CN201773856U - Down-conversion luminous structure of solar cell - Google Patents
Down-conversion luminous structure of solar cell Download PDFInfo
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- CN201773856U CN201773856U CN2010202046384U CN201020204638U CN201773856U CN 201773856 U CN201773856 U CN 201773856U CN 2010202046384 U CN2010202046384 U CN 2010202046384U CN 201020204638 U CN201020204638 U CN 201020204638U CN 201773856 U CN201773856 U CN 201773856U
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- solar cell
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- conversion luminescence
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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
- Y02E10/52—PV systems with concentrators
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Abstract
The utility model provides a down-conversion luminous structure of a solar cell, which comprises a glass cover plate and a cell plate, wherein the upper and the lower surfaces of the cell plate are covered with sealing layers, and the upper surface of the glass cover plate is further covered with an anti-reflection coating layer. Furthermore, rare earth ions are doped in the anti-reflection coating layer or/and the glass cover plate, and organic luminous dyes are mixed in the sealing layer. Rare earth ions and the organic luminous dyes are doped in different structure layers of the solar cell, can absorb original ultraviolet light not powered which is absorbed by the sealing layer, emits visible light through being transited to be absorbed by the cell plate to use, increases the use rate of sunlight of the cell, increases generation, and further reduces the effect that the luminous efficiency of cells is reduced because of aging of the sealing layer, which is caused by ultraviolet light.
Description
Technical field
The utility model relates to the solar cell application field, relates in particular to a kind of down-conversion luminescence layer structure of solar cell.
Background technology
Solar energy is as the representative of regenerative resource, and is inexhaustible, nexhaustible, is the effective cleaning energy.Every square metre of radiation that is subjected to every year on average of earth surface 1700kW.h that can generate electricity, promptly the solar radiation of Jie Shouing can satisfy 10,000 times of global energy demand, and perhaps the per solar radiation that was subjected in 1 hour in the face of land can satisfy the energy demand in 1 year in the whole world.The International Energy Agency data show, on the desert in the whole world 4% solar energy photovoltaic system are installed, and just are enough to satisfy the global energy demand.
Yet at present the cost of photovoltaic generation is still higher, and one of them important reasons is because the conversion efficiency of solar cell is not high, as crystal silicon cell (comprising monocrystalline silicon and polycrystal silicon cell) at 15%-20%.The main flow in solar cell market still is a crystal silicon cell, structure from crystal silicon cell, owing to have one deck EVA (poly-vinegar ethyl ester) or PVB seal, sealing materials such as (polyvinyl butyral resins) above the battery sheet, and this organic material absorbs the ultraviolet light more than 99%.So, for crystal silicon cell, wavelength less than the ultraviolet light of 380nm owing to absorbed by seal, sealing materials such as EVA and can not be used to generating by battery.In addition, ultraviolet light energy height, it is aging that long-term irradiation makes the EVA seal, sealing materials produce easily, and then reduce the sunlight transmitance, reduces the cell power generation amount.
98% energy all concentrates in the 280-2500nm scope in the solar spectrum, and wherein ultraviolet light (280-380nm) accounts for 9% substantially, visible light (380-780nm) accounts for 45%, near infrared light (780-2500nm) accounts for 44%.Therefore, improve the photoelectric conversion efficiency of solar cell, except scientist all the time improves constantly this approach of performance of pure silicon semi-conducting material and components and parts, another important channel is exactly to improve more effective adjusting and the utilization of battery to solar spectrum, then an approach will be the following main direction of studying that improves battery conversion efficiency, and the further raising of photoelectric conversion efficiency will mainly rely on modulates the solar spectrum of input.At present, the modulation of solar spectrum is mainly contained two technology paths: the one, absorb the down-conversion luminescence of high-energy photon emission lower energy photon; The 2nd, absorb the up-conversion luminescence of energy photons emission high-energy photons.Aspect down-conversion luminescence, although its in the application of lighting field by extensively and profoundly research many decades, solar spectrum is modulated the photoelectric conversion efficiency that improves solar cell is a brand-new problem thereby apply it to.
The utility model content
The purpose of this utility model is to overcome that existing crystal silicon cell technology medium ultraviolet light is not absorbed by battery and the defective of generating electricity, a kind of spectrum down-conversion luminescence structure of utilizing is provided, can absorb the low-energy visible light that the ultraviolet light emission of high-energy photons goes out, with the utilance of abundant raising battery, promote battery conversion efficiency and energy output to sunlight medium ultraviolet light.
The utility model is achieved in that a kind of down-conversion luminescence structure of solar cell, comprises glass cover-plate and battery sheet, and described battery sheet upper and lower surface all is coated with sealing layer, also is coated with antireflection film layer in described glass cover-plate upper surface.
Preferably, described antireflection film layer is fluoride or the oxide film layer that is doped with rare earth ion.
Preferably, described battery sheet is the battery sheet that monocrystalline silicon or polycrystalline silicon material are made.
Preferably, described glass cover-plate adopts ultra-white float glass or very white rolled glass, and iron ion content is less than 150ppm in the described glass cover-plate.
Further, be doped with rare earth ion in the described glass cover-plate.
Preferably, described rare earth ion is Ce, Sm, Eu, Tb, Dy ion.
Preferably, described sealing layer adopts poly-vinegar ethyl ester or polyvinyl butyral resin, is doped with the organic light emission dyestuff in it.
The beneficial effects of the utility model are: mix rare earth ion or organic light emission dyestuff in solar cell different structure layer, can absorb the ultraviolet light that is absorbed by sealing layer originally and do not generate electricity, and its transition launched visible light and absorbed by the battery sheet, not only improve the utilance of battery to sunlight, increase generating, but also reduce the influence of the aging caused cell power generation decrease in efficiency that ultraviolet light causes sealing layer.
Fig. 1 is the utility model example structure schematic diagram.
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Further describe the utility model below in conjunction with accompanying drawing and specific embodiment.
Embodiment one:
Referring to Fig. 1, the utility model embodiment one comprises ultra-clear glasses cover plate 2 and surperficial antireflection film layer 1, battery sheet 4 and the backboard of arranging in regular turn 6 thereof, described battery sheet 4 upper and lower surfaces are coated with sealing layer 3 and following sealing layer 5 respectively, described ultra-clear glasses cover plate 2 adopts ultra-white float glass or very white rolled glass, the battery sheet that described battery sheet 4 adopts monocrystalline silicon or polycrystalline silicon material to make; The described sealing layer 3 of going up all adopts PVB (polyvinyl butyral resin) with following sealing layer 5, and backboard 6 adopts TPT (ptfe composite).Present embodiment is in described ultra-clear glasses cover plate 2 upper surfaces, also be coated with antireflection film layer 1, this antireflection film layer 1 is to be fluoride or oxide film layer with the host material, and doping with rare-earth ions---Ce, Sm, Eu, Tb or Dy ion, described rare earth ion shared mol ratio in host material is 0.1-10% in thin layer.Can on described ultra-clear glasses cover plate 2, cover antireflection film layer 1 during manufacturing by modes such as sol-gel or sprayings, by last sealing layer 3 and following sealing layer 5 lower plane on the battery sheet 4 is coated then, again with ultra-clear glasses cover plate 2 and backboard 6 laminations, and load onto framework such as aluminium alloy and form the crystal silicon cell assembly.
Like this, by in the antireflection film layer 1 on ultra-clear glasses cover plate 2 surfaces, mixing rare earth ion, can utilize it to absorb the also following switching emission of ultraviolet light and go out visible light, so originally, the ultraviolet light that is fallen by sealing layer PVB absorbed is partly converted to visible light, absorbed by crystal silicon cell after seeing through sealing layer, thereby improved battery conversion efficiency.
Embodiment two:
Referring to Fig. 1, the utility model embodiment two also comprises ultra-clear glasses cover plate 2, battery sheet 4 and the backboard of arranging in regular turn 6, described battery sheet 4 upper and lower surfaces are coated with sealing layer 3 and following sealing layer 5 respectively, described ultra-clear glasses cover plate 2 adopts ultra-white float glass or very white rolled glass, and iron ion content is less than 150ppm in this glass cover-plate 2; Simultaneously, also be doped with rare earth ions such as Ce, Sm, Eu, Tb or Dy in ultra-clear glasses cover plate 2, described rare earth ion shared mass percent in ultra-clear glasses cover plate 2 is 0.1-5%; The battery sheet that described battery sheet 4 adopts monocrystalline silicon or polycrystalline silicon material to make; The described sealing layer 3 of going up all adopts poly-vinegar ethyl ester (EVA) with following sealing layer 5, and backboard 6 adopts ptfe composites (TPT).Similarly, present embodiment also is coated with antireflection film layer 1 in described ultra-clear glasses cover plate 2 upper surfaces.Can on described ultra-clear glasses cover plate 2, cover antireflection film layer 1 during manufacturing by modes such as sol-gel or sprayings, by last sealing layer 3 and following sealing layer 5 lower plane on the battery sheet 4 is coated then, again with ultra-clear glasses cover plate 2 and backboard 6 laminations, and load onto framework such as aluminium alloy and form the crystal silicon cell assembly.
Like this, by in ultra-clear glasses cover plate 2, mixing rare earth ion, can utilize it to absorb the also following switching emission of ultraviolet light and go out visible light, so originally, the ultraviolet light that is sponged by sealing layer is partly converted to visible light, absorbed by crystal silicon cell after seeing through sealing layer, thereby improved battery conversion efficiency.
Embodiment three:
Referring to Fig. 1, the utility model embodiment three also comprises ultra-clear glasses cover plate 2, battery sheet 4 and the backboard of arranging in regular turn 6, described battery sheet 4 upper and lower surfaces are coated with sealing layer 3 and following sealing layer 5 respectively, described ultra-clear glasses cover plate 2 adopts ultra-white float glass or very white rolled glass, and iron ion content is less than 150ppm in this ultra-clear glasses cover plate 2; The battery sheet that described battery sheet 4 adopts monocrystalline silicon or polycrystalline silicon material to make; Described backboard 6 adopts ptfe composite (TPT); Described sealing layer 3 and poly-vinegar ethyl ester (EVA) of following sealing layer 5 materials employing or the polyvinyl butyral resin (PVB) gone up, be doped with the organic light emission dyestuff in it, organic light emission dyestuff shared mass percent in last sealing layer 3 and following sealing layer 5 is 0.1-10%; Described organic light emission dyestuff is Lumogen-F570, Lumogen-F083, Lumogen-F240 or Lumogen-F300.Can on described ultra-clear glasses cover plate 2, cover antireflection film layer 1 during manufacturing by modes such as sol-gel or sprayings, by last sealing layer 3 and following sealing layer 5 lower plane on the battery sheet 4 is coated then, again with ultra-clear glasses cover plate 2 and backboard 6 pressings, and load onto framework such as aluminium alloy and form the crystal silicon cell assembly.
Like this, by in seal, sealing materials such as EVA or PVB, mixing organic luminescent dye, can utilize it to absorb the also following switching emission of ultraviolet light and go out visible light, so originally, the ultraviolet light that is sponged by last sealing layer 3 is partly converted to visible light, absorbed by crystal silicon cell after seeing through seal, sealing materials, improve battery conversion efficiency.
The above only is the utility model embodiment; its structure is not limited to the above-mentioned shape of enumerating; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (7)
1. the down-conversion luminescence structure of a solar cell comprises glass cover-plate, battery sheet, and described battery sheet upper and lower surface all is coated with sealing layer, it is characterized in that: also be coated with antireflection film layer in described glass cover-plate upper surface.
2. the down-conversion luminescence structure of a kind of solar cell as claimed in claim 1, it is characterized in that: described antireflection film layer is the fluoride or the oxide film layer of doping with rare-earth ions.
3. the down-conversion luminescence structure of a kind of solar cell as claimed in claim 1 is characterized in that: described battery sheet is the battery sheet that monocrystalline silicon or polycrystalline silicon material are made.
4. the down-conversion luminescence structure of a kind of solar cell as claimed in claim 1 is characterized in that: described glass cover-plate adopts ultra-white float glass or very white rolled glass, and its iron ion content is less than 150ppm.
5. the down-conversion luminescence structure of a kind of solar cell as claimed in claim 4 is characterized in that: be doped with rare earth ion in the described glass cover-plate.
6. the down-conversion luminescence structure of a kind of solar cell as claimed in claim 5, it is characterized in that: described rare earth ion is Ce, Sm, Eu, Tb, Dy ion.
7. the down-conversion luminescence structure of a kind of solar cell as claimed in claim 1 is characterized in that: poly-vinegar ethyl ester of described sealing layer employing or polyvinyl butyral resin, organic luminescent dye of doping in it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010202046384U CN201773856U (en) | 2010-05-26 | 2010-05-26 | Down-conversion luminous structure of solar cell |
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| CN2010202046384U CN201773856U (en) | 2010-05-26 | 2010-05-26 | Down-conversion luminous structure of solar cell |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828242A (en) * | 2012-09-06 | 2012-12-19 | 西安隆基硅材料股份有限公司 | Crystalline silicon with lower converting lighting quantum dots and preparation method thereof |
| CN102951841A (en) * | 2011-08-23 | 2013-03-06 | 扬州通和玻璃有限公司 | Preparation method of high borosilicate glass for solar photovoltaic batteries |
| CN103367507A (en) * | 2013-03-22 | 2013-10-23 | 韩华新能源（启东）有限公司 | Photovoltaic module |
| CN103618013A (en) * | 2013-10-18 | 2014-03-05 | 浙江晶科能源有限公司 | Photovoltaic component with spectrum conversion function |
| CN105576067A (en) * | 2015-12-14 | 2016-05-11 | 山东永泰集团有限公司 | Spectrum transition photovoltaic assembly |
| CN106992217A (en) * | 2017-04-06 | 2017-07-28 | 蚌埠玻璃工业设计研究院 | A kind of ultra-white float glass used for solar batteries that anti-reflection function is converted with light |
| CN107681015A (en) * | 2017-11-07 | 2018-02-09 | 苏州中来光伏新材股份有限公司 | The preparation method of PVB glued membranes and the solar double-glass assemblies encapsulated with the PVB glued membranes |
| CN108191256A (en) * | 2018-01-26 | 2018-06-22 | 西南科技大学 | Lower conversion anti-reflection film of one kind and preparation method and application |
| CN110071192A (en) * | 2019-04-26 | 2019-07-30 | 浙江晶科能源有限公司 | A kind of photovoltaic glass and photovoltaic module |
| CN112382684A (en) * | 2020-09-28 | 2021-02-19 | 希腊布莱特公司 | Transparent solar glass panel with luminescent solar concentrator nanomaterial coating |
| EP3975267A1 (en) * | 2020-09-28 | 2022-03-30 | Brite Hellas AE | Photovoltaic glass pane and method of producing a photovoltaic glass pane |
| US12080818B2 (en) | 2021-02-26 | 2024-09-03 | Brite Hellas Ae | Photovoltaic glass pane and method of producing a photovoltaic glass pane |
-
2010
- 2010-05-26 CN CN2010202046384U patent/CN201773856U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951841A (en) * | 2011-08-23 | 2013-03-06 | 扬州通和玻璃有限公司 | Preparation method of high borosilicate glass for solar photovoltaic batteries |
| CN102828242A (en) * | 2012-09-06 | 2012-12-19 | 西安隆基硅材料股份有限公司 | Crystalline silicon with lower converting lighting quantum dots and preparation method thereof |
| CN102828242B (en) * | 2012-09-06 | 2015-05-27 | 西安隆基硅材料股份有限公司 | Crystalline silicon with lower converting lighting quantum dots and preparation method thereof |
| CN103367507A (en) * | 2013-03-22 | 2013-10-23 | 韩华新能源（启东）有限公司 | Photovoltaic module |
| CN103618013A (en) * | 2013-10-18 | 2014-03-05 | 浙江晶科能源有限公司 | Photovoltaic component with spectrum conversion function |
| CN105576067A (en) * | 2015-12-14 | 2016-05-11 | 山东永泰集团有限公司 | Spectrum transition photovoltaic assembly |
| CN106992217A (en) * | 2017-04-06 | 2017-07-28 | 蚌埠玻璃工业设计研究院 | A kind of ultra-white float glass used for solar batteries that anti-reflection function is converted with light |
| CN107681015A (en) * | 2017-11-07 | 2018-02-09 | 苏州中来光伏新材股份有限公司 | The preparation method of PVB glued membranes and the solar double-glass assemblies encapsulated with the PVB glued membranes |
| CN107681015B (en) * | 2017-11-07 | 2024-04-16 | 苏州中来光伏新材股份有限公司 | Preparation method of PVB (polyvinyl butyral) adhesive film and double-glass assembly packaged by PVB adhesive film |
| CN108191256A (en) * | 2018-01-26 | 2018-06-22 | 西南科技大学 | Lower conversion anti-reflection film of one kind and preparation method and application |
| CN110071192A (en) * | 2019-04-26 | 2019-07-30 | 浙江晶科能源有限公司 | A kind of photovoltaic glass and photovoltaic module |
| CN112382684A (en) * | 2020-09-28 | 2021-02-19 | 希腊布莱特公司 | Transparent solar glass panel with luminescent solar concentrator nanomaterial coating |
| EP3975267A1 (en) * | 2020-09-28 | 2022-03-30 | Brite Hellas AE | Photovoltaic glass pane and method of producing a photovoltaic glass pane |
| NL2027662B1 (en) * | 2020-09-28 | 2022-05-30 | Brite Hellas Ae | Photovoltaic glass pane and method of producing a photovoltaic glass pane |
| US12080818B2 (en) | 2021-02-26 | 2024-09-03 | Brite Hellas Ae | Photovoltaic glass pane and method of producing a photovoltaic glass pane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XINYI PHOTOVOLTAIC INDUSTRY (ANHUI) HOLDINGS CO., Free format text: FORMER OWNER: XINYI ULTRACLEAR PHOTOVOLTAIC GLASS (DONGGUAN) CO., LTD. Effective date: 20110504 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 523935 XINYI GLASS INDUSTRIAL PARK, XINYI ROAD, LUDONG VILLAGE, HUMEN TOWN, DONGGUAN CITY, GUANGDONG PROVINCE TO: 241000 XINYI INDUSTRIAL PARK, FENGMINGHU NORTH ROAD, ECONOMIC DEVELOPMENT ZONE, WUHU CITY, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110504 Address after: Xinyi Industrial Park, 241000 Anhui city in Wuhu Province Economic Development Zone Hubei road Fengming Patentee after: Xinyi PV Industry (Anhui) Holdings Co.,Ltd. Address before: 523935 Higashimura Nobuyoshironobuyoshi Glass Industrial Zone, Humen Town, Guangdong, Dongguan Patentee before: Xinyi Glass (Dongguan) Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |
|
| CX01 | Expiry of patent term |