WO2020258989A1 - 一种基于反射聚光的双面耦合光伏电池系统 - Google Patents
一种基于反射聚光的双面耦合光伏电池系统 Download PDFInfo
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- WO2020258989A1 WO2020258989A1 PCT/CN2020/084108 CN2020084108W WO2020258989A1 WO 2020258989 A1 WO2020258989 A1 WO 2020258989A1 CN 2020084108 W CN2020084108 W CN 2020084108W WO 2020258989 A1 WO2020258989 A1 WO 2020258989A1
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- photovoltaic cell
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- sided
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- reflective
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F10/00—Individual photovoltaic cells, e.g. solar cells
- H10F10/10—Individual photovoltaic cells, e.g. solar cells having potential barriers
- H10F10/14—Photovoltaic cells having only PN homojunction potential barriers
- H10F10/148—Double-emitter photovoltaic cells, e.g. bifacial photovoltaic cells
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F19/40—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules comprising photovoltaic cells in a mechanically stacked configuration
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/10—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising heterojunctions between organic semiconductors and inorganic semiconductors
- H10K30/15—Sensitised wide-bandgap semiconductor devices, e.g. dye-sensitised TiO2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
- H10K30/81—Electrodes
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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
- Y02E10/547—Monocrystalline silicon PV cells
-
- 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
- Y02E10/549—Organic PV cells
Definitions
- the invention belongs to the field of semiconductor devices, and in particular relates to a double-sided coupling photovoltaic cell system based on reflection and concentration.
- photovoltaic cells As a device that can convert solar radiation energy into electrical energy, photovoltaic cells have the advantages of safety, environmental protection, and less restriction by geographical factors. Since the development of the photovoltaic cell industry, various types of photovoltaic utilization devices such as crystalline silicon cells, gallium arsenide cells, copper indium gallium selenium cells, cadmium telluride cells, dye-sensitized cells, and perovskite cells have been born. The difference between the production process and the band used plays their respective roles. After a long period of development, the efficiency of photovoltaic cells with a single bandgap value has been greatly improved, and the cell efficiency is gradually approaching the limit efficiency of a single bandgap value.
- a battery with a single forbidden band value has a high utilization rate of photons near the forbidden band value and a low utilization rate of photons far away from the forbidden band value.
- the band gap value of a silicon battery is about 1.1 eV, which can be used
- the wavelength of sunlight is 300nm-1100nm, but its utilization rate of short-wavelength photons is low, which causes some energy waste and limits the improvement of photoelectric conversion efficiency.
- the coupling of multi-band gap photovoltaic cells can take advantage of the response characteristics of each sub-cell to different wavelength bands, so that the incident sunlight can be efficiently used in each wavelength band, thereby improving the photoelectric conversion efficiency.
- the coupling between multi-band gap photovoltaic cells is mostly in the form of stacked layers, that is, the sunlight that is not absorbed by the wide band gap photovoltaic cell on the upper layer is transmitted to the narrow band gap photovoltaic cell on the lower layer to realize sub-band utilization.
- this type of combination makes the system unable to use the sunlight reflected on the surface of the upper wide band gap photovoltaic cell, resulting in waste of energy and limiting the improvement of system efficiency.
- the lower-layer narrow-band-gap photovoltaic cell only absorbs part of the energy, resulting in a decrease in carrier concentration, which will cause the performance of the lower-layer narrow-band-gap photovoltaic cell to deteriorate to a certain extent, and cannot fully utilize the advantages of the multi-band-gap coupling cell.
- the purpose of the present invention is to provide a double-sided coupling photovoltaic cell system based on reflection and concentration to achieve high-efficiency multi-band gap photovoltaic cell photoelectric conversion efficiency.
- a double-sided coupling photovoltaic cell system based on reflection and concentration is composed of one or more structural units.
- Each structural unit is composed of a double-sided photovoltaic cell and two reflective photovoltaic cells.
- the two reflective photovoltaic cells are located in On both sides of the double-sided photovoltaic cell, the light-receiving surface of the reflective photovoltaic cell faces the double-sided photovoltaic cell, and there is an angle between the reflective photovoltaic cell and the double-sided photovoltaic cell, so that the incident light can illuminate after being reflected by the reflective photovoltaic cell To the two sides of the bifacial photovoltaic cell.
- the included angle between the reflective photovoltaic cell and the double-sided photovoltaic cell is any angle greater than 0° and less than 90°.
- the included angles between the two reflective photovoltaic cells and the double-sided photovoltaic cells are the included angle A and the included angle B, respectively, and the included angle A and the included angle B are the same or different.
- the bifacial photovoltaic cell is a cell with a bifacial photovoltaic power generation capability.
- the two sides of the double-sided photovoltaic cell share the same semiconductor active layer when receiving light and generating electricity.
- the reflective photovoltaic cell is a cell with at least one-side light-receiving power generation capability.
- the reflective photovoltaic cell is a cell that uses one or more of metal electrodes or reflectance-increasing films for spectral reflection.
- the band gap of the semiconductor active layer of the double-sided photovoltaic cell is smaller than the band gap of the semiconductor active layer of the reflective photovoltaic cell.
- the battery system proposed by the present invention solves the performance degradation of the narrow band gap battery due to the decrease of carrier concentration in the traditional multi-band gap photovoltaic cell combination, and can more efficiently use sunlight of different wavelength bands and make full use of
- the performance of multi-band gap photovoltaic cell system improves the photoelectric conversion efficiency.
- the battery system has a simple structure and is easy to implement.
- Figure 1 is a schematic diagram of a structural unit of the present invention
- Figure 2 is a schematic diagram of the structure of a double-sided photovoltaic cell selected in the present invention.
- FIG. 3 is a schematic diagram of the reflective battery structure selected in the present invention.
- Figure 4 is the reflectance spectrum of the perovskite battery of the present invention in the system
- Fig. 5 is the I-V curve of the double-sided photovoltaic cell selected in the present invention under different incident conditions
- Figure 6 is the I-V curve of each battery in the operation of the battery system implemented in the present invention.
- the double-sided coupling photovoltaic cell system based on reflection and concentration of the present invention is composed of one or more structural units, as shown in Figure 1 as a structural unit, each structural unit consists of a double-sided photovoltaic cell 1 and two Two reflective photovoltaic cells 2 are located on both sides of the double-sided photovoltaic cell 1.
- the light-receiving surface of the reflective photovoltaic cell 2 faces the double-sided photovoltaic cell 1, the reflective photovoltaic cell 2 and the double-sided photovoltaic cell
- the included angle between the reflective photovoltaic cell 2 and the double-sided photovoltaic cell 1 is any angle greater than 0° and less than 90°.
- the included angles between the two reflective photovoltaic cells 2 and the double-sided photovoltaic cell 1 are the included angle A and the included angle B, respectively.
- the included angle A and the included angle B are independent of each other, and their sizes can be the same or different.
- the double-sided photovoltaic cell 1 is a battery with double-sided light-receiving and power generation capabilities; the double-sided photovoltaic cell 1 shares the same semiconductor active layer when light-receiving and generating power on both sides.
- the reflective photovoltaic cell 2 is a cell with at least one-sided light-receiving power generation capability; the reflective photovoltaic cell 2 is a cell that uses one or more of metal electrodes or reflective enhancement films for spectral reflection.
- the band gap of the semiconductor active layer of the double-sided photovoltaic cell 1 is smaller than the band gap of the semiconductor active layer of the reflective photovoltaic cell 2.
- the double-sided photovoltaic cell 1 uses a double-sided silicon-based heterojunction cell. As shown in FIG. 2, the cell has a double-sided pyramid suede structure.
- Amorphous silicon is used as the passivation layer i
- p- ⁇ -Si:H is used as the hole selection layer p
- n- ⁇ -Si:H is used as the electron selection layer n
- indium tin oxide (ITO) material is used as the transparent electrode TE uses Ag material as the metal grid electrode
- reflective photovoltaic cell 2 uses perovskite battery, as shown in Figure 3, the battery uses tungsten-doped indium oxide (IWO) material as the transparent conductive oxide layer TCO, and uses SnO 2
- the material is used as the electron transport layer ETL
- the FACsPbIBr material is used as the perovskite layer PSK
- the 2,2',7,7'-tetra[N,N-bis(4-methoxyphenyl)amino]-9,9' -Spiro-OMeTAD material is used as the hole transport layer HTL
- Au is used as the metal electrode M.
- the included angle A and the included angle B between the two reflective photovoltaic cells 2 and the double-sided photovoltaic cell 1 are preferably 45°.
- the reflectance curve of the perovskite battery using IWO and commercial conductive oxide as the transparent electrode is shown in Figure 4.
- the use of IWO material as the transparent conductive oxide in the present invention can greatly improve the perovskite battery.
- the reflectivity in the infrared band (750 ⁇ 1200nm) (increased from 63.4% to 80.5%) can provide more energy to the silicon cell; the volt-ampere characteristic curve of the silicon cell reflected by the perovskite cell under different incident conditions
- the open circuit voltage of the bifacial silicon-based heterojunction cell is effectively improved, making the efficiency increase from 7.85% on both sides to 8.67%; when the system is working ,
- the efficiency of the perovskite cell is 16.81%, the efficiency of the double-sided silicon-based heterojunction cell is 8.67%, and the total system efficiency is 25.48%.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims (8)
- 一种基于反射聚光的双面耦合光伏电池系统,其特征在于:由一个或多个结构单元构成,每个结构单元由一个双面光伏电池(1)和两个反射式光伏电池(2)组成,两个反射式光伏电池(2)分别位于双面光伏电池(1)的两侧,所述反射式光伏电池(2)的受光面朝向双面光伏电池(1),反射式光伏电池(2)与双面光伏电池(1)之间存在夹角,使入射光经反射式光伏电池(2)反射后能够照射到双面光伏电池(1)的两个面。
- 根据权利要求1所述的基于反射聚光的双面耦合光伏电池系统,其特征在于:所述反射式光伏电池(2)与双面光伏电池(1)之间的夹角为大于0°且小于90°的任意角度。
- 根据权利要求1或2所述的基于反射聚光的双面耦合光伏电池系统,其特征在于:所述两个反射式光伏电池(2)与双面光伏电池(1)之间的夹角分别为夹角A和夹角B,夹角A和夹角B的大小相同或不同。
- 根据权利要求1所述的基于反射聚光的双面耦合光伏电池系统,其特征在于:所述双面光伏电池(1)为具有双面受光发电能力的电池。
- 根据权利要求1或4所述的基于反射聚光的双面耦合光伏电池系统,其特征在于:所述双面光伏电池(1)的双面受光发电时共用同一半导体活性层。
- 根据权利要求1所述的基于反射聚光的双面耦合光伏电池系统,其特征在于:所述反射式光伏电池(2)为至少具有单面受光发电能力的电池。
- 根据权利要求1或6所述的基于反射聚光的双面耦合光伏电池系统,其特征在于:所述反射式光伏电池(2)为利用金属电极或增反膜中的一种或多种进行光谱反射的电池。
- 根据权利要求1所述的基于反射聚光的双面耦合光伏电池系统,其特征在于:所述双面光伏电池(1)的半导体活性层的禁带宽度小于反射式光伏电池(2)的半导体活性层的禁带宽度。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2020305426A AU2020305426A1 (en) | 2019-06-26 | 2020-04-10 | Double-sided coupling photovoltaic cell system based on reflection and condensation |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910558571.X | 2019-06-26 | ||
| CN201910558571.XA CN110335909B (zh) | 2019-06-26 | 2019-06-26 | 一种基于反射聚光的双面耦合光伏电池系统 |
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| Publication Number | Publication Date |
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| WO2020258989A1 true WO2020258989A1 (zh) | 2020-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2020/084108 Ceased WO2020258989A1 (zh) | 2019-06-26 | 2020-04-10 | 一种基于反射聚光的双面耦合光伏电池系统 |
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| Country | Link |
|---|---|
| CN (1) | CN110335909B (zh) |
| AU (1) | AU2020305426A1 (zh) |
| WO (1) | WO2020258989A1 (zh) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335909B (zh) * | 2019-06-26 | 2021-09-17 | 南京航空航天大学 | 一种基于反射聚光的双面耦合光伏电池系统 |
| WO2022061729A1 (zh) * | 2020-09-25 | 2022-03-31 | 博立多媒体控股有限公司 | 太阳能利用装置 |
| CN113098385A (zh) * | 2021-04-29 | 2021-07-09 | 华能陕西发电有限公司 | 一种具有反光装置的光伏组件 |
| CN113114101A (zh) * | 2021-04-29 | 2021-07-13 | 华能陕西发电有限公司 | 一种光伏组件用反射膜及其制备方法 |
| CN113162543A (zh) * | 2021-04-29 | 2021-07-23 | 华能陕西发电有限公司 | 一种具有选择反射膜的光伏发电系统 |
| CN115172503A (zh) * | 2022-06-29 | 2022-10-11 | 中国华能集团清洁能源技术研究院有限公司 | 夹角子电池组件和光伏电池 |
| WO2025171330A1 (en) * | 2024-02-08 | 2025-08-14 | Vanse Corporation | Increased power output photovoltaic system |
| WO2025262521A1 (en) | 2024-06-17 | 2025-12-26 | D.D. Innovation Srl | Hybrid energy production system |
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| CN110335909A (zh) * | 2019-06-26 | 2019-10-15 | 南京航空航天大学 | 一种基于反射聚光的双面耦合光伏电池系统 |
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| CN201117666Y (zh) * | 2007-10-24 | 2008-09-17 | 陈祖培 | 聚光太阳电池组件 |
| CN201570506U (zh) * | 2009-11-20 | 2010-09-01 | 江苏华创光电科技有限公司 | 太阳能电池高效受光装置 |
| CN106847981B (zh) * | 2017-03-10 | 2018-01-23 | 西藏大学 | 一种可折叠四棱锥式反射聚光太阳能电池阵 |
-
2019
- 2019-06-26 CN CN201910558571.XA patent/CN110335909B/zh active Active
-
2020
- 2020-04-10 AU AU2020305426A patent/AU2020305426A1/en not_active Abandoned
- 2020-04-10 WO PCT/CN2020/084108 patent/WO2020258989A1/zh not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872063A (zh) * | 2010-06-01 | 2010-10-27 | 黄建文 | 一种锥形聚光系统 |
| CN102437208A (zh) * | 2011-12-08 | 2012-05-02 | 上海太阳能电池研究与发展中心 | 机械组装太阳能电池 |
| CN102610601A (zh) * | 2012-03-31 | 2012-07-25 | 上海太阳能电池研究与发展中心 | 一种可提高太阳光能利用率的组合太阳能电池 |
| CN202633344U (zh) * | 2012-04-13 | 2012-12-26 | 上海太阳能电池研究与发展中心 | 宽光谱吸收的机械组装太阳能电池 |
| CN205508846U (zh) * | 2016-04-08 | 2016-08-24 | 合肥中南光电有限公司 | 一种双面聚光光伏结构 |
| CN110335909A (zh) * | 2019-06-26 | 2019-10-15 | 南京航空航天大学 | 一种基于反射聚光的双面耦合光伏电池系统 |
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| AU2020305426A1 (en) | 2021-08-19 |
| CN110335909B (zh) | 2021-09-17 |
| CN110335909A (zh) | 2019-10-15 |
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