanica, pearly-lustre silver, pearly-lustre gold;The organic pigment includes azo pigments, phthalocyanine color, three virtues One or more of methane pigment and polycyclic pigment;The waterglass includes sodium silicate and potassium water glass, the filler packet Include white carbon black, kaolin, powdered whiting, precipitated calcium carbonate, wollastonite in powder, talcum powder, silica flour, mica powder, alumina silicate, sulphur One or more of sour barium, bentonite;The defoaming agent includes lower alcohols, mineral oils, one of organic siliconresin Or it is several;The thickener includes one or more of Silica hydrogel, methylcellulose and hydroxypropyl methyl cellulose;It is described at Film auxiliary agent includes Lauryl Alcohol ester;Curing agent includes vinyl triamine, m-phenylene diamine (MPD) m-PDA.
Preferably, by weight, 75~115 parts are accounted for using mother liquor, pigment accounts for 1~5 part.
It is further preferred that by weight, the mother liquor includes base-material, filler and auxiliary agent;Base-material accounts for 50~70 parts, fills out Material accounts for 5~15 parts, and auxiliary agent accounts for 3~6 parts.
It is further preferred that the base-material includes fluorocarbon resin;Pigment includes natural minerals pigment and/or artificial pigment, Natural minerals pigment includes one or more of malachite green, carbon black, mica, coral and realgar, artificial pigment include iron oxide red, One or more of iron oxide yellow, titanium white, chrome yellow and barba hispanica;Filler include white carbon black, kaolin, calcium carbonate, wollastonite in powder, One or more of talcum powder, silica flour, mica powder, alumina silicate, barium sulfate and bentonite;Auxiliary agent includes wetting agent, dispersion Agent, defoaming agent, coalescing agent, mould inhibitor and thickener.
It is further preferred that the wetting agent includes glycerol and/or dimethyl sulfoxide;Dispersing agent includes polycarboxylate sodium And/or ammonium polyacrylate salt;The defoaming agent includes silicone emulsion, polyoxyethylene polyoxypropylene pentaerythrite ether and polyoxyethylene The one or more of polyoxy propyl alcohol amidogen ether;The coalescing agent includes 12 carbon ester alcohols;The mould inhibitor includes calcium propionate, over cure One or more of sour ammonium and o-phenyl phenol;The thickener is Silica hydrogel, methylcellulose and hydroxypropyl methyl fiber One or more of element;
Preferably, the protective layer used raw material of facing is prepared based on mother liquor, is aided with pigment.By weight, it is used Mother liquor accounts for 140~200 parts, and pigment accounts for 1~10 part.
It is further preferred that by weight, the mother liquor includes 600~800 parts of deionized water, crosslinking agent 0.1~1 Part, 2~5 parts of cellulose, 0.5~3 part of dispersing agent, 0.5~3 part of multifunctional assistant, 1~4 part of fungicide, forming agent 15~30 Part, 2~6 parts of ethylene glycol, 8~10 parts of coalescing agent, soap-free polymerization 15~28 parts of silicone acrylic emulsion, nucleocapsid structure be copolymerized 70~110 parts of self-crosslinking silicopropyl emulsion and 50~110 parts of organosilicon grafted acrylate lotion.
It is further preferred that the pigment includes 5~14 parts of inorganic pigment, the inorganic pigment includes natural minerals pigment And/or artificial pigment, natural minerals pigment include one or more of malachite green, carbon black, mica, coral and realgar, artificial face Material includes one or more of iron oxide red, iron oxide yellow, titanium white, chrome yellow and barba hispanica.
It is further preferred that by weight, organic pigment may be selected in the pigment, 5~15 parts of organic pigment, described to have Machine pigment includes one or more of azo pigments, phthalocyanine color, triaryl methane pigment and polycyclic pigment.
It is further preferred that further include sandstone powder in facing protection layered material, the sandstone powder include quartz sand, The one or more of kaolin, marble powder and white marble powder.
Preferably, the pigment of use includes heat discoloration pigment and/or sensitization discoloration pigment.
Preferably, the building materials facing protective layer thickness is 0.01~5mm.
Preferably, by deploying thickness, formula and the preparation process of building materials facing protective layer, the building materials facing is protected It is 10%~85% that sheath is weighted and averaged transmitance in 300nm~1300nm wave-length coverage.
Preferably, building materials facing protective layer water absorption rate≤8%, 50 time Frozen-thawed cycled is not in without destruction It bursts and crackle, artificial weathering ageing resistance >=600h, stain resistance≤20%, chemical corrosion resistance complies with standard, washability Property >=1000 times, adhesive force >=1MPa between building materials facing protective layer and electric layer, the Mohs' hardness of building materials facing protective layer >=3, reach the performance indexes of conventional building materials.
Preferably, the power generation building materials basal layer is common building materials, and the common building materials water absorption rate exists 0.5% hereinafter, include one of glass, metal plate, cement base fiberboard, flexible plastic film and ceramic tile, photoelectric conversion layer Directly deposited on building materials basal layer.
Preferably, photoelectric conversion layer includes thin film solar cell and barrier layer.
Preferably, thin film solar cell used in the photoelectric conversion layer, including CIGS solar cell, GaAs Solar cell, amorphous silicon solar cell, cadmium-Te solar battery, dye-sensitized solar cells, copper-zinc-tin-sulfur solar cell and calcium One or more of titanium ore solar cell.
Preferably, the barrier layer of the power generation building materials photoelectric conversion layer includes that ceramic membrane, ethene-vinyl acetate are total Polymers (EVA), polyvinyl butyral (PVB), polyethylene-butene copolymer (POE), silica gel, polyethylene (PE), polyethylene- TFE copolymer (ETFE), fluorinated ethylene propylene copolymer (FEP), polyvinylidene fluoride (PVDF), poly terephthalic acid One or more of second diester (PET), glass, organic glass (PMMA), polycarbonate (PC).
Wherein, when the barrier layer only has ceramic membrane;
The ceramic membrane includes oxide and/or nitride.The oxide includes silica, zinc oxide and titanium oxide One or more of;The nitride includes aluminium nitride and/or silicon nitride.
Wherein, when the barrier layer includes EVA, PVB, POE or silica gel, the barrier layer further includes cephacoria;Cephacoria packet Include glass, high molecular material;
Preferably, the high molecular material includes one in PMMA, PC, ETFE, PVDF, FEP, PET and PET/PE Kind is several.
Preferably, the ceramic membrane with a thickness of 0.4~100 μm.
Preferably, the ceramic membrane can be prepared using one of sputtering method, chemical vapour deposition technique method It obtains.
Preferably, the power generation building materials include at least a pair of positive and negative, and the electrode is set to basal layer or hair The side of electric construction material.
Preferably, the power generation building materials can be used for outer surface of building, the power generation building materials with a thickness of 5mm~ 30mm。
The power generation building materials pass through 200 thermal cycles in thermal cycle test, and power generation building materials incident photon-to-electron conversion efficiency is unchanged; By 10 circulations in wet jelly test, power generation building materials incident photon-to-electron conversion efficiency is unchanged;Pass through 1000h in damp and hot test, power generation is built Material incident photon-to-electron conversion efficiency is unchanged;In the power generation building materials insulation voltage-withstand test, less than 50 microamperes, insulation resistance is greater than leakage current 50 megaohms.
The present invention also provides a kind of preparation methods of any of the above-described power generation building materials, include the following steps:
1) building materials basal layer is taken, is cleaned by standard cleaning technique, is prepared in succession on the surface of basal layer after cleaning Each film layer needed for constituting solar cell draws positive and negative anodes;
2) barrier layer is then prepared on solar cell, photoelectric conversion layer is constituted together with solar cell;
3) building materials facing protective layer is prepared on the light receiving surface of photoelectric conversion layer, the building materials facing protective layer is by coating It is made in the liquid material solidification of photoelectric conversion layer light-receiving surface.
Preferably, standard cleaning process flow described in step 1) is as follows:
Feeding → cleaning agent round brush washes → and pure water round brush washes → ultrasound → BJ spray → pure water spray → pure water rinsing → wind Knife drying → blanking.
Wherein, cleaning process parameter is as follows: (1) cleaning agent round brush is washed: round brush revolving speed is 400r/min, is sprayed up and down For hydraulic pressure control in 1.0~1.3MPa, the volume ratio of cleaning agent and deionized water is 1:9.(2) pure water round brush is washed: round brush revolving speed is 400r/min sprays hydraulic pressure control in 0.5~1.0MPa up and down.(3) ultrasonic section: supersonic frequency is fixed as 18kHz, ultrasonic section Water must submerge substrate.(4) BJ spray section: BJ spray head must be with transmission direction at 30 °, and hydraulic pressure control is on 0.4MPa, air pressure palpus More than or equal to 0.6MPa.(5) pure water spray section: upper and lower spray pressure control is between 0.4~0.8MPa.(6) pure water rinsing section: Upper and lower spray pressure control is between 0.2~0.4MPa.(7) air knife section: the pressure of air knife should be higher than that 0.6MPa.(8) blanking: base It must go to destatic after piece drying.
Preferably, the building materials facing protective layer can use hand spray, automatic spraying, brushing, spin coating, beat Liquid material is prepared on photoelectric conversion layer by print, printing, stream slurry, round brush, blade coating or the method for coating.
Preferably, solidification temperature described in step 4) is -10oC~100oC, and curing time is 0.1s~72h.
Compared with prior art, present invention has an advantage that
1) power generation building materials provided by the invention are other than having the function using solar power generation, also with the skin texture of building materials And quality, overcome completely conventional photovoltaic assemblies glistened due to caused by mirror-reflection, the light pollution such as dizziness the shortcomings that.
2) power generation building materials provided by the invention can according to need the design and color of design building materials facing protective layer, power generation Building materials have colourful appearance, reach and merge with the height of Modern City Building art, have broad application prospects.
3) the building materials facing protective layer that the present invention uses will not cause to damage since solidification temperature is low to solar module Wound, and preparation process is simple, and low energy consumption and pollution-free, and product cost is low.
4) the building materials facing protective layer prepared by the present invention not only has with photoelectric conversion layer compared with strong adhesive force, preferable wear-resisting Performance, stronger corrosion resistance reach the weatherability requirement of common building exterior wall building materials, and long service life is common much larger than at present The service life of photovoltaic module.
Detailed description of the invention
Fig. 1 is the photo in kind of the prepared power generation building materials of the present invention;
Fig. 2 is the I-V curve of the prepared power generation building materials of embodiment 1;
Fig. 3 is present invention power generation construction material structure figure (containing ceramic membrane), 1 building materials facing protective layer;2 be photoelectric conversion layer;3 For building materials basal layer;
Fig. 4 is the side block diagram of power generation building materials shown in Fig. 1, and 1 is building materials facing protective layer;2-1 is ceramic membrane;2-2 For solar cell layer;2*2 is negative electrode face;2*3 is positive electrode face;E1 is to draw negative electrode;E2 is to draw positive electrode;3 be base Bottom;
Fig. 5 is present invention power generation construction material structure figure (containing cephacoria and glue film), and 1 is building materials facing protective layer;2 be photoelectric conversion Layer;3 be building materials basal layer;
Fig. 6 is the side block diagram of power generation building materials shown in Fig. 3, and 1 is building materials facing protective layer;2-1 is cephacoria;2-2 is glue Film;2-3 is solar cell layer;2*2 is negative electrode face;2*3 is positive electrode face;E1 is to draw negative electrode;E2 is to draw positive electrode; 3 be building materials basal layer;
Specific embodiment
Below with reference to attached drawing, the present invention will be further explained, be used only as explanation of the invention and simultaneously It is unrestricted.
Fig. 3 and Fig. 4 are referred to, it illustrates a kind of power generation construction material structure figures.
The building materials that generate electricity include building materials facing protective layer, photoelectric conversion layer and building materials basal layer.
The building materials basal layer includes one in glass, metal plate, cement base fiberboard, flexible plastic film or ceramic tile Kind.
The photoelectric conversion layer includes copper indium gallium selenide (CIGS) solar cell, GaAs (GaAs) solar cell, amorphous silicon Solar cell, cadmium telluride (CdTe) solar cell, dye-sensitized solar cells, copper-zinc-tin-sulfur (CZTS) solar cell or perovskite Solar cell.
The building materials facing protective layer be weighted and averaged in 300nm~1300nm wave-length coverage transmitance be 10%~ 85%.The facing protective layer thickness is 0.01~5mm, and thicker building materials facing protective layer can bring preferable protection effect Fruit, but will lead to transmitance reduction.
Embodiment 1
A kind of power generation building materials, building materials basal layer are flexible stainless steel foil, with a thickness of 0.2mm, are provided with photoelectricity and turn Change layer, and passes through conducting wire extraction electrode.Building materials facing protective layer is provided on photoelectric conversion layer.
Photoelectric conversion layer preparation method is specific as follows:
It is put into magnetron sputter after flexible stainless steel foil substrate is cleaned up.To prevent in stainless steel element to the sun It is spread in battery, first sputters the barrier layer WTi that a layer thickness is 0.5 μm.Working gas is Ar gas, sputtering pressure 0.7Pa, sheet Bottom vacuum is 2.0 × 10-3Pa, substrate does not heat when sputtering.Mo film is prepared using Sanya layer process, first layer sputtering pressure is 1.5Pa, second layer sputtering pressure are 0.6Pa, and third layer sputtering pressure is 1.5Pa.Pass through sputtering method deposition of thick on Mo film The CIGS thin film that degree is 1.2 μm, sputtering pressure 0.7Pa, base vacuum are 1.5 × 10-3Pa is then carried out at selenized annealing Reason.CIGS thin film after selenizing is placed in cadmium sulfate, in the mixed solution of thiocarbamide and ammonium hydroxide, deposits 50nm CdS.Then it weighs Newly CIGS thin film is placed in sputtering chamber, working gas uses O2+ Ar, sputtering pressure 0.7Pa, base vacuum be 2.0 × 10-3Pa, base reservoir temperature is 200oC when sputtering, respectively deposition intrinsic ZnO film and AZO film.Finally deposited again using evaporation CIGS thin film solar panel flexible is made in NiAl grid.Then, depositing a layer thickness by radio frequency sputtering method is 3 μm The barrier layer of aluminium nitride, ultimately forms photoelectric conversion layer.
Building materials facing protective layer raw material proportioning are as follows: calculate by weight, mother liquor accounts for 155 parts, and pigment accounts for 7 parts, pigment selection Titanium dioxide, ferric oxide red powder, iron oxide yellow, phthalocyanine blue and the chrome oxide green of identical weight.The mother liquor includes deionized water 764 Part, 0.4 part of A1522 crosslinking agent, 3 parts of 250HBR cellulose, 1.5 parts of 5040 dispersing agent, 1.5 parts of AMP-95 multifunctional assistant, M30 2.5 parts of fungicide, 21 parts of R103 forming agent, 4 parts of ethylene glycol, 9.5 parts of C-12 coalescing agent, 0.1 part of organosilicon light diffusing agent, half 0.02 part of conductor indium cerium quantum dot, 0.001 part of graphene, soap-free polymerization 21 parts of silicone acrylic emulsion, nucleocapsid structure be copolymerized 90 parts of self-crosslinking silicopropyl emulsion and 70 parts of organosilicon grafted acrylate lotion.The protection of building materials facing is prepared using Method of printing Layer.Prepared building materials facing protective layer thickness is 0.5mm.The sample of building materials facing protective layer is prepared in 100 DEG C of solidification 0.1s, Obtain the power generation building materials.
The structure of the prepared power generation building materials of embodiment 1 is as shown in Figure 3 and Figure 4, the optoelectronic transformation efficiency of prepared power generation building materials It is 12.3%.
Being illustrated in figure 2 the prepared power generation building materials of embodiment 1 is I-V curve.
Embodiment 2
A kind of power generation building materials, substrate is provided with photoelectric conversion layer for glass with a thickness of 2.0mm, and has conducting wire to draw Electrode out.Photoelectric conversion layer preparation process is similar to embodiment 1, except that replacing CIGS using copper zinc tin sulfur selenium film The aftertreatment technology of film, CZTSSe film is changed to selenizing and vulcanization.Barrier layer, barrier layer EVA are provided in battery layers And glass, building materials facing protective layer are prepared by hand spray method.
Building materials facing protective layer raw material proportioning: by weight, 186 parts are accounted for using mother liquor, pigment accounts for 5 parts.The mother of use Liquid includes 45 parts of potassium water glass, and 130 parts of filler, the filler is talcum powder, calcium carbonate is mixed with kaolinic, weight ratio For 2:1:1.The mother liquor further include 0.2 part of organic siliconresin, 3 parts of Silica hydrogel, 1 part of Lauryl Alcohol ester, 6 parts of vinyl triamine, 20 parts and 0.2 part of barium sulfate light diffusing agent of water.5 parts of pigment, including titanium dioxide, ferric oxide red powder, iron oxide yellow, phthalocyanine blue, stone Green and realgar.Prepared facing protective layer thickness is 2mm, and solidification temperature is 20 DEG C, curing time 20h.
The structure of the prepared power generation building materials of embodiment 2 is as shown in Figure 5 and Figure 6, the optoelectronic transformation efficiency of prepared power generation building materials It is 7.3%.
Embodiment 3
A kind of power generation building materials, substrate is provided with photoelectric conversion layer for ceramic tile with a thickness of 8.0mm, and is provided with and leads Line extraction electrode.Photoelectric conversion layer is CdTe solar cell, and barrier layer is provided in battery layers, and barrier layer is PVB and ETFE, Building materials facing protective layer is prepared, on barrier layer with a thickness of 5mm.
Building materials facing protective layer raw material proportioning: by weight, 100 parts are accounted for using mother liquor, pigment accounts for 5 parts.The mother liquor Raw material includes base-material, filler and auxiliary agent;Base-material accounts for 60 parts, and filler accounts for 18 parts, and auxiliary agent accounts for 3.8 parts.The base-material includes fluorine carbon tree Rouge;Pigment includes mica, coral, cadmium red, barba hispanica and organic green;Filler includes wollastonite in powder, silica flour and bentonite, weight ratio For 1:1.5:0.8;Auxiliary agent includes 0.2 part of dimethyl sulfoxide, 1.1 parts of polycarboxylate sodium, 0.3 part of silicone emulsion, 12 carbon ester alcohols 1.5 parts, 0.2 part of o-phenyl phenol and 0.5 part of methylcellulose.
The liquid mixed raw material of facing protective layer is coated to the surface of photoelectric conversion layer with spraying method, and in -10 DEG C of temperature Degree is lower to solidify 72h, obtains the power generation building materials.
The structure of the prepared power generation building materials of embodiment 3 is as shown in Figure 5 and Figure 6, the optoelectronic transformation efficiency of prepared power generation building materials It is 13.7%.
Embodiment 4
A kind of power generation building materials, substrate are polytetrafluoro plate, with a thickness of 5.0mm, are provided with photoelectric conversion layer, photoelectricity turns Change layer is amorphous silicon battery, and is provided with conducting wire extraction electrode.Barrier layer is provided in battery layers, the material of barrier layer is two Silicon oxide film, with a thickness of 5 μm.Silica is obtained by reactive sputtering: vacuum chamber is evacuated to 2.0 × 10-3After Pa, It is sputtered using 600W invariable power, 0.6Pa sputtering pressure, sputtering atmosphere Ar+O2, wherein Ar:O2For 3:1, target is 6N purity Monocrystalline silicon, target-substrate distance 60mm.
Building materials facing protective layer is prepared by printing process.Its raw material proportioning: by weight, using mother liquor 240 parts are accounted for, pigment accounts for 10 parts.The mother liquor of use includes 75 parts of sodium silicate, and 112 parts of filler, the filler is wollastonite in powder, silicon Sour aluminium, kaolinic mixing, weight ratio 3:2:5.Mother liquor further includes 0.1 part of organic siliconresin, 5 parts of methylcellulose, ten Two 5 parts of carbon alcohol esters, 6 parts of m-phenylene diamine (MPD), 14 parts of water and 0.05 part of organosilicon light diffusing agent, the pigment are 10 parts of phthalocyanine color. Facing protective layer thickness obtained is 1mm, has prepared the sample of building materials facing protective layer at a temperature of 50oC, solidifies 2h, obtains Generate electricity building materials.
The structure of the prepared power generation building materials of embodiment 4 is as shown in Figure 3 and Figure 4, the optoelectronic transformation efficiency of prepared power generation building materials It is 8.3%.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng It is described the invention in detail according to embodiment, those skilled in the art should understand that, to technical side of the invention Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention Scope of the claims in.

Claims (10)

1. a kind of power generation building materials, the power generation building materials are the construction material for having light generating function, which is characterized in that the power generation Building materials include building materials facing protective layer, photoelectric conversion layer and building materials basal layer;The building materials facing protective layer has the flesh of building materials Reason and quality, and the building materials facing protective layer be weighted and averaged in 300nm~1300nm wave-length coverage transmitance for 10%~ 85%.
2. power generation building materials according to claim 1, which is characterized in that the building materials facing protective layer raw material include mother liquor with Filler pigment;
The mother liquor include organic silicon emulsion, aqueous silicate solution, polyaminoester emulsion, polyacrylate emulsion, containing carbon-fluorine bond One of emulsion polymerization is a variety of;
The filler pigment uses inorganic pigment, including carbonate, oxide, sulfide, selenides, sulfate, silicate, Asia One of the iron cyanide, chromate and molybdate are a variety of;
The filler pigment uses organic pigment, including phthalocyanine, azo and one or more of polycyclic.
3. power generation building materials according to claim 1, which is characterized in that the building materials facing protective layer thickness be 0.01~ 5mm。
4. power generation building materials according to claim 1, it is characterised in that: building materials facing protective layer water absorption rate≤8%, it is resistance to Artificial weathering aging >=600h, stain resistance≤20%, abrasion resistance >=1000 time, building materials facing protective layer and electric layer it Between adhesive force >=1MPa, Mohs' hardness >=3 of building materials facing protective layer.
5. power generation building materials according to claim 1, which is characterized in that the building materials basal layer is construction material, described to build Material water absorption rate is built below 0.5%.
6. power generation building materials according to claim 1, which is characterized in that the photoelectric conversion layer include thin film solar cell and Barrier layer, the thin film solar cell include CIGS solar cell, gallium arsenide solar cell, amorphous silicon solar cell, tellurium Cadmium solar cell, dye-sensitized solar cells, copper-zinc-tin-sulfur solar cell or perovskite solar cell.
7. power generation building materials according to claim 1, which is characterized in that the power generation building materials include at least a pair of positive negative electricity Pole.
8. a kind of method for preparing power generation building materials as claimed in claim 1 to 7, includes the following steps:
1) it takes building materials basal layer to be cleaned, is prepared in succession on the surface of building materials basal layer needed for constituting solar cell after cleaning Each film layer, draw positive and negative anodes;
2) barrier layer is then prepared on solar cell, photoelectric conversion layer is constituted together with solar cell;
3) building materials facing protective layer is prepared on the light receiving surface of photoelectric conversion layer, the building materials facing protective layer is by being coated in light The liquid material solidification of the light receiving surface of electrotransformation layer is made.
9. according to the method described in claim 8, it is characterized in that, the preparation method of the building materials facing protective layer includes by hand Spraying, automatic spraying, brushing, spin coating, printing, printing, stream slurry, round brush, blade coating or coating.
10. according to the method described in claim 8, it is characterized in that, the solidification temperature of the building materials facing protective layer is -10 DEG C ~100 DEG C, curing time is 0.1s~72h.
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