CN113493308A - High-reflection glass glaze capable of improving conversion rate of solar cell - Google Patents

High-reflection glass glaze capable of improving conversion rate of solar cell Download PDF

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Publication number
CN113493308A
CN113493308A CN202010226245.1A CN202010226245A CN113493308A CN 113493308 A CN113493308 A CN 113493308A CN 202010226245 A CN202010226245 A CN 202010226245A CN 113493308 A CN113493308 A CN 113493308A
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China
Prior art keywords
conversion rate
improving
solar cell
reflection glass
glass
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Pending
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CN202010226245.1A
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Chinese (zh)
Inventor
吴帝权
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Guangdong Octopus Enterprise Co ltd
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Guangdong Octopus Enterprise Co ltd
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Priority to CN202010226245.1A priority Critical patent/CN113493308A/en
Publication of CN113493308A publication Critical patent/CN113493308A/en
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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
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
    • C03C8/20—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing titanium compounds; containing zirconium compounds
    • 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
    • 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
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
    • C03C8/04—Frit compositions, i.e. in a powdered or comminuted form containing zinc
    • 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
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
    • C03C8/16—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions with vehicle or suspending agents, e.g. slip

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

The high-reflection glass glaze capable of improving the conversion rate of the solar cell is characterized by comprising 50-85% of glass phase powder, 30-50% of high-temperature pigment and 10-30% of organic water-oil ink-regulating oil adhesive, and is prepared by mixing the components in proportion and a preparation process, and then processing and grinding the mixture by using grinding equipment to prepare the final finished product of the solar high-reflection glass glaze.

Description

High-reflection glass glaze capable of improving conversion rate of solar cell
The technical field is as follows:
the invention belongs to the field of solar glass glaze, and particularly relates to a high-reflection glass glaze capable of improving the conversion rate of a solar cell.
Background art:
the government of China always puts the technologies for researching and developing solar energy and renewable resources into the national science and technology project, and the development of the solar energy and renewable energy technologies of China is greatly promoted. For more than twenty years, solar energy utilization technology, research and development, commercial production, market development and the like have been developed greatly, and the solar energy utilization technology becomes one of the emerging industries with rapid and stable development. China has made active development in the field of solar photovoltaic utilization, photovoltaic technology plays a role in solving the problem of domestic electricity utilization of people in remote areas without electricity in the west, and with the development of the photovoltaic industry in China, photovoltaic energy will play a significant role in energy development in China.
In the aspect of utilization of solar energy, solar energy photoelectric conversion is mainly realized by using a solar cell. Solar cells are mainly classified into two types according to the base material: one is a silicon solar cell, including a monocrystalline silicon cell, a polycrystalline silicon cell, an amorphous silicon cell, a microcrystalline silicon cell, and the like; one is a compound solar cell, mainly comprising a monocrystalline silicon compound cell and a polycrystalline silicon compound cell, and the silicon solar cell is always the mainstream product, wherein the polycrystalline silicon solar cell becomes the main angle of the world photovoltaic power generation market since 1998.
The solar energy is converted into the electric energy based on that the cell absorbs the illumination energy of the sun, but the conventional conversion rate of the cell is below 20%, which greatly limits the development of the solar energy industry, and how to improve the light-electricity conversion rate is always the subject of the development of research and development personnel, in a plurality of technical means for improving the solar energy conversion efficiency, the invention provides a high-reflection glass glaze material for improving the conversion rate of a solar cell, the high-reflection glass glaze is printed on the back surface of a silicon wafer, plays a role in transmitting sunlight through the silicon wafer and then reflecting the sunlight to the silicon wafer for the second time to absorb the sunlight, therefore, the secondary reflection light energy can be increased by more than 8 percent, the generating efficiency of the unit solar cell of 3-15 watts can be improved, and because of the white reflection effect, the influence of the roof on the room temperature can be reduced, and the energy consumption in the room is further saved.
The traditional common white glaze is currently used for tempered glass of buildings and household appliances, but the common white glaze does not have high reflection performance, has the reflectivity of less than 80 percent, poor hardness and scratch resistance, low insulating performance, poor acid resistance and weather resistance, and can not meet the requirement of improving the conversion rate of the solar cell.
Therefore, the invention provides the high-reflection glass glaze for improving the conversion rate of the solar cell, and overcomes the defects of the conventional common white glaze in the performances of reflectivity, insulativity, weather resistance and the like.
The invention content is as follows:
the high-reflection glass glaze capable of improving the conversion rate of the solar cell is characterized by comprising 50-85% of glass phase powder, 30-50% of high-temperature pigment and 10-30% of organic water-oil ink-regulating oil adhesive, and is prepared by mixing the components in proportion and a preparation process, and then processing and grinding the mixture by using grinding equipment to prepare the final finished product of the solar high-reflection glass glaze.
High-reflection for improving conversion rate of solar cellThe glass-firing glaze is characterized in that the glass phase powder comprises the following components: silicon dioxide SiO2(20% -30%) bismuth oxide Bi2O3(10% -20%), boron oxide B2O3(5% -70%), sodium carbonate NaCO3(10% -15%), TiO titanium oxide2(1% -10%), zirconium oxide ZrO2(1% -20%), alumina Al2O3(5% -20%), KCO3(3% -20%), zinc oxide ZnO (10% -20%) and calcium oxide CaO (1-10%), and the materials are mixed according to the above proportion, melted uniformly at the high temperature of 1000 ℃ -1300 ℃, poured into water to be quenched into glass beads, and then ball-milled into powder to prepare the glass phase powder.
A high-reflection glass glaze material for improving the conversion rate of a solar cell is characterized in that the high-temperature pigment components are as follows: titanium oxide TiO2。
A high-reflection glass glaze material for improving the conversion rate of a solar cell is characterized in that the organic water-oil ink-adjusting oil adhesive comprises the following components: terpineol (10-90%), dipropyl alcohol ether (10-90%) and resin (1-10%), and the above-mentioned organic materials are mixed and reacted to prepare the organic water-oil ink-regulating oil adhesive.
A high-reflection glass glaze for improving the conversion rate of a solar cell has the following function principle: the glaze material comprises glass phase powder as main component and Bi as main chemical component2O3-ZnO-SiO2Zn formation at high temperature of about 1200 deg.C2Bi2Si2O2Glass body containing metal oxide TiO2、ZrO2、Al2O3、Na2O、K2O、Li2O, CaO, the glass phase can form a connector to connect the glass and the color glaze together and play the role of controlling the melting property and durability of the glaze.
Description of the drawings:
FIG. 1 is a flow chart of a process for producing glass phase powder of a high reflection glass frit for increasing the conversion ratio of a solar cell;
FIG. 2 is a process flow chart of the production of an organic water-oil type varnish binder for a high reflection glass glaze for improving the conversion rate of a solar cell;
fig. 3 is a flow chart of a production process of a high-reflection glass glaze for improving the conversion rate of a solar cell.
The specific implementation mode is as follows:
as shown in figure 1, the glass phase powder of the high-reflection glass glaze for improving the conversion rate of the solar cell is prepared by taking silicon dioxide SiO according to a certain proportion2(20% -30%) bismuth oxide Bi2O3(10% -65%), boron oxide B2O3(5% -70%), sodium carbonate NaCO3(10% -15%), TiO titanium oxide2(1% -10%), zirconium oxide ZrO2(1% -20%), alumina Al2O3(5% -20%), KCO3(3% -20%), zinc oxide ZnO (10% -20%) and calcium oxide CaO (1-10%), uniformly mixing the raw materials, uniformly melting the mixture at the high temperature of 1000-1300 ℃, pouring the mixture into water for quenching to form glass beads, and ball-milling the glass beads into powder to prepare the glass phase powder.
As shown in figure 2, the organic water-oil ink-regulating oil adhesive for the high-reflection glass glaze capable of improving the conversion rate of the solar cell is prepared by mixing and reacting terpineol (10% -90%), dipropanol ether (10% -90%) and resin (1% -10%) according to a certain proportion.
As shown in figure 3, the high-reflection glass glaze for improving the conversion rate of the solar cell is prepared by uniformly mixing 50-85% of glass phase powder, 30-50% of high-temperature pigment and 10-30% of organic water-oil ink-regulating oil adhesive according to a certain proportion, and then processing and grinding the mixture by using grinding equipment to prepare the final finished product of the high-reflection glass white glaze.
A high-reflection glass glaze for improving the conversion rate of a solar cell is prepared by uniformly applying white glaze on glass by silk-screen printing, spraying and other processes, drying by infrared heating at a temperature below 200 ℃ for 15-20 seconds, sintering or toughening the glass in a high-temperature furnace, firmly sintering the glaze and the surface of the solar glass together, and producing the solar high-reflection glass meeting the requirements after the treatment.
Has the advantages that: the invention relates to a high-reflection glass glaze for improving the conversion rate of a solar cell, which is a high-temperature sintering glass glaze using an inorganic material as a main raw material, wherein the inorganic material is used as an intermediate combined with glass, has the performances of high acid resistance, high adhesive force, high insulation and the like, is added with an inorganic pigment to play a role in high reflection, and has better printing performance and environmental protection effect when being matched with an organic water-oil ink-based varnish adhesive, and the significance of the invention is as follows: 1. has high reflectivity of more than 80 percent; 2. high hardness and good scratch resistance; 3. the resistance value is more than 2 x 10-8 ohm, the insulativity is high, and the safety is higher; 4. high acid resistance and good weather resistance; 5. the back plate has good PID performance, the performance of the back plate is normal under the high-temperature, high-humidity and high-voltage environment, the color and the appearance of the back plate glass near the junction box are normal, and the phenomena of blackening and yellowing are avoided; 6. does not contain heavy metal, reduces VOC emission, and is energy-saving and environment-friendly.
The above description specifically describes the medium material, water-oil type varnish binder and the manufacturing method of the high reflection glass glaze for improving the conversion rate of the solar cell provided by the present invention, and the description is made with reference to specific examples, but the above description is only the best example of the present invention and should not be construed as limiting the scope of the present invention, and minor changes or modifications made by those skilled in the art according to the present invention shall fall within the scope of the present invention.

Claims (4)

1. The high-reflection glass glaze capable of improving the conversion rate of the solar cell is characterized by comprising 50-85% of glass phase powder, 30-50% of high-temperature pigment and 10-30% of organic water-oil ink-regulating oil adhesive, and is prepared by mixing the components in proportion and a preparation process, and then processing and grinding the mixture by using grinding equipment to prepare the final finished product of the solar high-reflection glass glaze.
2. The high-reflection glass glaze for improving conversion rate of solar cells as claimed in claim 1The glass phase powder is characterized by comprising the following components in percentage by weight: silicon dioxide SiO2(20% -30%) bismuth oxide Bi2O3(10% -20%), boron oxide B2O3(5% -70%), sodium carbonate NaCO3(10% -15%), TiO titanium oxide2(1% -10%), zirconium oxide ZrO2(1% -20%), alumina Al2O3(5% -20%), KCO3(3% -20%), zinc oxide ZnO (10% -20%) and calcium oxide CaO (1-10%), and the materials are mixed according to the above proportion, melted uniformly at the high temperature of 1000 ℃ -1300 ℃, poured into water to be quenched into glass beads, and then ball-milled into powder to prepare the glass phase powder.
3. The high-reflection glass frit for improving the conversion rate of a solar cell as claimed in claim 1, wherein the high-temperature pigment component is: titanium oxide TiO2。
4. The high-reflection glass glaze for improving the conversion rate of solar cells as claimed in claim 1, wherein the binder of the organic water-oil type varnish is: terpineol (10% -90%), dipropanol ether (10% -90%) and resin (1% -10%), and the above-mentioned organic materials are mixed and reacted to obtain the invented organic water-oil ink-regulating oil adhesive.
CN202010226245.1A 2020-03-20 2020-03-20 High-reflection glass glaze capable of improving conversion rate of solar cell Pending CN113493308A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116239312A (en) * 2023-03-17 2023-06-09 江西盛富莱光学科技股份有限公司 Environment-friendly high-reflection ink coating for photovoltaic glass and preparation method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010111520A (en) * 2008-11-04 2010-05-20 Nippon Electric Glass Co Ltd Method for producing bismuth-based glass powder
CN102314958A (en) * 2011-08-31 2012-01-11 乐凯胶片股份有限公司 Conductive aluminum paste used for crystalline-silicon solar-battery back electrode and preparation method thereof
CN105623376A (en) * 2016-02-26 2016-06-01 武汉理工大学 Acid-and-alkali-resistant environment-friendly ink for automotive windscreen and preparing method thereof
US20170247286A1 (en) * 2014-08-18 2017-08-31 B.G. Negev Technologies And Applications Ltd., At Ben-Gurion University Coatings for solar applications
CN108441025A (en) * 2018-04-04 2018-08-24 佛山市高明绿色德化工有限公司 A kind of high-temperature environmental-protection height covers black ink and preparation method thereof
CN109775986A (en) * 2017-11-10 2019-05-21 广东奥迪博士实业有限公司 A kind of anti-sticking masking silver wire glaze of vehicle glass
CN110342821A (en) * 2018-04-08 2019-10-18 广东奥迪博士实业有限公司 A kind of anti-sticking glaze of 3D touch-control glass hot bending compression moulding

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010111520A (en) * 2008-11-04 2010-05-20 Nippon Electric Glass Co Ltd Method for producing bismuth-based glass powder
CN102314958A (en) * 2011-08-31 2012-01-11 乐凯胶片股份有限公司 Conductive aluminum paste used for crystalline-silicon solar-battery back electrode and preparation method thereof
US20170247286A1 (en) * 2014-08-18 2017-08-31 B.G. Negev Technologies And Applications Ltd., At Ben-Gurion University Coatings for solar applications
CN105623376A (en) * 2016-02-26 2016-06-01 武汉理工大学 Acid-and-alkali-resistant environment-friendly ink for automotive windscreen and preparing method thereof
CN109775986A (en) * 2017-11-10 2019-05-21 广东奥迪博士实业有限公司 A kind of anti-sticking masking silver wire glaze of vehicle glass
CN108441025A (en) * 2018-04-04 2018-08-24 佛山市高明绿色德化工有限公司 A kind of high-temperature environmental-protection height covers black ink and preparation method thereof
CN110342821A (en) * 2018-04-08 2019-10-18 广东奥迪博士实业有限公司 A kind of anti-sticking glaze of 3D touch-control glass hot bending compression moulding

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116239312A (en) * 2023-03-17 2023-06-09 江西盛富莱光学科技股份有限公司 Environment-friendly high-reflection ink coating for photovoltaic glass and preparation method thereof

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