CN101826572B - Method for manufacturing photovoltaic cell panel - Google Patents
Method for manufacturing photovoltaic cell panel Download PDFInfo
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- CN101826572B CN101826572B CN2009101682577A CN200910168257A CN101826572B CN 101826572 B CN101826572 B CN 101826572B CN 2009101682577 A CN2009101682577 A CN 2009101682577A CN 200910168257 A CN200910168257 A CN 200910168257A CN 101826572 B CN101826572 B CN 101826572B
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- Prior art keywords
- photovoltaic cell
- photovoltaic
- curing materials
- cell component
- battery panel
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- Photovoltaic Devices (AREA)
Abstract
The invention provides a method for manufacturing a photovoltaic cell panel. The method comprises the following steps of: coating a UV cured material on a photovoltaic cell plate and a substrate; assembling the photovoltaic cell plate and the substrate coated with the UV cured material into a photovoltaic cell assembly; performing vacuum treatment on the photovoltaic cell assembly; and curing the UV cured material in the photovoltaic cell assembly to obtain the photovoltaic cell panel. Compared with the photovoltaic cell panel in the prior art, the photovoltaic cell panel of the invention uses the UV cured material as an adhesive to replace a traditional EVA hot melt adhesive; and therefore, the photovoltaic cell assembly can be assembled into any curved surface shape and the photovoltaic cell assembly can be obtained by curing the photovoltaic cell plate through UV. In addition, the photovoltaic cell assembly is molded by vacuum negative pressure rather than lamination, so that pressure applied to the photovoltaic cell plate is uniform, and cracks of the cell plate are not easy to cause.
Description
Technical field
The present invention relates to the photovoltaic cell field, be specifically related to a kind of manufacturing approach of photovoltaic battery panel.
Background technology
Solar-energy photo-voltaic cell abbreviates photovoltaic cell as, is used for being converted into electric energy to the luminous energy of the sun.Compare with conventional energy resource, photovoltaic cell is a kind of renewable and clean energy resource, helps environmental protection, and can save the very expensive transmission line of cost, so photovoltaic cell is with a wide range of applications.
Under prior art; After the manufacture process of photovoltaic battery panel mainly comprises the steps: to produce with silicon and is the photovoltaic cell sheet of main component; With a plurality of photovoltaic cell sheets formation battery strings that is serially connected; And then get glass plate, coating is assembled into photovoltaic cell component, and said photovoltaic cell component is being put into laminating machine, through vacuumizing the air in the photovoltaic cell component is extracted out; Heating makes the adhering resin fusing and applies certain pressure so that component string, glass and backboard are bonded together then, obtains photovoltaic battery panel after the cooling.Coating commonly used is EVA (plastic of poly vinyl acetate), and the main component of EVA is with the resin of acetate with vinyl acetate copolymerization under high pressure formation, is heated to after the uniform temperature promptly curablely, when being used for photovoltaic battery panel, has the adhesive strength advantages of higher.
The shortcoming of prior art is, during as adhering resin, can only adopt laminating technology that component string, glass plate and backsheet layer are forced together with EVA, so prior art can only prepare the photovoltaic battery panel of writing board shape, is difficult to prepare the photovoltaic battery panel of curved surface.Along with the application of photovoltaic cell in every field, the tabular photovoltaic battery panel that pattern is single can not satisfy the needs in market gradually.Therefore, need preparation to have the photovoltaic battery panel of curve form.And in laminating technology, photovoltaic battery panel can receive certain pressure, and is broken easily.
The UV curing materials is development branch rapidly in the high molecular synthetic resin industry, and the UV curing materials is meant under the irradiation of ultraviolet light, through reaction can polymerization the curing high molecular synthetic material.In recent years, the UV curing materials has been applied to a plurality of fields.The present invention is through discovering, if when adopting the UV curing materials to be applied to photovoltaic battery panel as adhering resin, can substitute the laminating technology that the conventional photovoltaic cell panel is produced, and helps having the photovoltaic battery panel of curve form like this.
Summary of the invention
The technical problem that the present invention solves is; A kind of preparation method of photovoltaic battery panel is provided; In this preparation method, substitute laminating technology of the prior art, thereby help preparing the photovoltaic battery panel that has curve form, and it is broken to prevent that the photovoltaic cell sheet from taking place.
In order to solve above technical problem, the present invention provides a kind of preparation method of photovoltaic battery panel, comprising:
On photovoltaic cell sheet and substrate, smear the UV curing materials; Wherein, Said UV curing materials comprises oligomer and initator, and said oligomer is selected from one or more in epoxy acrylate, urethane acrylate, polyester acrylate, polyether acrylate or the acroleic acid esterification polyacrylic resin;
The photovoltaic cell sheet, the substrate in batch that scribble the UV curing materials are dressed up photovoltaic cell component;
Said photovoltaic cell component is carried out vacuum treatment;
Solidify that the UV curing materials obtains photovoltaic battery panel in the said photovoltaic cell component.
Preferably, said vacuum degree when carrying out vacuum treatment is less than 200Pa.
Preferably, said vacuum degree when carrying out vacuum treatment is less than 100Pa.
Preferably, the said processing time when carrying out vacuum treatment is 10min～1 hour.
Preferably, said initator is radical initiator or cationic initiator.
Preferably, the UV curing materials in the said photovoltaic cell component of ultraviolet light polymerization of use 300nm-500nm obtains photovoltaic battery panel.
Preferably, said photovoltaic battery panel has curve form.
The present invention provides a kind of preparation method of photovoltaic battery panel.The present invention smears the UV curing materials on photovoltaic cell sheet and substrate, and then photovoltaic cell sheet and substrate in batch are dressed up photovoltaic cell component, and vacuum treatment usefulness adopts UV illumination that the UV curing materials is solidified, thereby makes photovoltaic battery panel.Compared with prior art; The present invention uses the UV curing materials to replace EVA in traditional photovoltaic cell as the binding agent of photovoltaic cell component; Thereby when the assembling photovoltaic battery component; Can photovoltaic cell component glass be formed the arbitrary surface shape, therefore can prepare multifarious photovoltaic battery panel, thereby photovoltaic battery panel is used in wider scope.In addition, laminated into type owing to not carrying out to photovoltaic cell component, but adopt the negative pressure of vacuum moulding, and therefore even to the pressure of photovoltaic cell sheet, be difficult for causing battery sheet cracking.
Description of drawings
Fig. 1 is that the axle of a kind of execution mode of photovoltaic cell component provided by the invention is surveyed sketch map;
The front view of Fig. 2 photovoltaic battery panel shown in Figure 1;
Fig. 3 is the end view of photovoltaic battery panel shown in Figure 1;
Embodiment
A method for preparing photovoltaic cell component of the present invention comprises step:
On photovoltaic cell sheet, substrate, smear the UV curing materials;
The photovoltaic cell sheet, the substrate in batch that scribble the UV curing materials are dressed up photovoltaic cell component;
Said photovoltaic cell component is carried out vacuum treatment;
The UV curing materials that solidifies on the said photovoltaic cell component obtains photovoltaic battery panel.
According to the present invention; Said photovoltaic cell sheet is meant the photovoltaic cell sheet of being processed by monocrystalline silicon or polysilicon well known to those skilled in the art; Said substrate is meant the glass plate as the photovoltaic cell protective layer well known to those skilled in the art, and said substrate comprises backboard and panel.
See also Fig. 1-Fig. 3, Fig. 1 is that the axle of a kind of embodiment of photovoltaic battery panel provided by the invention is surveyed sketch map, and Fig. 2 is the front view of photovoltaic battery panel shown in Figure 1, and Fig. 3 is the end view of photovoltaic battery panel shown in Figure 1.As shown in Figure 1, said photovoltaic battery panel is formed a photovoltaic battery panel that has hyperboloid 12 shapes by a plurality of photovoltaic cell sheets 11.According to the present invention, can also be assembled into and comprise that hyperboloid, S curved surface, arc surface etc. comprise any known shape of curved surface.
According to the present invention, said UV curing materials is meant that at wavelength be the material that can solidify under ultraviolet light (Ultraviolet Rays) irradiation more than the 200nm.The main component of UV curing materials comprises oligomer; In order to make said oligomer polymerization reaction take place, also comprise light trigger in addition, when using UV-irradiation; Light trigger generation chemical reaction solidifies the UV curing materials thereby cause oligomer generation polymerization.
According to the present invention; Oligomer in the said UV curing materials can refer to epoxy acrylate well known to those skilled in the art, urethane acrylate, polyester acrylate, polyether acrylate, acroleic acid esterification polyacrylic resin and other unsaturated polyester (UP); Perhaps comprise the simple function group of acrylic acid ester or the resin of polyfunctional monomer, but be not limited thereto.Initator in the UV curing materials according to the invention can be free radical photo-initiation well known to those skilled in the art or cation light initiator; Said free radical photo-initiation comprises for example aromatic ketone compound, for example benzophenone, alkyl diphenyl ketone, Michler's keton, anthrone and halogenated diphenyl ketone; For example can also comprise 2,4,6-trimethylbenzoyl phosphine oxide, phenyl glyoxylic esters, anthraquinone and derivative thereof, benzil ketals and hydroxy alkyl phenol, 2,2-diethylbenzene ethyl ketone; 2-or 3-or 4-bromoacetophenone; 3-or 4-allyl benzene ethyl ketone; Benzaldehyde, benzoin; Alkyl benzoin ether, Benzophenone, benzoquinones, to diacetyl benzene, isopropyl thioxanthone, methyl thioxanthones, 4-methoxyl group benzophenone, carbazole etc., but be not limited thereto.Said cation light initiator comprises diazol, diaryl iodonium salt, triaryl sulphur father-in-law salt, alkyl father-in-law salt, iron arene salt, sulfonyl ketone and triaryl silica ether etc., but is not limited thereto.
In addition, in the UV curing materials, can also comprise other additive,, but be not limited thereto like emulsifying agent, dispersant, flow promortor, thickener, antifoaming agent, degasser, pigment, filler, levelling agent and wetting agent.
According to the present invention, on photovoltaic cell sheet, substrate, smear the UV curing materials earlier, for the smearing thickness of said UV curing materials, the present invention does not have special restriction.After smearing the UV curing materials on photovoltaic cell sheet, the substrate, said photovoltaic cell sheet, substrate in batch are dressed up photovoltaic cell component, for assemble method, belong to those skilled in the art's common practise.For example, can select one or more photovoltaic cell sheets, respectively place a slice glass substrate respectively as panel and backboard on the two sides of photovoltaic cell sheet then, then form photovoltaic cell component.
Behind the assembling photovoltaic battery component, said photovoltaic cell component is placed on carries out vacuum treatment in the vacuum plant, the vacuum degree when against vacuum is handled is preferably less than 200Pa, more preferably 100Pa; The time that against vacuum is handled is preferably 10min～1 hour, more preferably 20min～1 hour; Temperature when against vacuum is handled is preferably carried out at normal temperatures.
After said photovoltaic cell component vacuum treatment, adopt UV light with the UV curing materials cured in the photovoltaic cell component, promptly obtain photovoltaic battery panel after the cured.Preferably use the ultraviolet light of wavelength, solidify said UV curing materials shown in the ultraviolet light that preferably is used for 300nm～500nm makes,, be preferably 10min～30min for curing time as 300nm～1000nm.
Compared with prior art; The present invention uses the UV curing materials to replace EVA in traditional photovoltaic cell as the binding agent of photovoltaic cell component; Thereby when the assembling photovoltaic battery component; Can photovoltaic cell component glass be formed the arbitrary surface shape, therefore can prepare multifarious photovoltaic battery panel, thereby photovoltaic battery panel is used in wider scope.
In addition, compare with EVA adhesives of the prior art, the photovoltaic battery panel of UV curing materials preparation has ageing-resistant, cold-resistant hot alternation, humidity, in light weight, advantage that the life-span is long.According to method provided by the invention, owing to need not carry out lamination to photovoltaic cell component, but adopt the negative pressure of vacuum moulding, therefore even to the pressure of photovoltaic cell sheet, be difficult for causing battery sheet cracking.
In order further to understand the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, describe just to further specifying feature and advantage of the present invention but should be appreciated that these, rather than to the restriction of claim of the present invention.
Embodiment 1
1) the used UV curing materials of present embodiment comprises: 2 of the urethane acrylate of 80wt%, 4wt%, 2-diethylbenzene ethyl ketone as the polyacrylate of initator, 3wt% as the silicone of levelling agent, 3wt% as antifoaming agent;
2) above-mentioned UV curing materials is spread upon by on the photovoltaic cell string of a plurality of photovoltaic cell sheets welding and two glass substrates;
3) said photovoltaic cell string and two substrate in batch are dressed up photovoltaic cell component shown in Figure 1, this photovoltaic cell component is the hyperboloid shape;
4) said photovoltaic cell component is placed in the vacuum vacuum treatment 30min under the normal temperature, vacuum degree is 100Pa;
5) with photovoltaic cell component 20min in the UV-irradiation vacuum of 365nm, make the UV curing materials solidify to form photovoltaic battery panel.
Embodiment 2
1) the used UV curing materials of present embodiment comprises: the 4-bromoacetophenone of the polyester acrylate of 80wt%, 3wt% as the polyacrylate of initator, 2wt% as the silicone of levelling agent, 3wt% as antifoaming agent;
2) above-mentioned UV curing materials is spread upon by on the photovoltaic cell string of a plurality of photovoltaic cell sheets welding and two glass substrates;
3) said photovoltaic cell string and two substrate in batch are dressed up photovoltaic cell component shown in Figure 1, this photovoltaic cell component is the hyperboloid shape;
4) said photovoltaic cell component is placed in the vacuum vacuum treatment 35min under the normal temperature, vacuum degree is 100Pa;
5) with photovoltaic cell component 20min in the UV-irradiation vacuum of 365nm, make the UV curing materials solidify to form photovoltaic battery panel.
Embodiment 3
1) the used UV curing materials of present embodiment comprises: the 4-allyl benzene ethyl ketone of the polyether acrylate of 80wt%, 4wt% as the polyacrylate of initator, 3wt% as the silicone of levelling agent, 3wt% as antifoaming agent;
2) above-mentioned UV curing materials is spread upon by on the photovoltaic cell string of a plurality of photovoltaic cell sheets welding and two glass substrates;
3) said photovoltaic cell string and two substrate in batch are dressed up photovoltaic cell component shown in Figure 1, this photovoltaic cell component is the hyperboloid shape;
4) said photovoltaic cell component is placed in the vacuum vacuum treatment 40min under the normal temperature, vacuum degree is 100Pa;
5) with photovoltaic cell component 20min in the UV-irradiation vacuum of 365nm, make the UV curing materials solidify to form photovoltaic battery panel.
More than the preparation method of photovoltaic battery panel provided by the invention has been carried out detailed introduction.Used concrete example among this paper principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection range of claim of the present invention.
Claims (6)
1. the preparation method of a photovoltaic cell component comprises:
On photovoltaic cell sheet and substrate, smear the UV curing materials; Wherein, Said UV curing materials comprises oligomer and initator, and said oligomer is selected from one or more in epoxy acrylate, urethane acrylate, polyester acrylate, polyether acrylate or the acroleic acid esterification polyacrylic resin;
The photovoltaic cell sheet, the substrate in batch that scribble the UV curing materials are dressed up photovoltaic cell component, and said photovoltaic cell component has curve form;
Said photovoltaic cell component is carried out vacuum treatment at normal temperatures;
The UV curing materials that solidifies in the said photovoltaic cell component obtains photovoltaic battery panel.
2. preparation method according to claim 1 is characterized in that, said vacuum degree when carrying out vacuum treatment is less than 200Pa.
3. preparation method according to claim 2 is characterized in that, said vacuum degree when carrying out vacuum treatment is less than 100Pa.
4. preparation method according to claim 1 is characterized in that, the said processing time when carrying out vacuum treatment is 10min～1 hour.
5. according to the described preparation method of claim 1 to 4, it is characterized in that said initator is radical initiator or cationic initiator.
6. preparation method according to claim 5 is characterized in that, the UV curing materials in the said photovoltaic cell component of ultraviolet light polymerization of use 300nm-500nm obtains photovoltaic battery panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101682577A CN101826572B (en) | 2009-08-20 | 2009-08-20 | Method for manufacturing photovoltaic cell panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101682577A CN101826572B (en) | 2009-08-20 | 2009-08-20 | Method for manufacturing photovoltaic cell panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101826572A CN101826572A (en) | 2010-09-08 |
| CN101826572B true CN101826572B (en) | 2012-11-14 |
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| CN102610680B (en) * | 2012-03-22 | 2014-11-26 | 浙江华正新材料股份有限公司 | Solar battery back plate adopting ultraviolet (UV) curing weather-proof coating and manufacture method of solar battery back plate |
| US20160380146A1 (en) * | 2015-06-25 | 2016-12-29 | Alta Devices, Inc. | Pressurized heated rolling press for manufacture and method of use |
| CN105299567B (en) * | 2015-12-02 | 2019-12-10 | 上海航空电器有限公司 | curved surface conformal method for airplane formation lamp |
| CN106836659A (en) * | 2017-04-01 | 2017-06-13 | 四川浩能新能源有限公司 | A kind of photovoltaic tile |
| CN107887465A (en) * | 2017-11-14 | 2018-04-06 | 南宁可煜能源科技有限公司 | A kind of intensifying method of solar energy backboard |
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| CN1816916A (en) * | 2003-07-07 | 2006-08-09 | 陶氏康宁公司 | Encapsulation of solar cells |
| CN101132032A (en) * | 2007-09-19 | 2008-02-27 | 山东力诺太阳能电力工程有限公司 | Manufacturing method for solar optoelectronic glass curtain wall |
| CN101859809A (en) * | 2009-04-09 | 2010-10-13 | 中国科学院物理研究所 | Solar cell encapsulation structure and preparation method thereof |
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|---|---|---|---|---|
| CN1816916A (en) * | 2003-07-07 | 2006-08-09 | 陶氏康宁公司 | Encapsulation of solar cells |
| CN101132032A (en) * | 2007-09-19 | 2008-02-27 | 山东力诺太阳能电力工程有限公司 | Manufacturing method for solar optoelectronic glass curtain wall |
| CN101859809A (en) * | 2009-04-09 | 2010-10-13 | 中国科学院物理研究所 | Solar cell encapsulation structure and preparation method thereof |
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