CN102339883A - Photovoltaic component - Google Patents
Photovoltaic component Download PDFInfo
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- CN102339883A CN102339883A CN2011103189505A CN201110318950A CN102339883A CN 102339883 A CN102339883 A CN 102339883A CN 2011103189505 A CN2011103189505 A CN 2011103189505A CN 201110318950 A CN201110318950 A CN 201110318950A CN 102339883 A CN102339883 A CN 102339883A
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- photovoltaic
- substrate
- photovoltaic module
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- protective layer
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a photovoltaic component, which comprises a base plate, a photovoltaic layer and a transparent protection layer, wherein the base plate is made of a fiber glass reinforced resin; the photovoltaic layer is arranged on the upper surface of the base plate and comprises at least one photovoltaic cell; and the transparent protection layer is covered on the photovoltaic layer and is made of fluoroplastic. The photovoltaic component provided by the embodiment of the invention has the advantages of simple structure, light weight, low cost and the like.
Description
Technical field
The present invention relates to a kind of solar photovoltaic assembly.
Background technology
The solar photovoltaic assembly of existing large-scale production comprises hyaline layer, photovoltaic layer and backboard from top to bottom successively; The photovoltaic module edge also comprises metal framework, and this metal framework wraps the edge of hyaline layer, photovoltaic layer and backboard to improve the structural strength of photovoltaic module.The last hyaline layer of the photovoltaic module of this type large-scale production is thicker transparency glass plate, and metal framework generally is an aluminium alloy.In the production cost of the crystal silicon solar energy battery photovoltaic module of large-scale production; The production cost of non-battery part (part that does not promptly comprise crystal silicon cell) is approximately 1 yuan/W, and wherein the production cost of transparency glass plate (going up hyaline layer) and metal framework accounts for more than 60% of production cost of non-battery part.And, no matter be metal framework, or transparency glass plate, its production cost fall is very limited, and the ratio that accounts for the production cost of solar photovoltaic assembly will be increasingly high.In addition, transparency glass plate is thicker, makes that the weight of whole solar photovoltaic assembly is big, is unfavorable for being installed in places such as roof, constructure screen wall.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.
For this reason, one object of the present invention is to propose a kind of cost photovoltaic module low, in light weight, simple in structure.
To achieve these goals, propose a kind of photovoltaic module according to embodiments of the invention, said photovoltaic module comprises substrate, and said substrate is processed by galss fiber reinforced resin; Photovoltaic layer, said photovoltaic layer are located on the upper surface of said substrate, and wherein said photovoltaic layer comprises at least one photovoltaic cell; With transparent protective layer, said protective layer covers on the said photovoltaic layer, and wherein said protective layer is processed by fluoroplastics.
According to the photovoltaic module of the embodiment of the invention through the said substrate of being processed by galss fiber reinforced resin (FRP) is set; Thereby not only can under the less situation of the thickness of said substrate, make said photovoltaic module have enough big structural strength, and can save the transparency glass plate and the metal framework of the structural strength that is used to improve photovoltaic module so that support said photovoltaic layer.Because transparency glass plate and metal framework are big, the higher parts of cost of weight in the existing photovoltaic module, thus said photovoltaic module have in light weight, cost is low, advantage of simple structure, is convenient to be installed in places such as roof, constructure screen wall.The weight of existing photovoltaic module (about 230W) approximately is 21Kg, and the weight of said photovoltaic module (about equally 230W) can be no more than 17Kg.Because said photovoltaic module does not re-use expensive metal edge frame and transparency glass plate, therefore the production cost of the non-battery part of said photovoltaic module can descend at least 20%.
And said photovoltaic module also is provided with the said protective layer of being processed by fluoroplastics; Because fluoroplastics have good intensity, resistance to wear, durability, weatherability, water resistance etc.; Therefore only the less said protective layer of thickness need be set, just can effectively protect said photovoltaic layer.So not only the weight of said photovoltaic module can be further alleviated, and the useful life of said photovoltaic module can be prolonged.
In addition, the photovoltaic module according to the embodiment of the invention can have following additional technical characterictic:
According to one embodiment of present invention, said protective layer by polytetrafluoroethylene, perfluor (ethylene, propylene) copolymer, gather in perfluoroalkoxy resin, polytrifluorochloroethylene, ethene one chlorotrifluoroethylene, Ethylene/tetrafluoroethylene, Kynoar and the polyvinyl fluoride one or more and process.
According to one embodiment of present invention, said photovoltaic module also comprises back-up coat, and said back-up coat is located on the lower surface of said substrate and is made of metal.Through said back-up coat is set, the thickness (can the thickness of said substrate be decreased to 0.5mm-3mm) of said substrate can be further reduced, thereby the weight of said substrate can be further alleviated, promptly can further alleviate the weight of said photovoltaic module.
According to one embodiment of present invention, said back-up coat sticks on through binding agent on the lower surface of said substrate or through securing member and is fixed on the lower surface of said substrate.
According to one embodiment of present invention, the thickness of said substrate is 0.5mm-10mm.Can have under the situation of enough big structural strength at said substrate like this, make said substrate have less weight.
According to one embodiment of present invention, the thickness of said substrate is 0.5mm-3mm.
According to one embodiment of present invention, said photovoltaic layer sticks on the upper surface of said substrate through binding agent.
According to one embodiment of present invention, said protective layer sticks on said substrate and the said photovoltaic layer through binding agent.
According to one embodiment of present invention, said protective layer is attached on said substrate and the said photovoltaic layer through thermocompression bonded.
According to one embodiment of present invention, said binding agent is ethylene-vinyl acetate copolymer (EVA).Ethylene-vinyl acetate copolymer has good viscosity, and said substrate, said photovoltaic layer and said protective layer are bonded together each other securely.
According to one embodiment of present invention, the thickness of said protective layer is 10 microns-250 microns.Can protect effectively under the situation of said photovoltaic layer at said protective layer like this, make said protective layer have less weight
According to one embodiment of present invention, the thickness of said protective layer is 30 microns-80 microns.
According to one embodiment of present invention, said photovoltaic cell is that a plurality of and said photovoltaic module also comprises lead, and wherein said lead links to each other so that said a plurality of photovoltaic cell is electrically connected each other with said a plurality of photovoltaic cells.Through the output voltage that a plurality of said photovoltaic cells can improve said photovoltaic module widely is set.
According to one embodiment of present invention, said photovoltaic module also comprises terminal box, and said terminal box links to each other with said photovoltaic cell so that obtain the electric energy that is produced by said photovoltaic cell.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the structural representation of photovoltaic module according to an embodiment of the invention; With
Fig. 2 is the structural representation of photovoltaic module according to another embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; It will be appreciated that; Term " vertically ", " laterally ", " on ", the orientation of indications such as D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relation be for based on orientation shown in the drawings or position relation; Only be to describe with simplifying for the ease of describing the present invention; Rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, unless otherwise prescribed and limit, need to prove; Term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection; Also can be the connection of two element internals, can be directly to link to each other, and also can link to each other indirectly through intermediary; For those of ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be.
With reference to Fig. 1 the photovoltaic module 10 according to the embodiment of the invention is described below.As shown in Figure 1, comprise substrate 100, photovoltaic layer 200 and transparent protective layer 300 according to the photovoltaic module 10 of the embodiment of the invention.
According to the photovoltaic module 10 of the embodiment of the invention through the substrate of being processed by galss fiber reinforced resin (FRP) 100 is set; Thereby not only can under the less situation of the thickness of substrate 100, make photovoltaic module 10 have enough big structural strength so that support photovoltaic layer 200, and can save the transparency glass plate and the metal framework of the structural strength that is used to improve photovoltaic module.Since transparency glass plate and metal framework be in the existing photovoltaic module weight greatly, the higher part of cost, so photovoltaic module 10 have in light weight, cost is low, advantage of simple structure, is convenient to be installed in places such as roof, constructure screen wall.The weight of existing photovoltaic module (about 230W) approximately is 21Kg, and the weight of photovoltaic module 10 (about equally 230W) can be no more than 17Kg.Because photovoltaic module 10 does not re-use expensive metal edge frame and transparency glass plate, so the production cost of the non-battery part of photovoltaic module 10 can descend at least 20%.
And photovoltaic module 10 also is provided with the protective layer of being processed by fluoroplastics 300; Because fluoroplastics have good intensity, resistance to wear, durability, weatherability, water resistance etc.; Therefore only the less protective layer of thickness 300 need be set, just can effectively protect photovoltaic layer 200.So not only the weight of photovoltaic module 10 can be further alleviated, and the useful life of photovoltaic module 10 can be prolonged.
In some embodiments of the invention, protective layer 300 can be by polytetrafluoroethylene (PTFE), perfluor (ethylene, propylene) copolymer (FEP), gather a kind of the processing in perfluoroalkoxy resin (PFA), polytrifluorochloroethylene (PCTFF), ethene one chlorotrifluoroethylene (ECTFE), Ethylene/tetrafluoroethylene (ETFE), Kynoar (PVDF) and the polyvinyl fluoride (PVF).Advantageously, protective layer 300 can be by a kind of the processing in ethene one chlorotrifluoroethylene and the Kynoar.In research process, the unexpected discovery of inventor has extremely good intensity, resistance to wear, durability, weatherability, water resistance etc. by a kind of protective layer of processing 300 in ethene one chlorotrifluoroethylene and the Kynoar.Therefore, through utilizing, can prolong the useful life of photovoltaic module 10 widely by a kind of protective layer of processing 300 in ethene one chlorotrifluoroethylene and the Kynoar.And, have the transmitance of high solar radiation by a kind of protective layer of processing 300 in ethene one chlorotrifluoroethylene and the Kynoar, absorb solar radiation hardly.
Because protective layer 300 has good intensity, resistance to wear, durability, weatherability, water resistance etc., therefore only need utilize the less protective layer of thickness 300, just be enough to photovoltaic layer 200 is effectively protected.Advantageously, the thickness of protective layer 300 can be 10 microns-250 microns, can protect effectively under the situation of photovoltaic layer 200 at protective layer 300 like this, makes protective layer 300 have less weight.Further advantageously, the thickness of protective layer 300 can be 30 microns-80 microns.
In some embodiments of the invention, protective layer 300 can stick on the photovoltaic layer 200 through binding agent.Advantageously, protective layer 300 can stick on substrate 100 and the photovoltaic layer 200 through binding agent.In other words, protective layer 300 can cover on the upper surface of photovoltaic layer 200 and whole base plate 100.So not only can protect the side of photovoltaic layer 200 more effectively, and can protect the part that is not provided with photovoltaic layer 200 of the upper surface of substrate 100, thus the useful life of further improving photovoltaic module 10.
Particularly, protective layer 300 can stick on substrate 100 and the photovoltaic layer 200 through binding agent.Advantageously, protective layer 300 can stick on through the binding agent of temperature-sensitive on substrate 100 and the photovoltaic layer 200, for example ethylene-vinyl acetate copolymer (EVA).Ethylene-vinyl acetate copolymer has good viscosity, and protective layer 300 is bonded on substrate 100 and the photovoltaic layer 200 securely.Wherein, protective layer 300 can be attached on substrate 100 and the photovoltaic layer 200 through thermocompression bonded and (can utilize known hot-press arrangement that protective layer 300 thermocompression bonded are attached on substrate 100 and the photovoltaic layer 200).Protective layer 300 can also stick on through pressure-sensitive binding agent on substrate 100 and the photovoltaic layer 200, for example glue.
As shown in Figure 2, in examples more of the present invention, photovoltaic module 10 can also comprise back-up coat 400, and back-up coat 400 can be located on the lower surface of substrate 100, and back-up coat 400 can be made of metal.Through back-up coat 400 is set, the thickness (can the thickness of substrate 100 be decreased to 0.5mm-3mm) of substrate 100 can be further reduced, thereby the weight of substrate 100 can be further alleviated, promptly can further alleviate the weight of photovoltaic module 10.Particularly, back-up coat 400 can be processed by aluminium alloy, steel etc.Advantageously, back-up coat 400 can be processed by aluminium alloy.Back-up coat 400 can be made into fenestral fabric, and promptly back-up coat 400 can be latticed.Can make photovoltaic module 10 have the weight that further alleviates substrate 100 under the situation of enough big structural strength like this.
In a concrete example of the present invention, back-up coat 400 can stick on the lower surface of substrate 100 through binding agent.Particularly, back-up coat 400 can stick on through the binding agent of temperature-sensitive on the lower surface of substrate 100, for example ethylene-vinyl acetate copolymer (EVA).Ethylene-vinyl acetate copolymer has good viscosity, and back-up coat 400 is bonded on the lower surface of substrate 100 securely.Wherein, back-up coat 400 can be attached on the lower surface of substrate 100 (can utilize known hot-press arrangement that back-up coat 400 thermocompression bonded are attached on the lower surface of substrate 100) through thermocompression bonded.Back-up coat 400 can also stick on through pressure-sensitive binding agent on the lower surface of substrate 100, for example glue.
Particularly, back-up coat 400 can be fixed on the lower surface of substrate 100 through securing member (for example screw).Can be provided with a plurality of through holes on the back-up coat 400, and can be provided with a plurality of installing holes on the lower surface of substrate 100, wherein a plurality of through holes can be corresponding one by one on quantity and position with a plurality of installing holes.A plurality of securing members (for example screw) can pass a plurality of through holes respectively accordingly and can be installed in accordingly respectively in a plurality of installing holes so that back-up coat 400 is fixed on the lower surface of substrate 100.Advantageously, a plurality of through holes can be distributed on the back-up coat 400 equally spacedly, and a plurality of installing hole can be distributed on the lower surface of substrate 100 equally spacedly.
Because galss fiber reinforced resin has bigger rigidity, therefore only need utilize the less substrate of thickness 100, just be enough to support photovoltaic layer 200.Advantageously, the thickness of substrate 100 can be 0.5mm (millimeter)-10mm, can have under the situation of enough big structural strength at substrate 100 like this, makes substrate 100 have less weight.Further advantageously, the thickness of substrate 100 can be 0.5mm-3mm.
In one embodiment of the invention, photovoltaic layer 200 can stick on the upper surface of substrate 100 through binding agent.Particularly, photovoltaic layer 200 can stick on through the binding agent of temperature-sensitive on the upper surface of substrate 100, for example ethylene-vinyl acetate copolymer (EVA).Ethylene-vinyl acetate copolymer has good viscosity, and photovoltaic layer 200 is bonded on the upper surface of substrate 100 securely.Wherein, photovoltaic layer 200 can be attached on the upper surface of substrate 100 (can utilize known hot-press arrangement that photovoltaic layer 200 thermocompression bonded are attached on the upper surface of substrate 100) through thermocompression bonded.Photovoltaic layer 200 can also stick on through pressure-sensitive binding agent on the upper surface of substrate 100, for example glue.
In an example of the present invention, said photovoltaic cell can be a plurality of, and photovoltaic module 10 can also comprise lead, and wherein said lead can link to each other so that said a plurality of photovoltaic cell is electrically connected each other with said a plurality of photovoltaic cells.Through the output voltage that a plurality of said photovoltaic cells can improve photovoltaic module 10 widely is set.Wherein, can confirm the quantity of said photovoltaic cell according to actual needs.
In some embodiments of the invention, photovoltaic module 10 can also comprise the terminal box (not shown), and said terminal box can link to each other with said photovoltaic cell so that obtain the electric energy that is produced by said photovoltaic cell.Particularly, said terminal box can be electrically connected with said photovoltaic cell through first output lead and second output lead in known manner.Wherein, first outer conductor can in said terminal box, link to each other with said first output lead and second outer conductor can in said terminal box, link to each other with said second output lead in case the power delivery that said photovoltaic cell is produced to power device.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.
Claims (14)
1. a photovoltaic module is characterized in that, comprising:
Substrate, said substrate is processed by galss fiber reinforced resin;
Photovoltaic layer, said photovoltaic layer are located on the upper surface of said substrate, and wherein said photovoltaic layer comprises at least one photovoltaic cell; With
Transparent protective layer, said protective layer cover on the said photovoltaic layer, and wherein said protective layer is processed by fluoroplastics.
2. photovoltaic module according to claim 1; It is characterized in that, said protective layer by polytetrafluoroethylene, perfluor (ethylene, propylene) copolymer, gather in perfluoroalkoxy resin, polytrifluorochloroethylene, ethene one chlorotrifluoroethylene, Ethylene/tetrafluoroethylene, Kynoar and the polyvinyl fluoride one or more and process.
3. photovoltaic module according to claim 1 is characterized in that, also comprises back-up coat, and said back-up coat is located on the lower surface of said substrate and is made of metal.
4. photovoltaic module according to claim 3 is characterized in that, said back-up coat sticks on through binding agent on the lower surface of said substrate or through securing member and is fixed on the lower surface of said substrate.
5. photovoltaic module according to claim 1 is characterized in that, the thickness of said substrate is 0.5mm-10mm.
6. photovoltaic module according to claim 5 is characterized in that, the thickness of said substrate is 0.5mm-3mm.
7. photovoltaic module according to claim 1 is characterized in that said photovoltaic layer sticks on the upper surface of said substrate through binding agent.
8. photovoltaic module according to claim 1 is characterized in that, said protective layer sticks on said substrate and the said photovoltaic layer through binding agent.
9. photovoltaic module according to claim 8 is characterized in that, said protective layer is attached on said substrate and the said photovoltaic layer through thermocompression bonded.
10. according to claim 7 or 8 described photovoltaic modulies, it is characterized in that said binding agent is an ethylene-vinyl acetate copolymer.
11. photovoltaic module according to claim 1 is characterized in that, the thickness of said protective layer is 10 microns-250 microns.
12. photovoltaic module according to claim 11 is characterized in that, the thickness of said protective layer is 30 microns-80 microns.
13. according to each described photovoltaic module among the claim 1-12; It is characterized in that; Said photovoltaic cell is that a plurality of and said photovoltaic module also comprises lead, and wherein said lead links to each other so that said a plurality of photovoltaic cell is electrically connected each other with said a plurality of photovoltaic cells.
14., it is characterized in that according to each described photovoltaic module among the claim 1-12, also comprise terminal box, said terminal box links to each other with said photovoltaic cell so that obtain the electric energy that is produced by said photovoltaic cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103189505A CN102339883A (en) | 2011-10-19 | 2011-10-19 | Photovoltaic component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103189505A CN102339883A (en) | 2011-10-19 | 2011-10-19 | Photovoltaic component |
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| CN102339883A true CN102339883A (en) | 2012-02-01 |
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| CN2011103189505A Pending CN102339883A (en) | 2011-10-19 | 2011-10-19 | Photovoltaic component |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544158A (en) * | 2012-02-07 | 2012-07-04 | 泰通(泰州)工业有限公司 | Crystalline silicon photovoltaic module packaged by ETFE (Ethyl Tetrafluoroethylene) |
| CN104409537A (en) * | 2014-12-11 | 2015-03-11 | 东莞职业技术学院 | Resin-protected solar cell panel |
| CN110137285A (en) * | 2018-02-08 | 2019-08-16 | 光之科技发展(昆山)有限公司 | A kind of solar module and preparation method thereof for building field |
| CN113659920A (en) * | 2021-08-10 | 2021-11-16 | 正兴建设集团股份有限公司 | Photovoltaic curtain wall power supply system |
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| JP2001349013A (en) * | 2000-04-04 | 2001-12-21 | Canon Inc | Exterior finishing material, solar battery module, its manufacturing method, manufacturing apparatus, and construction method it, building and solar photovoltaic power generator |
| JP2007208213A (en) * | 2006-02-06 | 2007-08-16 | Ntt Facilities Inc | Power-generating system utilizing solar cell and mounting method for solar cell |
| JP2010067622A (en) * | 2008-09-08 | 2010-03-25 | Ntt Facilities Inc | Solar cell module, and method for installing the same |
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2011
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Patent Citations (3)
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| JP2001349013A (en) * | 2000-04-04 | 2001-12-21 | Canon Inc | Exterior finishing material, solar battery module, its manufacturing method, manufacturing apparatus, and construction method it, building and solar photovoltaic power generator |
| JP2007208213A (en) * | 2006-02-06 | 2007-08-16 | Ntt Facilities Inc | Power-generating system utilizing solar cell and mounting method for solar cell |
| JP2010067622A (en) * | 2008-09-08 | 2010-03-25 | Ntt Facilities Inc | Solar cell module, and method for installing the same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544158A (en) * | 2012-02-07 | 2012-07-04 | 泰通(泰州)工业有限公司 | Crystalline silicon photovoltaic module packaged by ETFE (Ethyl Tetrafluoroethylene) |
| CN104409537A (en) * | 2014-12-11 | 2015-03-11 | 东莞职业技术学院 | Resin-protected solar cell panel |
| CN110137285A (en) * | 2018-02-08 | 2019-08-16 | 光之科技发展(昆山)有限公司 | A kind of solar module and preparation method thereof for building field |
| CN113659920A (en) * | 2021-08-10 | 2021-11-16 | 正兴建设集团股份有限公司 | Photovoltaic curtain wall power supply system |
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Application publication date: 20120201 |