CN105880862A - Photovoltaic welding strip welding flux easy to weld - Google Patents
Photovoltaic welding strip welding flux easy to weld Download PDFInfo
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- CN105880862A CN105880862A CN201410747396.6A CN201410747396A CN105880862A CN 105880862 A CN105880862 A CN 105880862A CN 201410747396 A CN201410747396 A CN 201410747396A CN 105880862 A CN105880862 A CN 105880862A
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- tin
- alloy
- welding
- antimony
- solder
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Abstract
The invention discloses a photovoltaic welding strip welding flux easy to weld. The welding flux consists of metal elements as tin, silver, antimony, indium, germanium and lead, and comprises the following components of, by weight, 58-60% of tin, 3-5% of tin silver alloy, 0.2-5% of tin antimony alloy, 0.01-2% of indium, 0.01-2% of silver germanium alloy, and the balance tin lead alloy. The unique tin antimony alloy is added in the welding flux; because of existence of the antimony element in the tin antimony alloy, the welding flux can be sintered in a lower temperature section, and the welding easiness of the welding flux is promoted; and the tin antimony alloy serves as a flux to be uniformly dispersed in other components of the welding flux.
Description
Technical field
The present invention relates to a kind of solar photovoltaic technology, particularly relate to a kind of photovoltaic welding belt solder.
Background technology
Solar energy is a kind of clean reproducible energy.Industrial utilize solar energy solar-energy photo-voltaic cell to be relied on
Plate, its key component is silicon crystal and photovoltaic welding belt, and welding base material is copper strips, need to plate last layer tin solder, its
The quality good or not of middle tin solder is the important technology index of photovoltaic generation effect.
Photovoltaic tin solder has the requirement that it is special: will have excellent electric conductivity；Tin coating to stand at cell panel
Exposure to Sunlight rain beat severe large natural environment test, it is desirable to tin solder must not aoxidize, variable color, aging, to reach 25
The service life in year；Photovoltaic welding belt is tin plating owing to weld on silicon, and its solderability requires height, otherwise can make
Become rosin joint, dry joint phenomenon.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, design the photovoltaic welding belt solder of a kind of easy weldering.
For achieving the above object, the technical scheme is that the photovoltaic welding belt solder of a kind of easy weldering, described photovoltaic
The metallic element of welding solder is stannum, silver, antimony, indium, germanium, lead composition, and its composition is according to percetage by weight
For:
Preferably, the composition of described photovoltaic welding belt solder according to percetage by weight is:
Advantages of the present invention and having the beneficial effects that: with the addition of the tin pewter of uniqueness in tin solder of the present invention, by
The existence of antimony element in tin pewter, makes solder can promote the easy of solder at relatively low temperature range sintering
Weldering property；And as helping weldering component, it may be uniformly dispersed in other components of solder, and solder performance is uniform.
Detailed description of the invention
Below in conjunction with embodiment, the detailed description of the invention of the present invention is further described.Following example are only used
In technical scheme is clearly described, and can not limit the scope of the invention with this.
Embodiment 1
The present invention is the photovoltaic welding belt solder of a kind of easy weldering, the metallic element of described photovoltaic welding belt solder be stannum, silver,
Antimony, indium, germanium, lead form, and its composition according to percetage by weight is: stannum 58%, sn-ag alloy
5%, tin pewter 5%, indium 0.01%, Ag-Ge alloy 0.01%, surplus are leypewter.
Embodiment 2
The present invention is the photovoltaic welding belt solder of a kind of easy weldering, the metallic element of described photovoltaic welding belt solder be stannum, silver,
Antimony, indium, germanium, lead form, and its composition according to percetage by weight is: stannum 60%, sn-ag alloy
3%, tin pewter 0.2%, indium 2%, Ag-Ge alloy 2%, surplus are leypewter.
Embodiment 3
The present invention is the photovoltaic welding belt solder of a kind of easy weldering, the metallic element of described photovoltaic welding belt solder be stannum, silver,
Antimony, indium, germanium, lead form, and its composition according to percetage by weight is: stannum 59%, sn-ag alloy
4%, tin pewter 1.2%, indium 0.05%, Ag-Ge alloy 0.05%, surplus are leypewter.
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (2)
1. the photovoltaic welding belt solder of an easy weldering, it is characterised in that the metallic element of described photovoltaic welding belt solder
For stannum, silver, antimony, indium, germanium, lead composition, and its composition according to percetage by weight it is:
2. the photovoltaic welding belt solder of easily weldering as claimed in claim 1, it is characterised in that described photovoltaic welding belt welds
The composition of material according to percetage by weight is:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747396.6A CN105880862A (en) | 2014-12-09 | 2014-12-09 | Photovoltaic welding strip welding flux easy to weld |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747396.6A CN105880862A (en) | 2014-12-09 | 2014-12-09 | Photovoltaic welding strip welding flux easy to weld |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105880862A true CN105880862A (en) | 2016-08-24 |
Family
ID=56701073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410747396.6A Pending CN105880862A (en) | 2014-12-09 | 2014-12-09 | Photovoltaic welding strip welding flux easy to weld |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105880862A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138870A (en) * | 2017-07-12 | 2017-09-08 | 太仓巨仁光伏材料有限公司 | It is a kind of for solder of the efficient welding of photovoltaic cell component and preparation method thereof |
-
2014
- 2014-12-09 CN CN201410747396.6A patent/CN105880862A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138870A (en) * | 2017-07-12 | 2017-09-08 | 太仓巨仁光伏材料有限公司 | It is a kind of for solder of the efficient welding of photovoltaic cell component and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |