CN203787443U - Flexible crystalline silicon solar cell module - Google Patents
Flexible crystalline silicon solar cell module Download PDFInfo
- Publication number
- CN203787443U CN203787443U CN201420134019.0U CN201420134019U CN203787443U CN 203787443 U CN203787443 U CN 203787443U CN 201420134019 U CN201420134019 U CN 201420134019U CN 203787443 U CN203787443 U CN 203787443U
- Authority
- CN
- China
- Prior art keywords
- layer
- crystal silicon
- flexible
- microns
- silicon solar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910021419 crystalline silicon Inorganic materials 0.000 title abstract description 7
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 10
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 10
- 239000002033 PVDF binder Substances 0.000 claims abstract description 8
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims abstract description 8
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 41
- 239000010703 silicon Substances 0.000 claims description 41
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 39
- 239000013078 crystal Substances 0.000 claims description 35
- 239000005341 toughened glass Substances 0.000 abstract description 5
- 239000004831 Hot glue Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 238000005538 encapsulation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 moistureproof Substances 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000013084 building-integrated photovoltaic technology Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010128 melt processing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model belongs to the field of cell modules, and particularly relates to a flexible crystalline silicon solar cell module. The flexible crystalline silicon solar cell module is composed of a transparent surface film layer (1), a hot melt adhesive film layer (2), a crystalline silicon cell layer (3), a hot melt adhesive film layer (2) and a back film layer (4) in sequence from top to bottom. The transparent surface film layer (1) is an ETFE ethylene-tetrafluoroethylene copolymer layer. The hot melt adhesive film layers (2) are EVA ethylene-vinyl acetate copolymer layers. The back film layer (4) is a PVDF polyvinylidene fluoride layer. The flexible crystalline silicon solar cell module adopts flexible material instead of traditional toughened glass package so that a crystalline silicon cell becomes flexible and can be bent, and the range of application is wider.
Description
Technical field
The utility model belongs to solar components field, is specifically related to a kind of flexible crystal silicon solar batteries assembly.
Background technology
In current photovoltaic technology application, the solar module that especially photovoltaic generation adopts, generally applies the battery component by toughened glass, EVA, crystal silicon battery, the encapsulation of PET notacoria.This assembly, due to preparation technology's restriction, causes weight and volume larger, and cost of manufacture is higher, and suppleness is bad.Along with the continuous expansion taking solar energy as main emerging renewable energy utilization, there is the limitation of application in traditional assembly with toughened glass encapsulation.Such as photovoltaic (BIPV) field that combines with building, when roof and building surface out-of-flatness, volume, weight and the pliability of traditional solar components are poor etc., and defect just comes out.
Utility model content
The purpose of this utility model is, along with the continuous expansion in photovoltaic solar component application field, overcomes the limitation of tradition with toughened glass package assembling, a kind of flexible crystal silicon solar batteries assembly of utility model, makes it lighter, has better suppleness, flexible, install simple.Described flexible crystal silicon solar batteries assembly can be arranged on out-of-flatness, curved surface, adapts to the external condition of more complexity.Described flexible crystal silicon solar batteries assembly is convenient to large area and is produced continuously, reduces costs, and can be applicable to military industry field.
For achieving the above object, the technical solution of the utility model is:
A kind of flexible crystal silicon solar batteries assembly, comprises crystal silicon battery layer, is from top to bottom made up of transparent area rete, PUR rete, crystal silicon battery layer, PUR rete and notacoria layer successively; Described transparent area rete is ethylene-tetrafluoroethylene copolymer layer, and described PUR rete is ethylene-vinyl acetate copolymer layer, and described notacoria layer is polyvinylidene fluoride layer.
The thickness of described transparent area rete is preferably 20 microns～100 microns.
The thickness of described PUR rete is preferably 50 microns～150 microns.
Described crystal silicon battery layer is monocrystalline or polycrystal silicon cell layer, and the thickness of described crystal silicon battery layer is preferably 50 microns～150 microns.
The thickness of described notacoria layer is preferably 20 microns～100 microns.
It is transparent ETFE that described flexible crystal silicon battery solar components adopts facial mask, has replaced traditional toughened glass, and its composition is ethylene-tetrafluoroethylene copolymer, is commonly called as: F-40, thickness is 20 microns～100 microns.High, the most tough fluoroplastics of described transparent ETFE transparency, good heat-resisting, chemical-resistance, electrical insulation capability, radiation hardness and mechanical performance, can be-65 to 150 DEG C of uses.
The PUR rete that described flexible crystal silicon solar batteries assembly adopts is EVA, and composition is ethylene-vinyl acetate copolymer, and thickness is 50 microns～150 microns.EVA has good chemical stability, ageing-resistant, ozone resistance.Due to its airtight foam structure, make it have better do not absorb water, moistureproof, water resistance.Resilience and the tension stress of described hot melt adhesive film EVA are high, and toughness is high, have good shockproof, shock-absorbing capacity.And it is heat insulation, heat-insulating and cold and low temperature performance excellent, can be cold-resistant and tan by the sun.
Described flexible crystal silicon solar batteries assembly, adopting multi-disc crystal silicon battery layer is flexible single, polycrystal silicon cell, thickness is 50 microns～150 microns.Compared with the hard substrate batteries such as the amorphous silicon of flexible crystal silicon battery and classic flat-plate formula crystalline silicon, glass substrate, lightweight, flexible and difficult fragmentation, more than power-weight ratio can reach 500W/Kg.Its pliability is better, is applicable to the external condition of more complexity, and weight is lighter, is easy to install.Described crystal silicon battery is contacted and is welded by tin-coated copper strip by 156*40 specification flexible battery sheet, can be bending between cell piece and cell piece; Described flexible crystal-silicon battery slice is mono-, the polycrystalline cell piece of flexible 156*156 that Zhong electricity 48Suo photoelectricity company produces, and passes through 156*40 specification (or the similar products that provide of other producer are also fine) is provided.
The notacoria that described flexible crystal silicon battery solar components adopts is opaque PVDF, and its composition is polyvinylidene fluoride, and thickness is 20 microns～100 microns.PVDF has mechanical strength and high, the mould proof property of toughness, high-wearing feature, the high osmotic-pressure-tolerant to gas and liquid, good, fire-retardant, the low cigarette of heat-resistant stability, temperature increase process in creep resistance good, purity is high, easily carry out melt processing, resistance to most of chemicals and solvent, have that rigidity and pliable and tough form, uvioresistant, nuclear radiation, shock resistance are good concurrently, weatherability, low temperature resistant reaching-40 DEG C
At-40 to 150 DEG C of applied at elevated temperatures.
Compared with prior art, advantage of the present utility model is:
1, flexible material packaged battery assembly for described battery component, makes its weight lighter, difficult broken, is easy to install.Owing to there being better suppleness, flexibility >=0.3, its application is more extensive.
2, the power-weight ratio of described battery component is 267～400W/Kg, and every square centimeter is no more than 600g, higher compared with the battery efficiency of conventional solar cell unit mass.
Brief description of the drawings
Fig. 1 is the decomposing state schematic diagram of each layer of described flexible crystal silicon solar assembly;
Wherein, the 1st, face mask layer, the 2nd, PUR rete, the 3rd, crystal silicon battery layer, the 4th, notacoria layer.
Embodiment
A kind of flexible crystal silicon solar batteries assembly, as shown in Figure 1, is from top to bottom made up of transparent area rete 1, PUR rete 2, crystal silicon battery layer 3, PUR rete 2 and notacoria layer 4 successively; Described transparent area rete 1 is ethylene-tetrafluoroethylene copolymer layer, and described PUR rete 2 is ethylene-vinyl acetate copolymer layer, and described notacoria layer 4 is polyvinylidene fluoride layer.Above-mentioned five layers through heated lamination, encapsulation forms.Described crystal silicon battery is contacted and is welded by tin-coated copper strip by 156*40 specification flexible battery sheet, can be bending between cell piece and cell piece; Described flexible crystal-silicon battery slice is that the flexible 156*156 of Zhong electricity 48Suo photoelectricity company production is mono-, polycrystalline cell piece, through being laser-cut into 156*40 specification.
The thickness of described transparent area rete 1 is 20 microns～100 microns.The thickness of described PUR rete 2 is 50 microns～150 microns.Described crystal silicon battery layer 3 is monocrystalline or polycrystal silicon cell layer, and the thickness of described crystal silicon battery layer 3 is 50 microns～150 microns.The thickness of described notacoria layer 4 is 20 microns～100 microns.
This battery component is flexible, and flexible, flexibility is 0.3.The power-weight ratio of described battery component is 267～400W/Kg, and every square centimeter is no more than 600g.
Claims (6)
1. a flexible crystal silicon solar batteries assembly, comprises crystal silicon battery layer (3), it is characterized in that, is from top to bottom made up of transparent area rete (1), PUR rete (2), crystal silicon battery layer (3), PUR rete (2) and notacoria layer (4) successively; Described transparent area rete (1) is ethylene-tetrafluoroethylene copolymer layer, and described PUR rete (2) is ethylene-vinyl acetate copolymer layer, and described notacoria layer (4) is polyvinylidene fluoride layer.
2. flexible crystal silicon solar batteries assembly according to claim 1, is characterized in that, the thickness of described transparent area rete (1) is 20 microns～100 microns.
3. flexible crystal silicon solar batteries assembly according to claim 1, is characterized in that, the thickness of described PUR rete (2) is 50 microns～150 microns.
4. flexible crystal silicon solar batteries assembly according to claim 1, is characterized in that, described crystal silicon battery layer (3) is monocrystalline or polycrystal silicon cell layer, and the thickness of described crystal silicon battery layer (3) is 50 microns～150 microns.
5. flexible crystal silicon solar batteries assembly according to claim 1, is characterized in that, the thickness of described notacoria layer (4) is 20 microns～100 microns.
6. according to the described flexible crystal silicon solar batteries assembly of one of claim 1-5, it is characterized in that, the power-weight ratio of described battery component is 267～400W/Kg, and every square centimeter is no more than 600g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420134019.0U CN203787443U (en) | 2014-03-25 | 2014-03-25 | Flexible crystalline silicon solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420134019.0U CN203787443U (en) | 2014-03-25 | 2014-03-25 | Flexible crystalline silicon solar cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203787443U true CN203787443U (en) | 2014-08-20 |
Family
ID=51323599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420134019.0U Expired - Lifetime CN203787443U (en) | 2014-03-25 | 2014-03-25 | Flexible crystalline silicon solar cell module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203787443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928553A (en) * | 2014-03-25 | 2014-07-16 | 湖南红太阳新能源科技有限公司 | Flexible crystalline silicon solar cell module |
-
2014
- 2014-03-25 CN CN201420134019.0U patent/CN203787443U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928553A (en) * | 2014-03-25 | 2014-07-16 | 湖南红太阳新能源科技有限公司 | Flexible crystalline silicon solar cell module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
| CX01 | Expiry of patent term |