CN101898869B - Preparation method of composite sol and method for producing solar battery packaging glass by using same - Google Patents
Preparation method of composite sol and method for producing solar battery packaging glass by using same Download PDFInfo
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- CN101898869B CN101898869B CN2010102437560A CN201010243756A CN101898869B CN 101898869 B CN101898869 B CN 101898869B CN 2010102437560 A CN2010102437560 A CN 2010102437560A CN 201010243756 A CN201010243756 A CN 201010243756A CN 101898869 B CN101898869 B CN 101898869B
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Abstract
The invention relates to a preparation method of composite sol and a method for producing solar battery packaging glass by using the composite sol. The preparation method of composite sol comprises the following steps of: mixing silica-alkoxides, water, basic catalysts and alcohol organic solvents in the volume ratio of 1-100: 0.1-10: 0.01: 1:3-300 to obtain A; adjusting the pH of the A to 8-10; adding inhibitors and dispersing agents in the A and then ageing 1d-10d to obtain a first sol; adding acidic catalysts, the inhibitors and stabilizers in the first sol to form B; adjusting the PH of the B to 2-5; adding metal alkoxides or metal salts in the B and then ageing 5d-20d to obtain a second sol; dissolving the second sol, aqueous silane coupling agents and wetting flatting agents for coatings in mixed environmental-protection solvents and then stirring at least for 0.5h to prepare the compound sol. The preparation method of the composite sol has the advantages of simple process and low cost and can greatly reduce the cost of a coating material used in plating anti-reflection films, and the composite sol coating material basically has no water absorbency so that the prepared anti-reflection films keep higher light transmittance.
Description
Technical field
The present invention relates to solar energy photoelectric conversion glass technology for making field, particularly relate to a kind of preparation method of complex sol and make the method for packaging glass of solar cell with it.
Background technology
In secular energy strategy, solar energy power generating has prior status in many renewable energy sources such as solar energy thermal-power-generating, wind-power electricity generation, ocean power generation, biomass power generation.
In the prior art, solar photovoltaic generation system mainly is made up of solar module, and the solar energy photoelectric conversion in solar module generally all is to realize through the absorption of silicon chip to solar spectral.With the crystalline silicon solar cell modules is example, and the theoretical efficiency of sun power has only about 30 ﹪, and the laboratory top efficiency is 24.7 ﹪ at present, and what efficient was best in commercially producing is U.S. SUNPOWER company, about average 21 ﹪.At present, at the electricity conversion of silicon chip progressively under the situation near theoretical limit, raise the efficiency not only from battery preparation technique and will pay bigger cost, and it is also little to improve the space of solar battery efficiency, has been difficult to improve further.Therefore, how can improve the transmittance of packaging glass of solar cell, make more solar energy arrive silicon chip and be absorbed, thereby the photoelectric transformation efficiency of raising sun power become the emphasis problem that people paid close attention in this area.
Common, improve the transmittance of packaging glass of solar cell and can consider from the prescription and the technology of packaging glass of solar cell itself.On prescription and technology, all being tending towards ripe through controlling the iron level in the raw material and increasing the surperficial methods such as optically focused decorative pattern of packaging glass of solar cell at present, still also is not very desirable in the raising of transmittance.
In order further to improve the transmittance of packaging glass of solar cell; Can be through plating anti-reflection film on the packaging glass of solar cell surface; To reduce of the reflection loss of packaging glass of solar cell surface to sunshine; Thereby improve the light utilization efficiency of solar module, then can under low cost, further improve the energy conversion efficiency of solar product, this has reality and positive meaning undoubtedly.
Method at packaging glass of solar cell surface plating anti-reflection film mainly contains following three kinds at present: the one, and evaporation (vacuum) plated film; The 2nd, magnetron sputtering plating; The 3rd, the collosol and gel plated film.
Yet the stability difference of the inhomogeneous and rete of rete is the major reason that technique for vacuum coating is eliminated.And magnetron sputtering plating is to utilize magnetron sputtering technique to carry out plated film, though can design and manufacture the complicated film of multilayer system; And can on the glass substrate of white, plate out multiple color, the corrosion-resistant and wear resisting property of its rete is better, but its equipment investment cost is high; Production cycle is long, causes its cost that manufactures a product also higher, and cost performance has satisfied not the requirement in coated glass market; In addition, coating materials and plating piece also there is certain restriction.Collosol and gel manufactured coated glass; Though its technology is simple; But its product is ornamental relatively poor, has the problem of big area membrane uniformity difference, and only limits to laboratory sample sheet preparation; Be not easy to mass production, the product of the uniform large-area coated glass that satisfies market demands can't be provided.
Wherein, employed Coating Materials is also bigger to the final Effect on Performance of coated glass in the above-mentioned film coating method, and present employed Coating Materials mainly contains three kinds: first kind is the Coating Materials that adopts the silicon dioxide gel of conventional Prepared by Sol Gel Method; Second kind is the Coating Materials of the nano silicon of dispersiveness; The third is the nano level organic film plating material that adopts low-refraction.The shortcoming of these existing Coating Materials is: ⑴ can not effectively combine the sticking power that low-refraction is become reconciled, and can not reach a best effect; ⑵ the Coating Materials of similar Prepared by Sol Gel Method is not aggregated to multiple oxide material together; Can not form firm three-dimensional network; Make common nanoporous anti-reflection film all stronger water-absorbent can be arranged, when causing placing the long period out of doors, its transmittance can obviously reduce.In addition; The method for preparing Coating Materials in the prior art is complicated operation not only, and the cycle is longer, and performance such as film forming properties is relatively poor, hardness performance and salt spray resistance is yet waited to improve; In addition; Out of doors under the long-term exposure, adopt the index such as sticking power, hardness, salt spray resistance of the anti-reflection film that above-mentioned coating liquid is coated with As time goes on and constantly to reduce, can't bear long-term rugged environment.
Therefore; To deficiency of the prior art; Needing badly provides the preparation method of a kind of packaging glass of solar cell plating anti-reflection film with complex sol; This preparing method's technology is simple, with low cost, and adopts this method can reduce the cost of plating Coating Materials that anti-reflection film uses greatly, further lays a good foundation for the widespread use of anti-reflection film on packaging glass of solar cell.
Also needing badly provides a kind of packaging glass of solar cell plating anti-reflection film to use complex sol; The Coating Materials of this complex sol does not absorb water basically; Can make the anti-reflection film of preparation keep higher transmittance; And along with the placement of time, the sticking power of anti-reflection film, hardness all have increase in various degree, thereby have further reduced use cost; And the anti-reflection film prepared through this complex sol can comprise salt-fog test, high temperature and humidity test, open field test, ultraviolet test, sticking power test through all weather resisteants ability examination criterias that packaging glass of solar cell was suitable for.
In addition; Also need the method for manufacture that a kind of packaging glass of solar cell is provided badly; This method of manufacture is not only simple and convenient, easy handling, be applicable to big area production, and practices thrift operational cost, improves productivity effect; The transmittance and the photoelectric transformation efficiency of the packaging glass of solar cell through this method manufacturing are all higher; The ranges of indices of refraction of antireflective coating is 1.26～1.42, and thin-film refractive index was controlled at 1.38 o'clock, compares not plate the anti-reflection packaging glass of solar cell that is coated with rete and in 400nm～1000nm wavelength region, all increase more than 2.5%.
Summary of the invention
One of the object of the invention is to avoid weak point of the prior art and provides a kind of packaging glass of solar cell to plate the preparation method of anti-reflection film with complex sol; This preparing method's technology is simple, with low cost; And adopt this method can reduce the cost of plating Coating Materials that anti-reflection film uses greatly, further lay a good foundation for the widespread use of anti-reflection film on packaging glass of solar cell.
Two of the object of the invention is to avoid weak point of the prior art and provides a kind of packaging glass of solar cell plating anti-reflection film to use complex sol; The Coating Materials of this complex sol does not absorb water basically; Can make the anti-reflection film of preparation keep higher transmittance; And along with the placement of time, the sticking power of anti-reflection film, hardness all have increase in various degree, thereby have further reduced use cost; And the anti-reflection film prepared through this complex sol can comprise salt-fog test, high temperature and humidity test, open field test, ultraviolet test, sticking power test through all weather resisteants ability examination criterias that packaging glass of solar cell was suitable for.
Three of the object of the invention is to avoid weak point of the prior art and method of manufacture that a kind of packaging glass of solar cell is provided; This method of manufacture is not only simple and convenient, easy handling, be applicable to big area production; And saving operational cost; Improve productivity effect, the transmittance and the photoelectric transformation efficiency of the packaging glass of solar cell through this method manufacturing are all higher, and the ranges of indices of refraction of antireflective coating is 1.26～1.42; Thin-film refractive index was controlled at 1.38 o'clock, compared not plate the anti-reflection packaging glass of solar cell that is coated with rete and in 400nm～1000nm wavelength region, all increase more than 2.5%.
The object of the invention is realized through following technical scheme:
The preparation method of a kind of packaging glass of solar cell plating anti-reflection film with complex sol is provided, wherein, may further comprise the steps:
Step 1 is mixed silicon alkoxide, water, basic catalyst and the alcohol organic solvent volume ratio according to 1～100:0.1～10:0.01～1:3～300, forms mixed solution A;
Step 2, the PH value of adjusting the mixed solution A in the said step 1 is 8～10;
Step 3 adds suppressor factor and dispersion agent in the mixed solution A in said step 2 behind the adjustment pH value, mixes under the room temperature and stirs 1h～10h, and the still aging 1d～10d in sealing back obtains first colloidal sol;
Step 4 changes reaction conditions, in colloidal sol that said step 3 is won, adds an acidic catalyst, suppressor factor and stablizer, forms mixing solutions B;
Step 5, the pH value of adjusting the mixing solutions B in the said step 4 is 2～5;
Step 6 adds a kind of in metal alkoxide and the metal-salt among the mixing solutions B of adjustment behind the pH value in said step 5, mix under the room temperature and stir 0.5h～8h, and still aging 5d～20d after the sealing obtains second colloidal sol; Wherein, said metal alkoxide is a kind of in zirconium alkoxide, titanium alkoxide, the aluminium-alcohol salt, and said metal-salt is a kind of in zirconates, titanium salt, the aluminium salt;
Step 7 is dissolved in said step 6 gained second colloidal sol and aqueous silane coupling agent and coating in the mixed environment-friendly solvent with moistening flatting agent jointly, stirs 0.5h at least, is prepared into complex sol.
As preferred embodiment of the present invention, the basic catalyst in the above-mentioned steps one is a kind of in ammoniacal liquor, trolamine, the diethylolamine; Alcohol organic solvent in the said step 1 is a kind of in absolute ethyl alcohol, anhydrous methanol, the Virahol.
As preferred embodiment of the present invention, it is suppressor factor and the dispersion agent of 0.1 ﹪～1 ﹪ of said mixed solution A volume that in said step 2, regulating in the above-mentioned steps three adds volume in the mixed solution A behind the pH value.
As preferred embodiment of the present invention, the suppressor factor in the above-mentioned steps three is a kind of in Z 150PH, the polyoxyethylene glycol; Dispersion agent in the said step 3 is a kind of in CMC, the USP Kosher.
As preferred embodiment of the present invention, an acidic catalyst in the above-mentioned steps four is a kind of in acetic acid, lactic acid, Hydrocerol A, hydrochloric acid, sulfuric acid, the nitric acid; Suppressor factor in the said step 4 is a kind of in methyl ethyl diketone, Glacial acetic acid min. 99.5, DMF, polyoxyethylene glycol, ydrogen peroxide 50, trolamine, the USP Kosher; Stablizer in the said step 4 is a kind of in thanomin, diethylolamine, the trolamine.
As preferred embodiment of the present invention, in said step 5, add volume in the above-mentioned steps six among the mixing solutions B of adjustment behind the pH value and be a kind of in 1/6～1/3 metal alkoxide and the metal-salt of silicon alkoxide volume in the said step 1.
As preferred embodiment of the present invention, the mixed environment-friendly solvent in the above-mentioned steps seven is one or several in absolute ethyl alcohol, anhydrous methanol, Virahol, acetone, DMF, alcohol ether, the water.
The present invention also provides a kind of packaging glass of solar cell plating anti-reflection film to use complex sol, and wherein, said complex sol is that above-mentioned packaging glass of solar cell plates the preparation method prepared composite colloidal sol of anti-reflection film with complex sol.
The present invention also provides a kind of method of manufacture of packaging glass of solar cell; Wherein, Adopt any film coating method in spin coating, dip-coating, roller coat, showering, the spraying film coating method; Above-mentioned packaging glass of solar cell plating anti-reflection film is coated on the glass substrate of the packaging glass of solar cell behind the cleaning-drying with preparing method's prepared composite colloidal sol of complex sol, forms the packaging glass of solar cell that plates anti-reflection film; Packaging glass of solar cell to through the plating anti-reflection film carries out intensified process; The packaging glass of solar cell of plating anti-reflection film that again will be after intensified process cleans, and obtains the finished product of packaging glass of solar cell.
As preferred embodiment of the present invention, above-mentioned intensified process comprises solidification treatment or tempering processing or carries out solidification treatment earlier and carry out intensified process again; The temperature of said solidification treatment is that 50 ℃～250 ℃, time are 2min～10min, and said tempering treatment temperature is that 500 ℃～700 ℃, time are 2min～10min.
Beneficial effect of the present invention: the present invention includes step 1, silicon alkoxide, water, basic catalyst and the alcohol organic solvent volume ratio according to 1～100:0.1～10:0.01～1:3～300 is mixed, form mixed solution A; Step 2, the PH value of adjusting the mixed solution A in the said step 1 is 8～10; Step 3 adds suppressor factor and dispersion agent in the mixed solution A in said step 2 behind the adjustment pH value, mixes under the room temperature and stirs 1h～10h, and the still aging 1d～10d in sealing back obtains first colloidal sol; Step 4 changes reaction conditions, in colloidal sol that said step 3 is won, adds an acidic catalyst, suppressor factor and stablizer, forms mixing solutions B; Step 5, the pH value of adjusting the mixing solutions B in the said step 4 is 2～5; Step 6 adds a kind of in metal alkoxide and the metal-salt among the mixing solutions B of adjustment behind the pH value in said step 5, mix under the room temperature and stir 0.5h～8h, and still aging 5d～20d after the sealing obtains second colloidal sol; Wherein, said metal alkoxide is a kind of in zirconium alkoxide, titanium alkoxide, the aluminium-alcohol salt, and said metal-salt is a kind of in zirconates, titanium salt, the aluminium salt; Step 7 is dissolved in said step 6 gained second colloidal sol and aqueous silane coupling agent and coating in the mixed environment-friendly solvent with moistening flatting agent jointly, stirs 0.5h at least, is prepared into complex sol.The present invention can also utilize this complex sol to prepare packaging glass of solar cell.
The present invention compared with prior art; Have the following advantages: a kind of packaging glass of solar cell plating anti-reflection film of the present invention is with the preparation method of complex sol; This preparing method's technology is simple, with low cost; And adopt this method can reduce the cost of plating Coating Materials that anti-reflection film uses greatly, further lay a good foundation for the widespread use of anti-reflection film on packaging glass of solar cell.A kind of packaging glass of solar cell plating anti-reflection film of the present invention is used complex sol; The Coating Materials of this complex sol does not absorb water basically; Can make the anti-reflection film of preparation keep higher transmittance; And along with the placement of time, the sticking power of anti-reflection film, hardness all have increase in various degree, thereby have further reduced use cost; And the anti-reflection film prepared through this complex sol can comprise salt-fog test, high temperature and humidity test, open field test, ultraviolet test, sticking power test through all weather resisteants ability examination criterias that packaging glass of solar cell was suitable for.The method of manufacture of a kind of packaging glass of solar cell of the present invention; This method of manufacture is not only simple and convenient, easy handling, be applicable to big area production; And saving operational cost; Improve productivity effect, the transmittance and the photoelectric transformation efficiency of the packaging glass of solar cell through this method manufacturing are all higher, and the ranges of indices of refraction of antireflective coating is 1.26～1.42; Thin-film refractive index was controlled at 1.38 o'clock, compared not plate the anti-reflection packaging glass of solar cell that is coated with rete and in 400nm～1000nm wavelength region, all increase more than 2.5%.
Embodiment
In conjunction with following examples the present invention is further described:
Embodiment one:
A kind of packaging glass of solar cell plating anti-reflection film of present embodiment may further comprise the steps with the preparation method of complex sol:
Step 1 is mixed silicon alkoxide, water, basic catalyst and the alcohol organic solvent volume ratio according to 1～100:0.1～10:0.01～1:3～300, forms mixed solution A.Silicon alkoxide is mixed according to the volume ratio that silicon alkoxide, water, basic catalyst and alcohol organic solvent are respectively 1～100:0.1～10:0.01～1:3～300 under alkaline condition, and the stability of formed mixed solution A better.
Step 2, the PH value of the mixed solution A in the set-up procedure one is 8～10.
Step 3 adds suppressor factor and dispersion agent in the mixed solution A in step 2 behind the adjustment pH value, mixes under the room temperature and stirs 1h～10h, and the still aging 1d～10d in sealing back obtains first colloidal sol.Add suppressor factor and can play the effect of controlling reaction process,, help to improve the weather resistance that makes antireflective coating etc. so that make that the particle shape size distribution of the first prepared colloidal sol is more even with dispersion agent.
Step 4 changes reaction conditions, in colloidal sol that step 3 is won, adds an acidic catalyst, suppressor factor and stablizer, forms mixing solutions B.
Step 5, the pH value of the mixing solutions B in the set-up procedure four is 2～5.
Step 6 adds a kind of in metal alkoxide and the metal-salt among the mixing solutions B of adjustment behind the pH value in step 5, mix under the room temperature and stir 0.5h～8h, and still aging 5d～20d after the sealing obtains second colloidal sol; Wherein, metal alkoxide is a kind of in zirconium alkoxide, titanium alkoxide, the aluminium-alcohol salt, and metal-salt is a kind of in zirconates, titanium salt, the aluminium salt.Add a kind of in metal alkoxide and the metal-salt, make on original colloidal sol basis, to grow new colloidal sol, the perfect adaptation of two kinds of colloidal sol characteristics.
Step 7 is dissolved in step 6 gained second colloidal sol and aqueous silane coupling agent and coating in the mixed environment-friendly solvent with moistening flatting agent jointly, stirs 0.5h at least, is prepared into complex sol.
In addition, the starting material of being selected for use in the present embodiment are analytical pure level starting material.
Wherein, the basic catalyst in the step 1 is a kind of in ammoniacal liquor, trolamine, the diethylolamine; Alcohol organic solvent in the step 1 is a kind of in absolute ethyl alcohol, anhydrous methanol, the Virahol.
Wherein, in step 2, regulating in the step 3 to add volume in the mixed solution A behind the pH value be suppressor factor and the dispersion agent of 0.1 ﹪～1 ﹪ of mixed solution A volume.
Wherein, the suppressor factor in the step 3 is a kind of in Z 150PH, the polyoxyethylene glycol; Dispersion agent in the step 3 is a kind of in CMC, the USP Kosher.
Wherein, an acidic catalyst in the step 4 is a kind of in acetic acid, lactic acid, Hydrocerol A, hydrochloric acid, sulfuric acid, the nitric acid; Suppressor factor in the step 4 is a kind of in methyl ethyl diketone, Glacial acetic acid min. 99.5, DMF, polyoxyethylene glycol, ydrogen peroxide 50, trolamine, the USP Kosher; Stablizer in the step 4 is a kind of in thanomin, diethylolamine, the trolamine.
Wherein, in step 5, add a kind of in 1/6～1/3 metal alkoxide that volume is a silicon alkoxide volume in the step 1 and the metal-salt in the step 6 among the mixing solutions B of adjustment behind the pH value.
Wherein, the mixed environment-friendly solvent in the step 7 is one or several in absolute ethyl alcohol, anhydrous methanol, Virahol, acetone, DMF, alcohol ether, the water.
Embodiment two:
A kind of packaging glass of solar cell plating anti-reflection film of present embodiment may further comprise the steps with the preparation method of complex sol:
Step 1 is mixed methyl silicate, water, ammoniacal liquor and the anhydrous methanol volume ratio according to 75～90:1.4～8.8:0.05～0.09:110～250, forms mixed solution A.Adopt methyl silicate under alkaline condition, to prepare a kind of stability colloidal sol preferably earlier, guarantee the specific refractory power that it is low.
Step 2, the PH value of the mixed solution A in the set-up procedure one is 8.5～9.5.
Step 3 adds Z 150PH and USP Kosher in the mixed solution A in step 2 behind the adjustment pH value, mixes under the room temperature and stirs 5h～8h, and the still aging 6d～8d in sealing back obtains first colloidal sol.
Step 4 changes reaction conditions, in colloidal sol that step 3 is won, adds Glacial acetic acid min. 99.5, methyl ethyl diketone and diethylolamine, forms mixing solutions B.
Step 5, the pH value of the mixing solutions B in the set-up procedure four is 2～4.
Step 6 adds a certain amount of butyl(tetra)titanate as the titanium source among the mixing solutions B in step 5 behind the adjustment pH value, mixes under the room temperature and stirs 0.5h～8h, and the still aging 5d～20d in sealing back obtains second colloidal sol.
Step 7 is dissolved in step 6 gained second colloidal sol and aqueous silane coupling agent and coating in the mixed environment-friendly solvent that propylene glycol monomethyl ether, Virahol, DMF, absolute ethyl alcohol, water form with moistening flatting agent jointly, stirs 0.5h～3h, is prepared into complex sol.
Embodiment three:
A kind of packaging glass of solar cell plating anti-reflection film of present embodiment may further comprise the steps with the preparation method of complex sol:
Step 1 is mixed silicon alkoxide, water, trolamine and the Virahol volume ratio according to 20～75:0.2～1.4:0.02～0.07:3～110, forms mixed solution A.
Step 2, the PH value of the mixed solution A in the set-up procedure one is 8.1～9.4.
Step 3 adds polyoxyethylene glycol and CMC in the mixed solution A in step 2 behind the adjustment pH value, mixes under the room temperature and stirs 2h～6h, and the still aging 1d～3d in sealing back obtains first colloidal sol.
Step 4 changes reaction conditions, in colloidal sol that step 3 is won, adds sulfuric acid, methyl ethyl diketone and diethylolamine, forms mixing solutions B.
Step 5, the pH value of the mixing solutions B in the set-up procedure four is 3～4.
Step 6 adds a certain amount of zirconium oxychloride as the zirconium source among the mixing solutions B in step 5 behind the adjustment pH value, mixes under the room temperature and stirs 0.5h～8h, and the still aging 5d～20d in sealing back obtains second colloidal sol.
Step 7 is dissolved in step 6 gained second colloidal sol and aqueous silane coupling agent and coating in the mixed environment-friendly solvent that Virahol, absolute ethyl alcohol, water form with moistening flatting agent jointly, stirs 0.5h～3h, is prepared into complex sol.
Embodiment four:
A kind of packaging glass of solar cell plating anti-reflection film of present embodiment may further comprise the steps with the preparation method of complex sol:
Step 1 is mixed silicon alkoxide, water, trolamine and the Virahol volume ratio according to 20～75:0.2～1.4:0.02～0.07:3～110, forms mixed solution A.
Step 2, the PH value of the mixed solution A in the set-up procedure one is 8.1～9.4.
Step 3 adds polyoxyethylene glycol and CMC in the mixed solution A in step 2 behind the adjustment pH value, mixes under the room temperature and stirs 2h～6h, and the still aging 1d～3d in sealing back obtains first colloidal sol.
Step 4 changes reaction conditions, in colloidal sol that step 3 is won, adds lactic acid, methyl ethyl diketone and diethylolamine, forms mixing solutions B.
Step 5, the pH value of the mixing solutions B in the set-up procedure four is 3～4.
Step 6 adds a certain amount of aluminum isopropylate as the aluminium source among the mixing solutions B in step 5 behind the adjustment pH value, mixes under the room temperature and stirs 2.5h～8h, and the still aging 5d～20d in sealing back obtains second colloidal sol.
Step 7 is dissolved in step 6 gained second colloidal sol and aqueous silane coupling agent and coating in the mixed environment-friendly solvent that Virahol, absolute ethyl alcohol, water form with moistening flatting agent jointly, stirs 0.5h～3h, is prepared into complex sol.
Embodiment five:
A kind of packaging glass of solar cell plating anti-reflection film of present embodiment uses complex sol to plate the preparation method prepared composite colloidal sol of anti-reflection film with complex sol for the packaging glass of solar cell according to the foregoing description one.
Embodiment six:
A kind of packaging glass of solar cell plating anti-reflection film of present embodiment uses complex sol to plate the preparation method prepared composite colloidal sol of anti-reflection film with complex sol for the packaging glass of solar cell according to the foregoing description two.
Embodiment seven:
A kind of packaging glass of solar cell plating anti-reflection film of present embodiment uses complex sol to plate the preparation method prepared composite colloidal sol of anti-reflection film with complex sol for the packaging glass of solar cell according to the foregoing description three.
Embodiment eight:
A kind of packaging glass of solar cell plating anti-reflection film of present embodiment uses complex sol to plate the preparation method prepared composite colloidal sol of anti-reflection film with complex sol for the packaging glass of solar cell according to the foregoing description four.
Embodiment nine:
The method of manufacture of a kind of packaging glass of solar cell of the present invention; Wherein, Adopt any film coating method in spin coating, dip-coating, roller coat, showering, the spraying film coating method; The packaging glass of solar cell of the foregoing description one plating anti-reflection film is coated on the glass substrate of the packaging glass of solar cell behind the cleaning-drying with preparing method's prepared composite colloidal sol of complex sol, forms the packaging glass of solar cell that plates anti-reflection film; Packaging glass of solar cell to through the plating anti-reflection film carries out intensified process; The packaging glass of solar cell of plating anti-reflection film that again will be after intensified process cleans, and obtains having good uniformity, hardness is big, sticking power good, anti-scraping, be prone to the finished product of the packaging glass of solar cell of advantages such as cleaning.Glass substrate can be selected solar energy ultra-white configurated glass; And to its cut, edging; Again will through the cutting, edging glass substrate clean, drying.The film coating method that is adopted is not only simple and convenient, easy handling and big area production, and practice thrift operational cost, improve productivity effect.
Wherein, intensified process comprises solidification treatment or tempering processing or carries out solidification treatment earlier and carry out intensified process again; The temperature of said solidification treatment is that 50 ℃～250 ℃, time are 2min～10min, and said tempering treatment temperature is that 500 ℃～700 ℃, time are 2min～10min.
The method of manufacture of the packaging glass of solar cell of present embodiment is not only simple and convenient, easy handling, be applicable to big area production; And saving operational cost; Improve productivity effect; The transmittance and the photoelectric transformation efficiency of the packaging glass of solar cell through this method manufacturing are all higher; The ranges of indices of refraction of antireflective coating is 1.26～1.42, and thin-film refractive index was controlled at 1.38 o'clock, compares not plate the anti-reflection packaging glass of solar cell that is coated with rete and in 400nm～1000nm wavelength region, all increase more than 2.5%.
Should be noted that at last; Above embodiment is only in order to explain technical scheme of the present invention; But not to the restriction of protection domain of the present invention, although with reference to preferred embodiment the present invention has been done explanation at length, those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical scheme of the present invention.
Claims (9)
1. a packaging glass of solar cell plates the preparation method of anti-reflection film with complex sol, it is characterized in that: may further comprise the steps:
Step 1 is mixed silicon alkoxide, water, basic catalyst and the alcohol organic solvent volume ratio according to 75～90:1.4～8.8:0.05～0.09:110～250, forms mixed solution A;
Step 2, the PH value of adjusting the mixed solution A in the said step 1 is 8～10;
Step 3 adds suppressor factor and dispersion agent in the mixed solution A in said step 2 behind the adjustment pH value, mixes under the room temperature and stirs 1h～10h, and the still aging 1d～10d in sealing back obtains first colloidal sol;
Step 4 changes reaction conditions, in colloidal sol that said step 3 is won, adds an acidic catalyst, suppressor factor and stablizer, forms mixing solutions B;
Step 5, the pH value of adjusting the mixing solutions B in the said step 4 is 2～5;
Step 6 adds a kind of in metal alkoxide and the metal-salt among the mixing solutions B of adjustment behind the pH value in said step 5, mix under the room temperature and stir 0.5h～8h, and still aging 5d～20d after the sealing obtains second colloidal sol; Wherein, said metal alkoxide is a kind of in zirconium alkoxide, titanium alkoxide, the aluminium-alcohol salt, and said metal-salt is a kind of in zirconates, titanium salt, the aluminium salt; Wherein, in said step 5, add a kind of in 1/6～1/3 metal alkoxide that volume is a silicon alkoxide volume in the said step 1 and the metal-salt among the mixing solutions B of adjustment behind the pH value;
Step 7 is dissolved in said step 6 gained second colloidal sol and aqueous silane coupling agent and coating in the environment-friendly type solvent with moistening flatting agent jointly, stirs 0.5h at least, is prepared into complex sol.
2. packaging glass of solar cell according to claim 1 plating anti-reflection film is characterized in that with the preparation method of complex sol: the basic catalyst in the said step 1 is a kind of in ammoniacal liquor, trolamine, the diethylolamine; Alcohol organic solvent in the said step 1 is a kind of in absolute ethyl alcohol, anhydrous methanol, the Virahol.
3. packaging glass of solar cell according to claim 1 plating anti-reflection film is characterized in that with the preparation method of complex sol: regulate in said step 2 that the adding volume is suppressor factor and the dispersion agent of 0.1 ﹪～1 ﹪ of said mixed solution A volume in the mixed solution A behind the pH value in the said step 3.
According to claim 1 or 3 described packaging glass of solar cell plating anti-reflection films with the preparation method of complex sol, it is characterized in that: the suppressor factor in the said step 3 is a kind of in Z 150PH, the polyoxyethylene glycol; Dispersion agent in the said step 3 is a kind of in CMC, the USP Kosher.
5. packaging glass of solar cell according to claim 1 plating anti-reflection film is characterized in that with the preparation method of complex sol: an acidic catalyst in the said step 4 is a kind of in acetic acid, lactic acid, Hydrocerol A, hydrochloric acid, sulfuric acid, the nitric acid; Suppressor factor in the said step 4 is a kind of in methyl ethyl diketone, Glacial acetic acid min. 99.5, DMF, polyoxyethylene glycol, ydrogen peroxide 50, trolamine, the USP Kosher; Stablizer in the said step 4 is a kind of in thanomin, diethylolamine, the trolamine.
6. packaging glass of solar cell plating anti-reflection film according to claim 1 is with the preparation method of complex sol, and it is characterized in that: the environment-friendly type solvent in the said step 7 is one or several in absolute ethyl alcohol, anhydrous methanol, Virahol, acetone, DMF, alcohol ether, the water.
7. a packaging glass of solar cell plating anti-reflection film is used complex sol, it is characterized in that: said complex sol is for plating the preparation method prepared composite colloidal sol of anti-reflection film with complex sol according to the described packaging glass of solar cell of claim 1-6.
8. the method for manufacture of a packaging glass of solar cell; It is characterized in that: adopt any film coating method in spin coating, dip-coating, roller coat, showering, the spraying film coating method; To be coated on the glass substrate of the packaging glass of solar cell behind the cleaning-drying with preparing method's prepared composite colloidal sol of complex sol according to the described packaging glass of solar cell of claim 1-6 plating anti-reflection film, form the packaging glass of solar cell that plates anti-reflection film; Packaging glass of solar cell to through the plating anti-reflection film carries out intensified process; The packaging glass of solar cell of plating anti-reflection film that again will be after intensified process cleans, and obtains the finished product of packaging glass of solar cell.
9. the method for manufacture of packaging glass of solar cell according to claim 8 is characterized in that: said intensified process comprises that solidification treatment or tempering are handled or carried out solidification treatment earlier and carries out intensified process again; The temperature of said solidification treatment is that 50 ℃～250 ℃, time are 2min～10min, and said tempering treatment temperature is that 500 ℃～700 ℃, time are 2min～10min.
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| US8847274B2 (en) * | 2012-04-09 | 2014-09-30 | Nihon Colmo Co., Ltd. | LED device |
| CN102850894A (en) * | 2012-07-03 | 2013-01-02 | 杭州和合玻璃工业有限公司 | Composite sol for anti-reflection coating and anti-reflection coated photovoltaic glass |
| CN102775077B (en) * | 2012-07-09 | 2014-12-10 | 华尔润玻璃产业股份有限公司 | Water antireflection liquid |
| CN103265884A (en) * | 2013-06-06 | 2013-08-28 | 苏州禾川化工新材料科技有限公司 | Lens hardening antireflection liquid |
| CN105175769A (en) * | 2015-09-21 | 2015-12-23 | 常州大学 | Preparing method for silicon-containing optical anti-reflection polyester film |
| CN107935406B (en) * | 2017-12-14 | 2021-03-16 | 湖南兴威新材料有限公司 | Preparation method of silicon dioxide antireflection film |
| CN112608038B (en) * | 2020-12-23 | 2022-05-20 | 苏州中来光伏新材股份有限公司 | Antireflection and permeation-increasing liquid for repairing photovoltaic module glass and preparation method thereof |
| CN112999890B (en) * | 2021-03-03 | 2022-04-19 | 大连理工大学 | Organic-inorganic hybrid SiO of flat plate2Composite membrane and preparation method and application thereof |
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| GB9822338D0 (en) * | 1998-10-13 | 1998-12-09 | Glaverbel | Solar control coated glass |
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