CN103943709A - Photovoltaic conversion method capable of improving solar cell conversion efficiency - Google Patents
Photovoltaic conversion method capable of improving solar cell conversion efficiency Download PDFInfo
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- CN103943709A CN103943709A CN201410168650.7A CN201410168650A CN103943709A CN 103943709 A CN103943709 A CN 103943709A CN 201410168650 A CN201410168650 A CN 201410168650A CN 103943709 A CN103943709 A CN 103943709A
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- Prior art keywords
- light
- solar cell
- fluorescent material
- yag fluorescent
- sunlight
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 29
- 230000005693 optoelectronics Effects 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 9
- 230000010307 cell transformation Effects 0.000 claims description 8
- 238000007739 conversion coating Methods 0.000 claims description 8
- 238000005816 glass manufacturing process Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052710 silicon Inorganic materials 0.000 abstract description 5
- 239000010703 silicon Substances 0.000 abstract description 5
- 239000010409 thin film Substances 0.000 abstract description 2
- 229910052814 silicon oxide Inorganic materials 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 9
- 239000010408 film Substances 0.000 description 5
- 239000011241 protective layer Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/055—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means where light is absorbed and re-emitted at a different wavelength by the optical element directly associated or integrated with the PV cell, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements
-
- 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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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a photovoltaic conversion method capable of improving solar cell conversion efficiency. The photovoltaic conversion method is characterized in that the sunlight receiving face of a solar cell panel A is additionally covered with a fluorescent thin film doped with YAG fluorescent powder, or the plate face of a glass light transmitting plate (1) is coated with a layer of YGA fluorescent powder, or the YAG fluorescent powder is mixed into glass raw materials so that a fluorescent glass plate can be manufactured, or the upper surface of the solar cell, namely, a silicon oxide plate, is directly coated with the YAG fluorescent powder, and therefore the silicon plate layer of the solar cell and the YAG fluorescent powder form an integrated photovoltaic conversion structure. By absorbing light, with the short wavelength, of the sunlight, light reflection is reduced, solar energy is better utilized, and photovoltaic conversion efficiency is improved.
Description
Technical field
The present invention relates to technical field of solar batteries, particularly a kind of opto-electronic conversion method that improves solar cell transformation efficiency.
Background technology
Solar module is solar panel, is most crucial parts in solar power system or device, is also the part that plays most critical effect in solar power system.Solar cell is the device that transforms luminous energy, generation electric energy by photoelectric effect or photochemical reaction, and it is as a kind of New Green Energy source technology, more and more by people's understanding, research and application.Based on photoelectric effect, according to the difference of material therefor, solar cell can be divided into silica-based solar cell and multi-element compounds hull cell.
The conversion efficiency of the monocrystaline silicon solar cell that research and technology are the most ripe is the earliest the highest, and the monocrystaline silicon solar cell efficiency of industrial-scale production is generally 15%～18% at present.The polysilicon solar cell of answering in contrast, relative low price, the conversion efficiency of industrial-scale production is 13%～16%.Thin-film solar cells is reached and is reduced expensive semi-conductive consumption by the mode of deposited semiconductor in inexpensive substrate, thereby reaches the object reducing costs.
At present, solar cell mainly increases conversion efficiency by changing matrix, optimize matrix structure and improving the approach such as silicon materials purity, but runs into certain technical bottleneck, could realize after needing to be obtained technically the breakthrough of writing.Consider in sunlight spectral band that visible ray accounts for nearly 50%, if by wherein, short wavelength's light is converted to long wavelength's light rightly, can increase the absorption rate of solar spectrum, improves the conversion efficiency of solar cell.
Summary of the invention
Object of the present invention: be to provide a kind of opto-electronic conversion method that improves solar cell transformation efficiency, be able to improve the photoelectric conversion efficiency of various solar cells, successful.
The present invention reaches foregoing invention object by the following technical programs.
This opto-electronic conversion method that improves solar cell transformation efficiency is: the YAG fluorescent material conversion film 7 of setting up a prefabricated shaping on the top of the glass light-passing board 1 of solar panel A, the outer surface that is covered in solar panel forms light wave conversion coating, by absorbing the light of the short wavelength's composition in sunlight, reduce reflection of light, reach and utilize better luminous energy, improve photoelectric conversion efficiency.
Further improvement project is: the upper surface or the lower surface that YAG fluorescent material are coated in to the glass light-passing board 1 of solar panel A, form light wave conversion coating, by absorbing the light of the short wavelength's composition in sunlight, reduce reflection of light, reach and utilize better luminous energy, improve photoelectric conversion efficiency.
Further improvement project is: YAG fluorescent material is fused in the raw material of glass making, be made into the glass light-passing board 1 that contains YAG fluorescent material, form integrated light wave conversion coating, by absorbing the light of the short wavelength's composition in sunlight, reduce reflection of light, reach and utilize better luminous energy, improve photoelectric conversion efficiency.
Further improvement project is: the described skin that directly YAG fluorescent material is coated in to solar battery cell layer, form and the integrated light wave conversion coating of battery layers, by absorbing the light of the short wavelength's composition in sunlight, reduce reflection of light, reach and utilize better luminous energy, improve photoelectric conversion efficiency.
Adopt after technique scheme, there is following outstanding feature:
(1) operability is convenient, and make solar cell photoelectric conversion efficiency on original basis, improve 8% ?15%, utilize better light energy conversion for electric energy.
(2) fluorescent film, the fluorescent glass that adopt YAG fluorescent material to make, or directly fluorescent material is coated in to solar cell skin, fluorescent material YAG relative low price wherein, technique is simple, excellent stability.
(3) be long wavelength light owing to absorbing better short wavelength's sunlight intensity secondary conversion, can give full play to solar cell Gai Guang district photoelectric conversion efficiency, improved substantially the light conversion efficiency of solar cell.
(4) fluorescent film of gained or fluorescent glass or or directly fluorescent material is coated in to solar cell skin, the size dimension of assembly is arbitrarily adjustable or cut out by difference requirement, various solar cells are applicable to arrange in pairs or groups.
(5) fluorescent material used, by controlling particle diameter, increases obviously specific area, and the transformation efficiency of fluorescent material effectively increases.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention that is provided with independent YAG fluorescent material conversion film;
Fig. 2 is the structural representation of the present invention that applies YAG fluorescent material on glass light-passing board;
Fig. 3 is the structural representation of the present invention that is mixed with YAG fluorescent material glass light-passing board;
Fig. 4 for applying YAG fluorescent material structural representation of the present invention on solar battery cell.
In figure: 1 ?glass light-passing board 2 ?on battery unit protective layer 3 ?solar battery cell 4 ?battery unit lower protective layer 5 ?bottom panel 6 ?electric lead 7 ?YAG fluorescent material conversion film 7.1 ?fluorescent coating 7.2 ?be mixed with YAG fluorescent material glass light-passing board 7.3 ?fluorescent material cover layer A ?solar cell.
Embodiment
Further set forth the present invention below in conjunction with Figure of description, and provide embodiments of the invention.
Solar panel A as shown in Figure 1; comprise protective layer 2, solar battery cell 3, battery unit lower protective layer 4, bottom panel 5 on the glass light-passing board 1 that stacks together, battery unit from top to bottom; each solar battery cell 3, by the interconnection composition solar cell layer of electric lead 6, forms a solar panel thus.Main intention of the present invention is: add lid layer by the sunlight receiving plane at solar panel A and be mixed with the fluorescence membrane of YAG fluorescent material or on the plate face of glass light-passing board 1, apply one deck YAG fluorescent material, or YAG fluorescent material is mixed in to frit and is made into fluorescent glass plate, or directly by the fluorescent powder coated YAG upper surface at solar cell (silica plate), allow the silicon flaggy of solar cell and the opto-electronic conversion structure of being integrally formed of YAG fluorescent material.
Adopt this new type solar energy opto-electronic conversion structure of technique scheme, its know-why is to be radiated at solar energy mixed light on glass light-passing board 1, that contain various wavelength by all, be irradiated to the preliminary treatment of first carrying out an optical wavelength before the battery unit layer of realizing opto-electronic conversion, the needs of the battery unit layer (silicon flaggy) of opto-electronic conversion can be made more light source meet to realize, therefore more electric energy can be obtained realizing in photoelectric conversion.
Through the applicant, the opto-electronic conversion method proposing with this technical scheme and traditional solar panel are carried out to contrast test.
At one time, two solar panels of same specification are placed under sunlight, both positive and negative polarity connects voltmeter.Test cells plate and add the magnitude of voltage of lid layer with the solar panel of YAG fluorescence membrane, result shows: the voltage that adds the voltage ratio primary cell board test of testing after the fluorescence membrane of lid layer with YAG fluorescent material has improved 10%.
Above-described instantiation; object of the present invention, technical scheme and beneficial effect are further illustrated; institute is understood that; above are only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. one kind can be improved the opto-electronic conversion method of solar cell transformation efficiency, it is characterized in that: the YAG fluorescent material conversion film (7) that a prefabricated shaping is set on the top of the glass light-passing board (1) of solar panel (A), the outer surface that is covered in solar panel forms light wave conversion coating, by absorbing the light of the short wavelength's composition in sunlight, reduce reflection of light, reach and utilize better luminous energy, improve photoelectric conversion efficiency.
2. a kind of opto-electronic conversion method that improves solar cell transformation efficiency as claimed in claim 1, it is characterized in that: the upper surface or the lower surface that YAG fluorescent material are coated in to the glass light-passing board (1) of solar panel (A), form light wave conversion coating, by absorbing the light of the short wavelength's composition in sunlight, reduce reflection of light, reach and utilize better luminous energy, improve photoelectric conversion efficiency.
3. a kind of opto-electronic conversion method that improves solar cell transformation efficiency as claimed in claim 1, it is characterized in that: YAG fluorescent material is fused in the raw material of glass making, be made into the glass light-passing board (1) that contains YAG fluorescent material, form integrated light wave conversion coating, by absorbing the light of the short wavelength's composition in sunlight, reduce reflection of light, reach and utilize better luminous energy, improve photoelectric conversion efficiency.
4. a kind of opto-electronic conversion method that improves solar cell transformation efficiency as claimed in claim 1, it is characterized in that: the skin that YAG fluorescent material is directly coated in to solar battery cell layer, form and the integrated light wave conversion coating of battery layers, by absorbing the light of the short wavelength's composition in sunlight, reduce reflection of light, reach and utilize better luminous energy, improve photoelectric conversion efficiency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168650.7A CN103943709A (en) | 2014-04-24 | 2014-04-24 | Photovoltaic conversion method capable of improving solar cell conversion efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410168650.7A CN103943709A (en) | 2014-04-24 | 2014-04-24 | Photovoltaic conversion method capable of improving solar cell conversion efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103943709A true CN103943709A (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410168650.7A Pending CN103943709A (en) | 2014-04-24 | 2014-04-24 | Photovoltaic conversion method capable of improving solar cell conversion efficiency |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107222162A (en) * | 2017-06-12 | 2017-09-29 | 河南震视通信技术有限公司 | A kind of utilization YAG fluorescent powder changes the opto-electronic conversion method of film |
| CN107348590A (en) * | 2017-06-30 | 2017-11-17 | 珠海赛仑运动器材有限公司 | A kind of solar energy charging type wears apparatus |
| CN108807559A (en) * | 2018-06-19 | 2018-11-13 | 中国计量大学 | A kind of N-type PERT double-sided solar batteries that efficiency gets a promotion |
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| CN101656275A (en) * | 2009-09-08 | 2010-02-24 | 厦门市三安光电科技有限公司 | Preparation method of flip-chip multi-junction compound solar cell chip |
| CN101699636A (en) * | 2009-10-22 | 2010-04-28 | 厦门大学 | Preparation method of fluorescent film capable of improving conversion efficiency of solar cell |
| CN101866964A (en) * | 2009-04-17 | 2010-10-20 | 张为 | Thin film solar cell having improved short wave response function |
| CN102618258A (en) * | 2012-02-23 | 2012-08-01 | 常州天合光能有限公司 | Fluorescent nanoparticle as well as preparation method and application thereof |
| CN202395006U (en) * | 2011-11-22 | 2012-08-22 | 邵律 | Solar cell with synergistic conversion layer |
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2014
- 2014-04-24 CN CN201410168650.7A patent/CN103943709A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866964A (en) * | 2009-04-17 | 2010-10-20 | 张为 | Thin film solar cell having improved short wave response function |
| CN101656275A (en) * | 2009-09-08 | 2010-02-24 | 厦门市三安光电科技有限公司 | Preparation method of flip-chip multi-junction compound solar cell chip |
| CN101699636A (en) * | 2009-10-22 | 2010-04-28 | 厦门大学 | Preparation method of fluorescent film capable of improving conversion efficiency of solar cell |
| CN202395006U (en) * | 2011-11-22 | 2012-08-22 | 邵律 | Solar cell with synergistic conversion layer |
| CN102618258A (en) * | 2012-02-23 | 2012-08-01 | 常州天合光能有限公司 | Fluorescent nanoparticle as well as preparation method and application thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107222162A (en) * | 2017-06-12 | 2017-09-29 | 河南震视通信技术有限公司 | A kind of utilization YAG fluorescent powder changes the opto-electronic conversion method of film |
| CN107348590A (en) * | 2017-06-30 | 2017-11-17 | 珠海赛仑运动器材有限公司 | A kind of solar energy charging type wears apparatus |
| CN108807559A (en) * | 2018-06-19 | 2018-11-13 | 中国计量大学 | A kind of N-type PERT double-sided solar batteries that efficiency gets a promotion |
| CN108807559B (en) * | 2018-06-19 | 2020-04-10 | 中国计量大学 | N-type PERT double-sided solar cell with improved efficiency |
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Application publication date: 20140723 |