CN110355497A - A kind of New Flux and preparation method thereof - Google Patents
A kind of New Flux and preparation method thereof Download PDFInfo
- Publication number
- CN110355497A CN110355497A CN201810253104.1A CN201810253104A CN110355497A CN 110355497 A CN110355497 A CN 110355497A CN 201810253104 A CN201810253104 A CN 201810253104A CN 110355497 A CN110355497 A CN 110355497A
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- Prior art keywords
- scaling powder
- agent
- added
- film forming
- conductive auxiliary
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/361—Alumina or aluminates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The present invention provides a kind of New Flux, the scaling powder comprises the following raw materials by weight percent: activating agent 0.5-5%, film forming agent 0.1-5%, solvent 85-99%, conductive auxiliary agent 0.1-5%, the preparation method of the scaling powder is to weigh each component by weight percentage, solvent is added in reaction kettle, 40-60 DEG C of heating temperature, activating agent is added, after stirring to activating agent dissolution, film forming agent is added, stirring 60 minutes, to after completely dissolution, by the greenhouse cooling of reaction kettle to room temperature, conductive auxiliary agent is added, is filtered after stirring 30 minutes, is filling.
Description
Technical field
The invention belongs to scaling powder technical fields, and in particular to a kind of New Flux and preparation method thereof.
Background technique
Traditional solar components are that butt welding band plays removal oxide layer with scaling powder, make its welding and welding of battery film
Securely, in addition to this without other function.The photovoltaic scaling powder of resin system is during series welding, in 220 DEG C of high-temperature solderings
In the process, it has a large amount of smog to generate, not only pollutes environment, and it is big by residuals resistance after vaporization at high temperature, this
It will affect the concatenated electric conductivity of cell piece, to influence the generated output of entire component.
Film forming matter in the prior art is mainly resin system because resin have certain insulating properties, poorly conductive,
The conductive nano colloidal sol of good conductivity is added in the technology of the present invention, and under the premise of not reducing welding effect, so that conductive
Effect is more excellent, improves the weldability of cell piece as the film forming agent in formula using Nano silica sol, and Nano silica sol exists
With very dispersed and to the spreadability of welding and itself there is low-down viscosity in formula, compared with prior art formula
In macromolecule copolymer resin it is more excellent as film forming agent welding performance, during the welding process without a large amount of smog generate, subtract
The pollution of room air is lacked and electric conductivity is more preferable, this patented technology has filled up a blank in the field.
Summary of the invention
New Flux of the invention is that and have extraordinary phase by addition nanometer film forming agent and nanometer conductive material
Capacitive is played when to welding of battery film and is improved outside welding function, and has conduction with the residual solids after heating volatilization
Property, so that the generating efficiency of lifting assembly, increases generated output.
The technical solution adopted by the present invention: a kind of New Flux, the scaling powder by following weight percent raw material group
At: activating agent 0.5-5%, film forming agent 0.1-5%, solvent 85-99%, conductive auxiliary agent 0.1-5%.
Preferred scaling powder comprises the following raw materials by weight percent: activating agent 2.5%, film forming agent 0.8%, solvent
96.2%, conductive auxiliary agent 0.5%.
Preferred scaling powder comprises the following raw materials by weight percent: activating agent 1.4%, film forming agent 0.5%, solvent
97.5%, conductive auxiliary agent 0.6%.
Preferred scaling powder comprises the following raw materials by weight percent: activating agent 3%, film forming agent 1%, solvent
95.4%, conductive auxiliary agent 0.6%.
Preferred activating agent of the present invention is by succinic acid, adipic acid, itaconic acid, malonic acid, malic acid, citric acid, certain herbaceous plants with big flowers
One or more of diacid, suberic acid composition.
Preferred film forming agent of the present invention is to be made of the Nano silica sol that partial size is 5-100nm.
Preferred solvent of the present invention by isopropanol, dehydrated alcohol, butyl acetate, propylene glycol monomethyl ether, propandiol butyl ether,
One of propylene glycol methyl ether acetate or a variety of compositions.
Preferred conductive auxiliary agent of the present invention is by nano zine oxide, nano indium oxide, nano-indium stannum oxide, nano oxidized
One of tin, lanthanum hexaboride or a variety of compositions, the partial size of conductive auxiliary agent are 10-100nm.
Scaling powder of the present invention the preparation method comprises the following steps: by weight percentage weigh each component, be added in reaction kettle molten
Agent, is added activating agent and film forming agent is added after stirring to activating agent dissolution, stir 60 minutes, to abundant by 40-60 DEG C of heating temperature
After dissolution, by the greenhouse cooling of reaction kettle to room temperature, conductive auxiliary agent is added, is filtered after stirring 30 minutes, is filling.
Scaling powder of the present invention is preferably applied in photovoltaic solar components welding.
The utility model has the advantages that
1, excellent electric conductivity improves component generating efficiency.
2, halogen-free, it is corrosion-free to battery, increase battery component service life.
3, free of cleaning, improve cell piece series welding efficiency.
Specific embodiment
1 scaling powder of embodiment comprises the following raw materials by weight percent
Preparation method: will by weight percentage, weighing each component is spare, will first weigh up dehydrated alcohol, the propylene glycol of weight
Butyl ether, isopropanol pour into glass reaction kettle, and reaction kettle heating temperature is arranged between 40-60 DEG C, stir 10 minutes, to abundant
It is added after uniformly and weighs up the succinic acid, adipic acid, sebacic acid of weight, stirred 60 minutes, to after completely dissolution, by the temperature of reaction kettle
Degree is cooled to 25 DEG C of room temperature and Nano silica sol and nano zine oxide is added, and stirring is claimed after 30 minutes with 300 mesh filter screens
Weight, packaging.
2. scaling powder of embodiment comprises the following raw materials by weight percent
Preparation method: will by weight percentage, weighing each component is spare, will first weigh up isopropanol, the propylene glycol first of weight
Ether pours into glass reaction kettle, and reaction kettle heating temperature is arranged between 40-60 DEG C, stirs 10 minutes, is added after full and uniform
It weighs up weight, adipic acid, citric acid, itaconic acid, stirs 60 minutes, to after completely dissolution, extremely by the greenhouse cooling of reaction kettle
Simultaneously Nano silica sol and nano tin dioxide is added in 25 DEG C of room temperature, and stirring is weighed with 300 mesh filter screens after 30 minutes, packed.
3. scaling powder of embodiment comprises the following raw materials by weight percent
Preparation method: will by weight percentage, weighing each component is spare, will first weigh up dehydrated alcohol, the propylene glycol of weight
Butyl ether ether pours into glass reaction kettle, and reaction kettle heating temperature is arranged between 40-60 DEG C, stirs 10 minutes, after full and uniform
Addition weighs up weight, succinic acid, suberic acid, stirs 60 minutes, to after completely dissolution, by the greenhouse cooling of reaction kettle to room temperature
25 DEG C and Nano silica sol and nano indium oxide is added, stirring is weighed with 300 mesh filter screens after 30 minutes, packed.
4. scaling powder of embodiment comprises the following raw materials by weight percent
Preparation method: will by weight percentage, weighing each component is spare, will first weigh up dehydrated alcohol, the propylene glycol of weight
Butyl ether ether, propylene glycol methyl ether acetate pour into glass reaction kettle, and reaction kettle heating temperature is arranged between 40-60 DEG C, stirring 10
Minute, it is added after full and uniform and weighs up weight, succinic acid, suberic acid, stirred 60 minutes, to after completely dissolution, react
The greenhouse cooling of kettle is to 25 DEG C of room temperature and Nano silica sol and nano indium oxide is added, with 300 mesh filter screens after stirring 30 minutes
It weighed, packed.
1 scaling powder of comparative example comprises the following raw materials by weight percent
Preparation method: will by weight percentage, weighing each component is spare, will first weigh up dehydrated alcohol, the propylene glycol of weight
Butyl ether ether pours into glass reaction kettle, and reaction kettle heating temperature is arranged between 40-60 DEG C, stirs 10 minutes, after full and uniform
Addition weighs up weight, succinic acid, suberic acid, stirs 60 minutes, to after completely dissolution, by the greenhouse cooling of reaction kettle to room temperature
25 DEG C and Nano silica sol is added, stirring is filtered with 300 mesh filter screens after 30 minutes and 1 scaling powder of this comparative example is made.
Comparative example 2: scaling powder comprises the following raw materials by weight percent
Preparation method: will by weight percentage, weighing each component is spare, will first weigh up isopropanol, the propylene glycol first of weight
Ether pours into glass reaction kettle, and reaction kettle heating temperature is arranged between 40-60 DEG C, stirs 10 minutes, is added after full and uniform
It weighs up weight, adipic acid, citric acid, itaconic acid, stirs 60 minutes, to after completely dissolution, extremely by the greenhouse cooling of reaction kettle
Simultaneously Nano silica sol is added in 25 DEG C of room temperature, and stirring is filtered with 300 mesh filter screens after 30 minutes and 2 scaling powder of this comparative example is made
3 scaling powder of comparative example comprises the following raw materials by weight percent
Preparation method: will by weight percentage, weighing each component is spare, will first weigh up dehydrated alcohol, the propylene glycol of weight
Butyl ether, isopropanol pour into glass reaction kettle, and reaction kettle heating temperature is arranged between 40-60 DEG C, stir 10 minutes, to abundant
It is added after uniformly and weighs up the succinic acid, adipic acid, sebacic acid of weight, stirred 60 minutes, to after completely dissolution, by the temperature of reaction kettle
Degree is cooled to 25 DEG C of room temperature and plus nano silica solution, and stirring is filtered with 300 mesh filter screens after 30 minutes and this comparative example 3 is made
Scaling powder.
Test example: test scaling powder is compared for above embodiment 1-4, comparative example 1-3 and common scaling powder
Performance.
One, test surfaces resistance:
1. glass first to be cut into the area of 100*100mm, cleaned up with cleaning agent spare
2. the scaling powder spraying for being used to compare is in the surface of glass.
It is toasted 3. the glass for coating scaling powder is put in 30 minutes in 100 DEG C of baking oven
4. the sample preparation glass for being coated with comparison scaling powder made is carried out sheet resistance test
Table 1: embodiment and comparative example sheet resistance correlation data
Note: common scaling powder is the common photovoltaic scaling powder for buying market
From the correlation data of table 1 it is found that implementing item 1-4, sheet resistance is significantly less than comparative run 1-3 and than commonly helps
The sheet resistance value of solder flux, the resistance for being added to conductive nano auxiliary agent are far smaller than not added with auxiliary agent, and the two is makeed an appointment
1000 times, the reason of differing greatly is after the present invention is added to conductive nano auxiliary agent, and welding surface will form conductive film layer when welding,
Corresponding resistance will obviously become smaller.
Two, component power test test
Power screening is carried out again with the cell piece of gear 1. selecting, and reduces cell piece bring error.2. at same
The scaling powder of different comparative examples is used in string welding machine, the setting parameter of string welding machine is consistent.
3. being grouped the cell piece being welded, establishment of component is carried out, production material guarantees unanimously and in the same power of battery
Power test is carried out on tester.
Table 2: embodiment and comparative example component power correlation data
Note: common scaling powder is the common photovoltaic scaling powder for buying market
From 2 correlation data of table it is found that the power of embodiment 1-4 component is greater than comparative example 1-3 and common scaling powder 2W or more,
That is because the conductive effect of cell piece is more preferable after being added to conductive nano auxiliary agent, in conjunction with can be in the resistance contrast table in table 1
Find out, the component power that the low cell piece of resistance is made into is obviously improved.
Claims (10)
1. a kind of New Flux, which is characterized in that the scaling powder comprises the following raw materials by weight percent: activating agent 0.5-
5%, film forming agent 0.1-5%, solvent 85-99%, conductive auxiliary agent 0.1-5%.
2. scaling powder according to claim 1, which is characterized in that the scaling powder by following weight percent raw material group
At: activating agent 2.5%, film forming agent 0.8%, solvent 96.2%, conductive auxiliary agent 0.5%.
3. scaling powder according to claim 1, which is characterized in that the scaling powder by following weight percent raw material group
At: activating agent 1.4%, film forming agent 0.5%, solvent 97.5%, conductive auxiliary agent 0.6%.
4. scaling powder according to claim 1, which is characterized in that the scaling powder by following weight percent raw material group
At: activating agent 3%, film forming agent 1%, solvent 95.4%, conductive auxiliary agent 0.6%.
5. scaling powder according to claim 1-4, which is characterized in that the activating agent by succinic acid, adipic acid,
One or more of itaconic acid, malonic acid, malic acid, citric acid, sebacic acid, suberic acid composition.
6. scaling powder according to claim 1-4, which is characterized in that it is 5- that the film forming agent, which is by partial size,
The Nano silica sol of 100nm forms.
7. scaling powder according to claim 1-4, which is characterized in that the solvent by isopropanol, dehydrated alcohol,
One of butyl acetate, propylene glycol monomethyl ether, propandiol butyl ether, propylene glycol methyl ether acetate or a variety of compositions.
8. scaling powder according to claim 1-4, which is characterized in that the conductive auxiliary agent by nano zine oxide,
One of nano indium oxide, nano-indium stannum oxide, nano tin dioxide, lanthanum hexaboride or a variety of compositions, the partial size of conductive auxiliary agent
For 10-100nm.
9. the preparation method of any one of -4 scaling powders according to claim 1, which is characterized in that this method are as follows: by weight hundred
Divide than weighing each component, solvent is added in reaction kettle, 40-60 DEG C of heating temperature, activating agent, stirring to activating agent dissolution is added
Afterwards, film forming agent is added, stirs 60 minutes, to after completely dissolution, by the greenhouse cooling of reaction kettle to room temperature, conductive auxiliary agent be added,
It is filtered after stirring 30 minutes, is filling.
10. application of the scaling powder according to claim 1-4 in photovoltaic solar components welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810253104.1A CN110355497B (en) | 2018-03-26 | 2018-03-26 | Novel soldering flux and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810253104.1A CN110355497B (en) | 2018-03-26 | 2018-03-26 | Novel soldering flux and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110355497A true CN110355497A (en) | 2019-10-22 |
| CN110355497B CN110355497B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810253104.1A Active CN110355497B (en) | 2018-03-26 | 2018-03-26 | Novel soldering flux and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687560A (en) * | 2020-06-28 | 2020-09-22 | 郑州大学 | Flux-cored wire with uniform hardness for hardfacing of deposited metal |
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| JP2013063443A (en) * | 2011-09-15 | 2013-04-11 | Toppan Printing Co Ltd | Aluminum paste solder, method for joining aluminum conductive member, and method for manufacturing solar battery module |
| CN104690450A (en) * | 2015-04-07 | 2015-06-10 | 武汉谊盛新材料科技有限公司 | Special scaling powder for automatic welding of photovoltaic battery piece |
| CN105855746A (en) * | 2016-05-13 | 2016-08-17 | 深圳市唯特偶新材料股份有限公司 | Flux for high-tensile strength photovoltaic module |
| JP2017070959A (en) * | 2015-10-05 | 2017-04-13 | 住友金属鉱山株式会社 | Au-Sb-Sn SOLDER PASTE |
| US20170106479A1 (en) * | 2007-01-04 | 2017-04-20 | Alpha Assembly Solutions Inc. | Flux Formulations |
| CN106624429A (en) * | 2017-01-17 | 2017-05-10 | 广东中实金属有限公司 | Lead-free environment-friendly tin wire suitable for aluminum soft brazing and preparation method thereof |
| CN107322188A (en) * | 2017-07-10 | 2017-11-07 | 苏州龙腾万里化工科技有限公司 | A kind of photovoltaic welding scaling powder |
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2018
- 2018-03-26 CN CN201810253104.1A patent/CN110355497B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170106479A1 (en) * | 2007-01-04 | 2017-04-20 | Alpha Assembly Solutions Inc. | Flux Formulations |
| JP2013063443A (en) * | 2011-09-15 | 2013-04-11 | Toppan Printing Co Ltd | Aluminum paste solder, method for joining aluminum conductive member, and method for manufacturing solar battery module |
| CN104690450A (en) * | 2015-04-07 | 2015-06-10 | 武汉谊盛新材料科技有限公司 | Special scaling powder for automatic welding of photovoltaic battery piece |
| JP2017070959A (en) * | 2015-10-05 | 2017-04-13 | 住友金属鉱山株式会社 | Au-Sb-Sn SOLDER PASTE |
| CN105855746A (en) * | 2016-05-13 | 2016-08-17 | 深圳市唯特偶新材料股份有限公司 | Flux for high-tensile strength photovoltaic module |
| CN106624429A (en) * | 2017-01-17 | 2017-05-10 | 广东中实金属有限公司 | Lead-free environment-friendly tin wire suitable for aluminum soft brazing and preparation method thereof |
| CN107322188A (en) * | 2017-07-10 | 2017-11-07 | 苏州龙腾万里化工科技有限公司 | A kind of photovoltaic welding scaling powder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687560A (en) * | 2020-06-28 | 2020-09-22 | 郑州大学 | Flux-cored wire with uniform hardness for hardfacing of deposited metal |
| CN111687560B (en) * | 2020-06-28 | 2021-07-16 | 郑州大学 | Flux-cored wire with uniform hardness for hardfacing of deposited metal |
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| Publication number | Publication date |
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| CN110355497B (en) | 2021-03-23 |
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