CN103192619B - A kind of printing process of solar battery sheet - Google Patents
A kind of printing process of solar battery sheet Download PDFInfo
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- CN103192619B CN103192619B CN201210004508.XA CN201210004508A CN103192619B CN 103192619 B CN103192619 B CN 103192619B CN 201210004508 A CN201210004508 A CN 201210004508A CN 103192619 B CN103192619 B CN 103192619B
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- printing
- anelectrode
- grid line
- solar battery
- battery sheet
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Abstract
The present invention relates to technical field of solar batteries, disclose the printing process of a kind of solar battery sheet, it includes back electrode printing, back of the body electric field printing and the printing of anelectrode, the printing of described anelectrode is for repeatedly to print, and at least uses the Printing screen that two kinds of structures are different in the printing process of anelectrode.Being difficult to, for cell piece transformation efficiency in prior art, the defect improved further, this printing process can effectively improve the transformation efficiency of solar battery sheet.
Description
Technical field
The invention belongs to solaode and manufacture field, be specifically related to the printing process of a kind of solar battery sheet.
Background technology
The most socioeconomic fast development, its own existence environmental requirement is improved constantly by the day by day exhausted and people of traditional energy, and as free of contamination clean energy resource, the development of solar energy is also rapidly progressed in recent years.
Solar battery front side, the electrode wires at the back side are to collect free electron produced by solaode.The aluminum back surface field at the back side is owing to forming the P+ at the back side.In the manufacture process of solar battery sheet, each procedure has different effects and meaning, solar battery front side, the electrode at the back side and aluminum back surface field are typically to print the electrocondution slurry such as aluminum silver-colored, silver-colored and aluminum with method for printing screen, are then passed through being dried and sintering formation silver, silver-aluminum electrode and aluminum back surface field.When printing these three slurry, usual way needs to carry out three times positioning, being dried and once sintered for three times.But print the cell piece transformation efficiency obtained in this manner to be difficult to further improve, for solve this kind of problem industry also attempt increase one-step print be dried, it is repeated once the printing of anelectrode the most before sintering, the web plate used in printing process is identical with the web plate used in a front anelectrode printing process, but actual application understands this kind of mode of printing and can not well improve the transformation efficiency of solar battery sheet, because the line footpath that the second printing can make gate electrode line broadens, thus affects the illuminating area of cell piece.
Summary of the invention
(1) to solve the technical problem that
The present invention mainly provides the printing process of a kind of solar battery sheet, can effectively improve the transformation efficiency of solar battery sheet.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides the printing process of a kind of solar battery sheet, it includes back electrode printing, back of the body electric field printing and the printing of anelectrode, the printing of described anelectrode is for repeatedly to print, and at least uses the Printing screen that two kinds of structures are different in the printing process of anelectrode.
Wherein, must carry out next step operation after printing the most again, particularly as follows: the printing of back electrode silver aluminium paste, drying baker is dried every time, back electric field aluminum pulp prints, and drying baker is dried, the slurry printing of anelectrode silver, drying baker is dried, and the anelectrode silver slurry second printing, cell piece dries sintering.
Wherein, width is wanted relative to the web plate grid line line footpath when time anelectrode printing in the web plate grid line line footpath of a described front anelectrode printing, thus ensure, when the silver-colored slurry of time anelectrode printing can directly be increased on the anelectrode being printed on front one-step print, to reduce the illuminating area of cell piece without extravagance to substrate surface.
Wherein, in the printing process of repeatedly anelectrode, after grid line printing position once identical with a front grid line printing position, the web plate of printing all can make by being accurately positioned of printer that the printing position of grid line is identical not to misplace.
Wherein, the web plate that anelectrode printing for the second time is used only has the grid line structure of the thin grid line of print positive electrode, the thin grid line of a described second time anelectrode printing print positive electrode.
(3) beneficial effect
The printing process of a kind of solar battery sheet that technique scheme is provided, it includes back electrode printing, back of the body electric field printing and the printing of anelectrode, the printing of described anelectrode is for repeatedly to print, and at least uses the Printing screen that two kinds of structures are different in the printing process of anelectrode.Being difficult to, for cell piece transformation efficiency in prior art, the defect improved further, this printing process can effectively improve the transformation efficiency of solar battery sheet.
Accompanying drawing explanation
Fig. 1 is the schematic diagram in the embodiment of the present invention after the printing of a kind of solar battery sheet anelectrode；
Fig. 2 is anelectrode close-up schematic view in the embodiment of the present invention；
Fig. 3 is the cross sectional representation of the A-A ' in Fig. 2；
Fig. 4 is the another kind of structural representation of embodiment of the present invention anelectrode；
The yet another construction schematic diagram that Fig. 5 is embodiment of the present invention anelectrode；
Wherein, 1: cell substrate；21: ground floor positive electrode grid line；22: second layer positive electrode grid line.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Shown in Fig. 1 and Fig. 2, the printing process of a kind of solar battery sheet that the embodiment of the present invention provides, it includes back electrode printing, back of the body electric field printing and the printing of anelectrode, the printing of described anelectrode is for repeatedly to print, and at least uses the Printing screen that two kinds of structures are different in the printing process of anelectrode.Being difficult to, for cell piece transformation efficiency in prior art, the defect improved further, this printing process can effectively improve the transformation efficiency of solar battery sheet.
Must carry out next step operation after printing the most again, particularly as follows: the printing of back electrode silver aluminium paste, drying baker is dried every time, back electric field aluminum pulp prints, and drying baker is dried, the slurry printing of anelectrode silver, drying baker is dried, and the anelectrode silver slurry second printing, cell piece dries sintering.
Fig. 1 show the schematic diagram after the printing of a kind of solar battery sheet anelectrode, and Fig. 2 is I enlarged schematic partial view in Fig. 1；Described positive electrode grid line is made up of double-layer structure, i.e. it is covered with second layer positive electrode grid line 22 in ground floor positive electrode grid line 21, the cross section, A-A ' of its concrete condition positive-electrode fine grid line as shown in Figure 3 is shown, line footpath size near the ground floor positive electrode grid line 21 of cell substrate 1 is more than the line footpath size of the second layer positive electrode grid line 22 away from gate electrode line, thus ensure upper electrode grid line during printing without making corresponding grid line width become big, i.e. the shading-area of cell piece is determined by the grid line size being close to cell piece.
Width is wanted relative to the web plate grid line line footpath when time anelectrode printing in the web plate grid line line footpath of a described front anelectrode printing, thus ensure, when the silver-colored slurry of time anelectrode printing can directly be increased on the anelectrode being printed on front one-step print, to reduce the illuminating area of cell piece without extravagance to substrate surface.
In the printing process of repeatedly anelectrode, after grid line printing position once identical with a front grid line printing position, the web plate of printing all can make by being accurately positioned of printer that the printing position of grid line is identical not to misplace.
The web plate that anelectrode printing for the second time is used only has the grid line structure of the thin grid line of print positive electrode, the thin grid line of a described second time anelectrode printing print positive electrode.
Fig. 4, Fig. 5 are the other two structural representation of anelectrode, the thin grid line part having certain intersection, the i.e. second printing between positive-electrode fine grid line and the anelectrode main gate line of the first impression of the second printing shown in Fig. 4 is overlapped in the anelectrode main gate line of the first impression；Positive electrode structure shown in Fig. 5 be the thin grid line that overprints of second time be continuous, it is connecting-type in the junction with the anelectrode main gate line of the first impression.
As can be seen from the above embodiments, embodiments provide the printing process of a kind of solar battery sheet, it includes back electrode printing, back of the body electric field printing and the printing of anelectrode, the printing of described anelectrode is for repeatedly to print, and at least uses the Printing screen that two kinds of structures are different in the printing process of anelectrode.Being difficult to, for cell piece transformation efficiency in prior art, the defect improved further, this printing process can effectively improve the transformation efficiency of solar battery sheet.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from the technology of the present invention principle; can also make some improvement and replacement, these improve and replace and also should be regarded as protection scope of the present invention.
Claims (3)
1. the printing process of a solar battery sheet, it includes back electrode printing, back of the body electric field printing and the printing of anelectrode, it is characterized in that, the printing of described anelectrode is for repeatedly to print, and at least uses the Printing screen that two kinds of structures are different in the printing process of anelectrode；Must carry out next step operation after printing the most again, particularly as follows: the printing of back electrode silver aluminium paste, drying baker is dried every time, back electric field aluminum pulp prints, and drying baker is dried, the slurry printing of anelectrode silver, drying baker is dried, and the anelectrode silver slurry second printing, cell piece dries sintering；Width is wanted relative to the web plate grid line line footpath when time anelectrode printing in the web plate grid line line footpath of a front anelectrode printing, thus ensure, when the silver-colored slurry of time anelectrode printing can directly be increased on the anelectrode being printed on front one-step print, to reduce the illuminating area of cell piece without extravagance to substrate surface.
The printing process of solar battery sheet the most according to claim 1, it is characterized in that, in the printing process of repeatedly anelectrode, after grid line printing position once identical with a front grid line printing position, the web plate of printing all can make by being accurately positioned of printer that the printing position of grid line is identical not to misplace.
The printing process of solar battery sheet the most according to claim 2, it is characterised in that the web plate that anelectrode printing for the second time is used only has the grid line structure of the thin grid line of print positive electrode, the thin grid line of a described second time anelectrode printing print positive electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210004508.XA CN103192619B (en) | 2012-01-09 | 2012-01-09 | A kind of printing process of solar battery sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210004508.XA CN103192619B (en) | 2012-01-09 | 2012-01-09 | A kind of printing process of solar battery sheet |
Publications (2)
| Publication Number | Publication Date |
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| CN103192619A CN103192619A (en) | 2013-07-10 |
| CN103192619B true CN103192619B (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210004508.XA Expired - Fee Related CN103192619B (en) | 2012-01-09 | 2012-01-09 | A kind of printing process of solar battery sheet |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856807B (en) * | 2016-04-06 | 2018-04-17 | 广东爱康太阳能科技有限公司 | A kind of crystal silicon solar energy battery printing equipment, typography and its battery twice |
| CN107146825A (en) * | 2017-06-22 | 2017-09-08 | 通威太阳能（合肥）有限公司 | Method for step-by-step printing of polycrystalline cell piece and step-by-step printing of polycrystalline cell piece |
| CN109616531A (en) * | 2018-12-03 | 2019-04-12 | 江苏中宇光伏科技有限公司 | The printing technology of silicon wafer in a kind of production of solar battery sheet |
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| CN101383390A (en) * | 2008-09-25 | 2009-03-11 | 江苏林洋新能源有限公司 | Crystal silicon solar cell scale production process using sintering furnace by secondary sintering |
| CN101908578A (en) * | 2009-06-02 | 2010-12-08 | 江西天能电力股份有限公司 | Method for manufacturing more than one solar cell with one silicon chip |
| CN102157573A (en) * | 2011-02-22 | 2011-08-17 | 江门尚日新能源有限公司 | Printed pattern of positive electrode of solar cell |
| CN102180043A (en) * | 2010-12-02 | 2011-09-14 | 江阴浚鑫科技有限公司 | Method for printing pattern on solar battery sheet |
| CN102185009A (en) * | 2010-12-02 | 2011-09-14 | 江阴浚鑫科技有限公司 | Screen printing sintering method and system for crystalline silicon solar cell |
| CN102214725A (en) * | 2010-04-01 | 2011-10-12 | 无锡尚德太阳能电力有限公司 | Printing screen for solar cell and method for producing solar cell |
| CN102231409A (en) * | 2011-07-07 | 2011-11-02 | 山东力诺太阳能电力股份有限公司 | Manufacturing method of solar cell sheet with color patterns |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09191118A (en) * | 1996-01-11 | 1997-07-22 | Shin Etsu Chem Co Ltd | Fabrication of solar cell |
| KR20110136180A (en) * | 2010-06-14 | 2011-12-21 | 삼성전자주식회사 | Method of forming electrode and method of manufacturing solar cell using the same |
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2012
- 2012-01-09 CN CN201210004508.XA patent/CN103192619B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383390A (en) * | 2008-09-25 | 2009-03-11 | 江苏林洋新能源有限公司 | Crystal silicon solar cell scale production process using sintering furnace by secondary sintering |
| CN101908578A (en) * | 2009-06-02 | 2010-12-08 | 江西天能电力股份有限公司 | Method for manufacturing more than one solar cell with one silicon chip |
| CN102214725A (en) * | 2010-04-01 | 2011-10-12 | 无锡尚德太阳能电力有限公司 | Printing screen for solar cell and method for producing solar cell |
| CN102180043A (en) * | 2010-12-02 | 2011-09-14 | 江阴浚鑫科技有限公司 | Method for printing pattern on solar battery sheet |
| CN102185009A (en) * | 2010-12-02 | 2011-09-14 | 江阴浚鑫科技有限公司 | Screen printing sintering method and system for crystalline silicon solar cell |
| CN102157573A (en) * | 2011-02-22 | 2011-08-17 | 江门尚日新能源有限公司 | Printed pattern of positive electrode of solar cell |
| CN102231409A (en) * | 2011-07-07 | 2011-11-02 | 山东力诺太阳能电力股份有限公司 | Manufacturing method of solar cell sheet with color patterns |
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| CN103192619A (en) | 2013-07-10 |
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