CN107117824A - A kind of lead-free glass powder used for solar batteries and preparation method thereof - Google Patents
A kind of lead-free glass powder used for solar batteries and preparation method thereof Download PDFInfo
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- CN107117824A CN107117824A CN201710350977.XA CN201710350977A CN107117824A CN 107117824 A CN107117824 A CN 107117824A CN 201710350977 A CN201710350977 A CN 201710350977A CN 107117824 A CN107117824 A CN 107117824A
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- lead
- glass powder
- solar batteries
- glass
- raw material
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- 239000011521 glass Substances 0.000 title claims abstract description 93
- 239000000843 powder Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000428 dust Substances 0.000 claims abstract description 40
- 239000002994 raw material Substances 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 12
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 12
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 12
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 12
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 12
- 229910019714 Nb2O3 Inorganic materials 0.000 claims abstract description 11
- 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 11
- GHPGOEFPKIHBNM-UHFFFAOYSA-N antimony(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Sb+3].[Sb+3] GHPGOEFPKIHBNM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 11
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000003723 Smelting Methods 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 230000001788 irregular Effects 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 abstract description 7
- 239000002002 slurry Substances 0.000 abstract description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052710 silicon Inorganic materials 0.000 abstract description 6
- 239000010703 silicon Substances 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000011056 performance test Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000005308 flint glass Substances 0.000 description 2
- 229910000464 lead oxide Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- XMFOQHDPRMAJNU-UHFFFAOYSA-N lead(II,IV) oxide Inorganic materials O1[Pb]O[Pb]11O[Pb]O1 XMFOQHDPRMAJNU-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003746 solid phase reaction 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
-
- 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
Abstract
The invention discloses a kind of lead-free glass powder used for solar batteries and preparation method thereof, the lead-free glass powder is made up of the raw material of following percentage by weight：18%~24%SiO2, 3%~7%TiO2, 28%~36%Bi2O3, 1%~4%Al2O3, 2%~6%ZnO, 26%~34%B2O3, 1%~3%Sb2O3, 1%~3%Nb2O3, each component percetage by weight sum is 100%.The lead-free glass powder softening point used for solar batteries that the present invention is provided is relatively low, and the coefficient of expansion is 43~49 × 10 after sintering‑7/ DEG C, shrinkage factor is small, is more matched in sintering with silicon wafer of the prior art.The glass powder, preparation method thereof that the present invention is provided is reasonable in design, simple and easy to apply.Electrocondution slurry is made of the glass dust for preparing of the present invention can provide excellent adhesive force and photoelectric transformation efficiency when preparing solar cell, so as to improve service efficiency and the life-span of solar cell.
Description
Technical field
The invention belongs to area of solar cell, and in particular to a kind of lead-free glass powder used for solar batteries and its preparation side
Method.
Background technology
Glass dust be pacify meter Wei Na a kind of unformed hard-particle powder of machine, in production using raw material be PbO, SiO2,
After the electron level such as TiO2 raw material is mixed, then high temperature carries out solid phase reaction, forms the glass isotropic body of disordered structure, and chemical property is steady
Fixed, its acid resistance has exceeded well over lead oxide, is a kind of anti-zoned high transparency powder of easily polishing, particle diameter is small, good dispersion, transparency
High, result of prevention is good；Improved by surface, with good affinity, and have stronger steric hindrance ability, can easily divide
Dissipate in coating, coating richness can be increased after film forming.
Glass dust relates generally to the preparation of electrocondution slurry in area of solar cell, belongs to essential in electrocondution slurry
One of raw material, electrocondution slurry is covered on silicon substrate by way of silk-screen printing, and grid are formed on a silicon substrate by sintering
Line electrode, and glass dust plays vital effect in sintering process, the process of sintering affects the grid line eventually formed
Adhesive force size between electrode and silicon substrate, the height of cell piece ohmic contact resistance, so as to influence solar cell indirectly
Photoelectric transformation efficiency and service life.
The gate line electrode that flint glass can be made electrocondution slurry when preparing electrocondution slurry as glass dust has good
Good Ohmic contact, but the primary raw material lead oxide of flint glass belongs to hypertoxic heavy metal compound, belongs to bright in RoHS standards
One of six kinds of harmful substances that fidelity system is used.Disclose a kind of for solar cell front side silver paste in CN 103992038A
Glass dust, the patent use PbO, Pb3O4、PbF2As the raw material of glass dust, although the glass dust prepared is with excellent
Performance, but lead tolerance is too high, not environmentally.Therefore, a kind of glass dust for taking into account environmentally friendly and efficient performance is developed imperative.
The content of the invention
In summary, it is an object of the invention to provide a kind of environmental-friendly and efficient lead-free glass powder used for solar batteries.
It is a kind of simple to operate another object of the present invention is to provide, it is easy to the lead-free glass powder used for solar batteries of execution
Preparation method.
A kind of lead-free glass powder used for solar batteries, is made up of the raw material of following percentage by weight：18%~24%SiO2,
3%~7%TiO2, 28%~36%Bi2O3, 1%~4%Al2O3, 2%~6%ZnO, 26%~34%B2O3, 1%~3%
Sb2O3, 1%~3%Nb2O3, each component percetage by weight sum is 100%.
It is preferred that, a kind of lead-free glass powder used for solar batteries is made up of the raw material of following percentage by weight：20%~
22%SiO2, 4%~6%TiO2, 32%~34%Bi2O3, 2%~3%Al2O3, 4%~5%ZnO, 30%~31%B2O3,
1%~2%Sb2O3, 1%~2%Nb2O3, each component percetage by weight sum is 100%.
It is preferred that, a kind of lead-free glass powder used for solar batteries is made up of the raw material of following percentage by weight：20%
SiO2, 6%TiO2, 34%Bi2O3, 2%Al2O3, 4%ZnO, 30%B2O3, 2%Sb2O3, 2%Nb2O3, each component weight percent
Number sum is 100%.
A kind of preparation method of lead-free glass powder used for solar batteries, comprises the following steps：
Step 1) each component glass dust raw material is weighed respectively in proportion be ready to；
Step 2) by step 1) glass dust raw material is placed in crucible and is mixed evenly at normal temperatures；
Step 3) by step 2) crucible for carrying glass dust raw material be placed in high-temperature smelting pot be heated to 1100 DEG C-
1300 DEG C, continue 1~2h, be smelted into uniform glass metal；
Step 4) by step 3) glass metal carries out water quenching with deionized water, forms the irregular broken thin slice of glass；
Step 5) by step 4) the broken thin slice of glass is placed in ball mill and crushes, and continues 6~8h, rotating speed is set to
250r/min~350r/min；
Step 6) by step 5) the good glass dust of the ball milling sieves, sieve mesh number is 200~250 mesh；
Step 7) by step 6) glass dust after the sieving is placed in dryer and dries, and continues 3~5h, temperature setting is
55~65 DEG C, the lead-free glass powder used for solar batteries is made.
It is preferred that, in above-mentioned preparation method, step 3) heating-up temperature of the high-temperature smelting pot is 1200 DEG C, step 5) described
The rotating speed of ball mill is set to 300r/min, step 7) drying temperature of the dryer is 60 DEG C.
The lead-free glass powder softening point used for solar batteries that the present invention is provided is relatively low, and the coefficient of expansion is 43~49 after sintering
×10-7/ DEG C, shrinkage factor is small, is more matched in sintering with silicon wafer of the prior art.It is prepared by the glass dust that the present invention is provided
Method is reasonable in design, simple and easy to apply.Electrocondution slurry is made in the glass dust prepared with the present invention can carry when preparing solar cell
For excellent adhesive force and photoelectric transformation efficiency, so as to improve service efficiency and the life-span of solar cell.
Embodiment
With reference to embodiment, the embodiment to the present invention is further described.Following examples are only used for more
Plus technical scheme is clearly demonstrated, and can not be limited the scope of the invention with this.
Embodiment 1
A kind of preparation method of lead-free glass powder used for solar batteries, comprises the following steps：
(1) by 18%~24%SiO2, 3%~7%TiO2, 28%~36%Bi2O3, 1%~4%Al2O3, 2%~6%
ZnO, 26%~34%B2O3, 1%~3%Sb2O3, 1%~3%Nb2O3Weigh and be ready to respectively in proportion；
(2) above-mentioned glass dust raw material is placed in crucible and be mixed evenly at normal temperatures；
(3) crucible for carrying glass dust raw material is placed in high-temperature smelting pot and is heated to 1100 DEG C, continue 1h, be smelted into
Even glass metal；
(4) above-mentioned glass metal is subjected to water quenching with deionized water, forms the irregular broken thin slice of glass；
(5) the broken thin slice of above-mentioned glass is placed in ball mill and crushed, continue 6h, rotating speed is set to 250r/min；
(6) the good glass dust of above-mentioned ball milling is sieved, sieve mesh number is 200~250 mesh；
(7) glass dust after above-mentioned sieving is placed in dryer and dried, continue 3h, temperature setting is 55 DEG C, and institute is made
State lead-free glass powder used for solar batteries.
Embodiment 2
(1) by 18%~24%SiO2, 3%~7%TiO2, 28%~36%Bi2O3, 1%~4%Al2O3, 2%~6%
ZnO, 26%~34%B2O3, 1%~3%Sb2O3, 1%~3%Nb2O3Weigh and be ready to respectively in proportion；
(2) above-mentioned glass dust raw material is placed in crucible and be mixed evenly at normal temperatures；
(3) crucible for carrying glass dust raw material is placed in high-temperature smelting pot and is heated to 1300 DEG C, continue 2h, be smelted into
Even glass metal；
(4) above-mentioned glass metal is subjected to water quenching with deionized water, forms the irregular broken thin slice of glass；
(5) the broken thin slice of above-mentioned glass is placed in ball mill and crushed, continue 8h, rotating speed is set to 350r/min；
(6) the good glass dust of above-mentioned ball milling is sieved, sieve mesh number is 200~250 mesh；
(7) glass dust after above-mentioned sieving is placed in dryer and dried, continue 5h, temperature setting is 65 DEG C, and institute is made
State lead-free glass powder used for solar batteries.
Embodiment 3
(1) by 18%~24%SiO2, 3%~7%TiO2, 28%~36%Bi2O3, 1%~4%Al2O3, 2%~6%
ZnO, 26%~34%B2O3, 1%~3%Sb2O3, 1%~3%Nb2O3Weigh and be ready to respectively in proportion；
(2) above-mentioned glass dust raw material is placed in crucible and be mixed evenly at normal temperatures；
(3) crucible for carrying glass dust raw material is placed in high-temperature smelting pot and is heated to 1200 DEG C, continued 1.5h, be smelted into
Uniform glass metal；
(4) above-mentioned glass metal is subjected to water quenching with deionized water, forms the irregular broken thin slice of glass；
(5) the broken thin slice of above-mentioned glass is placed in ball mill and crushed, continue 7h, rotating speed is set to 300r/min；
(6) the good glass dust of above-mentioned ball milling is sieved, sieve mesh number is 200~250 mesh；
(7) glass dust after above-mentioned sieving is placed in dryer and dried, continue 4h, temperature setting is 60 DEG C, and institute is made
State lead-free glass powder used for solar batteries.
Embodiment 4
(1) by 18%~24%SiO2, 3%~7%TiO2, 28%~36%Bi2O3, 1%~4%Al2O3, 2%~6%
ZnO, 26%~34%B2O3, 1%~3%Sb2O3, 1%~3%Nb2O3Weigh and be ready to respectively in proportion；
(2) above-mentioned glass dust raw material is placed in crucible and be mixed evenly at normal temperatures；
(3) crucible for carrying glass dust raw material is placed in high-temperature smelting pot and is heated to 1200 DEG C, continue 2h, be smelted into
Even glass metal；
(4) above-mentioned glass metal is subjected to water quenching with deionized water, forms the irregular broken thin slice of glass；
(5) the broken thin slice of above-mentioned glass is placed in ball mill and crushed, continue 6h, rotating speed is set to 300r/min；
(6) the good glass dust of above-mentioned ball milling is sieved, sieve mesh number is 200~250 mesh；
(7) glass dust after above-mentioned sieving is placed in dryer and dried, continue 5h, temperature setting is 60 DEG C, and institute is made
State lead-free glass powder used for solar batteries.
Embodiment 1-4 glass dust raw material component ratio is specifically as shown in table 1.
The glass dust raw material component ratio (wt%) of table 1
Test case 1
Performance test is carried out to lead-free glass powder used for solar batteries made from embodiment 1-4, as a result as shown in table 2.
The glass dust performance test of table 2
Test case 2
Lead-free glass powder used for solar batteries made from embodiment 1-4 and silver powder and related auxiliaries are mixed and made into conductive silver
Slurry, the conductive silver paste is printed on 156mm*156mm substrate silicon wafer with the mode of silk-screen printing respectively, drying sintering
Detected after processing, as a result as shown in table 3.
Cell piece performance test prepared by the conductive silver paste of table 3
Claims (5)
1. a kind of lead-free glass powder used for solar batteries, it is characterised in that be made up of the raw material of following percentage by weight：18%~
24%SiO2, 3%~7%TiO2, 28%~36%Bi2O3, 1%~4%Al2O3, 2%~6%ZnO, 26%~34%B2O3,
1%~3%Sb2O3, 1%~3%Nb2O3, each component percetage by weight sum is 100%.
2. a kind of lead-free glass powder used for solar batteries according to claim 1, it is characterised in that by following weight percent
The raw material of ratio is constituted：20%~22%SiO2, 4%~6%TiO2, 32%~34%Bi2O3, 2%~3%Al2O3, 4%~5%
ZnO, 30%~31%B2O3, 1%~2%Sb2O3, 1%~2%Nb2O3, each component percetage by weight sum is 100%.
3. a kind of lead-free glass powder used for solar batteries according to claim 1, it is characterised in that by following weight percent
The raw material of ratio is constituted：20%SiO2, 6%TiO2, 34%Bi2O3, 2%Al2O3, 4%ZnO, 30%B2O3, 2%Sb2O3, 2%
Nb2O3, each component percetage by weight sum is 100%.
4. a kind of preparation method of lead-free glass powder used for solar batteries described in any one of claims 1 to 3, including following step
Suddenly：
Step 1) each component glass dust raw material is weighed respectively in proportion be ready to；
Step 2) by step 1) glass dust raw material is placed in crucible and is mixed evenly at normal temperatures；
Step 3) by step 2) crucible for carrying glass dust raw material is placed in high-temperature smelting pot and is heated to 1100 DEG C -1300
DEG C, continue 1~2h, be smelted into uniform glass metal；
Step 4) by step 3) glass metal carries out water quenching with deionized water, forms the irregular broken thin slice of glass；
Step 5) by step 4) the broken thin slice of glass is placed in ball mill and crushes, and continues 6~8h, rotating speed is set to 250r/min
~350r/min；
Step 6) by step 5) the good glass dust of the ball milling sieves, sieve mesh number is 200~250 mesh；
Step 7) by step 6) glass dust after the sieving is placed in dryer and dries, and continues 3~5h, temperature setting is 55~
65 DEG C, the lead-free glass powder used for solar batteries is made.
5. a kind of preparation method of lead-free glass powder used for solar batteries according to claim 4, it is characterised in that step
3) heating-up temperature of the high-temperature smelting pot is 1200 DEG C, step 5) rotating speed of the ball mill is set to 300r/min, step 7)
The drying temperature of the dryer is 60 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710350977.XA CN107117824A (en) | 2017-05-18 | 2017-05-18 | A kind of lead-free glass powder used for solar batteries and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710350977.XA CN107117824A (en) | 2017-05-18 | 2017-05-18 | A kind of lead-free glass powder used for solar batteries and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107117824A true CN107117824A (en) | 2017-09-01 |
Family
ID=59728391
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| CN106007389A (en) * | 2016-05-13 | 2016-10-12 | 浙江光达电子科技有限公司 | Glass powder for crystalline silicon solar cell front-side silver pulp and preparation method thereof |
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Application publication date: 20170901 |