CN106205767A - Solar battery sheet conductive silver paste and preparation method thereof - Google Patents
Solar battery sheet conductive silver paste and preparation method thereof Download PDFInfo
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- CN106205767A CN106205767A CN201610813094.3A CN201610813094A CN106205767A CN 106205767 A CN106205767 A CN 106205767A CN 201610813094 A CN201610813094 A CN 201610813094A CN 106205767 A CN106205767 A CN 106205767A
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 38
- 239000011347 resin Substances 0.000 claims abstract description 33
- 229920005989 resin Polymers 0.000 claims abstract description 33
- 238000003756 stirring Methods 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 239000000654 additive Substances 0.000 claims abstract description 19
- 230000000996 additive effect Effects 0.000 claims abstract description 19
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims description 16
- -1 polyethylene pyrrole Polymers 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 13
- 239000001856 Ethyl cellulose Substances 0.000 claims description 10
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 10
- 229920001249 ethyl cellulose Polymers 0.000 claims description 10
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 10
- 229940008099 dimethicone Drugs 0.000 claims description 9
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 9
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 9
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 9
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims description 8
- RWLALWYNXFYRGW-UHFFFAOYSA-N 2-Ethyl-1,3-hexanediol Chemical compound CCCC(O)C(CC)CO RWLALWYNXFYRGW-UHFFFAOYSA-N 0.000 claims description 8
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 claims description 8
- 229960005082 etohexadiol Drugs 0.000 claims description 8
- 240000000972 Agathis dammara Species 0.000 claims description 7
- 229920002871 Dammar gum Polymers 0.000 claims description 7
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 150000001463 antimony compounds Chemical class 0.000 claims description 6
- 229910052797 bismuth Inorganic materials 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 5
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 3
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- 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 description 3
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 125000002524 organometallic group Chemical group 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 150000003505 terpenes Chemical class 0.000 claims description 3
- 235000007586 terpenes Nutrition 0.000 claims description 3
- 229920006230 thermoplastic polyester resin Polymers 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- 241000196324 Embryophyta Species 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 229920002545 silicone oil Polymers 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 4
- 229910052709 silver Inorganic materials 0.000 abstract description 2
- 239000004332 silver Substances 0.000 abstract description 2
- 238000003672 processing method Methods 0.000 abstract 1
- 229920000178 Acrylic resin Polymers 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- WWXUGNUFCNYMFK-UHFFFAOYSA-N Acetyl citrate Chemical compound CC(=O)OC(=O)CC(O)(C(O)=O)CC(O)=O WWXUGNUFCNYMFK-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 235000019198 oils Nutrition 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical group CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- 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
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
-
- 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
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
-
- 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
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- 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
- H01L31/022441—Electrode arrangements specially adapted for back-contact 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Conductive Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The present invention relates to the technical field of silver slurry, particularly relate to a kind of solar battery sheet conductive silver paste and preparation method thereof.Solar battery sheet conductive silver paste includes following component argentum powder, resin, solvent, additive, auxiliary agent and organic metal.Its processing method is: the first step, prepares organic carrier: resin and solvent are put in proportion in stirred tank, and the stirring some time obtains organic carrier, and whipping temp is 70～90 DEG C；Second step, stirs the organic carrier prepared in agitator with ball shape silver powder, solvent, additive, auxiliary agent, organic metal and mixes 40min, prepare uniform mush；3rd step, puts into the mush for preparing in agitator and stirs 1 hour after rolling 8 times on three-roll grinder；4th step, puts into 500 mesh filter inner filtrations by the object in the 3rd step, completes to make.
Description
Technical field
The present invention relates to a kind of silver slurry, particularly relate to a kind of solar battery sheet conductive silver paste and preparation method thereof.
Background technology
Solaode be known to the device for solar radiation being directly translated into electric energy, be that a kind of cleaning is without dirty
The green energy resource of dye.Efficiency is the key property of solaode, because it is the most relevant with solar electrical energy generation ability.Equally,
The efficiency preparing solaode is the most relevant with the cost-benefit of this type of solaode, therefore, improves solaode effect
The technology of rate is universal required.Cell piece front side conductive silver slurry serves collected current and the effect of conduction electric current, is battery
Ingredient important in chip architecture.
Summary of the invention
Present invention seek to address that drawbacks described above, it is provided that a kind of solar battery sheet conductive silver paste.
In order to overcome defect present in background technology, the technical solution adopted for the present invention to solve the technical problems is:
This solar battery sheet conductive silver paste includes following component, and the weight/mass percentage composition of each component is as follows:
Argentum powder 88-89%
Resin 0.2-0.4%
Solvent 7-11%
Additive 2-3%
Auxiliary agent 0.5-0.8%
Organic metal 0.1-0.5%.
Described argentum powder is ball shape silver powder, and the particle diameter of ball shape silver powder is 2～3 μm, and tap density is 6.0g/ml, ball shape silver powder
It is uniformly dispersed, hard aggregation-free phenomenon.
Organic metal is isooctyl acid bismuth, antimony compound of binary alcohol or metatitanic acid ethohexadiol fat, and organic metal is liquid condition, is a kind of
Organic metal or two kinds of organometallic mixing liquid.
Described resin is selected from thermoplastic polyester resin, acrylate, ethyl cellulose, hydroxyethyl cellulose, polyethylene
A kind of in pyrrole network alkanone, the dilute resin of terpene, gum dammar or the mixture of at least one.
Described solvent is selected from butyl carbitol, butyl carbitol acetas, alcohol ester, dimethicone, acetyl citrate
A kind of in tributyl, tridecanol, phthalic acid dimethyl ester or the mixture of at least one.
Described additive is the Al in inorganic powder2O3、TeO、Sb2O3、SiO2、Li2One in O, ZnO or at least one
Mixture.
Described auxiliary agent one in BYK-066, amido silicon oil, dimethicone, stearic acid, polyphenyl silsesquioxane
Or the mixture of at least one.
The preparation method of solar battery sheet conductive silver paste, comprises the steps:
The first step, prepares organic carrier: resin and solvent are put in proportion in stirred tank, and the acquisition of stirring some time has airborne
Body, whipping temp is 70～90 DEG C；
Second step, stirs the organic carrier prepared with ball shape silver powder, solvent, additive, auxiliary agent, organic metal in agitator
Mix mixing 40min, prepare uniform mush；
3rd step, puts into the mush for preparing in agitator and stirs 1 hour after rolling 8 times on three-roll grinder；
4th step, puts into 500 mesh filter inner filtrations by the object in the 3rd step, completes to make.
The invention has the beneficial effects as follows: this solar battery sheet conductive silver paste and preparation method thereof makes full use of difference to be had
Machine metal matches with ball shape silver powder and glass dust, by with resin, solvent, additive and auxiliary agent be blended after, low temperature burn
Under conditions of knot, temperature is less than or equal to 810 DEG C, and slurry can obtain higher electrical conductivity.Slurry has good printing simultaneously
Printability and good adhesion property.
Detailed description of the invention
This solar battery sheet conductive silver paste includes following component, and the weight/mass percentage composition of each component is as follows:
Argentum powder 88-89%
Resin 0.2-0.4%
Solvent 7-11%
Additive 2-3%
Auxiliary agent 0.5-0.8%
Organic metal 0.1-0.5%.
Argentum powder is ball shape silver powder, and the particle diameter of ball shape silver powder is 2～3 μm, and tap density is 6.0g/ml, and ball shape silver powder disperses
Uniformly, hard aggregation-free phenomenon.
Organic metal is isooctyl acid bismuth, antimony compound of binary alcohol, metatitanic acid ethohexadiol fat, and organic metal is liquid condition, is that one has
Machine metal or multiple organometallic mixing liquid.
Resin is selected from thermoplastic polyester resin, acrylate, ethyl cellulose, hydroxyethyl cellulose, polyethylene pyrrole network
The mixture of one or more in the dilute resin of alkanone, terpene, gum dammar.
Solvent is selected from butyl carbitol, butyl carbitol acetas, alcohol ester, dimethicone, acetyl citrate three fourth
The mixture of one or more in ester, tridecanol, phthalic acid dimethyl ester.
Additive is the Al in inorganic powder2O3、TeO、Sb2O3、SiO2、Li2The mixing of one or more in O, ZnO
Thing.
Auxiliary agent one in BYK-066, amido silicon oil, dimethicone, stearic acid, the polyphenyl silsesquioxane or extremely
Few a kind of mixture.
The preparation method of solar battery sheet conductive silver paste, comprises the steps:
The first step, prepares organic carrier: resin and solvent are put in proportion in stirred tank, and stirring acquisition in 12 hours has airborne
Body, whipping temp is 70～90 DEG C；
Second step, stirs the organic carrier prepared with ball shape silver powder, solvent, additive, auxiliary agent, organic metal in agitator
Mix mixing 40min, prepare uniform mush；
3rd step, puts into the mush for preparing in agitator and stirs 1 hour after rolling 8 times on three-roll grinder；
4th step, puts into 500 mesh filter inner filtrations by the object in the 3rd step, completes to make.
Example one
A kind of solar battery sheet conductive silver paste and preparation method thereof, including:
The first step, prepares organic carrier: choose resin 0.3% and solvent 8.5%, and resin is ethyl cellulose and acrylic resin,
Solvent is butyl carbitol acetate and tridecanol, resin and solvent is put in proportion in stirred tank, stirs acquisition in 12 hours
Organic carrier, whipping temp is 70～90 DEG C；
Second step, organic carrier and ball shape silver powder 88%, solvent 8.5%, additive 2%, auxiliary agent 0.5%, the You Jijin that will prepare
Belonging to 0.2% and stir mixing 40min in agitator, prepare uniform mush, organic metal is metatitanic acid ethohexadiol fat；
3rd step, puts into the mush for preparing in agitator and stirs 1 hour after rolling 8 times on three-roll grinder；
4th step, puts into 500 mesh filter inner filtrations by the object in the 3rd step, completes to make.
Example two
A kind of solar battery sheet conductive silver paste and preparation method thereof, including:
The first step, prepares organic carrier: choose resin 0.3% and solvent 8.5%, and resin is ethyl cellulose and acrylic resin,
Solvent is alcohol ester, dimethicone, citroflex A-4, resin and solvent is put in proportion in stirred tank, stirring
Within 12 hours, obtaining organic carrier, whipping temp is 70～90 DEG C；
Second step, by the organic carrier and the ball shape silver powder 88% that prepare, solvent 8.5%, additive 2.2%, auxiliary agent 0.5%, organic
Metal 0.3% stirs mixing 40min in agitator, prepares uniform mush, and organic metal is antimony compound of binary alcohol；
3rd step, puts into the mush for preparing in agitator and stirs 1 hour after rolling 8 times on three-roll grinder；
4th step, puts into 500 mesh filter inner filtrations by the object in the 3rd step, completes to make.
Example three
A kind of solar battery sheet conductive silver paste and preparation method thereof, including:
The first step, prepares organic carrier: choose resin 0.3% and solvent 8.5%, and resin is ethyl cellulose and acrylic resin,
Solvent is tridecanol, phthalic acid dimethyl ester, resin and solvent is put in proportion in stirred tank, and stirring 12 hours to obtain has
Airborne body, whipping temp is 70～90 DEG C；
Second step, organic carrier and ball shape silver powder 88%, solvent 8.5%, additive 3%, auxiliary agent 0.6%, the You Jijin that will prepare
Belong to 0.5% in agitator stirring mixing 40min, prepare uniform mush, organic metal is metatitanic acid ethohexadiol fat and different pungent
Acid bismuth；
3rd step, puts into the mush for preparing in agitator and stirs 1 hour after rolling 8 times on three-roll grinder；
4th step, puts into 500 mesh filter inner filtrations by the object in the 3rd step, completes to make.
Example four
A kind of solar battery sheet conductive silver paste and preparation method thereof, including:
The first step, prepares organic carrier: choose resin 0.3% and solvent 8.0%, and resin is ethyl cellulose and gum dammar, molten
Agent is dimethicone, citroflex A-4, tridecanol, resin and solvent is put in proportion in stirred tank, stirring
Within 12 hours, obtaining organic carrier, whipping temp is 70～90 DEG C；
Second step, by the organic carrier and the ball shape silver powder 88.5% that prepare, solvent 8.0%, additive 3%, auxiliary agent 0.7%, organic
Metal 0.4% stirs mixing 40min in agitator, prepares uniform mush, and organic metal is metatitanic acid ethohexadiol fat；
3rd step, puts into the mush for preparing in agitator and stirs 1 hour after rolling 8 times on three-roll grinder；
4th step, puts into 500 mesh filter inner filtrations by the object in the 3rd step, completes to make.
Example five
A kind of solar battery sheet conductive silver paste and preparation method thereof, including:
The first step, prepares organic carrier: choose resin 0.3% and solvent 8.0%, and resin is ethyl cellulose and gum dammar, molten
Agent is butyl carbitol, butyl carbitol acetas, alcohol ester, resin and solvent is put in proportion in stirred tank, and stirring 12 is little
Time obtain organic carrier, whipping temp is 70～90 DEG C；
Second step, by the organic carrier prepared and ball shape silver powder 88.5%, solvent 8.0%, additive 2. 5%, auxiliary agent 0.8%, has
Machine metal 0.5% stirs mixing 40min in agitator, prepares uniform mush, and organic metal is antimony compound of binary alcohol；
3rd step, puts into the mush for preparing in agitator and stirs 1 hour after rolling 8 times on three-roll grinder；
4th step, puts into 500 mesh filter inner filtrations by the object in the 3rd step, completes to make.
Example six
A kind of solar battery sheet conductive silver paste and preparation method thereof, including:
The first step, prepares organic carrier: choose resin 0.3% and solvent 8.0%, and resin is ethyl cellulose and gum dammar, molten
Agent is alcohol ester, dimethicone, resin and solvent is put in proportion in stirred tank, stirs 12 hours and obtains organic carrier, stirs
Mixing temperature is 70～90 DEG C；
Second step, by the organic carrier and the ball shape silver powder 88.5% that prepare, solvent 8.0%, additive 2%, auxiliary agent 0.75%, organic
Metal 0.3% stirs mixing 40min in agitator, prepares uniform mush, and organic metal is metatitanic acid ethohexadiol fat and different
Bismuth Octoate；
3rd step, puts into the mush for preparing in agitator and stirs 1 hour after rolling 8 times on three-roll grinder；
4th step, puts into 500 mesh filter inner filtrations by the object in the 3rd step, completes to make.
Attached embodiment form:
| Component | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
| Argentum powder | 88% | 88% | 88% | 88.5% | 88.5% | 88.5% |
| Ethyl cellulose | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% |
| Acrylic resin | 0.1% | 0.1% | 0.1% | |||
| Gum dammar | 0.1% | 0.1% | 0.1% | |||
| Solvent | 8.5% | 8.5% | 8.5% | 8.0% | 8.0% | 8.0% |
| Additive | 2.0% | 2.2% | 3.0% | 3.0% | 2.5% | 2.0% |
| Auxiliary agent | 0.5% | 0.5% | 0.6% | 0.7% | 0.8% | 0.75% |
| Metatitanic acid ethohexadiol fat | 0.2% | 0.2% | 0.4% | 0.1% | ||
| Antimony compound of binary alcohol | 0.3% | 0.5% | ||||
| Isooctyl acid bismuth | 0.3% | 0.2% |
The above is embodiments of the invention, therefore all is done according to structure, feature and the principle described in the present patent application scope
Equivalence change or modification, in the range of being all included in present patent application.
Claims (4)
1. a solar battery sheet conductive silver paste, it is characterised in that including following component, the weight/mass percentage composition of each component is such as
Under:
Argentum powder 88-89%
Resin 0.2-0.4%
Solvent 7-11%
Additive 2-3%
Auxiliary agent 0.5-0.8%
Organic metal 0.1-0.5%；
Described resin is selected from thermoplastic polyester resin, acrylate, ethyl cellulose, hydroxyethyl cellulose, polyethylene pyrrole network
A kind of in the dilute resin of alkanone, terpene, gum dammar or the mixture of at least one；
Described solvent select butyl carbitol, butyl carbitol acetas, alcohol ester, dimethicone, citroflex A-4,
A kind of in tridecanol, phthalic acid dimethyl ester or the mixture of at least one；
Described additive is the Al in inorganic powder2O3、TeO、Sb2O3、SiO2、Li2A kind of in O, ZnO or at least one is mixed
Compound.
2. solar battery sheet conductive silver paste as claimed in claim 1, it is characterised in that described argentum powder is ball shape silver powder, ball
The particle diameter of shape argentum powder is 2～3 μm, and tap density is 6.0g/ml, and ball shape silver powder is uniformly dispersed, hard aggregation-free phenomenon；Described organic
Metal is isooctyl acid bismuth, antimony compound of binary alcohol or metatitanic acid ethohexadiol fat, and organic metal is liquid condition, is a kind of organic metal or two
Plant organometallic mixing liquid.
3. solar battery sheet conductive silver paste as claimed in claim 2, it is characterised in that described auxiliary agent is selected from BYK-066, ammonia
A kind of in base silicone oil, dimethicone, stearic acid, polyphenyl silsesquioxane or the mixture of at least one.
4. the preparation method of solar battery sheet conductive silver paste as claimed in claim 1, it is characterised in that include walking as follows
Rapid:
The first step, prepares organic carrier: resin and solvent are put in proportion in stirred tank, and stirring acquisition in 12 hours has airborne
Body, whipping temp is 70～90 DEG C；
Second step, stirs the organic carrier prepared with ball shape silver powder, solvent, additive, auxiliary agent, organic metal in agitator
Mix mixing 40min, prepare uniform mush；
3rd step, puts into the mush for preparing in agitator and stirs 1 hour after rolling 8 times on three-roll grinder；
4th step, puts into 500 mesh filter inner filtrations by the object in the 3rd step, completes to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610813094.3A CN106205767B (en) | 2016-09-09 | 2016-09-09 | Solar battery sheet conductive silver paste and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN106251936A (en) * | 2016-09-27 | 2016-12-21 | 北京市合众创能光电技术有限公司 | High conductivity silver slurry and preparation method thereof |
| CN112242211A (en) * | 2019-07-18 | 2021-01-19 | 常州烯源纳米科技有限公司 | Polymer conductive and heat-conducting film slurry of graphene |
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| CN103258584A (en) * | 2013-01-09 | 2013-08-21 | 深圳市创智材料科技有限公司 | Electric conductive silver paste and manufacturing method thereof |
| CN104157328A (en) * | 2014-08-26 | 2014-11-19 | 天津顺御科技有限公司 | Silicon solar cell front face electrode silver paste and preparing method thereof |
| CN104751937A (en) * | 2013-12-27 | 2015-07-01 | 比亚迪股份有限公司 | Aluminum conductive paste for solar cell and preparation method thereof |
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| US20110146776A1 (en) * | 2009-12-18 | 2011-06-23 | E.I. Du Pont De Nemours And Company | Glass compositions used in conductors for photovoltaic cells |
| CN103258584A (en) * | 2013-01-09 | 2013-08-21 | 深圳市创智材料科技有限公司 | Electric conductive silver paste and manufacturing method thereof |
| CN104751937A (en) * | 2013-12-27 | 2015-07-01 | 比亚迪股份有限公司 | Aluminum conductive paste for solar cell and preparation method thereof |
| CN104157328A (en) * | 2014-08-26 | 2014-11-19 | 天津顺御科技有限公司 | Silicon solar cell front face electrode silver paste and preparing method thereof |
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| CN106251936A (en) * | 2016-09-27 | 2016-12-21 | 北京市合众创能光电技术有限公司 | High conductivity silver slurry and preparation method thereof |
| CN112242211A (en) * | 2019-07-18 | 2021-01-19 | 常州烯源纳米科技有限公司 | Polymer conductive and heat-conducting film slurry of graphene |
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| CN106205767B (en) | 2019-07-12 |
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