CN109378107A - The preparation method of solar battery anode silver paste - Google Patents
The preparation method of solar battery anode silver paste Download PDFInfo
- Publication number
- CN109378107A CN109378107A CN201811290774.7A CN201811290774A CN109378107A CN 109378107 A CN109378107 A CN 109378107A CN 201811290774 A CN201811290774 A CN 201811290774A CN 109378107 A CN109378107 A CN 109378107A
- Authority
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- China
- Prior art keywords
- slurry
- silver paste
- solar battery
- battery anode
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 46
- 239000004332 silver Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000002002 slurry Substances 0.000 claims abstract description 60
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000011049 filling Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 239000005308 flint glass Substances 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000005355 lead glass Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000009955 starching Methods 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
- H01B1/14—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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Inorganic Chemistry (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses a kind of preparation methods of solar battery anode silver paste, include the following steps: the step of S1 forms slurry for mixed raw material；S2 is used for the step of carrying out decentralized processing to slurry；S3 is for the step of being ground to slurry；S4 is for the step of being filtered processing to slurry；S5 is for the step of detecting to slurry；S6 is for carrying out filling step to slurry.The preparation method of solar battery anode silver paste provided by the present invention, compared with external monopoly enterprise, silver paste cost is greatly reduced, simultaneously using the preparation method solar battery anode silver paste produced of solar battery anode silver paste provided by the present invention, slurry uniform and smooth, sintered conductive material thickness is uniform, and electric conductivity is good, can be widely popularized and originate in the manufacture of domestic solar battery.
Description
Technical field
The present invention relates to electronic technology and technical field of semiconductors more particularly to a kind of preparation methods of solar energy silver paste.
Background technique
With signaling for help repeatedly for the traditional fuels energy such as coal, petroleum, natural gas, the use of non-renewable energy resources is to environment
Caused by endanger and increasingly sharpen, energy problem's serious restriction human industry and expanding economy.The relevant production of new energy
The development that just with rapid changepl. never-ending changes and improvements pair of industry, wherein solar battery plays in terms of energy-saving and emission-reduction as a kind of important new energy battery
Important role.Solar battery is also known as " solar chip " or " photocell ", is a kind of utilization sunlight direct generation of electricity
Optoelectronic semiconductor thin slice.As long as the illumination that it is satisfied certain illumination conditions is arrived, moment output voltage and can have circuit
In the case where generate electric current.The basic principle of solar battery is to work as solar irradiation in semiconductor P-N junction, forms new sky
Cave-electronics pair, under the action of P-N junction knot built in field, photohole flows to the area P, and light induced electron flows to the area N, connects circuit
Electric current is just generated afterwards.Solar battery anode silver paste is applied to front electrode, the polycrystalline silicon solar of monocrystaline silicon solar cell
Solar battery anode silver paste is printed on silicon wafer by the front electrode of battery, by sintering, is formed with silicon wafer P-N junction both ends
The conductive material of close Ohmic contact, effect are to draw electronics, form electric current, during being solar battery sheet photovoltaic conversion
Indispensable part.At present there is the defects of slurry sophistication is poor, and slurry is uneven more in solar battery anode silver paste, cause
Sintered conductive material uneven thickness, the affected defect of electric conductivity.
Summary of the invention
The object of the present invention is to provide a kind of preparation methods of solar battery anode silver paste.
The preparation method of solar battery anode silver paste provided by the present invention includes the following steps: S1 for mixing original
Material forms the step of slurry；S2 is used for the step of carrying out decentralized processing to slurry；What S3 was used to be ground slurry
Step；S4 is for the step of being filtered processing to slurry；S5 is for the step of detecting to slurry；S6 be used for slurry into
The filling step of row.
The preparation method of solar battery anode silver paste provided by the present invention, the S1 form slurry for mixed raw material
The step of material are as follows: proportion mixing: silver powder 75~85% is carried out for comparing raw material according to following components and weight percent, it is leaded
Glass powder 3~5%, solvent 5~10%, resin 1~5%, inorganic additive 1~5%, surfactant 2~8%.The S2
For the step of carrying out decentralized processing to slurry are as follows: in the slurry pipeline for Ultrasound Instrument that slurry turns into the line, start pipe ultrasonic
Instrument 5 minutes, make slurry in slurry pipeline by ultrasonic disperse.The S3 is adopted for the step of being ground to slurry
Roller processing was carried out to slurry with three-roller.The S4 is filtered for the step of being filtered processing to slurry using in silver paste
Silver paste is filtered from the technique that filter screen top pumping is depressed into filter screen lower part by processing by negative pressure in machine.The S5 for pair
The step of the step of slurry is detected includes: for detecting to silver paste electric conductivity；For to silver paste microscopic appearance into
The step of row detection；For the step of being detected to silver paste viscosity.
The preparation method of solar battery anode silver paste provided by the present invention, compared with external monopoly enterprise, silver paste at
Originally it is greatly reduced, while using the preparation method solar-electricity produced of solar battery anode silver paste provided by the present invention
Pond anode silver paste, slurry uniform and smooth, sintered conductive material thickness is uniform, and electric conductivity is good, can be widely popularized in the country
Solar battery manufacture is originated in.
Detailed description of the invention
Fig. 1 is the step schematic diagram of the preparation method of solar battery anode silver paste provided by the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, including the following steps: the present embodiment provides a kind of preparation method of solar battery anode silver paste
The step of S1 forms slurry for mixed raw material；
S2 is used for the step of carrying out decentralized processing to slurry；
S3 is for the step of being ground to slurry；
S4 is for the step of being filtered processing to slurry；
S5 is for the step of detecting to slurry；
S6 is for carrying out filling step to slurry.
The preparation method of solar battery anode silver paste provided by the present embodiment, the S1 are formed for mixed raw material
The step of slurry are as follows: carry out proportion mixing for comparing raw material according to following components and weight percent: silver powder 75~85% contains
Lead glass powder 3~5%, solvent 5~10%, resin 1~5%, inorganic additive 1~5%, surfactant 2~8%；
The preparation method of solar battery anode silver paste provided by the present embodiment, the S2 is for dispersing slurry
The step of processing are as follows: in the slurry pipeline for Ultrasound Instrument that slurry turns into the line, start pipe ultrasonic instrument 5 minutes, starching slurry
By ultrasonic disperse in pipe material.It will be understood by those skilled in the art that pipe ultrasonic instrument can simultaneously to the slurry in pipeline into
Row decentralized processing, ultrasonic effect is good, and rate of dispersion is fast, can reach preferable dispersion effect within 5 minutes, and slurry is more uniform, by
The electrode surface of this production is more smooth.
The preparation method of solar battery anode silver paste provided by the present embodiment, the S3 is for grinding slurry
The step of processing, carried out roller processing to slurry using three-roller.It will be understood by those skilled in the art that crossing roller processing can will starch
Particle in material carries out grinding fracture, so that slurry is further fine and smooth uniform.
The preparation method of solar battery anode silver paste provided by the present embodiment, the S4 is for being filtered slurry
Silver paste is taken out the technique for being depressed into filter screen lower part using negative pressure is passed through in silver paste filter by the step of processing from filter screen top
It is filtered processing.
The preparation method of solar battery anode silver paste provided by the present embodiment, the S5 is for detecting slurry
The step of include:
For the step of being detected to silver paste electric conductivity；
For the step of being detected to silver paste microscopic appearance；
For the step of being detected to silver paste viscosity.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (6)
1. a kind of preparation method of solar battery anode silver paste, which comprises the steps of:
The step of S1 forms slurry for mixed raw material；
S2 is used for the step of carrying out decentralized processing to slurry；
S3 is for the step of being ground to slurry；
S4 is for the step of being filtered processing to slurry；
S5 is for the step of detecting to slurry；
S6 is for carrying out filling step to slurry.
2. the preparation method of solar battery anode silver paste as described in claim 1, which is characterized in that the S1 is for mixing
Raw material form the step of slurry are as follows: carry out proportion mixing: silver powder for comparing raw material according to following components and weight percent
75~85%, flint glass powder 3~5%, solvent 5~10%, resin 1~5%, inorganic additive 1~5%, surfactant 2
~8%.
3. the preparation method of solar battery anode silver paste as described in claim 1, which is characterized in that the S2 is used for slurry
Material carries out the step of decentralized processing are as follows: in the slurry pipeline for Ultrasound Instrument that slurry turns into the line, starts pipe ultrasonic instrument 5 minutes,
Make slurry in slurry pipeline by ultrasonic disperse.
4. the preparation method of solar battery anode silver paste as described in claim 1, which is characterized in that the S3 is used for slurry
The step of material is ground carried out roller processing to slurry using three-roller.
5. the preparation method of solar battery anode silver paste as described in claim 1, which is characterized in that the S4 is used for slurry
Silver paste is depressed into filter screen from filter screen top pumping using negative pressure is passed through in silver paste filter by the step of material is filtered processing
The technique of lower part is filtered processing.
6. the preparation method of solar battery anode silver paste as described in claim 1, which is characterized in that the S5 is used for slurry
Expect that the step of being detected includes:
For the step of being detected to silver paste electric conductivity；
For the step of being detected to silver paste microscopic appearance；
For the step of being detected to silver paste viscosity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811290774.7A CN109378107A (en) | 2018-11-01 | 2018-11-01 | The preparation method of solar battery anode silver paste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811290774.7A CN109378107A (en) | 2018-11-01 | 2018-11-01 | The preparation method of solar battery anode silver paste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109378107A true CN109378107A (en) | 2019-02-22 |
Family
ID=65391782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811290774.7A Pending CN109378107A (en) | 2018-11-01 | 2018-11-01 | The preparation method of solar battery anode silver paste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109378107A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586003A (en) * | 2019-07-30 | 2019-12-20 | 上海匡宇科技股份有限公司 | Composite microsphere and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592706A (en) * | 2012-03-16 | 2012-07-18 | 上海交通大学 | Solar cell anode silver paste and preparation method thereof |
| CN104658699A (en) * | 2014-12-11 | 2015-05-27 | 何源 | Preparation method of superfine silver paste for solar cell anode paste |
-
2018
- 2018-11-01 CN CN201811290774.7A patent/CN109378107A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592706A (en) * | 2012-03-16 | 2012-07-18 | 上海交通大学 | Solar cell anode silver paste and preparation method thereof |
| CN104658699A (en) * | 2014-12-11 | 2015-05-27 | 何源 | Preparation method of superfine silver paste for solar cell anode paste |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586003A (en) * | 2019-07-30 | 2019-12-20 | 上海匡宇科技股份有限公司 | Composite microsphere and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190222 |