CN201773858U - Film laminating block for manufacturing positive electrode, positive electrode and solar battery - Google Patents
Film laminating block for manufacturing positive electrode, positive electrode and solar battery Download PDFInfo
- Publication number
- CN201773858U CN201773858U CN2010202828540U CN201020282854U CN201773858U CN 201773858 U CN201773858 U CN 201773858U CN 2010202828540 U CN2010202828540 U CN 2010202828540U CN 201020282854 U CN201020282854 U CN 201020282854U CN 201773858 U CN201773858 U CN 201773858U
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- conductive filament
- film laminating
- front electrode
- battery sheet
- electrode
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- 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
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- 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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Abstract
The utility model discloses a film laminating block for manufacturing a positive electrode. The film laminating block sequentially comprises a film laminating frame (1), conductive wires (3) and an adhesive gum film (2) from top to bottom, wherein the conductive wires are stuck and arrayed on the surface of the adhesive gum film (2) in parallel; and the film laminating frame (1) is adhered on the adhesive gum film (2) on which the conductive wires (3) are stuck. The utility model also discloses a positive electrode structure adopting the film laminating block and a solar battery. The shading area of the positive surface is greatly reduced to about 3 percent from the previous 6 to 8 percent. In addition, because the conductive wires have higher conductivity than silver paste and filling factors are not greatly changed, the efficiency of the solar battery is greatly improved. The highest improvement of conversion efficiency is achieved through the smallest technique change.
Description
Technical field
The utility model relates to technical field of solar batteries, particularly a kind of film laminating block and front electrode and solar cell that is used for the front electrode making.
Background technology
Crystal silicon solar energy battery is the solar cell of present main flow, silk screen printing is the solar energy front electrode manufacture method of present main flow, the thin grid line width of making of the method for silk screen printing of front electrode is starched the thin grid line that is difficult to accomplish width below 100 microns generally at the 110-150 micron with conventional equipment and silver.The shading area of front electrode reaches the 6-8% of entire cell surface area like this, has seriously limited the light-receiving area of battery surface; Because the front electrode width is too big, also restricting the improvement of other solar cell manufacturing processes simultaneously, is one of great bottleneck of present solar cell fabrication process, has greatly restricted the further lifting of battery conversion efficiency.
The front electrode shading area that reduces the solar cell upper surface by the width that reduces the thin grid line of front electrode is one of important means that improves the solar cell conversion efficiency.
The utility model content
Technical problem to be solved in the utility model is at the deficiencies in the prior art, and a kind of film laminating block that front electrode is made that is used for is provided, and a kind of front electrode and solar cell that uses this subsides module also is provided.
A kind of film laminating block that is used to make front electrode, described subsides module comprises from top to bottom successively: pad pasting frame (1), conductive filament (3), viscosity glued membrane (2), the parallel stickup of described conductive filament (3) is arranged in viscosity glued membrane (2) surface, and described pad pasting frame (1) is attached on the viscosity glued membrane (2) of having pasted conductive filament (3).
Described subsides module, described conductive filament (3) equally spaced are arranged in viscosity glued membrane (2) surface.
Described subsides module, described pad pasting frame (1) comprises alignment mark (4), is used for carrying out aiming at of film laminating block and battery sheet in the process of making the battery sheet.
Described subsides module, described viscosity glued membrane (2) thickness is 0.01-0.2mm.
Described subsides module, described conductive filament (3) diameter is the 0.01-0.05 millimeter; Described conductive filament (3) is a wire.
Described subsides module, described conductive filament spacing is the 0.5-3 millimeter.
A kind of front electrode that uses above-mentioned arbitrary subsides module, comprise battery sheet (5) and described subsides module, the dot matrix of described battery sheet (5) one side set-point electrode (7), the dot matrix of described subsides module and described point electrode (7) is superimposed, and described conductive filament (3) is electrically connected with described point electrode (7).
Described front electrode, described battery sheet (5) can be monocrystalline silicon piece or polysilicon chip.
Described front electrode, the diameter of described point electrode (7) is 0.05-0.3mm; Horizontal or the longitudinal separation of described point electrode is 0.05-2mm.
A kind of solar cell that uses above-mentioned arbitrary described front electrode.
Traditional crystal silicon solar energy battery is to starch in battery front surface printed silver with the method for silk screen printing to make front electrode, characteristics of the present utility model are to replace the method for silk screen printing to form the front electrode structure of solar cell with the method for pasting film laminating block at the solar cell front surface, film laminating block wherein is the standalone module with partial electrode structure that a cover has been made in advance, attach on it through aiming at the back, again through finishing the making of front electrode after the normal oven dry sintering circuit with battery sheet surface.
Solar cell with the making of this kind technology, greatly reduce front surface shading area, make from before 6-8% drop to about 3%, because having better electricity than the silver slurry, conductive filament leads ability in addition, not too big variation of fill factor, curve factor, thereby significantly improving the efficient of solar cell. this technology is changed with the technology of minimum, has obtained maximum conversion efficiency and has promoted.
Description of drawings
Fig. 1 is film laminating block of the present invention and front electrode manufacture craft schematic diagram.
Description of reference numerals:
1----pad pasting frame; 2----viscosity glued membrane; The 3----conductive filament; The 4----alignment mark; 5----battery sheet; The 7----point electrode.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Main feature of the present utility model is to use the front electrode structure that the viscosity film laminating block with partial electrode function forms solar battery sheet.Because the independence of this film laminating block will be carried out the making of film laminating block earlier before making the battery sheet, introduce a kind of structure of this film laminating block and preparation method thereof below.
Embodiment 1
As shown in Figure 1, present embodiment provides a kind of film laminating block that is used to make front electrode, described subsides module comprises from top to bottom successively: pad pasting frame 1, conductive filament 3, viscosity glued membrane 2, described conductive filament 3 parallel stickups are arranged in viscosity glued membrane 2 surfaces, and described pad pasting frame 1 is attached on the viscosity glued membrane 2 of having pasted conductive filament 3.
Preferably, described conductive filament 3 equally spaced is arranged in viscosity glued membrane 2 surfaces.
Preferably, described pad pasting frame 1 comprises alignment mark 4, is used for carrying out aiming at of film laminating block and battery sheet in the process of making the battery sheet.
Preferably, described viscosity glued membrane 2 thickness are 0.01-0.2mm.
Preferably, described conductive filament 3 diameters are the 0.01-0.05 millimeter; Described conductive filament 3 is wires.
Preferably, described conductive filament spacing is the 0.5-3 millimeter.
The subsides module making method is as follows, with reference to figure 1: on the viscosity glued membrane 2 of tiling, equally spaced arrange conductive filament 3 earlier, make conductive filament 3 be pasted on viscosity glued membrane 2 surfaces, pad pasting frame 1 accurately is attached on the viscosity glued membrane 2 of having pasted conductive filament 3 as shown in Figure 1 again.And then at the position as shown in the figure of pad pasting frame 1 making alignment mark 4.Outline along pad pasting frame 1 cuts at last, thereby has finished the making of the independent film laminating block of this kind.
Provide a kind of embodiment of use the front electrode of described subsides module with reference to figure 1 present embodiment, it comprise battery sheet 5 and and described subsides module, the dot matrix of described battery sheet one side set-point electrode 7, the dot matrix of described subsides module and described point electrode 7 is superimposed, described conductive filament 3 is electrically connected with described point electrode 7, described point electrode can be formed by bonding slurry, and the common front side silver paste that this binding paste can be used for present solar cell industry also can custom-made.
Preferably, described battery sheet 5 can be monocrystalline silicon piece or polysilicon chip.
Preferably, the diameter of described point electrode 7 is 0.05-0.3mm; Horizontal or the longitudinal separation of described point electrode is 0.05-2mm.
Preferably, described binding paste can be the present industrial common front side silver paste of solar cell.
Present embodiment also provides a kind of solar cell, and the front electrode of this solar cell adopts above-mentioned front electrode.
Illustrate the manufacturing process of completed cell sheet below.Make evenly distributed point electrode 7 dot matrix at battery sheet 5 upper surfaces with the method for silk screen printing earlier, the film laminating block that to make is above aimed at the point electrode dot matrix in solar battery sheet 5 fronts according to alignment mark 4 again, afterwards it is attached at battery sheet 5 surfaces, at last that film laminating block is unnecessary part excision, thereby formation electrode structure form as shown in Figure 1.So far, finished the preliminary making of front electrode.At last, put it into the sintering furnace sintering, bonding glued membrane 2 and pad pasting frame 1 high temperature melt down, and point electrode 7 and conductive filament 3 are cured as one, form to be electrically connected, and produce complete machinery and electric property, thereby finish complete battery sheet front electrode manufacturing process.
Solar battery sheet with the making of this kind technology, greatly reduce front surface shading area, make from before 6-8% drop to about 3%, because having better electricity than the silver slurry, conductive filament leads ability in addition, not too big variation of fill factor, curve factor, thereby significantly improving the efficient of solar cell. this technology is changed with the technology of minimum, has obtained maximum conversion efficiency and has promoted.
The utility model is not only applicable to common all kinds of crystal-silicon solar cell, is applicable to the other kinds solar battery product that needs to make front electrode yet.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of the utility model claims.
Claims (10)
1. film laminating block that is used to make front electrode, it is characterized in that, described subsides module comprises from top to bottom successively: pad pasting frame (1), conductive filament (3), viscosity glued membrane (2), the parallel stickup of described conductive filament (3) is arranged in viscosity glued membrane (2) surface, and described pad pasting frame (1) is attached on the viscosity glued membrane (2) of having pasted conductive filament (3).
2. subsides module according to claim 1 is characterized in that, described conductive filament (3) equally spaced is arranged in viscosity glued membrane (2) surface.
3. subsides module according to claim 1 is characterized in that, described pad pasting frame (1) comprises alignment mark (4), is used for carrying out aiming at of film laminating block and battery sheet in the process of making the battery sheet.
4. subsides module according to claim 1 is characterized in that, described viscosity glued membrane (2) thickness is 0.01-0.2mm.
5. subsides module according to claim 1 is characterized in that, described conductive filament (3) diameter is the 0.01-0.05 millimeter; Described conductive filament (3) is a wire.
6. subsides module according to claim 5 is characterized in that, described conductive filament spacing is the 0.5-3 millimeter.
7. front electrode that uses claim 1 to paste module, it is characterized in that, comprise battery sheet (5) and described subsides module, the dot matrix of described battery sheet (5) one side set-point electrode (7), the dot matrix of described subsides module and described point electrode (7) is superimposed, and described conductive filament (3) is electrically connected with described point electrode (7).
8. front electrode according to claim 11 is characterized in that, described battery sheet (5) can be monocrystalline silicon piece or polysilicon chip.
9. front electrode according to claim 11 is characterized in that, the diameter of described point electrode (7) is 0.05-0.3mm; Horizontal or the longitudinal separation of described point electrode is 0.05-2mm.
10. solar cell that uses the arbitrary described front electrode of claim 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202828540U CN201773858U (en) | 2010-08-06 | 2010-08-06 | Film laminating block for manufacturing positive electrode, positive electrode and solar battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202828540U CN201773858U (en) | 2010-08-06 | 2010-08-06 | Film laminating block for manufacturing positive electrode, positive electrode and solar battery |
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| Publication Number | Publication Date |
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| CN201773858U true CN201773858U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202828540U Expired - Fee Related CN201773858U (en) | 2010-08-06 | 2010-08-06 | Film laminating block for manufacturing positive electrode, positive electrode and solar battery |
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| CN (1) | CN201773858U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185027A (en) * | 2011-04-06 | 2011-09-14 | 李卫卫 | Manufacturing process of positive electrode of solar battery |
| CN102800712A (en) * | 2012-07-16 | 2012-11-28 | 杭州塞利仕科技有限公司 | Solar cell positive electrode structure and manufacturing method thereof |
| CN103456799A (en) * | 2012-05-31 | 2013-12-18 | 陕西众森电能科技有限公司 | Front electrode of solar cell |
| WO2016065953A1 (en) * | 2014-10-31 | 2016-05-06 | Byd Company Limited | Solar cell module and manufacturing method thereof |
| CN106206817A (en) * | 2014-10-31 | 2016-12-07 | 比亚迪股份有限公司 | Solar module and preparation method thereof |
-
2010
- 2010-08-06 CN CN2010202828540U patent/CN201773858U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185027A (en) * | 2011-04-06 | 2011-09-14 | 李卫卫 | Manufacturing process of positive electrode of solar battery |
| CN102185027B (en) * | 2011-04-06 | 2013-09-04 | 李卫卫 | Manufacturing process of positive electrode of solar battery |
| CN103456799A (en) * | 2012-05-31 | 2013-12-18 | 陕西众森电能科技有限公司 | Front electrode of solar cell |
| CN102800712A (en) * | 2012-07-16 | 2012-11-28 | 杭州塞利仕科技有限公司 | Solar cell positive electrode structure and manufacturing method thereof |
| WO2014012432A1 (en) * | 2012-07-16 | 2014-01-23 | 杭州塞利仕科技有限公司 | Front-side electrode structure of solar cell sheet and fabrication method therefor |
| CN102800712B (en) * | 2012-07-16 | 2015-09-30 | 杭州塞利仕科技有限公司 | A kind of solar battery sheet electrode structure at right side and preparation method thereof |
| WO2016065953A1 (en) * | 2014-10-31 | 2016-05-06 | Byd Company Limited | Solar cell module and manufacturing method thereof |
| CN106206817A (en) * | 2014-10-31 | 2016-12-07 | 比亚迪股份有限公司 | Solar module and preparation method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20120806 |