CN107285637A - It is a kind of to be used to prepare glass dust of solar cell front side silver paste and preparation method thereof - Google Patents
It is a kind of to be used to prepare glass dust of solar cell front side silver paste and preparation method thereof Download PDFInfo
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- CN107285637A CN107285637A CN201710315720.0A CN201710315720A CN107285637A CN 107285637 A CN107285637 A CN 107285637A CN 201710315720 A CN201710315720 A CN 201710315720A CN 107285637 A CN107285637 A CN 107285637A
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- glass dust
- silver paste
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- solar cell
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- 239000011521 glass Substances 0.000 title claims abstract description 64
- 239000000428 dust Substances 0.000 title claims abstract description 50
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 36
- 239000004332 silver Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 43
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000203 mixture Substances 0.000 claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000843 powder Substances 0.000 claims abstract description 28
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000010902 straw Substances 0.000 claims abstract description 23
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 22
- 239000004917 carbon fiber Substances 0.000 claims abstract description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 19
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 19
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 19
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 19
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 19
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 17
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 17
- 239000004006 olive oil Substances 0.000 claims abstract description 16
- 235000008390 olive oil Nutrition 0.000 claims abstract description 16
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims abstract description 13
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract description 9
- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium monoxide Inorganic materials [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 claims abstract description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 9
- QPLDLSVMHZLSFG-UHFFFAOYSA-N CuO Inorganic materials [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 8
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims abstract description 8
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 claims abstract description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 8
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000007654 immersion Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 240000007817 Olea europaea Species 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 4
- 230000009466 transformation Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 230000005693 optoelectronics Effects 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005622 photoelectricity Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000156 glass melt Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- XHGGEBRKUWZHEK-UHFFFAOYSA-L tellurate Chemical compound [O-][Te]([O-])(=O)=O XHGGEBRKUWZHEK-UHFFFAOYSA-L 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- 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
- C03C12/00—Powdered glass; Bead compositions
-
- 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
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/002—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of fibres, filaments, yarns, felts or woven material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
- H01B1/16—Conductive material dispersed in non-conductive inorganic material the conductive material comprising metals or alloys
-
- 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
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Glass Compositions (AREA)
Abstract
It is a kind of to be used to prepare glass dust of solar cell front side silver paste and preparation method thereof.The glass dust includes following components：SiO2, MnO2, K2O, Na2O, CuO, Cu2O, MgO, Al2O3, ZnO, Bi2O, CaO, TaO, powder of straw, ammonium nitrate, ethyl acetate, olive oil, ethanol, carbon fiber.By SiO2, MnO2, K2O, Na2O, CuO, Cu2O, MgO, Al2O3, ZnO, Bi2O, CaO and TaO are mixed, and take 2/3 1/2 ethanol to add, low temperature immersion, lyophilized to crush to obtain the first mixture；First mixture, powder of straw and carbon fiber are immersed after olive oil, ground, repetition is soaked and grinds to obtain the second mixture；By the second mixture heating and melting, other components are added, extrusion produces glass dust after stirring.Glass dust fusing point of the present invention is low, particle diameter is small, and the optoelectronic transformation efficiency of gained silver paste is high.
Description
Technical field
The invention belongs to technical field of solar batteries, and in particular to a kind of to be used to prepare solar cell front side silver paste
Glass dust and preparation method thereof.
Background technology
With the development of science and technology, the extensive use of solar energy, the technology for preparing solar energy is also more and more ripe.Glass dust is made
One of component for front side silver paste, it directly affects solar cell electric property, especially influences its series resistance, Jin Erying
Ring and arrive cell photoelectric conversion efficiency.
The Chinese patent of application number 201610431555.0 discloses a kind of glass dust and the solar cell prepared with it
Front side silver paste and preparation method thereof.The glass dust includes each component 55%-97.9%TeO of following weight percent2、1-20%
Bi2O3、1-20%Li2O、0.7-5%PbO、0-10%ZnO、0-5%Al2O3、0-10%SiO2.Preparation method：The mass percent is taken to be
10%~40% organic resin, add mass percent for 60%~90% organic solvent stir 1 at 80~150 DEG C~
2 hours, the organic carrier of homogeneous transparent is obtained after dissolving；By load weighted above-mentioned glass dust raw material at 800 DEG C~1400 DEG C, protect
Temperature melts for 0.5~1 hour, after the molten slurry quenching of glass after fusing, is milled to 0.5~2um, then through 325~400 eye mesh screen mistakes
Sieve, you can obtain suitable glass powder standby；Take silver powder, 10%~15% step that mass percent is 80%~93%
(1) glass dust described in organic carrier, 0.5%~5% step (2) obtained by is mixed evenly；It will be mixed made from step (3)
Conjunction silver paste, which is put into three-roll grinder, to be fully ground 8-10 times, is less than 10 μm to slurry fineness, so as to obtain silver paste slurry.This hair
Lead is not main component in bright glass powder component, and its mass percent is less than 5%, and the high temperature of glass can be adjusted by being properly added lead
Viscosity and softening point, reduce contact resistance, extend applicability of the slurry to silicon chip sheet resistance；But lead content is relatively low, non-master into
Point, ecological requirements have both been reached, the applicability of high square resistance technique is realized again, it is effective to solve the problem of positive silver paste is environmentally friendly；
Addition of the invention by controlling alkali metal Li, effectively extends sintering temperature, it is ensured that the stability of product, effectively
The photoelectric transformation efficiency of silicon based cells is improved, while the solderability and pulling force of grid line are improved, it is made using the tellurate glass powder
Standby positive silver-colored cell piece, its efficiency can meet or exceed the level of commercial slurry while environmental protection is ensured.
The Chinese patent of application number 201310343909.2 discloses a kind of wide temperate zone solar cell front side silver paste glass dust
And preparation method thereof.The glass dust is made up of the raw material including following percentage by weight：PbO50-80, B2O31-10,
Al2O30.5-7, SiO25-25, ZnO0-8, R2O0-10, ZrO20-5, TiO20-5, MgO0-3, wherein R2O is Li2O、Na2O、K2O
In one or more kinds of combinations, PbO and SiO2Mol ratio be 1-3, B2O3O.1-0.5 mol ratio with PbO is.Preparation side
Method is：Described raw material parts by weights is also known as measured, it is uniform by being sufficiently mixed, obtain mixed raw material；It will mix
Raw material be fitted into alumina crucible, then by crucible be put into high temperature box furnace heat up, be incubated at a temperature of 1200-1300 DEG C
Found 0.5-1 hours, the glass melts uniformly clarified；By the glass metal melted quenching in deionized water, after cooling
Glass particle is taken out, is dried in 100 DEG C of baking ovens；Obtained glass particle ball milling in ball mill will be dried, deionization is added
Water, uses diameter 20-30mm big abrading-ball, ball milling 2-5 hours；By step 4) sieving of obtained glass slurry takes out abrading-ball, then
Put into ball mill, using diameter 1-5mm small abrading-ball, add appropriate amount of deionized water, ball milling 1-4 hours；By step 5) obtain
Glass slurry carry out sieving and take out small abrading-ball, obtain glass dust slurry；By step 6) obtained glass dust slurry, it is put into setting
Temperature is made glass dust finished product fully to be dried in 100 DEG C of convection oven.Glass dust of the present invention has chemistry steady
The advantage that qualitative good, softening temperature is suitable, wetting, cementability are good, after preparing front side silver paste and sintering, in wider sintering temperature
In the range of degree, good Ohmic contact is formed, with low series resistance, high open-circuit voltage and FF values, cell piece photoelectricity turn
Change efficiency high and weathering stability is good, and welding pulling force is good, can meet technical requirements of the front side silver paste to glass dust.But
The glass powder component lead tolerance is high, easily causes environmental pollution, endangers the life security of people.
The content of the invention
In view of the shortcomings of the prior art, it is used to prepare solar cell front side silver paste it is an object of the invention to provide one kind
Glass dust and preparation method thereof, glass frit component environmental protection, fusing point is low, and preparation method is simple, low for equipment requirements, is adapted to
Industrialization.
To solve prior art problem, the technical scheme that the present invention takes is：
A kind of glass dust for being used to prepare solar cell front side silver paste, by weight fraction meter, including following components：SiO2 20-
25 parts, MnO21-8 parts, K2O2-7 parts, Na2O12-14 parts, CuO1-4 parts, Cu2O5-8 parts, MgO9-15 parts, Al2O33-8 parts,
ZnO1-8 parts, Bi2O10-18 parts, CaO1-8 parts, TaO1-8 parts, 12-28 parts of powder of straw, 10-24 parts of ammonium nitrate, ethyl acetate 1-
8 parts, 2-5 parts of olive oil, 20-30 parts of ethanol, 1-4 parts of carbon fiber.
It is as improved, the above-mentioned glass dust for being used to prepare solar cell front side silver paste, by weight fraction meter, including
Following components：SiO223 parts, MnO25 parts, K2O6 parts, Na2O13 parts, CuO3 parts, Cu2O6 parts, MgO13 parts, Al2O35 parts, ZnO5
Part, Bi2O14 parts, CaO5 parts, TaO6 parts, 22 parts of powder of straw, 23 parts of ammonium nitrate, 5 parts of ethyl acetate, 3 parts of olive oil, ethanol 22
Part, 2 parts of carbon fiber.
It is as improved, in addition to Fe2O34-9 parts.
It is that the mesh number of the powder of straw and carbon fiber is 400-600 mesh as improved.
The above-mentioned preparation method for being used to prepare the glass dust of solar cell front side silver paste, comprises the following steps：Step 1,
Each component is weighed, by SiO2, MnO2, K2O, Na2O, CuO, Cu2O, MgO, Al2O3, ZnO, Bi2O, CaO and TaO are well mixed, and are taken
2/3-1/2 ethanol is added, and low temperature soaks 24-48 hours, freezes the first mixture crushed；Step 2, by the first mixture,
In powder of straw and carbon fiber immersion olive oil after 10-20 minutes, it is placed in ball mill and grinds, repetition is soaked and ground 2-4 times
Second mixture；Step 3, the second mixture is moved into reactor, is heated to 1800-2100 DEG C, add ammonium nitrate, acetic acid second
Ester and remaining ethanol, move into extrusion in three roller extruders and produce glass dust after stirring.
It is that the temperature that low temperature soaks in step 1 is 1-4 DEG C as improved.
It is that the mesh number of second mixture is 300-400 mesh in step 2 as improved.
It is, mixing speed 120-210rpm in step 3 that the extrusion temperature of three roller extruders is 180-210 as improved
℃。
Beneficial effect
Glass dust particle diameter of the present invention is small, and fusing point is low, and composition is simple, environmentally safe, and silver paste is prepared with this glass dust, and photoelectricity turns
Rate is high, uses powder of straw for one of raw material, reduces cost, in addition, preparation method is simple, low for equipment requirements, using dividing
The method of section processing raw material improves the combination property of glass dust.
Embodiment
Embodiment 1
A kind of glass dust for being used to prepare solar cell front side silver paste, by weight fraction meter, including following components：SiO2 20
Part, MnO21 part, K2O2 parts, Na2O12 parts, CuO1 parts, Cu2O5 parts, MgO9 parts, Al2O33 parts, ZnO1 parts, Bi2O10 parts, CaO1-
8 parts, TaO1-8 parts, 12 parts of powder of straw, 10 parts of ammonium nitrate, 1 part of ethyl acetate, 2 parts of olive oil, 20 parts of ethanol, 1 part of carbon fiber.
The powder of straw and the mesh number of carbon fiber are 400 mesh.
The above-mentioned preparation method for being used to prepare the glass dust of solar cell front side silver paste, comprises the following steps：Step 1,
Each component is weighed, by SiO2, MnO2, K2O, Na2O, CuO, Cu2O, MgO, Al2O3, ZnO, Bi2O, CaO and TaO are well mixed, and are taken
2/3 ethanol is added, and low temperature soaks 24 hours, freezes the first mixture crushed；Step 2, by the first mixture, powder of straw and
In carbon fiber immersion olive oil after 10 minutes, it is placed in ball mill and grinds, the second mixture is soaked and ground 2 times and to obtain in repetition；Step
Rapid 3, the second mixture is moved into reactor, 1800 DEG C are heated to, ammonium nitrate, ethyl acetate and remaining ethanol is added, stirs
Extrusion in three roller extruders is moved into after mixing and produces glass dust.
Wherein, the temperature that low temperature soaks in step 1 is 1 DEG C.
The mesh number of second mixture is 300 mesh in step 2.
Mixing speed 120rpm in step 3, the extrusion temperature of three roller extruders is 180 DEG C.
Embodiment 2
A kind of glass dust for being used to prepare solar cell front side silver paste, by weight fraction meter, including following components： SiO2 23
Part, MnO25 parts, K2O6 parts, Na2O13 parts, CuO3 parts, Cu2O6 parts, MgO13 parts, Al2O35 parts, ZnO5 parts, Bi2O14 parts, CaO5
Part, TaO6 parts, 22 parts of powder of straw, 23 parts of ammonium nitrate, 5 parts of ethyl acetate, 3 parts of olive oil, 22 parts of ethanol, 2 parts of carbon fiber.
The powder of straw and the mesh number of carbon fiber are 500 mesh.
The above-mentioned preparation method for being used to prepare the glass dust of solar cell front side silver paste, comprises the following steps：Step 1,
Each component is weighed, by SiO2, MnO2, K2O, Na2O, CuO, Cu2O, MgO, Al2O3, ZnO, Bi2O, CaO and TaO are well mixed, and are taken
1/2 ethanol is added, and low temperature soaks 32 hours, freezes the first mixture crushed；Step 2, by the first mixture, powder of straw and
In carbon fiber immersion olive oil after 15 minutes, it is placed in ball mill and grinds, the second mixture is soaked and ground 3 times and to obtain in repetition；Step
Rapid 3, the second mixture is moved into reactor, 2000 DEG C are heated to, ammonium nitrate, ethyl acetate and remaining ethanol is added, stirs
Extrusion in three roller extruders is moved into after mixing and produces glass dust.
Wherein, the temperature that low temperature soaks in step 1 is 3 DEG C.
The mesh number of second mixture is 320 mesh in step 2.
Mixing speed 180rpm in step 3, the extrusion temperature of three roller extruders is 190 DEG C.
Embodiment 3
A kind of glass dust for being used to prepare solar cell front side silver paste, by weight fraction meter, including following components：SiO2 25
Part, MnO28 parts, K2O7 parts, Na2O14 parts, CuO4 parts, Cu2O8 parts, MgO15 parts, Al2O38 parts, ZnO8 parts, Bi2O18 parts, CaO8
Part, TaO8 parts, 28 parts of powder of straw, 24 parts of ammonium nitrate, 8 parts of ethyl acetate, 5 parts of olive oil, 30 parts of ethanol, 4 parts of carbon fiber.
The powder of straw and the mesh number of carbon fiber are 600 mesh.
The above-mentioned preparation method for being used to prepare the glass dust of solar cell front side silver paste, comprises the following steps：Step 1,
Each component is weighed, by SiO2, MnO2, K2O, Na2O, CuO, Cu2O, MgO, Al2O3, ZnO, Bi2O, CaO and TaO are well mixed, and are taken
1/2 ethanol is added, and low temperature soaks 48 hours, freezes the first mixture crushed；Step 2, by the first mixture, powder of straw and
In carbon fiber immersion olive oil after 20 minutes, it is placed in ball mill and grinds, the second mixture is soaked and ground 4 times and to obtain in repetition；Step
Rapid 3, the second mixture is moved into reactor, 2100 DEG C are heated to, ammonium nitrate, ethyl acetate and remaining ethanol is added, stirs
Extrusion in three roller extruders is moved into after mixing and produces glass dust.
Wherein, the temperature that low temperature soaks in step 1 is 4 DEG C.
The mesh number of second mixture is 400 mesh in step 2.
Mixing speed 210rpm in step 3, the extrusion temperature of three roller extruders is 210 DEG C.
Embodiment 4
A kind of glass dust for being used to prepare solar cell front side silver paste, by weight fraction meter, including following components： SiO2 23
Part, MnO25 parts, K2O6 parts, Na2O13 parts, CuO3 parts, Cu2O6 parts, MgO13 parts, Al2O35 parts, ZnO5 parts, Bi2O14 parts, CaO5
Part, TaO6 parts, 22 parts of powder of straw, 23 parts of ammonium nitrate, 5 parts of ethyl acetate, 3 parts of olive oil, 22 parts of ethanol, 2 parts of carbon fiber,
Fe2O34-9 parts.
The powder of straw and the mesh number of carbon fiber are 500 mesh.
The above-mentioned preparation method for being used to prepare the glass dust of solar cell front side silver paste, comprises the following steps：Step 1,
Each component is weighed, by SiO2, MnO2, K2O, Na2O, CuO, Cu2O, MgO, Al2O3, ZnO, Bi2O, CaO, Fe2O3It is equal with TaO mixing
It is even, take 1/2 ethanol to add, low temperature soaks 32 hours, freeze the first mixture crushed；Step 2, by the first mixture, straw
In stalk powder and carbon fiber immersion olive oil after 15 minutes, it is placed in ball mill and grinds, the second mixing is soaked and ground 3 times and to obtain in repetition
Thing；Step 3, the second mixture is moved into reactor, is heated to 2000 DEG C, add ammonium nitrate, ethyl acetate and remaining second
Extrusion in three roller extruders is moved into after alcohol, stirring and produces glass dust.
Wherein, the temperature that low temperature soaks in step 1 is 3 DEG C.
The mesh number of second mixture is 320 mesh in step 2.
Mixing speed 180rpm in step 3, the extrusion temperature of three roller extruders is 190 DEG C.
Performance test
Embodiment 1-4 and the glass dust of comparative example 1 are used to prepare solar cell front side silver paste, related data such as following table institute is surveyed
Show, wherein comparative example 1 is the embodiment 1 of the Chinese patent of application number 201610431555.0.
It is seen from the above data that glass dust fusing point is low in the present invention, the photoelectricity for preparing solar cell front side silver paste
High conversion rate, and cost is not leaded, environmentally safe, preparation process is simple, using segment processing raw material, improves glass dust
Performance, be adapted to industrialization.
Claims (8)
1. a kind of glass dust for being used to prepare solar cell front side silver paste, it is characterised in that fraction meter, including following by weight
Component：SiO220-25 parts, MnO21-8 parts, K2O2-7 parts, Na2O12-14 parts, CuO1-4 parts, Cu2O5-8 parts, MgO9-15 parts,
Al2O33-8 parts, ZnO1-8 parts, Bi2O10-18 parts, CaO1-8 parts, TaO1-8 parts, 12-28 parts of powder of straw, 10-24 parts of ammonium nitrate,
1-8 parts of ethyl acetate, 2-5 parts of olive oil, 20-30 parts of ethanol, 1-4 parts of carbon fiber.
2. a kind of glass dust for being used to prepare solar cell front side silver paste according to claim 1, it is characterised in that press
Weight fraction meter, including following components：SiO223 parts, MnO25 parts, K2O6 parts, Na2O13 parts, CuO3 parts, Cu2O6 parts, MgO13
Part, Al2O35 parts, ZnO5 parts, Bi2O14 parts, CaO5 parts, TaO6 parts, 22 parts of powder of straw, 23 parts of ammonium nitrate, 5 parts of ethyl acetate, olive
3 parts of olive oil, 22 parts of ethanol, 2 parts of carbon fiber.
3. a kind of glass dust for being used to prepare solar cell front side silver paste according to claim 1, it is characterised in that also
Including Fe2O34-9 parts.
4. a kind of glass dust for being used to prepare solar cell front side silver paste according to claim 1, it is characterised in that institute
The mesh number for stating powder of straw and carbon fiber is 400-600 mesh.
5. based on described in claim 1 it is a kind of be used for prepare solar cell front side silver paste glass dust preparation method, its
It is characterised by, comprises the following steps：Step 1, each component is weighed, by SiO2, MnO2, K2O, Na2O, CuO, Cu2O, MgO, Al2O3,
ZnO, Bi2O, CaO and TaO are well mixed, and take 2/3-1/2 ethanol to add, and low temperature soaks 24-48 hour, and the of lyophilized crushing
One mixture；Step 2, after 10-20 minutes, ball mill will be placed in the first mixture, powder of straw and carbon fiber immersion olive oil
In grind, repetition soak and grind 2-4 time obtain the second mixture；Step 3, the second mixture is moved into reactor, be heated to
1800-2100 DEG C, ammonium nitrate, ethyl acetate and remaining ethanol are added, extrusion in three roller extruders is moved into after stirring and produces glass
Glass powder.
6. a kind of preparation method for being used to prepare the glass dust of solar cell front side silver paste according to claim 5, its
It is characterised by, the temperature that low temperature soaks in step 1 is 1-4 DEG C.
7. a kind of preparation method for being used to prepare the glass dust of solar cell front side silver paste according to claim 5, its
It is characterised by, the mesh number of second mixture is 300-400 mesh in step 2.
8. a kind of preparation method for being used to prepare the glass dust of solar cell front side silver paste according to claim 5, its
It is characterised by, mixing speed 120-210rpm in step 3, the extrusion temperature of three roller extruders is 180-210 DEG C.
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| CN201710315720.0A CN107285637A (en) | 2017-05-08 | 2017-05-08 | It is a kind of to be used to prepare glass dust of solar cell front side silver paste and preparation method thereof |
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| CN201710315720.0A CN107285637A (en) | 2017-05-08 | 2017-05-08 | It is a kind of to be used to prepare glass dust of solar cell front side silver paste and preparation method thereof |
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| CN102652118A (en) * | 2009-12-18 | 2012-08-29 | E·I·内穆尔杜邦公司 | Glass compositions used in conductors for photovoltaic cells |
| CN103177787A (en) * | 2011-12-26 | 2013-06-26 | 比亚迪股份有限公司 | Conductive powder used for preparing conductive silver paste and conductive silver paste |
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| CN104926109A (en) * | 2015-05-27 | 2015-09-23 | 广州市儒兴科技开发有限公司 | Glass powder applied to sliver-covered slurry of crystalline silicon solar cell |
| CN105810284A (en) * | 2016-03-22 | 2016-07-27 | 广西吉宽太阳能设备有限公司 | Slurry for silicon solar cell |
| CN106098144A (en) * | 2016-06-17 | 2016-11-09 | 上海匡宇科技股份有限公司 | A kind of glass dust and with its solar cell front side silver paste prepared and preparation method thereof |
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2017
- 2017-05-08 CN CN201710315720.0A patent/CN107285637A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102652118A (en) * | 2009-12-18 | 2012-08-29 | E·I·内穆尔杜邦公司 | Glass compositions used in conductors for photovoltaic cells |
| CN103177787A (en) * | 2011-12-26 | 2013-06-26 | 比亚迪股份有限公司 | Conductive powder used for preparing conductive silver paste and conductive silver paste |
| CN103915127A (en) * | 2013-01-03 | 2014-07-09 | 上海匡宇电子技术有限公司 | Front silver paste for high sheet resistance silicon-based solar cell and preparing method of front silver paste |
| CN104926109A (en) * | 2015-05-27 | 2015-09-23 | 广州市儒兴科技开发有限公司 | Glass powder applied to sliver-covered slurry of crystalline silicon solar cell |
| CN105810284A (en) * | 2016-03-22 | 2016-07-27 | 广西吉宽太阳能设备有限公司 | Slurry for silicon solar cell |
| CN106098144A (en) * | 2016-06-17 | 2016-11-09 | 上海匡宇科技股份有限公司 | A kind of glass dust and with its solar cell front side silver paste prepared and preparation method thereof |
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Application publication date: 20171024 |