CN204741023U - Novel flexible solar panel - Google Patents
Novel flexible solar panel Download PDFInfo
- Publication number
- CN204741023U CN204741023U CN201520504781.8U CN201520504781U CN204741023U CN 204741023 U CN204741023 U CN 204741023U CN 201520504781 U CN201520504781 U CN 201520504781U CN 204741023 U CN204741023 U CN 204741023U
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- CN
- China
- Prior art keywords
- solar panel
- solar cell
- monocrystalline silicon
- cell panel
- flexible solar
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Photovoltaic Devices (AREA)
Abstract
The utility model provides a novel flexible solar panel, has improved flexible solar panel's generating efficiency, has reduced manufacturing cost. Wherein, transparent zinc oxide conductive thin film has replaced original grid line motor as solar cell panel's upper electrode, has reduced solar cell panel because the grid line shade shelters from the optics loss that causes, has reduced the contact resistance that the solar cell panel grid line caused, wherein, monocrystalline silicon piece adopts chemical attack technology, with monocrystalline silicon piece surface making herbs into wool, has reduced monocrystalline silicon piece's reflectivity, improves the absorption rate of monocrystalline silicon piece to the sunlight, wherein, the solar cell panel lower surface has passed through passivation treating, has reduced flexible solar cell panel's electricity loss, wherein, monocrystalline silicon thickness is 100 microns, adopts EVA plastic package, makes solar cell panel have the flexibility.
Description
Technical field
The utility model belongs to solar energy materials technology, relates to a kind of novel flexible solar panel.
Background technology
At present, widely used solar energy photovoltaic panel is crystal silicon solar batteries plate, amorphous silicon thin-film solar cell.Crystal silicon solar batteries plate is mainly used in electricity generation system, has the advantage that cost is low, efficiency is high.Crystal silicon solar batteries plate surface adopts metal grid lines as upper guide electrode, and bottom metallic plate is as lower guide electrode.Crystal-silicon battery slice is encapsulated in the glass shell of hard, causes crystal silicon solar batteries thickness of slab weight, portability poor.Amorphous silicon thin-film solar cell cost is high, and electricity conversion is low, applies less.
Summary of the invention
The shortcoming that crystal silicon solar batteries thickness of slab is heavy in order to solve, portability is poor, the utility model provides a kind of novel flexible solar panel.This novel flexible solar panel has flexibility, reduces the optical loss of solar panel, reduces the contact resistance of solar panel, reduces the electricity loss of solar panel, improves the electricity conversion of solar panel.
The technical scheme that the utility model is taked is: at monocrystalline silicon sheet surface, and prepare the upper electrode of one deck zinc oxide conductive thin film as solar panel, its thickness is 300 nanometers, instead of original metal grid lines electrode; Adopt chemical etching technology at monocrystalline silicon piece, monocrystalline silicon sheet surface is carried out suede process.
Feature of the present utility model is also:
Wherein, the material of solar panel is monocrystalline silicon, and thickness is 100 microns.
Wherein, solar panel surface has porous nano silica antireflective coating.
Wherein, solar panel lower surface has been through Passivation Treatment.
Wherein, solar panel lower electrode is made up of filamentary silver.
Wherein, solar panel adopts EVA Plastic Package.
The beneficial effects of the utility model are the generating efficiencies that improve flexible solar panel, reduce production cost.Wherein, transparent zinc oxide conductive thin film instead of the upper electrode of original grid line motor as solar panel, reduce solar panel and block due to grid line shade the optical loss caused, reduce that solar panel grid line causes contact resistance; Wherein, monocrystalline silicon piece adopts chemical etching technology, by monocrystalline silicon sheet surface making herbs into wool, reduces the reflectivity of monocrystalline silicon piece, improves monocrystalline silicon piece to the absorptivity of sunlight; Wherein, solar panel lower surface have passed through Passivation Treatment, reduces the electricity loss of flexible solar panel; Wherein, monocrystalline silicon thickness is 100 microns, adopts EVA Plastic Package, makes solar panel be provided with flexibility.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is sectional view of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Fig. 3 is antireflective coating technical schematic diagram of the present utility model.
Fig. 4 is surperficial suede technical schematic diagram of the present utility model.
1.N type monocrystalline silicon in figure, 2.P type monocrystalline silicon, 3. surface passivated membrane, 4. bottom silver grating line electrode, 5. top flexible transparent electrode, 6. surface light trap, 7.EVA plastic film.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
In the embodiment shown in fig. 1, the main body of novel flexible solar panel is the PN junction that n type single crystal silicon (1) is formed with p type single crystal silicon (2), n type single crystal silicon (1) uses monocrystalline silicon piece at high temperature to adopt thermal diffusion technology to make: under 70 celsius temperatures, room and point defect can be produced, liquid state diffusion Substance P OCl between single crystal solid Atom
3carry out warm-up movement by the room between high temperature lower mono-crystalline silicon atom and point defect, spread to low concentration region by high concentration, through peroxidating, prediffusion, to distribute three processes again, finally form n type single crystal silicon (1).P type single crystal silicon (2) uses aluminium source to make under equivalent environment.
Surface passivated membrane (3) is passing into silane and ammonia silicon nitride layer obtained under 1200 celsius temperatures, and its thickness is about 20 nanometers.
Top flexible transparent electrode (5) is the GZO conductive film utilizing radiofrequency magnetron sputtering technology to be formed on EVA plastic film (7) substrate with GaN resilient coating, and GZO conductive film main component is the zinc oxide containing gallium doping.
Formed after surface light trap (6) soaks in etchant solution, etchant solution be hydrogen fluoride, nitric acid, deionized water according to the ratio mixed preparing of 1:2:50, reaction temperature is normal temperature.
EVA plastic film (7) adopts lamination compacting encapsulation to form, and EVA plastic film (7) thickness is 0.1 millimeter.Encapsulate thick flexible solar panel and there is flexibility.The color of flexible solar panel can be changed by the color changing EVA plastic film (7).
Claims (3)
1. a novel flexible solar panel, comprises n type single crystal silicon (1), p type single crystal silicon (2), bottom silver grating line electrode (4), top flexible transparent electrode (5), EVA plastic film (7).
2. novel flexible solar panel as claimed in claim 1, is characterized in that: n type single crystal silicon (1) and p type single crystal silicon (2) use monocrystalline silicon piece at high temperature to adopt thermal diffusion technology to make; The surface passivated membrane (3) of p type single crystal silicon (1) is passing into silane and ammonia is at high temperature obtained; The surface light trap (6) of n type single crystal silicon (1) soaks rear formation in etchant solution.
3. novel flexible solar panel as claimed in claim 1, is characterized in that: top flexible transparent electrode (5) utilizes radiofrequency magnetron sputtering technology to make; EVA plastic film (7) adopts lamination compacting encapsulation to form, and the color of flexible solar panel can be changed by the color changing EVA plastic film (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504781.8U CN204741023U (en) | 2015-07-14 | 2015-07-14 | Novel flexible solar panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504781.8U CN204741023U (en) | 2015-07-14 | 2015-07-14 | Novel flexible solar panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204741023U true CN204741023U (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520504781.8U Active CN204741023U (en) | 2015-07-14 | 2015-07-14 | Novel flexible solar panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204741023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340555A (en) * | 2015-07-10 | 2017-01-18 | 刘锋 | Novel flexible solar panel |
| CN108123004A (en) * | 2016-11-24 | 2018-06-05 | 中国科学院大连化学物理研究所 | A kind of packaged type of flexible solar battery |
-
2015
- 2015-07-14 CN CN201520504781.8U patent/CN204741023U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340555A (en) * | 2015-07-10 | 2017-01-18 | 刘锋 | Novel flexible solar panel |
| CN108123004A (en) * | 2016-11-24 | 2018-06-05 | 中国科学院大连化学物理研究所 | A kind of packaged type of flexible solar battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170109 Address after: 100089 Beijing city Haidian District Wangzhuang Road No. 1 Building No. 4 hospital 9 layer 0905 Patentee after: Beijing eight Sunshine Technology Co., Ltd. Address before: 100084 Beijing city Haidian District Tsinghua University Bauhinia apartment building 11 308A Patentee before: Liu Yifeng |