CN107311448B - Compound eye type solar cell packaging glass and preparation method and application thereof - Google Patents
Compound eye type solar cell packaging glass and preparation method and application thereof Download PDFInfo
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- CN107311448B CN107311448B CN201710600885.2A CN201710600885A CN107311448B CN 107311448 B CN107311448 B CN 107311448B CN 201710600885 A CN201710600885 A CN 201710600885A CN 107311448 B CN107311448 B CN 107311448B
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- 239000011521 glass Substances 0.000 title claims abstract description 51
- 150000001875 compounds Chemical class 0.000 title claims abstract description 39
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000005538 encapsulation Methods 0.000 claims description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 238000000137 annealing Methods 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 235000019353 potassium silicate Nutrition 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229910021419 crystalline silicon Inorganic materials 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000006060 molten glass Substances 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 235000020280 flat white Nutrition 0.000 description 2
- 230000004298 light response Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005394 sealing glass Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
-
- 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
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- 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
- H01L31/0543—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the refractive type, e.g. lenses
-
- 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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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Geochemistry & Mineralogy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Glass Compositions (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses compound eye type solar cell packaging glass and a preparation method thereof, wherein SiO is used2、CaO、Na2The raw materials of O are mixed according to a certain proportion and melted at high temperature, and the mixture is formed in a specific mould and then annealed, so that the photovoltaic glass with the compound eye type array on the surface is prepared and used for packaging the solar cell, on one hand, light at the edge of the cell can be additionally collected to the cell, on the other hand, the incidence angle of oblique light is reduced, the incident light quantity is increased, and the photoelectric conversion efficiency of the solar cell is improved. The invention has simple preparation process and low price, is compatible with the traditional process, can improve the photoelectric conversion efficiency of the traditional commercialized crystalline silicon solar cell module, and does not need to carry out automatic tracking on the sun by the complicated and high-cost solar cell module.
Description
Technical Field
The invention relates to a solar cell, in particular to compound eye type solar cell packaging glass and a preparation method and application thereof.
Background
The working environment of the crystalline silicon battery is complex, and generally, the crystalline silicon battery is packaged by adopting photovoltaic glass as protection so that the crystalline silicon battery has good mechanical performance to adapt to various battery components in severe environments, and along with the reduction of the cost of silicon materials, a photovoltaic power station is fixed and installed by adopting a flat battery. Such a photovoltaic power station has a common drawback: the light in cloudy weather, morning or evening is weak, the reflection of oblique light on the surface of the cell is very large, so that light energy is lost, and the weak light response of the silicon solar cell is poor. At present, suede surface preparation, antireflection film plating and the like are effective measures for reducing light energy loss, but the effective utilization effect on oblique sunlight and weak sunlight is not great.
The invention provides solar cell packaging glass with a compound eye array on the surface, which can greatly improve the current situation; in US20090266415a1, compound eye-like structures are mentioned, but the size is micron-sized, which mainly plays the role of anti-reflection, and the omni-directional spherical concentrator mentioned in CN101355327A is also designed to solve the problem of oblique sun-rays, but the structure is too complex to be suitable for large-scale industrialization.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides compound-eye solar cell packaging glass and a preparation method and application thereof.
The technical scheme of the invention is as follows:
the compound-eye solar cell packaging glass comprises the following components in percentage by mole: 40-80% SiO2、10～30％ CaO、10～30％ Na2O and less than 0.005% Fe2O3(ii) a The surface of the packaging glass is provided with a compound eye array consisting of a plurality of convex lenses, wherein the chord height ratio of each convex lens structure is greater than 2, and the height dimension is 0.01-1 cm.
Preferably, in the compound eye array, the distance between adjacent convex lenses is 0.1-1 cm.
Preferably, the compound eye array is an array structure formed by arranging a plurality of rows of convex lenses, wherein adjacent rows of convex lenses are arranged in an alignment manner.
Preferably, the compound eye array is an array structure formed by arranging a plurality of rows of convex lenses, wherein adjacent rows of convex lenses are arranged in a staggered manner.
The preparation method of the compound eye type solar cell packaging glass comprises the following steps:
1) weighing silicon dioxide, calcium carbonate and sodium carbonate as raw materials according to the molar ratio; the molar ratio here means the above-mentioned SiO component2、CaO、Na2Molar amounts of Si, Ca and Na in OPercentage (D).
2) Grinding the raw materials weighed in the step 1) until the granularity is less than or equal to 20 meshes, uniformly mixing, pouring into a crucible, and melting at 1300-1600 ℃ for 2-10 hours;
3) pouring the liquid glass melted in the step 2) onto a preheated 350-450 ℃ mold for cooling and forming, and then annealing to obtain the compound eye type solar cell packaging glass.
Preferably, the annealing is carried out at 450-550 ℃ for 1.5-2.5 h.
Preferably, the solar cell is formed by directly laminating packaging glass, EVA and a common cell piece from top to bottom;
the packaging glass can be compound-eye solar cell packaging glass and also can be single convex lens photovoltaic glass.
The invention has the beneficial effects that:
1) the compound eye array has a certain focusing effect on light, the intensity of the weak sunlight irradiating the battery is increased on the surface of the battery after passing through the compound eye array, and the defect of poor weak light response of the battery is overcome.
2) Due to the compound eye array on the surface, sunlight obliquely incident to the surface of the cell is refracted and then incident to the solar cell, and the high reflection loss of oblique incidence is reduced.
3) The compound eye array can converge sunlight which cannot be irradiated to the cell at the edge of the solar cell to the solar cell under the condensation effect, so that the incident quantity of the sunlight is increased.
4) The compound eye array with the convex lens is arranged on the packaging glass, so that the functions of packaging, protection and light gathering can be realized simultaneously, a light gathering element is not required to be additionally arranged, the structure of the solar cell is simplified, and the cost is reduced.
5) The single convex lens photovoltaic glass has an obvious light-gathering effect, and has an especially obvious effect of improving the photoelectric conversion efficiency of a solar cell.
6) The preparation process of the invention has the advantages of less process flow, no pollution, low preparation cost and compatibility with the conventional process.
Drawings
Fig. 1 is a schematic perspective view of a compound-eye solar cell encapsulation glass of example 1, in which a is a three-dimensional model diagram and b is a real diagram.
Fig. 2 is a plan view of the compound-eye solar cell sealing glass of example 1.
Fig. 3 is a schematic view of the structure of a single convex lens of example 1.
Fig. 4 is a schematic diagram of the change of the light path of the compound-eye solar cell packaging glass under different illumination conditions, wherein the arrow line represents light rays.
Fig. 5 is a graph comparing performance tests of the solar cell of example 1 with solar cells of other packaging cases.
Fig. 6 is a plan view of a compound-eye solar cell encapsulation glass of example 2.
FIG. 7 is a schematic view of a configuration of a single convex lens in example 2.
FIG. 8 is a schematic diagram and a schematic diagram of the single convex lens photovoltaic glass of example 3.
Detailed Description
Example 1
The preparation method of the compound eye type solar cell encapsulation glass of the embodiment is as follows:
(1) with silicon dioxide (SiO)2) Calcium carbonate (CaCO)3) Sodium carbonate (Na)2CO3) Weighing raw materials according to a molar ratio of 6:1:1, grinding the raw materials in a mortar until the granularity is 20 meshes, and uniformly mixing the raw materials, wherein the impurity Fe in the raw materials2O3Is less than 0.005%.
(2) And melting the uniformly mixed raw materials in a muffle furnace at 1400 ℃ for 6 h.
(3) Preheating a prepared iron mould to 400 ℃, pouring the molten glass into the mould for quenching and forming, and then placing the mould in a muffle furnace at 500 ℃ for annealing for 2 hours.
Referring to fig. 1, the solar cell encapsulation glass 1 is prepared to have a compound eye array composed of a plurality of convex lenses 11 on the surface thereof. Specifically, referring to fig. 2, the compound eye array is formed by arranging a plurality of rows of convex lenses arranged at equal intervals in a matrix manner, adjacent rows of convex lenses are arranged in an alignment manner, namely, a square net structure arranged along the transverse direction and the longitudinal direction is formed, and the distance between the adjacent convex lenses 11 is 0.1-1 cm. . Referring to fig. 3, L is a chord length, H is a height, D is a substrate thickness, R is a curved surface radius, a chord height ratio of each convex lens 11 is 3, and the height dimension is 0.01 to 1 cm.
When the solar cell is used, the solar cell is formed by directly laminating the top-down packaging glass, the EVA and the common cell piece.
Referring to fig. 4, as shown in fig. 4a, the intensity of the weak sunlight irradiated to the cell is increased on the surface of the cell by the compound eye array; as shown in fig. 4b, the solar light obliquely incident on the surface of the cell is refracted and then incident on the solar cell, so that the high reflection loss of oblique incidence is reduced; as shown in fig. 4c, the compound eye array can condense sunlight which cannot be originally irradiated to the cell at the edge of the solar cell to the solar cell through the condensation effect, so that the incident amount of the sunlight is increased.
Referring to fig. 5, the photocurrent output of the silicon solar cells with different packaging glasses at different times is tested, and it can be seen from the graph that the photocurrent output of the compound-eye solar cell packaging glass applied in the embodiment is obviously higher than that of the case without glass and flat white glass, and the effect is significant.
Example 2
The preparation method of the compound eye type solar cell encapsulation glass of the embodiment is as follows:
(1) with silicon dioxide (SiO)2) Calcium carbonate (CaCO)3) Sodium carbonate (Na)2CO3) Weighing raw materials according to a molar ratio of 4:3:3, grinding the raw materials in a mortar until the granularity is 10 meshes, and uniformly mixing the raw materials, wherein the impurity Fe in the raw materials2O3Is less than 0.005%.
(2) And melting the uniformly mixed raw materials in a muffle furnace at 1500 ℃ for 8 h.
(3) Preheating a prepared iron mould to 400 ℃, pouring the molten glass into the mould for quenching and forming, and then placing the mould in a muffle furnace at 500 ℃ for annealing for 2 hours.
Referring to fig. 6, the solar cell encapsulation glass 2 is manufactured to have a compound eye array composed of a plurality of convex lenses 21 on the surface thereof. Specifically, the compound eye array is formed by arranging a plurality of rows of convex lenses arranged at equal intervals in a matrix manner, and the adjacent rows of convex lenses are arranged in a staggered manner, so that a net structure taking a triangle as a repeating unit is formed. Referring to fig. 7, each convex lens 21 has a chord height ratio of 3 and a height dimension of 0.01 to 1 cm. The distance between the adjacent convex lenses 11 is 0.1-1 cm.
The solar cell sealing glass 2 of the present example was used in reference example 1.
Example 3
The preparation method of the single convex lens solar cell packaging glass of the embodiment is as follows:
(1) with silicon dioxide (SiO)2) Calcium carbonate (CaCO)3) Sodium carbonate (Na)2CO3) Weighing raw materials according to a molar ratio of 4:3:3, grinding the raw materials in a mortar until the granularity is 10 meshes, and uniformly mixing the raw materials, wherein the impurity Fe in the raw materials2O3Is less than 0.005%.
(2) The uniformly mixed raw materials are melted for 7 hours in a muffle furnace at 1450 ℃.
(3) Preheating a prepared iron mould to 300 ℃, pouring the molten glass into the mould for quenching and forming, and then putting the mould in a muffle furnace at 500 ℃ for annealing for 3 hours.
Referring to fig. 8, the prepared solar cell encapsulation glass has a single convex lens structure. The chord height ratio of the single convex lens photovoltaic glass is 5, and the height dimension is 0.5 cm. The photocurrent output of the silicon solar cells with different packaging glasses is obviously higher than that of the silicon solar cells without glass and with flat white glass, and the remarkable effects are shown in the attached table 1.
TABLE 1 influence of photovoltaic glass of different concentrations on photoelectric properties of standard crystalline silicon cells
The above embodiments are only used to further illustrate the compound eye type solar cell packaging glass of the present invention, and the preparation method and application thereof, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.
Claims (7)
1. A compound eye type solar cell packaging glass is characterized in that: the packaging glass comprises the following components in percentage by mole: 40-80% SiO2、10～30％CaO、10～30％Na2O and less than 0.005% Fe2O3(ii) a The surface of the packaging glass is provided with a compound eye array consisting of a plurality of convex lenses, wherein the chord height ratio of each convex lens structure is greater than 2, and the height dimension is 0.01-1 cm.
2. The compound eye type solar cell encapsulation glass according to claim 1, characterized in that: in the compound eye array, the distance between adjacent convex lenses is 0.1-1 cm.
3. The compound eye type solar cell encapsulation glass according to claim 1, characterized in that: the compound eye array is an array structure formed by arranging a plurality of rows of convex lenses, wherein adjacent rows of convex lenses are arranged in an alignment manner.
4. The compound eye type solar cell encapsulation glass according to claim 1, characterized in that: the compound eye array is an array structure formed by arranging a plurality of rows of convex lenses, wherein adjacent rows of convex lenses are arranged in a staggered manner.
5. A method for preparing the compound eye type solar cell packaging glass according to any one of claims 1 to 4, characterized by comprising the following steps:
1) weighing silicon dioxide, calcium carbonate and sodium carbonate as raw materials according to the molar ratio;
2) grinding the raw materials weighed in the step 1) until the granularity is less than or equal to 20 meshes, uniformly mixing, pouring into a crucible, and melting at 1300-1600 ℃ for 2-10 hours;
3) pouring the liquid glass melted in the step 2) onto a preheated 350-450 ℃ mold for cooling and forming, and then annealing to obtain the compound eye type solar cell packaging glass.
6. The method for producing a compound eye type solar cell encapsulation glass according to claim 5, characterized in that: the annealing is carried out at the temperature of 450-550 ℃ for 1.5-2.5 h.
7. A solar cell, characterized by: the solar cell is formed by directly laminating packaging glass, EVA and a common cell piece from top to bottom; wherein the packaging glass is the compound eye type solar cell packaging glass as defined in any one of claims 1-4.
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| CN201710600885.2A CN107311448B (en) | 2017-07-21 | 2017-07-21 | Compound eye type solar cell packaging glass and preparation method and application thereof |
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| CN107311448B true CN107311448B (en) | 2020-05-12 |
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| CN110092578B (en) * | 2019-05-08 | 2020-06-02 | 山东光韵智能科技有限公司 | High-efficiency high-energy light photoelectric conversion material and manufacturing method thereof |
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| CN102046548A (en) * | 2008-06-25 | 2011-05-04 | 日本电气硝子株式会社 | Semiconductor encapsulation material and method for encapsulating semiconductor using the same |
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| CN104936915A (en) * | 2013-01-24 | 2015-09-23 | 旭硝子株式会社 | Cover glass for solar cell, and solar cell module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462825B (en) * | 2008-12-30 | 2011-02-16 | 中国南玻集团股份有限公司 | Ultra-white float glass |
| CN102875021B (en) * | 2012-10-12 | 2014-08-27 | 湖北三峡新型建材股份有限公司 | Solar super-white and super-strong float glass |
| CN105977331A (en) * | 2016-07-08 | 2016-09-28 | 长春理工大学 | Glass cover plate of solar cell module having convex cylindrical surface grid-shaped structure |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB954576A (en) * | 1960-01-08 | 1964-04-08 | Saint Gobain | A method of producing heterogeneously distributed stresses in a glass object |
| CN101111950A (en) * | 2005-02-03 | 2008-01-23 | 康宁股份有限公司 | Low alkali sealing frits, and seals and devices utilizing such frits |
| CN102046548A (en) * | 2008-06-25 | 2011-05-04 | 日本电气硝子株式会社 | Semiconductor encapsulation material and method for encapsulating semiconductor using the same |
| CN201859887U (en) * | 2010-08-27 | 2011-06-08 | 成都钟顺科技发展有限公司 | fly's eye light-focusing solar battery component |
| CN104936915A (en) * | 2013-01-24 | 2015-09-23 | 旭硝子株式会社 | Cover glass for solar cell, and solar cell module |
| CN103803797A (en) * | 2013-12-25 | 2014-05-21 | 齐鲁工业大学 | Luminescent glass for LED (Light-Emitting Diode) and preparation method of luminescent glass |
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