CN206441745U - A kind of high reflection packaging adhesive film for solar cell - Google Patents
A kind of high reflection packaging adhesive film for solar cell Download PDFInfo
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- CN206441745U CN206441745U CN201621067076.7U CN201621067076U CN206441745U CN 206441745 U CN206441745 U CN 206441745U CN 201621067076 U CN201621067076 U CN 201621067076U CN 206441745 U CN206441745 U CN 206441745U
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- adhesive film
- solar cell
- high reflection
- reflections
- packaging adhesive
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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
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Abstract
The utility model is related to a kind of high reflection packaging adhesive film for solar cell, including transparent adhesive film and the zone of reflections, and the zone of reflections winds the parallel one side of bearing of trend with it in transparent adhesive film or both sides fringe region is set.The described zone of reflections is white reflection film or the reflectance coating for having concavo-convex reflecting surface.The packaging adhesive film, simple production process is easy, can lift the generating efficiency of solar cell module, while cost is more competitive and can keep the premium properties of original packaging adhesive film.
Description
Technical field
The utility model is related to the high reflection packaging plastic on a kind of packaging adhesive film, more particularly to a kind of solar cell module
Film, belongs to field of new energy technologies.
Background technology
Solar energy is a kind of inexhaustible clean energy resource, and solar cell is the important shape of application of solar energy
One of formula, with boundless application prospect.Solar cell is typically used out of doors, bad environments, and solar cell
Easily corroded, it is necessary to be protected by protection construction.It is usually by multi-disc solar cell string in actual use
Weldering is got up, and is combined with protection construction, is formed solar cell module.The effect of packaging adhesive film is exactly by solar cell and protection
Construction such as glass and backboard is bonded together, at present using it is more be EVA adhesive film, POE glued membranes and PVB glued membranes.
Solar cell by receive generating by solar, it is necessary to side to light packaging adhesive film have higher light transmittance, it is traditional
Packaging adhesive film is generally clear, colorless.And shady face produces electric energy due to that can not absorb sunlight, packaging adhesive film printing opacity is not required, closely
There is very polychromophil back side packaging adhesive film in the market over year, such as white high reflection packaging adhesive film, and it can be in bonding cell piece
There is provided good reflective while with backboard or glass, pass through the light weight without cell piece overlay area in reflection subassembly
It is new to reach cell piece, and then by reabsorption, therefore can help to improve the power of solar cell.This high reflection glued membrane can increase
Cost, improves process complexity, and most areas is covered with cell piece in solar components, is distributed in cell piece
The high reflection glued membrane of underface, it is very limited to proposing high-power contribution due to blocking for cell piece, some can be brought to ask on the contrary
Topic：First, existing transparent enclosure glued membrane production technology is highly developed, and have passed through the test of long-term outdoor application, and performance can
Lean on；And add reflective filler wherein and be possible to that some performances of glued membrane can be caused largely to decline, it is such as specific insulation, viscous
Relay, tensile strength, the degree of cross linking etc., influence the packaging effect of glued membrane.Secondly as the effect of blocking of cell piece, reaches electricity
Light immediately below the piece of pond is generally longer wavelengths of infrared band light, is reflexed to by high reflection glued membrane on cell piece, can be improved
The temperature of cell piece, is unfavorable for the work of solar cell.With the development of technology, the application of high reflection packaging adhesive film is also at certain
A little fields are restricted, and such as have a kind of two-sided cell piece that can be generated electricity in the market, if being sealed at its back side using high reflection
Dress glue can block the incident light for the cell backside that can be generated electricity, and lose more than gain.In addition, high reflection packaging plastic is due in whole component area
Domain all sets reflective colloid, contain when using reflective filler colloid it is easy on spill over above cell piece, keep the sun off, so that shadow
Ring component facade and generating effect.
Exploitation one kind can help solar cell to improve power, while having higher cost performance and cost advantage, make
It is more extensive with scope, convenient and easy, the problem of appearance such as no intersection edge is not neat, and to other performance impacts of glued membrane compared with
Small technology is very necessary.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, and provides a kind of high reflection packaging adhesive film for solar cell,
Simple production process is easy, can lift the generating efficiency of solar cell module, while cost is more competitive and can keep
The premium properties of original packaging adhesive film, is adapted to large-scale promotion.
The technical scheme that the utility model is taken is：
A kind of high reflection packaging adhesive film for solar cell, including transparent adhesive film and the zone of reflections, the zone of reflections is in transparent adhesive film
The parallel one side of bearing of trend is wound with it or both sides fringe region is set.
Described reflection strip length is no longer than transparent adhesive film length, and the described zone of reflections is continuously or discontinuously distributed.
The width range of the described zone of reflections is 1~490mm, preferably 5~200mm.
The described zone of reflections preferably winds the parallel both sides fringe region of bearing of trend with it in transparent adhesive film and is respectively provided with.
The described zone of reflections is white reflection film or the reflectance coating for having concavo-convex reflecting surface.
Described white reflection film, the average reflectance in 300~1100nm wave-length coverages reaches 10%~100%.
White reflection film is will be all or part of by particulate matters such as addition titanium dioxide in the range of the certain wide cut in transparent adhesive film edge
White colouring, assigns its certain reflecting effect.Such a white reflection film heat fusing temperature refers to higher than transparent adhesive film or melting
Number is less than transparent adhesive film, to avoid interface from interpenetrating.
Described white reflection film is made up of addition reflective particles, and reflective particles are titanium dioxide, glass microballoon, carbonic acid
Calcium, silica, aluminum oxide, zinc oxide, pearl essence, ceramic fine bead, barium sulfate, zinc sulphide, lithopone, fluorescent material, three oxygen
Change the one or more in two iron；
Described zone of reflections material is ethylene-vinyl acetate copolymer, polyvinyl butyral resin, polyurethane, polypropylene
In acid system resin, silica gel, ionomer, epoxy resin, polyolefin, polyisobutene, polypropylene, polyethylene, PET, PVC, metal foil
One or more.
The described reflectance coating for having concavo-convex reflecting surface is in the side surface attachment male and fomale(M＆F) of transparent adhesive film or in transparent adhesive tape
Reflectance coating formed by concaveconvex structure, the preferably concavo-convex reflectance coating of zigzag are embedded with inside film.
Described transparent adhesive film material can for ethylene-vinyl acetate copolymer, polyvinyl butyral resin, polyurethane,
One or more in polyacrylic based resin, silica gel, ionomer, epoxy resin, polyolefin.
Some existing technology paths are advocated to set reflecting structure in the region that solar components whether there is cell piece, so done
Process will certainly be increased, it is necessary to which echo area is arranged at into specific region before component lamination, and cell piece be it is very fragile,
Increase process, easily improves cell piece fragmentation, the hidden probability split before cell piece is not encapsulated, and reduces yield.And solar energy
In battery component, most of area in two short side edge regions is occupied by busbar, and busbar inherently has certain reflective
Effect, and short side is just smaller than long side without the original area of battery panel region, therefore the effect of reflective areas is separately set in the region
Less, cost has been raised on the contrary, process complexity is added, and cost performance is not high.
Packaging adhesive film of the present utility model, reflecting effect without battery panel region with all setting the battery component of reflective areas
It is more or less the same, any process of the component manufacturing side will not be increased, and for glued membrane production, because existing packaging adhesive film is
Volume to volume technique continuous extrusion and wind, only winding direction one side or both sides set reflector space, in existing skill
It is also very simple and easy to do under the conditions of art.The raising reflection that the utility model can both meet solar cell module is required, is improved
The generating efficiency of solar cell module, and process of deployment can be simplified, save laying and production cost；While simple production process
It is easy, using in extensive range, with higher cost advantage and cost performance, it can substantially improve and even completely eliminate containing reflective
The problem of cell piece surface keeps the sun off is spilt on the packaging plastic of filler, and compared with existing high reflection packaging plastic, is conducive to
The operating temperature of solar cell is reduced, the good characteristic of original transparent enclosure glued membrane can be maintained to a greater extent again.This reality
Component yield, cost-effective, suitable large-scale promotion are favorably improved with new.
Brief description of the drawings
Fig. 1 is white packaging adhesive film；
Fig. 2 is the utility model packaging adhesive film, and there are the zone of reflections, b in a both sides while there is the zone of reflections；
Fig. 3 is the type (longitudinal section) of the utility model zone of reflections；
Wherein 1. transparent adhesive films, 2. zones of reflections.
Embodiment
Technical scheme is described in further detail below by specific embodiment.
Embodiment 1
A kind of high reflection packaging adhesive film for solar cell, including transparent adhesive film 1 and the zone of reflections 2, transparent adhesive film 1 and its
Wind the parallel both sides fringe region of bearing of trend and be provided with the zone of reflections 2.The zone of reflections is distributed since transparent adhesive film edge, and width is
20mm, thickness is 0.5mm, and the zone of reflections is white EVA adhesive film, from Samsung 280PV, and 7wt% titanium dioxides are added wherein and (are selected
Du Pont TS-6200) and organic peroxide crosslinking agent, silane coupler, assistant crosslinking agent, antioxidant in one or more it is former
Material；Transparent adhesive film is transparent EVA glued membrane, and thickness is 0.5mm, and width is 313mm, from Celanese 2825A, is added wherein
One or more raw materials in organic peroxide crosslinking agent, silane coupler, assistant crosslinking agent, antioxidant.
Preparation method is：Reflection carrying raw material and transparent adhesive film raw material are stirred respectively, melting extrusion respectively is squeezed into
Type is together.
Embodiment 2
A kind of high reflection packaging adhesive film for solar cell, in transparent adhesive film and its one side side that to wind bearing of trend parallel
Edge region is provided with the zone of reflections；
The zone of reflections at the distance transparent glued membrane edge 5mm be distributed, width is 15mm.The zone of reflections be zigzag aluminium foil or
Person has the concavo-convex aluminum plated PET film of zigzag, and thickness is 0.06mm.Transparent adhesive film is Foster transparent EVA F806.During preparation
The zone of reflections is arranged to transparent adhesive film respective regions in the way of hot pressing.
Embodiment 3
A kind of high reflection packaging adhesive film for solar cell, in transparent adhesive film and its both sides side that to wind bearing of trend parallel
Edge region is provided with the zone of reflections；
The zone of reflections is distributed since transparent area edge, and width 400mm, thickness is 0.05mm, in the side of transparent adhesive film, instead
Penetrate band and select Samsung F920A and POE mixed materials, and add 12wt% and handed over purchased from 3M glass microballoon and organic peroxide
Join one or more raw materials in agent, silane coupler, assistant crosslinking agent, antioxidant；Transparent adhesive film is saturating from the F806 of Foster
Bright EVA adhesive film, wide cut is 957mm, and thickness is 0.45mm.
Preparation method：Reflection carrying raw material is well mixed, melting extrusion, and pressed with transparent adhesive film in respective regions.
Embodiment 4
A kind of high reflection packaging adhesive film for solar cell, in transparent adhesive film and its both sides side that to wind bearing of trend parallel
Edge region is provided with the zone of reflections；
The zone of reflections is distributed since transparent adhesive film edge, and width 150mm, thickness is 0.6mm, in the both sides of transparent adhesive film.
The zone of reflections selects PVB materials, and adds 8wt% titanium dioxides (Du Pont TS-6200) and organic peroxide crosslinking agent, silane idol
Join one or more raw materials in agent, assistant crosslinking agent, antioxidant；Transparent adhesive film is transparent EVA glued membrane, from Samsung 280PV, and
One or more raw materials in organic peroxide cross-linking agent, silane coupler, assistant crosslinking agent, antioxidant is wherein added；Thoroughly
The total wide cut in area pellucida is 457mm, and both sides edge thickness is 0.1mm, and width 150mm, intermediate zone thicknesses are 0.7mm, width
157mm。
Preparation method：The zone of reflections and transparent adhesive film raw material are stirred respectively, melting extrusion, and according to ad hoc fixed chi
Very little heating is pressed together.
Embodiment 5
A kind of high reflection packaging adhesive film for solar cell, in transparent adhesive film and its both sides side that to wind bearing of trend parallel
Edge region is provided with the zone of reflections；
The zone of reflections is distributed since transparent adhesive film edge, and width 150mm, thickness is 0.6mm, in the both sides of transparent adhesive film.
The zone of reflections selects Samsung 282PV, and adds 8wt% titanium dioxides (Du Pont TS-6200) and organic peroxide crosslinking agent, silane
One or more raw materials in coupling agent, assistant crosslinking agent, antioxidant；Transparent adhesive film is Celanese 2803G, and is added wherein
One or more raw materials in organic peroxide crosslinking agent, silane coupler, assistant crosslinking agent, antioxidant；Transparent adhesive film beam overall
Width is 457mm, and both sides edge thickness is 0.1mm, and width 150mm, intermediate zone thicknesses are 0.7mm, width 157mm.
Preparation method：The zone of reflections and transparent adhesive film raw material are stirred respectively, melting extrusion, and according to ad hoc fixed chi
Very little heating is pressed together.
Comparative example 1
A kind of high reflection packaging adhesive film for solar cell, is white EVA adhesive film, from Celanese 2825A, is added wherein
Enter 4wt% titanium dioxide, (Du Pont TS-6200) and organic peroxide crosslinking agent, silane coupler, assistant crosslinking agent, antioxygen
One or more raw materials in agent；Thickness is 0.7mm, and width is 457mm.
Preparation method：Raw material is stirred, melting extrusion and the size for being processed into setting.
Comparative example 2
A kind of high reflection packaging adhesive film for solar cell, the zone of reflections is provided with four side fringe regions of transparent adhesive film；
Glued membrane total length is 638mm, and total wide cut is 457mm.The zone of reflections is distributed since transparent adhesive film edge, width
150mm, thickness is 0.6mm, and the both sides of bearing of trend are wound in transparent adhesive film；Relative both sides, since edge, also divide in addition
It is furnished with width 5mm, the thickness 0.6mm zone of reflections.The zone of reflections selects PVB materials, and adds 8wt% titanium dioxides (Du Pont TS-
6200) one or more raw materials and in organic peroxide crosslinking agent, silane coupler, assistant crosslinking agent, antioxidant；It is transparent
Glued membrane is transparent EVA glued membrane, from Samsung 280PV, and adds organic peroxide cross-linking agent, silane coupler wherein, helps
One or more raw materials in crosslinking agent, antioxidant；The total wide cut in clear area is 457mm, the both sides parallel with winding bearing of trend
Edge thickness is 0.1mm, width 150mm, in addition relative both sides, and since edge, thickness is 0.1mm, and width is 5mm, in
Between area thickness be 0.7mm, width 157mm.
Preparation method：The zone of reflections and transparent adhesive film raw material are stirred respectively, melting extrusion, and according to ad hoc fixed chi
Little progress row is cut, and reheating is pressed together.
Test sample preparation method：
It is with reference to the preparation method of in the market solar components, cell piece series welding is good, successively by photovoltaic glass, transparent enclosure
Glued membrane, cell piece, high reflection packaging adhesive film, photovoltaic glass laying together, and are laminated.Laminating technology is 150 degrees Celsius,
Vacuumize 5 minutes, pressurize 1 minute, pressurize 13 minutes.
Photovoltaic glass length is 638mm, and width is identical with the packaging adhesive film wide cut arranged in pairs or groups therewith.Cell piece selects polysilicon
Cell piece, size is 156 × 156mm.During making sample by cell piece series welding together, glass middle position is positioned over, is avoided
It is overlapping with the reflector space of packaging adhesive film, and cell piece of arranging to greatest extent the transparent region more.
Effect comparison such as table 1.
Table 1
The peak power of embodiment 4 is 10.1878W, and the peak power of comparative example 2 is 10.2031W, and comparative example power gain increases
Add less than 0.15%, embodiment differs unobvious with comparative example power gain effect, the utility model influences on reflecting effect
Less, it can but simplify process of deployment, save laying and production cost, more conducively promote.
Above is the present invention is discussed in detail in conjunction with specific embodiments, protection scope of the present invention not limited to this.
Claims (11)
1. a kind of high reflection packaging adhesive film for solar cell, including transparent adhesive film and the zone of reflections, it is characterized in that, the zone of reflections is transparent
Glued membrane wind the parallel one side of bearing of trend with it or both sides fringe region is set.
2. a kind of high reflection packaging adhesive film for solar cell according to claim 1, it is characterized in that, described reflection belt length
Degree is no longer than transparent adhesive film length, and the described zone of reflections is continuously or discontinuously distributed.
3. a kind of high reflection packaging adhesive film for solar cell according to claim 1, it is characterized in that, the described zone of reflections
Width range is 1~490mm.
4. a kind of high reflection packaging adhesive film for solar cell according to claim 1, it is characterized in that, described zone of reflections choosing
The parallel both sides fringe region of bearing of trend is wound in transparent adhesive film with it to be respectively provided with.
5. a kind of high reflection packaging adhesive film for solar cell according to claim 1, it is characterized in that, the described zone of reflections is
White reflection film or the reflectance coating for having concavo-convex reflecting surface.
6. a kind of high reflection packaging adhesive film for solar cell according to claim 5, it is characterized in that, described white reflective
Film heat fusing temperature is different from transparent adhesive film；Or white reflection film melt index is different from transparent adhesive film.
7. a kind of high reflection packaging adhesive film for solar cell according to claim 6, it is characterized in that, described white reflective
Film heat fusing temperature is higher than transparent adhesive film；Or white reflection film melt index is less than transparent adhesive film.
8. a kind of high reflection packaging adhesive film for solar cell according to claim 5, it is characterized in that, described white reflective
Average reflectance of the film in 300~1100nm wave-length coverages reaches 10%~100%.
9. a kind of high reflection packaging adhesive film for solar cell according to claim 5, it is characterized in that, described white reflective
Film is made up of addition reflective particles.
10. a kind of high reflection packaging adhesive film for solar cell according to claim 5, it is characterized in that, described has bumps
The reflectance coating of reflecting surface be the side surface attachment male and fomale(M＆F) of transparent adhesive film or be embedded with inside transparent adhesive film concaveconvex structure and
The reflectance coating of formation.
11. a kind of high reflection packaging adhesive film for solar cell according to claim 5, it is characterized in that, described has bumps
The reflectance coating of reflecting surface is the concavo-convex reflectance coating of zigzag.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621067076.7U CN206441745U (en) | 2016-09-21 | 2016-09-21 | A kind of high reflection packaging adhesive film for solar cell |
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| CN201621067076.7U CN206441745U (en) | 2016-09-21 | 2016-09-21 | A kind of high reflection packaging adhesive film for solar cell |
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| CN206441745U true CN206441745U (en) | 2017-08-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108242476A (en) * | 2017-12-22 | 2018-07-03 | 常州百佳年代薄膜科技股份有限公司 | Welding reflecting assembly, reflective solder strip and photovoltaic cell component and preparation method thereof |
| CN111113843A (en) * | 2019-12-17 | 2020-05-08 | 杭州福斯特应用材料股份有限公司 | Preparation method of photovoltaic packaging adhesive film |
| CN111312842A (en) * | 2019-12-02 | 2020-06-19 | 山东景白新材料科技有限公司 | Laying method of reflective film for photovoltaic module |
| CN111490121A (en) * | 2020-03-31 | 2020-08-04 | 常州汉韦聚合物有限公司 | Local diffuse reflection packaging material and application thereof |
| CN115637112A (en) * | 2022-09-09 | 2023-01-24 | 浙江帝龙光电材料有限公司 | Co-extrusion white EVA (ethylene-vinyl acetate) adhesive film and preparation method thereof |
-
2016
- 2016-09-21 CN CN201621067076.7U patent/CN206441745U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108242476A (en) * | 2017-12-22 | 2018-07-03 | 常州百佳年代薄膜科技股份有限公司 | Welding reflecting assembly, reflective solder strip and photovoltaic cell component and preparation method thereof |
| CN108242476B (en) * | 2017-12-22 | 2020-03-17 | 常州百佳年代薄膜科技股份有限公司 | Preparation method of light reflecting assembly for welding strip |
| CN111312842A (en) * | 2019-12-02 | 2020-06-19 | 山东景白新材料科技有限公司 | Laying method of reflective film for photovoltaic module |
| CN111312842B (en) * | 2019-12-02 | 2023-12-01 | 山东景白新材料科技有限公司 | Paving method of reflective film for photovoltaic module |
| CN111113843A (en) * | 2019-12-17 | 2020-05-08 | 杭州福斯特应用材料股份有限公司 | Preparation method of photovoltaic packaging adhesive film |
| CN111113843B (en) * | 2019-12-17 | 2022-06-14 | 杭州福斯特应用材料股份有限公司 | Preparation method of photovoltaic packaging adhesive film |
| CN111490121A (en) * | 2020-03-31 | 2020-08-04 | 常州汉韦聚合物有限公司 | Local diffuse reflection packaging material and application thereof |
| CN115637112A (en) * | 2022-09-09 | 2023-01-24 | 浙江帝龙光电材料有限公司 | Co-extrusion white EVA (ethylene-vinyl acetate) adhesive film and preparation method thereof |
| CN115637112B (en) * | 2022-09-09 | 2023-09-26 | 浙江帝龙光电材料有限公司 | Co-extrusion white EVA adhesive film and preparation method thereof |
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