CN106711264A - Segmented dotting and embossing welding strip, photovoltaic assembly and manufacturing method - Google Patents
Segmented dotting and embossing welding strip, photovoltaic assembly and manufacturing method Download PDFInfo
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- CN106711264A CN106711264A CN201611166049.XA CN201611166049A CN106711264A CN 106711264 A CN106711264 A CN 106711264A CN 201611166049 A CN201611166049 A CN 201611166049A CN 106711264 A CN106711264 A CN 106711264A
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- 238000003466 welding Methods 0.000 title claims abstract description 89
- 238000004049 embossing Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 50
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 36
- 229910052802 copper Inorganic materials 0.000 claims description 36
- 239000010949 copper Substances 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 32
- 238000000137 annealing Methods 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 10
- 230000000977 initiatory effect Effects 0.000 claims description 7
- 230000011218 segmentation Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- 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
- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
- H01L31/0508—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module the interconnection means having a particular shape
-
- 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
- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
-
- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
-
- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
- H01L31/188—Apparatus specially adapted for automatic interconnection of solar cells in a module
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a segmented dotting and embossing welding strip, a photovoltaic assembly and a manufacturing method. The surface of the welding strip is provided with at least one sawtooth surface and at least one smooth surface, and the starting end of each sawtooth surface is provided with a concave point. According to the invention, series welding equipment is facilitated to automatically recognize the starting end of the sawtooth surface and the smooth surface, and thus the welding efficiency is improved.
Description
Technical field
The present invention relates to a kind of welding in photovoltaic products field, and in particular to a kind of segmented gets embossing welding and its light ready
Volt component and manufacture method.
Background technology
Current photovoltaic welding belt surface is generally smooth flat, and such welding is irradiated to beneficial to the welding with cell piece
The sunray of face bonding belt surface is completely reflected away, absorption of the cell piece component to sunshine is reduced, for photoelectricity
The lifting of conversion efficiency and cell piece power has considerable influence.
Another some serrated face welding, welding surface is provided with least one side toothed segment and at least one side smooth section.But
It is that in automatic series welding, equipment is difficult to this kind of welding for the original position of toothed segment and smooth section, causing originally should
The welding part for being welded on cell piece upper surface is stretched to the welding of cell piece lower surface, or should be welded on cell piece originally
The smooth section part of lower surface is stretched to the upper surface welding of cell piece, and both welding situations can all reduce welding reflective surface
For the absorption of illumination, so as to reduce the power of battery component.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention propose a kind of segmented get ready embossing welding and its photovoltaic module and
Manufacture method, is easy to the initiating terminal of series welding device automatic identification serrated face and even surface, so as to improve welding efficiency.
In order to achieve the above object, technical scheme is as follows：
Segmented gets embossing welding ready, and an at least serrated face and an at least even surface are provided with welding surface, in saw
The initiating terminal of the flank of tooth is provided with concave point.
A kind of segmented of the present invention gets embossing welding ready increases concave point in serrated face, and the position of concave point is located at rising for serrated face
Top, is easy to welding equipment for the identification of serrated face and the original position of even surface, so as to improve welding efficiency, concave point can be with
It is circular, rectangle or other shapes.
On the basis of above-mentioned technical proposal, following improvement can be also done：
As preferred scheme, concave point also is provided with the end end of even surface.
Using above-mentioned preferred scheme, it is easy to welding equipment for the identification of serrated face and the original position of even surface.
Used as preferred scheme, when being set to multiple serrated faces and multiple even surfaces, even surface and serrated face one are every a ground
Set.
Using above-mentioned preferred scheme, it is adapted to connect the concrete condition of polylith cell piece in photovoltaic module.
As preferred scheme, the back side tin layers of even surface be arranged at even surface not with that face of welding of battery film, sawtooth
Face back side tin thickness is between 20-25 μm, even surface back side tin thickness is between 5-25 μm；
Preferably, even surface back side tin thickness is between 5-15 μm.
Using above-mentioned preferred scheme, even surface lower surface is not required to and welding of battery film, and tin layers are relatively thin, will not butt welding practice midwifery
Raw influence, it is possible to reduce the use of solder.
Used as preferred scheme, the diameter range of concave point is between 0.1-1.3mm；The length range of serrated face is in 90-
Between 175mm；The length range of even surface is between 90-175mm.
Used as preferred scheme, the tooth bar of serrated face is set along welding length direction, and the tooth peak number amount of serrated face is 2-
Between 15.
Used as preferred scheme, serrated face section is isosceles triangle or summit is the excessive isosceles triangle of circular arc, and
The height in serrated face section is between 10-60 μm.
Photovoltaic module, including multi-disc cell piece, multi-disc cell piece segmentation are got embossing welding ready and are attached.
Photovoltaic module of the invention gets embossing welding ready as a result of segmented, equally have concurrently raising cell piece power and
Ensure two big advantages of welding and cell piece bonding strength.The present invention can allow series welding device automatic identification toothed segment and smooth section
Initiating terminal, so as to ensure efficient welding, it is ensured that serrated face is stretched to the upper surface of cell piece, under planar stretch to cell piece
Surface, and being capable of precise control stretch position, reduction error, so that maximized raising cell piece makes for the absorption of illumination
Battery component power is maximized.
Segmented gets the preparation method of embossing welding ready, and embossing welding is got ready for preparing segmentation, specifically includes following step
Suddenly：
(1) pressure roller by surface with serrated face and even surface is rolled to the surface of Copper base material, in Copper base material
Surface forms serrated face and even surface one every a band for setting；
(2) Copper base material through rolling is made annealing treatment by annealing device；
(3) Copper base material to annealed treatment soaks scaling powder；
(4) Copper base material of dipped scaling powder is carried out to apply tin treatment by applying tin equipment, during tin is applied, by regulation
Wind-force size adjusts the thickness of tinning layer；
(5) welding of Tu Xihou forms periodicity concave point by the round roller with salient point；
(6) wind.
Welding preparation method of the invention carries out rolling effect by the pressure roller with serrated face and even surface to copper-based band,
It is processed as that not only there is serrated face but also the welding with even surface, and produces concave point.
Segmented gets the preparation method of embossing welding ready, gets embossing welding ready for preparing claim segmentation, specific bag
Include following steps：
(1) pressure roller by surface with serrated face is rolled to the surface of Copper base material, is formed on the surface of Copper base material
Continuous serrated face band；
(2) Copper base material through rolling is made annealing treatment by annealing device；
(3) Copper base material to annealed treatment soaks scaling powder；
(4) Copper base material of dipped scaling powder is carried out to apply tin treatment by applying tin equipment, during tin is applied, by regulation
Wind-force size adjusts the thickness of tinning layer, and will carry out applying tin in correspondence position by the serrated face of rolling and fill and lead up, and forms flat
Sliding surface；
(5) welding of Tu Xihou forms periodicity concave point by the round roller with salient point；
(6) wind.
Welding preparation method of the invention carries out rolling effect by the pressure roller with serrated face to copper-based band, is processed as tool
There is continuous serrated face band, then carry out painting tin and fill and lead up to form even surface, and produce concave point.
Brief description of the drawings
Fig. 1 is the front view that segmented provided in an embodiment of the present invention gets embossing welding ready.
Fig. 2 is the side view that segmented provided in an embodiment of the present invention gets embossing welding ready.
Fig. 3 is the front view of photovoltaic module provided in an embodiment of the present invention.
Fig. 4 is the side view of photovoltaic module provided in an embodiment of the present invention.
Wherein：1 welding, 2 serrated faces, 3 even surfaces, 4 concave points, 5 cell pieces.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
In order to reach the purpose of the present invention, a kind of segmented gets its of embossing welding and its photovoltaic module and preparation method ready
In in some embodiments,
As Figure 1-4, segmented gets embossing welding ready, and multiple serrated faces 2 and extremely multiple are provided with the surface of welding 1
Even surface 3, even surface 3 and serrated face 2 one are set every a ground.Circular concave point 4, circular concave point 4 are provided with the initiating terminal of serrated face 2
Half is arranged at the initiating terminal of serrated face 2, and half is arranged at the end end of even surface 3.Concave point 4 can also be other shapes, its
The diameter range of specific requirement concave point is not made between 0.1-1.3mm.The tooth bar of serrated face 2 along welding 1 length direction arrange,
And the tooth peak number amount of serrated face is between 2-15.The length range of serrated face is between 90-175mm；The length model of even surface
It is trapped among between 90-175mm.
The last period serrated face 2 is not as the joint face with cell piece 5, and its back side (the welding back side is all smooth) connection is electric
Pond piece 5, serrated face 2 is then used for reflection light, and next section of even surface 3 then for the connection with cell piece 5 outwardly, with such
Push away, form photovoltaic module of the invention.
Be provided with tin layers on the surface of welding 1, and serrated face 2 tin thickness of the tin thickness more than even surface 3, serrated face
Back side tin thickness is between 20-25 μm, the back side tin thickness of the even surface between 5-25 μm, the back side tin of even surface 3
Layer be arranged at even surface 3 not with that face of welding of battery film, the lower surface of even surface 3 is not required to and welding of battery film, and tin layers are relatively thin,
Will not butt welding practice midwifery raw influence, it is possible to reduce the use of 10%-20% solders.
Segmented gets the preparation method of embossing welding ready, and embossing welding is got ready for preparing segmentation, specifically includes following step
Suddenly：
(1) pressure roller by surface with serrated face and even surface is rolled to the surface of Copper base material, in Copper base material
Surface forms serrated face rolling and even surface, and the mill speed of pressure roller is 30 ms/min -150 ms/min；
(2) Copper base material through rolling is made annealing treatment by annealing device, the annealing temperature of annealing device is 200-
600℃；
(3) Copper base material to annealed treatment soaks scaling powder, and scaling powder soak time is 2-6 seconds；
(4) Copper base material of dipped scaling powder is carried out to apply tin treatment, during tin is applied, air knife structure by applying tin equipment
Air-out size can be automatically adjusted, when wind-force increases, institute's tinning layer is relatively thin, tin thickness is about 5-15 μm, when wind-force reduces, tin
Thickness degree is about 20-25 μm, and the temperature control for applying tin equipment is 150-300 DEG C；
(5) welding of Tu Xihou forms periodicity concave point, roller girth 250- by the round roller with salient point
350mm；
(6) wind.
A kind of segmented of the present invention gets having the beneficial effect that for embossing welding and its photovoltaic module and preparation method ready：
1) serrated face 2 will be irradiated the sunshine for coming and reflex on cell piece, and cell piece power is improved with this.
2) circular concave point 4 can allow the initiating terminal of series welding device automatic identification serrated face 2 and even surface 3, so as to ensure height
Effect welding, it is ensured that serrated face 2 is stretched to the upper surface of cell piece 5, even surface 3 is stretched to the lower surface of cell piece 5, and being capable of essence
True restrained stretching position, reduces error, so that maximized raising cell piece 5 makes battery component power for the absorption of illumination
Maximize.
3) lower surface of even surface 3 is not required to be welded with cell piece 5, and tin layers are relatively thin, will not butt welding practice midwifery raw influence, it is possible to reduce
The use of solder.
4) mill speed of pressure roller for 30 ms/min -150 ms/min can reduce pressure roller abrasion, it is ensured that the uniformity of welding and
Stability is unaffected, prevents the exception of welding width and pattern.
5) annealing temperature of annealing device for 200-600 DEG C the yield strength of welding can be prevented too high and stretch it is relatively low,
It is also possible to prevent copper strips broken string or the phenomenon of copper strips oxidation during production.
6) temperature control for applying tin equipment is 150-300 DEG C, it is ensured that coating has good outward appearance and resists after applying tin
Oxidability.
In order to further optimize implementation result of the invention, in other implementation method, remaining feature technology phase
Together, difference is that the back side tin thickness of even surface 3 is between 5-15 μm.
Using above-described embodiment, solder can be effectively saved.
In order to further optimize implementation result of the invention, in other implementation method, remaining feature technology phase
Together, difference is,
Segmented gets the preparation method of embossing welding ready, and embossing welding is got ready for preparing segmentation, specifically includes following step
Suddenly：
(1) pressure roller by surface with serrated face is rolled to the surface of Copper base material, is formed on the surface of Copper base material
Continuous serrated face band, the mill speed of pressure roller is 30 ms/min -150 ms/min；
(2) Copper base material through rolling is made annealing treatment by annealing device, the annealing temperature of annealing device is 200-
600℃；
(3) Copper base material to annealed treatment soaks scaling powder, and scaling powder soak time is 2-6 seconds；
(4) Copper base material of dipped scaling powder is carried out to apply tin treatment, during tin is applied, air knife structure by applying tin equipment
Air-out size can be automatically adjusted, is filled and led up painting tin is carried out in correspondence position by the serrated face of rolling, form even surface, apply tin
The temperature control of equipment is 150-300 DEG C；
(5) welding of Tu Xihou forms periodicity concave point, roller girth 250- by the round roller with salient point
350mm；
(6) wind.
Using the method for above-described embodiment, Copper base material applies the even surface that tin is obtained without rolling, and tin thickness is 5-15 μm；
The even surface that tin is obtained is applied by the Copper base material for rolling, tin thickness is 10-60 μm.
The above is only the preferred embodiment of the present invention, it is noted that for the person of ordinary skill of the art,
Without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.
Claims (10)
1. segmented gets embossing welding ready, and an at least serrated face and an at least even surface, its feature are provided with welding surface
It is to be provided with concave point in the initiating terminal of the serrated face.
2. segmented according to claim 1 gets embossing welding ready, it is characterised in that at the end end of the even surface
It is provided with concave point.
3. segmented according to claim 2 gets embossing welding ready, it is characterised in that be set to multiple serrated faces and
During multiple even surfaces, the even surface and the serrated face one are set every a ground.
4. the segmented according to claim any one of 1-3 gets embossing welding ready, it is characterised in that the back of the body of the even surface
Face tin layers be arranged at the even surface not with that face of welding of battery film, serrated face back side tin thickness be 20-25 μm it
Between, even surface back side tin thickness is between 5-25 μm；
Preferably, even surface back side tin thickness is between 5-15 μm.
5. segmented according to claim 4 gets embossing welding ready, it is characterised in that the diameter range of the concave point exists
Between 0.1-1.3mm；The length range of the serrated face is between 90-175mm；The length range of the even surface is in 90-
Between 175mm.
6. segmented according to claim 4 gets embossing welding ready, it is characterised in that the tooth bar of the serrated face is along welding
Length direction is set, and the serrated face tooth peak number amount between 2-15.
7. segmented according to claim 4 gets embossing welding ready, it is characterised in that the serrated face section is isosceles three
Angular or summit is the excessive isosceles triangle of circular arc, and the serrated face section height between 10-60 μm.
8. photovoltaic module, including multi-disc cell piece, it is characterised in that the multi-disc cell piece passes through any institutes of claim 1-7
The segmentation stated is got embossing welding ready and is attached.
9. segmented gets the preparation method of embossing welding ready, it is characterised in that for preparing, claim 1-7 is any described to be divided
Section gets embossing welding ready, specifically includes following steps：
(1) pressure roller by surface with serrated face and even surface is rolled to the surface of Copper base material, on the surface of Copper base material
Serrated face and even surface one are formed every a band for setting；
(2) Copper base material through rolling is made annealing treatment by annealing device；
(3) Copper base material to annealed treatment soaks scaling powder；
(4) Copper base material of dipped scaling powder is carried out to apply tin treatment by applying tin equipment, during tin is applied, by adjusting wind-force
Size adjusts the thickness of tinning layer；
(5) welding of Tu Xihou forms periodicity concave point by the round roller with salient point；
(6) wind.
10. segmented gets the preparation method of embossing welding ready, it is characterised in that any described for preparing claim 1-7
Embossing welding is got in segmentation ready, specifically includes following steps：
(1) pressure roller by surface with serrated face is rolled to the surface of Copper base material, is formed continuously on the surface of Copper base material
Serrated face band；
(2) Copper base material through rolling is made annealing treatment by annealing device；
(3) Copper base material to annealed treatment soaks scaling powder；
(4) Copper base material of dipped scaling powder is carried out to apply tin treatment by applying tin equipment, during tin is applied, by adjusting wind-force
Size adjusts the thickness of tinning layer, and will carry out applying tin in correspondence position by the serrated face of rolling and fill and lead up, and forms even surface；
(5) welding of Tu Xihou forms periodicity concave point by the round roller with salient point；
(6) wind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166049.XA CN106711264B (en) | 2016-12-16 | 2016-12-16 | Sectional dotting embossing solder strip, photovoltaic module and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166049.XA CN106711264B (en) | 2016-12-16 | 2016-12-16 | Sectional dotting embossing solder strip, photovoltaic module and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106711264A true CN106711264A (en) | 2017-05-24 |
| CN106711264B CN106711264B (en) | 2019-12-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428760A (en) * | 2018-03-26 | 2018-08-21 | 张学青 | A kind of High-efficiency photovoltaic solder strip and preparation method thereof |
| CN108682700A (en) * | 2018-06-04 | 2018-10-19 | 浙江宝利特新能源股份有限公司 | A kind of more main grid cell piece stacked wafer moudles of MBB and photovoltaic module |
| CN108807575A (en) * | 2018-06-04 | 2018-11-13 | 浙江宝利特新能源股份有限公司 | A kind of preparation method of the more main grid cell piece stacked wafer moudles of MBB |
| CN114074132A (en) * | 2020-08-18 | 2022-02-22 | 浙江川禾新材料有限公司 | Manufacturing method of photovoltaic solder strip |
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