CN202428772U - Solar cell electrode printing screen - Google Patents
Solar cell electrode printing screen Download PDFInfo
- Publication number
- CN202428772U CN202428772U CN2011205448196U CN201120544819U CN202428772U CN 202428772 U CN202428772 U CN 202428772U CN 2011205448196 U CN2011205448196 U CN 2011205448196U CN 201120544819 U CN201120544819 U CN 201120544819U CN 202428772 U CN202428772 U CN 202428772U
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- China
- Prior art keywords
- grid line
- printing screen
- electrode
- screen plate
- solar battery
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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 provides a solar cell electrode printing screen which comprises an outer frame, a screen body and a screen mesh. The outer frame is connected with the screen body by the screen mesh, and a working area of the screen body is polygonal. The solar cell battery printing screen is characterized in that main grid lines and thin grid lines which are perpendicular mutually are arranged in the working area, and a plurality of square grids are disposed in each main grid line. The structure of the printing screen is modified, particularly, the grid structure of the grid lines of the screen is modified, printing quality of electrodes of cells is improved, and accordingly conversion efficiency of the solar cells is enhanced.
Description
Technical field
The utility model belongs to solar cell and makes the field, is specifically related to a kind of electrode of solar battery printing screen plate.
Background technology
When non-renewable energy resources such as electric power, coal, oil signal for help repeatedly, when energy problem became the bottleneck of restriction international community economic development day by day, more and more countries came into effect " sunlight program ", and the exploitation solar energy resources is sought the new power of economic development.Solar cell had obtained development fast as a core technology content of solar energy research in recent years, and the lifting demand of conversion ratio is also increasingly high to the requirement of electrode of solar battery.
Serigraphy is an important procedure of producing solar cell, and its printing quality (thickness, width, uniformity) influences the technical indicator of battery sheet, and the research and development of serigraphy are the important channels of improving conversion efficiency.About the thin grid line live width 100 μ m of electrode of serigraphy at present, behind oversintering, its height is about 15 μ m.The average conversion efficiency of its pairing solar cell is about 17.0%-17.5, and the highest level that this and laboratory reach 24.75% has bigger difference.In order to make the thin grid line live width of electrode that obtains of printing littler; People consider the thin grid line reductions of printing screen little; But the shortcoming below thereupon inevitably having brought: the thin grid line mesh of silk screen version is prone to stop up; Breakpoint appears after causing printing, promptly empty seal, even when printing, rupture owing to unbalance stress causes silk screen version grid line.Silk screen version body has the longitude and latitude node of braiding in addition, and in printing process, the thin grid line live width of battery sheet after its effect to the printing slurry can cause printing is uneven.These factors all have a strong impact on the transformation efficiency of solar energy.
Therefore, the printing screen plate that preparation has Rational structure improves the electrode of solar battery printing effect, and it is vital improving the solar cell transformation efficiency.
The utility model content
The purpose of the utility model is the deficiency to prior art, and the structure of Printing screen is improved, and particularly the network of half tone grid line is improved, and improves the battery electrode printing quality, thereby improves the transformation efficiency of solar cell.
For achieving the above object, the utility model adopts following technical scheme:
A kind of electrode of solar battery printing screen plate; Comprise housing, version body and the silk screen that connects said housing and half tone; The working region of said version body is a polygon, is provided with orthogonal main grid line and thin grid line in the said working region, is provided with the plurality of square grid in the said main grid line.Said square net, with respect to existing diamond-shaped meshes, to the active force basically identical of silver slurry, spillage is effective around it.
Said square net is made up of two groups of mutually perpendicular grid lines, and wherein one group of angle with the main body grid line of main grid line both sides is 10-85 °.The grid lines through will constituting mesh and the main body grid line of main grid line both sides are designed to certain angle, can strengthen the force intensity that receives of main grid line.
Wherein, preferably, said square net is made up of two groups of mutually perpendicular grid lines, and wherein one group of angle with the main body grid line of main grid line both sides is 45-75 °.
Organize in the said grid lines at each, said grid wire spacing is 50 μ m-100 μ m.
Said grid lines line directly is 5 μ m-30 μ m.
Be provided with in the said thin grid line and be the grid lines that splayed is extended.
Preferably; The said line that is the grid lines of splayed extension directly is 5-30 μ m; The said angle that is grid lines that splayed extends and the main body grid line of thin grid line both sides is 10-85 °, and the said adjacent center distance that is the grid lines that splayed extends is 50-90 μ m.The Stability Analysis of Structures of splayed bridging design, reasonably design bridging spacing and with the angle of the main body grid line of thin grid line, not only can guarantee good printing effect, can also guarantee not easy fracture of thin grid line.
Said working region is square or octagon.
The utility model is through having following beneficial effect: (1) increases the force intensity that receives of half tone through the improvement to half tone main grid line structure, makes the bigger squeegee pressure of half tone chengman foot, thereby is easier to the printing of electrode of solar battery; (2) through improvement to the thin grid line structure of half tone, help printing the spillage of slurry, be difficult for producing mesh and stop up; (3) said half tone version body adopts one or more combinations in etching, cut, electroforming and the electrolytic brightening process and processes, and this type of half tone has the characteristic of the wide sliding smooth no node in surface, and this makes that the printed grid line that goes out is more even.
Description of drawings
Fig. 1 is the overall structure figure of an embodiment of the utility model;
Fig. 2 is the overall structure figure of the another kind of embodiment of the utility model;
Fig. 3 is the enlarged diagram of the A portion among Fig. 1 and Fig. 2;
Fig. 4 is the enlarged diagram of the B portion among Fig. 1;
Fig. 5 is the enlarged diagram of the C portion among Fig. 2.
The specific embodiment
For structure, characteristic and effect thereof to the utility model, can have and further understand and be familiar with, lift a preferred embodiment at present, and be described with reference to the accompanying drawings as follows:
As shown in Figure 1, the described a kind of electrode of solar battery printing screen plate of the utility model comprises: housing 1, the version body 2 of printing screen plate, and the silk screen 4 that connects housing 1 and printing screen plate 2.Said half tone version body 2 generally be meant through technology such as etching, cut, electroforming, electropolishing or wherein several kinds of technologies combine made half tones, this type of half tone has the characteristic of the wide sliding smooth no node in surface.The working region 3 of half tone is a square, is provided with orthogonal main grid line 31 and thin grid line 32 in the said working region 3.
As shown in Figure 3; The main grid line 31 of said half tone is that a series of square nets 310 constitute; Said grid is made up of two groups of orthogonal grid lines 311; Said grid lines 311 lines directly are 22 μ m, and wherein a networking ruling 311 is 22.5 ° with main grid line 31 subject angle, and 311 distances of every networking ruling are 78 μ m.
As shown in Figure 4, thin grid line 32 adopts splayed bridging design, and bridging joins end to end, and constituting splay grid lines 321 lines directly is 15 μ m, and center distance h1 is 50 μ m, and it is 30 ° with thin grid line 32 subject angle α 1.
As shown in Figure 2, the sketch map of the described a kind of electrode of solar battery printing screen plate of the utility model comprises: housing 1, the version body 2 of printing screen plate, and the silk screen 4 that connects housing 1 and printing screen plate 2.Said half tone version body 2 generally be meant through technology such as etching, cut, electroforming, electropolishing or wherein several kinds of technologies combine made half tones; This type of half tone has the characteristic of the wide sliding smooth no node in surface; The working region 3 of half tone is octagon (a remaining figure behind four angles of square excision as shown in Figure 1), is provided with orthogonal main grid line 31 and thin grid line 32 in the said working region 3.
As shown in Figure 3, the main grid line 31 of said half tone is made up of two groups of orthogonal grid lines 311 for a series of square nets 310 constitute said grid, and said grid lines 311 lines directly are 20 μ m, and wherein a networking ruling 311 is 45 ° with the angle of main body grid line.311 distances of grid lines are being 80 μ m.
As shown in Figure 5, thin grid line 32 adopts splayed bridging design, and bridging joins end to end, and constituting splay grid lines 322 lines directly is 15 μ m, and center distance h2 is 84 μ m, and its angle [alpha] 2 with the main body grid line of thin grid line 32 both sides is 45 °.
The above is merely the preferred embodiment of the utility model; It is not the practical range that limits the utility model with this; Allly be familiar with this operator; The principle and the technical characterictic of utilization the utility model, various changes and the decoration done all should be covered by within the protection category that these claims define.
Claims (10)
1. electrode of solar battery printing screen plate; Comprise housing, version body and the silk screen that connects said housing and half tone; The working region of said version body is a polygon; It is characterized in that, be provided with orthogonal main grid line and thin grid line in the said working region, be provided with square net in the said main grid line.
2. a kind of electrode of solar battery printing screen plate as claimed in claim 1 is characterized in that said square net is made up of two groups of mutually perpendicular grid lines, and wherein one group of angle with the main body grid line of main grid line both sides is 10-85 °.
3. a kind of electrode of solar battery printing screen plate as claimed in claim 2 is characterized in that said square net is made up of two groups of mutually perpendicular grid lines, and wherein one group of angle with the main body grid line of main grid line both sides is 45-75 °.
4. a kind of electrode of solar battery printing screen plate as claimed in claim 2 is characterized in that, in each networking ruling, the grid element center distance is 50 μ m-100 μ m.
5. a kind of electrode of solar battery printing screen plate as claimed in claim 2 is characterized in that, said grid lines line directly is 5 μ m-30 μ m.
6. a kind of electrode of solar battery printing screen plate as claimed in claim 1 is characterized in that, is provided with in the said thin grid line to be the grid lines that splayed is extended.
7. a kind of electrode of solar battery printing screen plate as claimed in claim 6 is characterized in that, the said line that is the grid lines of splayed extension directly is 5-30 μ m.
8. a kind of electrode of solar battery printing screen plate as claimed in claim 6 is characterized in that, the said angle that is grid lines that splayed extends and the main body grid line of thin grid line both sides is 10-85 °.
9. a kind of electrode of solar battery printing screen plate as claimed in claim 6 is characterized in that, the said adjacent center distance that is the grid lines that splayed extends is 50-90 μ m.
10. a kind of electrode of solar battery printing screen plate as claimed in claim 1 is characterized in that said working region is square or octagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205448196U CN202428772U (en) | 2011-12-23 | 2011-12-23 | Solar cell electrode printing screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205448196U CN202428772U (en) | 2011-12-23 | 2011-12-23 | Solar cell electrode printing screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202428772U true CN202428772U (en) | 2012-09-12 |
Family
ID=46778243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205448196U Expired - Fee Related CN202428772U (en) | 2011-12-23 | 2011-12-23 | Solar cell electrode printing screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202428772U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158342A (en) * | 2013-03-05 | 2013-06-19 | 天津英利新能源有限公司 | Silk net for printing solar cell slice |
| CN103171262A (en) * | 2011-12-23 | 2013-06-26 | 昆山允升吉光电科技有限公司 | Solar energy battery electrode printing screen plate |
| CN103332000A (en) * | 2013-06-22 | 2013-10-02 | 浙江鸿禧光伏科技股份有限公司 | Screen printing plate design method special for improving grid line shaping |
| CN103381700A (en) * | 2013-06-24 | 2013-11-06 | 赫日光电（苏州）有限公司 | Composite screen printing plate capable of reducing cost |
| CN103386809A (en) * | 2012-05-08 | 2013-11-13 | 正中科技股份有限公司 | Solar cell printing screen |
| CN104015472A (en) * | 2013-03-01 | 2014-09-03 | 昆山允升吉光电科技有限公司 | Silk screen for printing and application method of silk screen |
| CN104015471A (en) * | 2013-03-01 | 2014-09-03 | 昆山允升吉光电科技有限公司 | Solar silk screen |
| CN104275915A (en) * | 2014-10-31 | 2015-01-14 | 英利集团有限公司 | Production method of solar battery screen printing plate and solar battery screen printing plate |
| CN104641474A (en) * | 2012-11-12 | 2015-05-20 | 三菱电机株式会社 | Method for manufacturing solar cell, printing mask, solar cell, and solar cell module |
-
2011
- 2011-12-23 CN CN2011205448196U patent/CN202428772U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171262A (en) * | 2011-12-23 | 2013-06-26 | 昆山允升吉光电科技有限公司 | Solar energy battery electrode printing screen plate |
| CN103171262B (en) * | 2011-12-23 | 2015-11-25 | 昆山允升吉光电科技有限公司 | A kind of electrode of solar battery printing screen plate |
| CN103386809A (en) * | 2012-05-08 | 2013-11-13 | 正中科技股份有限公司 | Solar cell printing screen |
| CN104641474A (en) * | 2012-11-12 | 2015-05-20 | 三菱电机株式会社 | Method for manufacturing solar cell, printing mask, solar cell, and solar cell module |
| CN104641474B (en) * | 2012-11-12 | 2016-08-17 | 三菱电机株式会社 | The manufacture method of solar cell, mask to print, solar cell and solar module |
| CN104015472A (en) * | 2013-03-01 | 2014-09-03 | 昆山允升吉光电科技有限公司 | Silk screen for printing and application method of silk screen |
| CN104015471A (en) * | 2013-03-01 | 2014-09-03 | 昆山允升吉光电科技有限公司 | Solar silk screen |
| CN103158342B (en) * | 2013-03-05 | 2015-07-15 | 天津英利新能源有限公司 | Silk net for printing solar cell slice |
| CN103158342A (en) * | 2013-03-05 | 2013-06-19 | 天津英利新能源有限公司 | Silk net for printing solar cell slice |
| CN103332000A (en) * | 2013-06-22 | 2013-10-02 | 浙江鸿禧光伏科技股份有限公司 | Screen printing plate design method special for improving grid line shaping |
| CN103332000B (en) * | 2013-06-22 | 2017-03-22 | 浙江鸿禧能源股份有限公司 | Screen printing plate design method special for improving grid line shaping |
| CN103381700A (en) * | 2013-06-24 | 2013-11-06 | 赫日光电（苏州）有限公司 | Composite screen printing plate capable of reducing cost |
| CN104275915A (en) * | 2014-10-31 | 2015-01-14 | 英利集团有限公司 | Production method of solar battery screen printing plate and solar battery screen printing plate |
| CN104275915B (en) * | 2014-10-31 | 2017-04-05 | 英利集团有限公司 | A kind of manufacture method and solaode half tone of solaode half tone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20151223 |
|
| EXPY | Termination of patent right or utility model |