CN203312339U - High-efficiency lightweight double-faced battery pack with light tripping structure - Google Patents
High-efficiency lightweight double-faced battery pack with light tripping structure Download PDFInfo
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- CN203312339U CN203312339U CN2013202823038U CN201320282303U CN203312339U CN 203312339 U CN203312339 U CN 203312339U CN 2013202823038 U CN2013202823038 U CN 2013202823038U CN 201320282303 U CN201320282303 U CN 201320282303U CN 203312339 U CN203312339 U CN 203312339U
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- double
- battery pack
- faced
- light
- transmission film
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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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Abstract
The utility model discloses a high-efficiency lightweight double-faced battery pack with a light tripping structure and belongs to the field of photovoltaic technologies. The structure of the high-efficiency lightweight double-faced battery pack is mainly composed of a high-light transmission film, a thermosetting packaging material layer, double-faced battery pieces and photovoltaic glass, wherein the high-light transmission film is bonded on the double-faced battery piece through the thermosetting packaging material layer, the double-faced battery pieces are connected in series through a tin-plated copper strip interconnector and are bonded and fixed on the photovoltaic glass, and the surface of the high-light transmission film is provided with a plurality of small latticed dies. The double-faced battery pack is lightweight as the high-light transmission film is used instead one surface of the photovoltaic glass to effectively reduce the weight of the double-faced battery pack; the double-faced battery pack is high-efficiency as the light tripping structure is additionally provided on the surface of the battery pack by special technologies to help the double-faced battery pack to absorb light and to improve the output efficiency of the double-faced battery pack; and according to the double-faced battery pack, processing is convenient and fast, bubbles will not be generated by the battery pack, optimal performances of the battery pack are guaranteed, and the maximum photoelectric conversion efficiency of a photovoltaic assembly is guaranteed.
Description
Technical field
The utility model relates to a kind of Double-sided battery pack, relates in particular to a kind of efficient light Double-sided battery pack with light trapping structure.
Background technology
Solar cell is the main form that solar energy utilizes, and has the characteristics such as reserves are abundant, clean, broad covered area because of solar energy, so solar cell also is considered to the new forms of energy form of tool potentiality.At present, developed the solar cell of various ways, and part industrialization, but majority still is in the laboratory development stage.Research direction from current various solar cells, photoelectric conversion efficiency is still the major issue that this field is paid close attention to the most, because it is the principal element that determines the battery cost, the key parameter of vying each other between all kinds of batteries, so be all one of most important research contents of solar cell all the time.
At present, people have proposed the photoelectric conversion efficiency that multiple effective ways improve battery, as quantum-dot structure, Wavelength transformational structure and light trapping structure etc.Wherein light trapping structure can be divided into: upper surface texturing design, the design of lower surface catoptric arrangement, different from common crystal silicon solar battery, double-side solar cell is two-sided all can carry out photovoltaic generation, therefore after making double-side solar cell be packaged into assembly, has optimal performance, usually adopt two glass encapsulation or glass to add printing opacity TPT encapsulation, i.e. glass-EVA-double-side cell-EVA-glass structure and glass-EVA-double-side cell-EVA-printing opacity TPT.These two kinds of structures all have its defect.
Traditional two glass encapsulating structures, due to the restriction that is subject to glass, cause this type of Double-sided battery pack Heavy Weight, and processing inconvenience, easily produce bubble, is unfavorable for practical application; Glass adds printing opacity TPT encapsulating structure due to the restriction that is subject to printing opacity TPT light transmission, can't guarantee that Double-sided battery pack has optimal performance.
Summary of the invention
The purpose of this utility model, the drawback existed in order to solve above-mentioned prior art exactly, and a kind of efficient light Double-sided battery pack with light trapping structure is provided, have special light trapping structure, and have the lighting characteristics; With traditional Double-sided battery pack, compare, optimized assembly property, simplified processing technology, alleviated assembly weight, can more fully double-side cell be applied in the fields such as photoelectricity and building materials
The utility model is to realize by following technical scheme:
A kind of efficient light Double-sided battery pack with light trapping structure, its structure mainly consists of: high light transmission film, heat curing-type encapsulating material layer, double-side cell sheet, photovoltaic glass, wherein high light transmission film is bonded on the double-side cell sheet by the heat curing-type encapsulating material layer, the double-side cell sheet is connected in series by being coated with tin copper strips interconnector, and bonding is fixed on photovoltaic glass.
Described high light transmission film, its surface are provided with several little latticed moulds, and the tool light transmittance is only lower than 1% of photovoltaic glass.
The technological process of production of the present utility model is as follows: 1) double-side cell sheet series connection is together in series the double-side cell sheet with being coated with the tin copper strips;
2) parts assembling, on photovoltaic glass, lay the heat curing-type encapsulating material layer, the double-side cell sheet that on the heat curing-type encapsulating material layer, ornaments connect, re-lay the heat curing-type encapsulating material layer on the double-side cell sheet, re-lay high light transmission film, little latticed mould is set on high light transmission film;
3) component lamination, put into laminating machine by assembled good assembly and carry out lamination, makes the lighting Double-sided battery pack with light trapping structure; Light trapping structure: synchronous forming when it utilizes latticed mould to carry out component package by laminating technology, thus utilize light trapping structure to increase the light path of light in solar cell, increase the uptake of photon, light absorption is increased.
A kind of efficient light Double-sided battery pack with light trapping structure of the utility model, but its at right angle setting is for building fence, or can be used for the photovoltaic plant construction, assembly is two-sided accept direct sunlight or sunlight scattering after, all can absorb solar energy and produce electric energy, thereby the photoelectric conversion efficiency of photovoltaic module is maximized, have wide range of applications, the preparation method is simple.
Owing to having adopted above technology, the utility model is compared than prior art or product, and the beneficial effect had is as follows:
1) lighting: high light transmission film is replaced to the photovoltaic glass of one side, effectively reduce the weight of Double-sided battery pack.
2) efficient: as to use special process to add light trapping structure at assembly surface, help battery to absorb more light, thereby improved the power output of Double-sided battery pack.
3) easy to process, quick, assembly can not produce bubble, has guaranteed that assembly has optimal performance, thereby the photoelectric conversion efficiency of photovoltaic module is maximized.
The accompanying drawing explanation
Fig. 1, be cross sectional representation of the present utility model.
In figure: the high light transmission film of 1-, 2-heat curing-type encapsulating material layer, 3-double-side cell sheet, 4-photovoltaic glass.
Embodiment:
Below in conjunction with drawings and Examples, structure of the present utility model and the assembly technological process of production are described further:
As shown in Figure 1, a kind of efficient light Double-sided battery pack with light trapping structure, its structure mainly consists of: high light transmission film 1, heat curing-type encapsulating material layer 2, double-side cell sheet 3, photovoltaic glass 4, wherein high light transmission film 1 is bonded on double-side cell sheet 3 by heat curing-type encapsulating material layer 2, double-side cell sheet 3 is connected in series by being coated with tin copper strips interconnector, and bonding is fixed on photovoltaic glass 4.
Described high light transmission film 1, its surface are provided with several little latticed moulds, and the tool light transmittance is only lower than 1% of photovoltaic glass.
The technological process of production of the present utility model is as follows: 1) double-side cell sheet 3 series connection are coated with the tin copper strips by double-side cell sheet 3 use and are together in series;
2) parts assembling, on photovoltaic glass 4, lay heat curing-type encapsulating material layer 2, the double-side cell sheet 3 that on heat curing-type encapsulating material layer 2, ornaments connect, re-lay heat curing-type encapsulating material layer 2 on double-side cell sheet 3, re-lay high light transmission film 1, little latticed mould is set on high light transmission film 1;
3) component lamination, put into laminating machine by assembled good assembly and carry out lamination, makes the lighting Double-sided battery pack with light trapping structure; Light trapping structure: synchronous forming when it utilizes latticed mould to carry out component package by laminating technology, thus utilize light trapping structure to increase the light path of light in solar cell, increase the uptake of photon, light absorption is increased.
A kind of efficient light Double-sided battery pack with light trapping structure of the utility model, but its at right angle setting is for building fence, or can be used for the photovoltaic plant construction, assembly is two-sided accept direct sunlight or sunlight scattering after, all can absorb solar energy and produce electric energy, thereby the photoelectric conversion efficiency of photovoltaic module is maximized, have wide range of applications, the preparation method is simple.
Claims (2)
1. efficient light Double-sided battery pack with light trapping structure, its structure mainly consists of: high light transmission film (1), heat curing-type encapsulating material layer (2), double-side cell sheet (3), photovoltaic glass (4), it is characterized in that: wherein high light transmission film (1) is bonded on double-side cell sheet (3) by heat curing-type encapsulating material layer (2), double-side cell sheet (3) is connected in series by being coated with tin copper strips interconnector, and bonding is fixed on photovoltaic glass (4).
2. a kind of efficient light Double-sided battery pack with light trapping structure as claimed in claim 1, it is characterized in that: described high light transmission film (1), its surface are provided with several little latticed moulds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202823038U CN203312339U (en) | 2013-05-22 | 2013-05-22 | High-efficiency lightweight double-faced battery pack with light tripping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202823038U CN203312339U (en) | 2013-05-22 | 2013-05-22 | High-efficiency lightweight double-faced battery pack with light tripping structure |
Publications (1)
| Publication Number | Publication Date |
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| CN203312339U true CN203312339U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202823038U Expired - Fee Related CN203312339U (en) | 2013-05-22 | 2013-05-22 | High-efficiency lightweight double-faced battery pack with light tripping structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN203312339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110712407A (en) * | 2018-07-13 | 2020-01-21 | 汉能移动能源控股集团有限公司 | Bulletproof glass capable of generating power and preparation method thereof |
| CN113675285A (en) * | 2021-06-29 | 2021-11-19 | 国网天津市电力公司电力科学研究院 | Double-glass double-sided PV/T assembly |
-
2013
- 2013-05-22 CN CN2013202823038U patent/CN203312339U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110712407A (en) * | 2018-07-13 | 2020-01-21 | 汉能移动能源控股集团有限公司 | Bulletproof glass capable of generating power and preparation method thereof |
| CN113675285A (en) * | 2021-06-29 | 2021-11-19 | 国网天津市电力公司电力科学研究院 | Double-glass double-sided PV/T assembly |
| CN113675285B (en) * | 2021-06-29 | 2023-09-29 | 国网天津市电力公司电力科学研究院 | Double-sided PV/T subassembly of dual glass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20200522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |