CN203950817U - A kind of flexible crystal silicon solar batteries assembly - Google Patents
A kind of flexible crystal silicon solar batteries assembly Download PDFInfo
- Publication number
- CN203950817U CN203950817U CN201420134018.6U CN201420134018U CN203950817U CN 203950817 U CN203950817 U CN 203950817U CN 201420134018 U CN201420134018 U CN 201420134018U CN 203950817 U CN203950817 U CN 203950817U
- Authority
- CN
- China
- Prior art keywords
- crystal silicon
- layer
- rete
- microns
- flexible
- 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
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 45
- 239000010703 silicon Substances 0.000 title claims abstract description 45
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000013078 crystal Substances 0.000 title claims abstract description 39
- 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
- 229920001577 copolymer Polymers 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000005496 tempering Methods 0.000 abstract 1
- 239000005341 toughened glass Substances 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 244000189804 Allium porrum Species 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 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
- 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
- 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
- 229910021419 crystalline silicon Inorganic materials 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
- 239000005038 ethylene vinyl acetate Substances 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
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- -1 good Substances 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
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
- Laminated Bodies (AREA)
Abstract
The utility model belongs to battery component field, is specifically related to a kind of flexible crystal silicon solar batteries assembly.This assembly is from top to bottom comprised of transparent area rete (1), the first PUR rete (2), crystal silicon battery layer (3), the second PUR rete (5) and notacoria layer (4) successively; Described transparent area rete (1) is ETFE ethylene-tetrafluoroethylene copolymer layer, and described the first PUR rete (2) and the second PUR rete (5) are POE ethylene-octene copolymer layer, and described notacoria layer (4) is PVDF polyvinylidene fluoride layer.This battery component replaces traditional tempering glass packaging with flexible material, makes crystal silicon battery become flexible battery, can be crooked etc., apply more extensive.
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 take the continuous expansion of 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, the volume of traditional solar components, weight and pliability 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 tradition with the limitation of 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 flexible crystal silicon solar batteries assembly, comprises crystal silicon battery layer, from top to bottom transparent area rete, the first PUR rete, crystal silicon battery layer, the second PUR rete and notacoria layer, consists of successively; Described transparent area rete is ethylene-tetrafluoroethylene copolymer layer, and described the first PUR rete and the second PUR rete are ethylene-octene 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 the first PUR rete and the second PUR rete is all 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 3 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 ℃ of uses.
The hot melt adhesive film 2 that described flexible crystal silicon battery solar components adopts is POE, and composition is ethylene-octene copolymer, and thickness is 50 um～150um.POE has good chemical stability, thermal endurance, cold resistance excellence, weatherability, resistance to ag(e)ing is good, quality is light, transparency is high, higher intensity, percentage elongation and above excellent combination property.Resilience and the tension stress of described hot melt adhesive film 2POE are high, and toughness is high, have good shockproof, shock-absorbing capacity.
Described flexible crystal silicon solar batteries assembly, adopts multi-disc crystal silicon battery layer to be preferably flexible single, polycrystal silicon cell, and thickness is 50 microns～150 microns.Flexible crystal silicon battery is compared with the hard substrate batteries such as amorphous silicon of classic flat-plate formula crystalline silicon, glass substrate, and 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 crooked between cell piece and cell piece; Described flexible crystal-silicon battery slice is that the flexible 156*156 that produces of Zhong electricity 48Suo photoelectricity company is mono-, polycrystalline cell piece, 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, in the high osmotic-pressure-tolerant of gas and liquid, good, fire-retardant, the low cigarette of heat-resistant stability, temperature increase process, creep resistance is 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 ℃
At-40 to 150 ℃ 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.
Accompanying drawing explanation
Fig. 1 is the decomposing state schematic diagram of described flexible each layer of crystal silicon solar assembly;
Wherein, the 1st, face mask layer, 2 is first PUR retes, the 3rd, crystal silicon battery layer, the 4th, notacoria layer, 5 second PUR retes.
Embodiment
A flexible crystal silicon solar batteries assembly, as shown in Figure 1, is from top to bottom comprised of transparent area rete 1, the first PUR rete 2, crystal silicon battery layer 3, the second PUR rete 5 and notacoria layer 4 successively; Described transparent area rete 1 is ethylene-tetrafluoroethylene copolymer layer, and described the first PUR rete 2 and the second PUR rete 5 are ethylene-octene 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 crooked 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 the first PUR rete 2 and the second PUR rete 5 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, comprise crystal silicon battery layer (3), it is characterized in that, from top to bottom by transparent area rete (1), the first PUR rete (2), crystal silicon battery layer (3), the second PUR rete (5) and notacoria layer (4), formed successively; Described transparent area rete (1) is ethylene-tetrafluoroethylene copolymer layer, and described the first PUR rete (2) and the second PUR rete (5) are ethylene-octene 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 the first PUR rete (2) and the second PUR rete (5) 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 |
|---|---|---|---|
| CN201420134018.6U CN203950817U (en) | 2014-03-25 | 2014-03-25 | A kind of flexible crystal silicon solar batteries assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420134018.6U CN203950817U (en) | 2014-03-25 | 2014-03-25 | A kind of flexible crystal silicon solar batteries assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950817U true CN203950817U (en) | 2014-11-19 |
Family
ID=51892838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420134018.6U Expired - Lifetime CN203950817U (en) | 2014-03-25 | 2014-03-25 | A kind of flexible crystal silicon solar batteries assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203950817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119564A (en) * | 2015-09-21 | 2015-12-02 | 中国电子科技集团公司第四十八研究所 | Photovoltaic assembly resistant to accumulated snow |
-
2014
- 2014-03-25 CN CN201420134018.6U patent/CN203950817U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119564A (en) * | 2015-09-21 | 2015-12-02 | 中国电子科技集团公司第四十八研究所 | Photovoltaic assembly resistant to accumulated snow |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |