CN109941012A - The method of adjustment of the solar battery positive electrode printing parameter of screen process press - Google Patents
The method of adjustment of the solar battery positive electrode printing parameter of screen process press Download PDFInfo
- Publication number
- CN109941012A CN109941012A CN201910259917.6A CN201910259917A CN109941012A CN 109941012 A CN109941012 A CN 109941012A CN 201910259917 A CN201910259917 A CN 201910259917A CN 109941012 A CN109941012 A CN 109941012A
- Authority
- CN
- China
- Prior art keywords
- printing
- halftone
- parameter
- adjustment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Abstract
The invention discloses the methods of adjustment of the solar battery positive electrode printing parameter of screen process press, including screen process press, solar battery sheet, the screen process press includes halftone and printing platform, the halftone is located at right above printing platform, scraping article is provided with above the halftone, in screen printer print, parameter setting and method of adjustment pass through rationally setting adjustment silk screen spacing, scraping article descending depth, print speed printing speed, the parameter value of printing pressure adjusts the width of grid line, increase the depth-width ratio of grid line, reduce the loss of the power of battery as caused by grid line shading, biggish depth-width ratio increases grid line cross section simultaneously, resistance reduces, to reduce the power loss as caused by grid line resistance, ultimately facilitate the promotion of cell piece transfer efficiency, in actual use, it can be accurate, effective regulation and control positive electrode printing Weight in wet base, grid line printing width, it is ensured that good depth-width ratio, while can reduce crack piece, increasing halftone service life.
Description
Technical field
The present invention relates to solar energy crystal silicon battery technical fields, and in particular to the solar battery positive electrode of screen process press
The method of adjustment of printing parameter.
Background technique
For the production procedure of crystal-silicon solar cell, silkscreen process is last procedure, and is extremely closed
An important sequence, the good and bad positive and negative electrode that solar battery will be all formed by silk-screen printing, sintering of former procedure techniques
After could show completely.Meanwhile the process, for device hardware, software condition, printing parameter is adjusted, the type selecting of auxiliary material with
Matching, the operating method of employee and the requirement of sense of responsibility etc. are very strict.
Baccini silk-screen printing machine is a kind of positive and negative electrode and back surface field for solar energy crystal-silicon battery slice
Mainstream printing equipment, whole equipment consist of three parts, and are back electrode printing and drying part, the printing of back electric field and drying respectively
Partially, positive electrode printing part.Wherein positive electrode printing be key link, once the specification of positive electrode halftone, anode silver paste with
Model is selected, the most importantly setting and adjustment of printing parameter, and technology controlling and process point is printing weight in wet base, grid line width.
Influence positive electrode printing weight in wet base, grid line width major parameter there are four: Snap-Off (silk screen spacing), Down-
Stop (scraping article descending depth), PrintingSpeed (print speed printing speed), Pressure (printing pressure).In certain section, four
In a parameter if there are three parameter constant, silk screen spacing is raised, and printing weight in wet base increases, and grid line printing width narrows；It scrapes
Descending depth is smaller, and printing weight in wet base is heavier, and grid line printing width narrows；Print speed printing speed is faster, and printing weight in wet base is bigger, but speed
More than it is a certain amount of when, printing weight in wet base can reduce again；Printing pressure is smaller, and printing weight in wet base is bigger, too small, causes disconnected grid, empty print etc.
Print it is bad, it is excessive, easily cause cell piece crack and halftone damaged.If silk screen spacing is excessive or scraping article descending depth mistake
Small, then the grid that break increase, or even cause empty print；If silk screen spacing is too small or scraping article descending depth is excessive, under the depth-width ratio of grid line
Drop, or even grid line Side burrL is caused to increase, increase shading-area, while electrode resistance increases.Above-mentioned reason all will lead to load
Stream, which is collected, to be damaged, and has certain influence to the transfer efficiency of cell piece.
Therefore, in actual production process, how by comprehensively considering the setting of aforementioned four parameter, and according to work
Skill requires to weigh one-step print weight in wet base per hour, claims the printing weight in wet base of all four table tops every time, and measures respective mesa sintering
Preceding and sintered secondary grid width, adjusts, in time in light of the circumstances so that it is guaranteed that good printing quality, is current silk
Wire mark brush needs the key technology solved.
Summary of the invention
The present invention solves of the existing technology since screen process press is in solar battery positive electrode printing process
Such as cell piece crack present in parameter tuning process, the defects of halftone is damaged, grid line Side burrL increases and lead to carrier
The problem of collecting transfer efficiency that is impaired, influencing cell piece, provides the solar battery positive electrode printing parameter of screen process press
Method of adjustment, by the way that adjustment silk screen spacing, scraping article descending depth, print speed printing speed, printing pressure is rationally arranged when application
Parameter value adjusts the width of grid line, increases the depth-width ratio of grid line, reduces the loss of the power of battery as caused by grid line shading, simultaneously
Biggish depth-width ratio increases grid line cross section, resistance reduces, to reduce the power loss as caused by grid line resistance, finally
Be conducive to the promotion of cell piece transfer efficiency.
The invention is realized by the following technical scheme:
The method of adjustment of the solar battery positive electrode printing parameter of screen process press, including screen process press, solar energy
Cell piece, which is characterized in that the screen process press includes halftone and printing platform, the halftone be located at printing platform just on
It is square, scraping article is provided with above the halftone；Parameter setting and method of adjustment in screen printer print the following steps are included:
(1) it installs first, verify halftone, mode of printing is selected as first to print and scrapes slurry afterwards；
(2) adjustable range of silk screen distance values is set, and the movement of motor is, it is specified that with print on the parameters relationship to vertical direction
Brush table top is zero point, is positive downwards, so the parameter is a negative, under the premise of guaranteeing printing quality, halftone and printing
Table top spacing is the smaller the better, range is arranged are as follows: -1200~-1600 μm；
(3) adjustable range of scraping article descending depth value is set, it is specified that using halftone plane as zero point, is negative downwards, so this
A parameter is a negative, and under the premise of guaranteeing printing quality, scraping article descending depth is the smaller the better, range is arranged are as follows: -1000
~-1400 μm, in actual operation, although this value is not direct associated with silk screen distance values, if silk screen distance values
It changes, then needs this parameter of synchronous vacations；
(4) be arranged print speed printing speed value adjustable range, under the premise of guaranteeing printing quality, print speed printing speed degree it is more fast more
It is good, be conducive to improve production efficiency, range is set are as follows: 150~250mm/s；
(5) adjustable range of print pressure value is set, under the premise of guaranteeing printing quality, pressure is the smaller the better, for
New halftone, pressure setting is smaller when just starting printing is advisable, to prevent pressure is excessive from causing halftone damaged, with screen painting
Several increases is gradually reduced in the lower halftone tension that scrapes repeatedly of scraper, should be weighed printing weight in wet base in time at this time and be measured printing
Line width is gradually increased printing pressure as the case may be, guarantees the continuity of printing quality, and range is arranged are as follows: 60~80N,
Remaining parameter value remains unchanged.
Further, the method for adjustment of the solar battery positive electrode printing parameter of screen process press, the scraping article pass through
Parameter adjustment position can move up and down.
In conclusion it is of the invention following the utility model has the advantages that
1, the method for adjustment of the solar battery positive electrode printing parameter of screen process press of the present invention, by using above-mentioned ginseng
Number setting and method of adjustment, can accurate, effective regulation and control positive electrode print weight in wet base, grid line printing width, it is ensured that it is good
Good depth-width ratio.
2, the method for adjustment of the solar battery positive electrode printing parameter of screen process press of the present invention, by using above-mentioned ginseng
Setting and method of adjustment are counted, the bad printings such as disconnected grid, empty print can be controlled, while can reduce crack piece, increasing halftone use
Service life.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention.
Fig. 2 is schematic diagram when structure of the invention is printed.
Label and corresponding parts title in attached drawing:
1- screen process press, 2- solar battery sheet, 3- halftone, 4- printing platform, 5- scraping article.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment
As shown in Figure 1, the method for adjustment of the solar battery positive electrode printing parameter of screen process press, including silk-screen printing
Machine 1, solar battery sheet 2, which is characterized in that the screen process press 1 includes halftone 3 and printing platform 4, the halftone 3
Right above printing platform 4, scraping article 5 is provided with above the halftone；Parameter setting and adjustment in screen printer print
Mode of printing is selected as first to print and scrapes slurry afterwards by method the following steps are included: installation, verification halftone 3 first；It is arranged between silk screen
Adjustable range away from value (halftone 3 and 4 distance values of printing platform), on the parameters relationship to vertical direction motor movement, it is specified that
Using printing table as zero point, be positive downwards, so the parameter is a negative, under the premise of guaranteeing printing quality, halftone 3 with
4 spacing of printing platform is the smaller the better, range is arranged are as follows: -1200~-1600 μm；The adjusting model of 5 descending depth value of scraping article is set
It encloses, it is specified that being negative downwards using 3 plane of halftone as zero point, so this parameter is a negative, in the premise for guaranteeing printing quality
Under, scraping article descending depth is the smaller the better, and range is arranged are as follows: and -1000~-1400 μm, in actual operation, although this value is not straight
It connects associated with silk screen distance values, but if silk screen distance values change, needs this parameter of synchronous vacations；Setting print
The adjustable range of brush velocity amplitude, under the premise of guaranteeing printing quality, The faster the better for print speed printing speed degree, is conducive to improve production effect
Range is arranged are as follows: 150~250mm/s in rate；The adjustable range of print pressure value is set, under the premise of guaranteeing printing quality, pressure
Power is the smaller the better, and for new halftone (3), when just starting printing, pressure setting is smaller is advisable, to prevent pressure is excessive from causing halftone
(3) damaged, with the increase of halftone (3) print pass, it is gradually reduced in lower halftone (3) tension that scrapes repeatedly of scraper, at this time
Printing weight in wet base should be weighed in time and measures printing line width, be gradually increased printing pressure as the case may be, guaranteed printing quality
Range is arranged are as follows: 60~80N, remaining parameter value remain unchanged in continuity.The experimental data measured by certain actual production factory is such as
Under:
In table data be 156 monocrystalline production processes in experimental data collected, whole experiment process be changed without halftone and
Slurry, it is 43 μm that halftone pair grid, which design width, wherein the data in a-d column be screen painting to 1000 when it is four collected
The data of printing table, the data in the column of A-D tetra- be screen painting to 5000 when four printing tables collected data.
Using above-mentioned parameter setting and method of adjustment, in the case where not considering measurement error, so that four printing tables
Printing weight in wet base duplicate measurements fluctuation range control within 0.01g, this printing weight in wet base fluctuation is smaller, and average value is
0.119g complies fully with the requirement of technology controlling and process point.For secondary grid width, printing process control is more accurate, average before being sintered
Line width is about 61 μm, and duplicate measurements fluctuation range is within 6 μm；The line width that is averaged after sintering is about 71 μm, duplicate measurements wave
Dynamic range is sintered along with spreading, collapse when forming alloy with silicon under high temperature burning due to silver paste within 7 μm
Wide wide 10 μm or so than before sintering of secondary grid line.Under conditions of not having measurement grid line printing height, only pass through measurement
Printing width measures the depth-width ratio of grid line, and after reaching sintering using above-mentioned parameter setting 71 μm of mean breadth of grid of pair are one
Ideal value can guarantee certain depth-width ratio, and grid line two sides impulse- free robustness, while reducing shading-area, reduce
Grid line resistance ultimately facilitates the promotion of cell piece transfer efficiency.From the point of view of cell piece prints appearance, the grid that break are less, average every
Piece only has 2, and the appearance substantially without the bad printing situation such as empty print, crack.Moreover, the case where not considering improper factor
Under, the service life of halftone can reach 13000 sheet blocks.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (2)
1. the method for adjustment of the solar battery positive electrode printing parameter of screen process press, including screen process press (1), solar energy
Cell piece (2), which is characterized in that the screen process press (1) includes halftone (3) and printing platform (4), halftone (3) position
Right above printing platform (4), scraping article (5) are provided with above the halftone；In screen printer print parameter setting with
Method of adjustment the following steps are included:
(1) it installs first, verify halftone (3), mode of printing is selected as first to print and scrapes slurry afterwards；
(2) adjustable range of silk screen distance values (halftone (3) and printing platform (4) distance values) is set, and the parameters relationship is to vertically
The movement of motor is positive downwards, it is specified that using printing table as zero point on direction, so the parameter is a negative, is guaranteeing to print
Under the premise of brush quality, halftone (3) and printing platform (4) spacing are the smaller the better, range are arranged are as follows: -1200~-1600 μm；
(3) adjustable range of scraping article (5) descending depth value is set, it is specified that using halftone (3) plane as zero point, is negative downwards, so
This parameter is a negative, and under the premise of guaranteeing printing quality, scraping article descending depth is the smaller the better, and range is arranged are as follows:-
1000~-1400 μm, in actual operation, although this value is not direct associated with silk screen distance values, if between silk screen
It changes away from value, then needs this parameter of synchronous vacations；
(4) adjustable range of print speed printing speed value is set, and under the premise of guaranteeing printing quality, The faster the better for print speed printing speed degree, has
Conducive to production efficiency is improved, range is set are as follows: 150~250mm/s；
(5) adjustable range of print pressure value is set, and under the premise of guaranteeing printing quality, pressure is the smaller the better, for new net
Version (3), pressure setting is smaller when just starting printing is advisable, to prevent pressure is excessive from causing halftone (3) damaged, with halftone (3)
The increase of print pass is gradually reduced in lower halftone (3) tension that scrapes repeatedly of scraper, should weigh printing weight in wet base in time at this time simultaneously
Measurement printing line width, is gradually increased printing pressure as the case may be, guarantees the continuity of printing quality, range is arranged are as follows: 60
~80N, remaining parameter value remain unchanged.
2. the method for adjustment of the solar battery positive electrode printing parameter of screen process press according to claim 1, special
Sign is that the scraping article (5) adjusts position by parameter and can move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910259917.6A CN109941012A (en) | 2019-04-02 | 2019-04-02 | The method of adjustment of the solar battery positive electrode printing parameter of screen process press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910259917.6A CN109941012A (en) | 2019-04-02 | 2019-04-02 | The method of adjustment of the solar battery positive electrode printing parameter of screen process press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109941012A true CN109941012A (en) | 2019-06-28 |
Family
ID=67013405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910259917.6A Pending CN109941012A (en) | 2019-04-02 | 2019-04-02 | The method of adjustment of the solar battery positive electrode printing parameter of screen process press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109941012A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634133A (en) * | 2020-05-09 | 2020-09-08 | 浙江爱旭太阳能科技有限公司 | Method for adjusting solar cell grid line offset and application thereof |
| CN113284956A (en) * | 2021-04-08 | 2021-08-20 | 李铁 | Improved crystalline silicon solar cell printing process |
| CN115188859A (en) * | 2022-07-14 | 2022-10-14 | 通威太阳能（成都）有限公司 | Method for printing coating and solar cell |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203752663U (en) * | 2013-10-29 | 2014-08-06 | 宁夏银星能源股份有限公司 | Solar cell front electrode screen printing plate |
| CN107086056A (en) * | 2017-04-14 | 2017-08-22 | 北京市合众创能光电技术有限公司 | Preparation and typography for the front conductive silver slurry without net netting version printing |
| CN206765532U (en) * | 2017-03-23 | 2017-12-19 | 浙江爱旭太阳能科技有限公司 | A kind of solar cell silk screen printing is quick-witted to increase additivated device |
-
2019
- 2019-04-02 CN CN201910259917.6A patent/CN109941012A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203752663U (en) * | 2013-10-29 | 2014-08-06 | 宁夏银星能源股份有限公司 | Solar cell front electrode screen printing plate |
| CN206765532U (en) * | 2017-03-23 | 2017-12-19 | 浙江爱旭太阳能科技有限公司 | A kind of solar cell silk screen printing is quick-witted to increase additivated device |
| CN107086056A (en) * | 2017-04-14 | 2017-08-22 | 北京市合众创能光电技术有限公司 | Preparation and typography for the front conductive silver slurry without net netting version printing |
Non-Patent Citations (3)
| Title |
|---|
| 夏正宁，赵俊霞: "太阳能电池片中丝网印刷中的故障及解决方法", 《电子世界》 * |
| 牛源: "丝网印刷在晶体硅太阳电池中的应用研究", 《中国优秀硕士学位论文全文数据库•工程科技Ⅱ辑》 * |
| 胡子琦: "晶体硅太阳能电池丝网印刷工艺的研究", 《中国优秀硕士学位论文全文数据库•工程科技Ⅱ辑》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634133A (en) * | 2020-05-09 | 2020-09-08 | 浙江爱旭太阳能科技有限公司 | Method for adjusting solar cell grid line offset and application thereof |
| CN111634133B (en) * | 2020-05-09 | 2022-04-29 | 浙江爱旭太阳能科技有限公司 | Method for adjusting solar cell grid line offset and application thereof |
| CN113284956A (en) * | 2021-04-08 | 2021-08-20 | 李铁 | Improved crystalline silicon solar cell printing process |
| CN115188859A (en) * | 2022-07-14 | 2022-10-14 | 通威太阳能（成都）有限公司 | Method for printing coating and solar cell |
| CN115188859B (en) * | 2022-07-14 | 2024-03-29 | 通威太阳能（成都）有限公司 | Method for printing coating and solar cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109941012A (en) | The method of adjustment of the solar battery positive electrode printing parameter of screen process press | |
| CN203864162U (en) | Devices for conducting silk-screen printing on base plate for production of solar cell and solar cell production device | |
| CN108493267B (en) | A kind of crystal silicon selective emitter industrialization printing contraposition method | |
| CN102555562A (en) | Printing process of solar battery plate | |
| CN106972065B (en) | Using the p-type PERC double-sided solar battery and preparation method of laser labelling contraposition | |
| CN102510668A (en) | Super thick copper PCB plate production method and its circuit board | |
| DE112006003567T5 (en) | A method of forming electrical contacts on a semiconductor wafer using a phase change ink | |
| CN109904249A (en) | P-type PERC double-sided solar battery back side figure aligns printing process, preparation method and battery | |
| Chen et al. | Improved front side metallization for silicon solar cells by direct printing | |
| CN202293598U (en) | Precision screen printing machine | |
| CN207173014U (en) | A kind of screen printing scraper of solar battery sheet | |
| Richter et al. | Progress in fine-line metallization by co-extrusion printing on cast monosilicon PERC solar cells | |
| CN208690277U (en) | A kind of p-type SE-PERC double-sided solar battery | |
| CN103568517B (en) | A kind of scraper for silk-screen printing being convenient to the adjustment returning charge wing | |
| CN206098422U (en) | A support plate for preparation of heterojunction solar cell | |
| CN104868009B (en) | The manufacture method of solar cell | |
| CN107275246B (en) | The evaluation method of the measuring method and cell piece printing quality of solar battery pair grid shading rate correction factor and secondary grid shading rate | |
| CN102569503A (en) | Method for evaluating height-to-width ratio of auxiliary grid line of crystalline silicon solar cell | |
| CN206765532U (en) | A kind of solar cell silk screen printing is quick-witted to increase additivated device | |
| CN205836207U (en) | Solaode substep printing main grid web plate | |
| CN203317862U (en) | Gate line printing unit | |
| CN107086056A (en) | Preparation and typography for the front conductive silver slurry without net netting version printing | |
| CN206312876U (en) | A kind of board-like PECVD graphite carrying plates | |
| CN206840923U (en) | A kind of positive electrode half tone of cost efficiency | |
| CN111180531A (en) | Method for preparing front side auxiliary grid electrode of solar cell through 3D printing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190628 |
|
| RJ01 | Rejection of invention patent application after publication |