CN103171264B - A kind of electrode of solar battery Printing screen - Google Patents
A kind of electrode of solar battery Printing screen Download PDFInfo
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- CN103171264B CN103171264B CN201110436195.0A CN201110436195A CN103171264B CN 103171264 B CN103171264 B CN 103171264B CN 201110436195 A CN201110436195 A CN 201110436195A CN 103171264 B CN103171264 B CN 103171264B
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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 present invention discloses a kind of electrode of solar battery Printing screen, includes metal mold screen frame, silk screen and web plate, and described web plate is divided into upper strata thin slice and lower sheet, and wherein, upper strata thin slice and lower sheet are sheet metal, and its surface is flat shape; The blade face of sheet metal workspace, described upper strata is provided with printed patterns, and be provided with mesh in printed patterns, this mesh can be arranged to any shape; Described subjacent metal sheet workspace silicon face is provided with printed patterns, and be open.Electrode of solar battery Printing screen of the present invention is the surfacing of the form that double-level-metal web plate combines, web plate, and in printing process, metallic plate distortion is little, and due to its two-layer special construction, the grid line uniform ground obtained after making one-step print.In addition, the present invention does not adopt traditional photopolymer, and electrocondution slurry is little to its damage, can ensure higher repeatability.
Description
Technical field
The invention belongs to crystal silicon solar energy battery production technical field, particularly relate to a kind of electrode of solar battery Printing screen.
Background technology
Along with the fast development of economy, the consumption of the energy is increasing, the storage capacity of the non-renewable resources such as coal and oil reduces day by day, and this impels people to the continuous exploration of new forms of energy (as nuclear energy, solar energy, wind energy, biomass energy, geothermal energy, ocean energy, Hydrogen Energy etc.).Wherein, as the source of energy many on the earth, solar energy occupies consequence in the research of new forms of energy, the development of solar battery technology is more and more faster, although the forms of electricity generation such as the firepower that its cost is relatively traditional at present will exceed a lot, but advocating the 21 century of low-carbon economy energetically, the research of solar battery technology will be one, energy research field key player.
The transformation efficiency improving solar cell is a main target of current solar cell research, except the improvement of the selection to cell substrate material, substrate manufacture craft, the electrode of solar battery making excellent performance also can bring good effect to the transformation efficiency of battery.
As the important step that crystal silicon cell makes, the performance of printing quality on final cell piece of electrode of solar battery printing has very large impact.And the factor affecting printing quality is except the destabilizing factor that printing machine exists, the performance of Printing screen itself has also had a strong impact on final printing quality.At present, electrode print adopts traditional serigraphy, and it mainly exists following problem:
1, silk screen plate itself has the longitude and latitude node of braiding, and in printing process, it can cause the thin grid line wire diameter of cell piece after printing uneven to the effect of printing slurry;
2, silk screen plate thickness is wayward, is difficult to realize meticulous film printing;
3, some composite halftones are coated with photopolymer, and o photopolymerizable material is soft, hardness is little, easy damaged.The transformation efficiency of what these factors were all direct or indirect affect solar energy.
Therefore, the solar energy electrode Printing screen that industry is badly in need of exploring a kind of stable performance solves current electrode print problems faced.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of electrode of solar battery Printing screen, to solve, traditional printing screen printing thin grid line wire diameter is uneven, print thickness is wayward and the o photopolymerizable material of composite halftone is soft, hardness is little, the problems such as easy damaged.
For achieving the above object, technical scheme of the present invention is:
A kind of electrode of solar battery Printing screen, include metal mold screen frame, silk screen and web plate, described web plate is divided into upper strata thin slice and lower sheet, and wherein, upper strata thin slice and lower sheet are sheet metal, and the surface of sheet metal is flat shape; The blade face of sheet metal workspace, described upper strata is provided with printed patterns, and be provided with mesh in printed patterns, this mesh can be arranged to any shape; Described subjacent metal sheet workspace silicon face is provided with printed patterns, and be open.
Further, the printed patterns on described subjacent metal sheet overlaps just with the printed patterns on the sheet metal of described upper strata, and the printed patterns on described subjacent metal sheet covers the edge of printed patterns on the sheet metal of described upper strata.
Further, described upper and lower layer thin slice is etching, electroforming or laser cut metal sheet, and wherein this sheet metal is nickel sheet, ferronickel sheet stainless steel or other alloy sheet.
Further, the shape of described mesh is rectangle, rhombus, circle or regular polygon.
Further, described web plate is fixed on screen frame by silk screen, or is directly fixed on screen frame.
Further, described upper strata thin slice is electroforming metal sheet, and lower sheet is etching metal sheet, and wherein this sheet metal is nickel sheet.
Electrode of solar battery Printing screen of the present invention is the surfacing of the form that double-level-metal web plate combines, web plate, and in printing process, metallic plate distortion is little, and due to its two-layer special construction, the grid line uniform ground obtained after making one-step print.In addition, the present invention does not adopt traditional photopolymer, and electrocondution slurry is little to its damage, can ensure higher repeatability.
Accompanying drawing explanation
Fig. 1 is the structural diagrams of electrode of solar battery Printing screen of the present invention.
Fig. 2 be in one embodiment of the invention main gate line along A-A ' in Fig. 1 to the cross section view of cutting.
Fig. 3 be in another embodiment of the present invention main gate line along A-A ' in Fig. 1 to the cross section view of cutting.
Fig. 4 be embodiment illustrated in fig. 2 in thin grid line along B-B ' in Fig. 1 to the cross section view of cutting.
Fig. 5 be embodiment illustrated in fig. 3 in thin grid line along B-B ' in Fig. 1 to the cross section view of cutting.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to shown in Fig. 1 to Fig. 5, electrode of solar battery Printing screen of the present invention includes metal mold screen frame 11, silk screen 12 and web plate 13.Wherein, web plate 13 is fixed on screen frame 11 by silk screen 12, or is directly fixed on screen frame 11.Described web plate 13 is divided into upper strata thin slice and lower sheet, and wherein, upper strata thin slice (21,31) and lower sheet (22,32) are sheet metal, and the surface of sheet metal is flat shape.Described upper and lower layer thin slice is etching, electroforming or laser cut metal sheet, and wherein this sheet metal is nickel sheet, ferronickel sheet stainless steel or other alloy sheet.The blade face of upper strata sheet metal (21, the 31) workspace 131 of described web plate 13 is provided with printed patterns, and be provided with mesh (211,311) in printed patterns, this mesh can be arranged to any shape.In embodiments of the present invention, the shape of described mesh is rectangle, rhombus, circle or regular polygon; Subjacent metal sheet (22, the 32) workspace 131 of described web plate 13 silicon face is provided with printed patterns, and be open; Wherein, printed patterns on described subjacent metal sheet (22,32) overlaps just with the printed patterns on described upper strata sheet metal (21,31), and the printed patterns on described subjacent metal sheet (22,32) covers the edge of the upper printed patterns of described upper strata sheet metal (21,31).
As one embodiment of the invention, please refer to shown in Fig. 2, Fig. 4, wherein said web plate 13 is divided into two-layer, and its levels is sheet metal, and the surface of sheet metal is flat shape.Described upper strata thin slice 21 is electroforming metal sheet, and lower sheet 22 is etching metal sheet, and wherein this sheet metal is nickel sheet; And described web plate 13 upper strata sheet metal 21 is provided with printed patterns in the blade face of its workspace 131, in this printed patterns, be provided with mesh 211.In the present embodiment, described mesh 211 is rhombus.The subjacent metal sheet 22 of described web plate 13 is provided with printed patterns in its workspace 131 on silicon face, and is open; Printed patterns on described subjacent metal sheet 22 overlaps just with the printed patterns on described upper strata sheet metal 21.
As another embodiment of the present invention, please refer to shown in Fig. 3, Fig. 5, wherein, described web plate 13 is divided into two-layer, and its levels is sheet metal, and the surface of sheet metal is set to flat shape.Described upper strata thin slice 31 and lower sheet 32 are electroforming metal thin slice, and wherein this sheet metal is ferronickel sheet.The upper strata sheet metal 31 of described web plate 13 is provided with printed patterns in the blade face of workspace 131, is provided with mesh 311 in printed patterns.In the present embodiment, the shape of this mesh 311 is circular; The subjacent metal sheet 32 of described web plate 13 is provided with printed patterns in workspace 131 on silicon face, and is open.Printed patterns on described subjacent metal sheet 32 covers the edge of the printed patterns on described upper strata sheet metal 31.
Electrode of solar battery Printing screen of the present invention is arranged to the form that double-level-metal web plate combines, the surfacing of web plate, and in printing process, metallic plate distortion is little, and due to its two-layer special construction, the grid line uniform ground obtained after making one-step print; In addition, the present invention does not adopt traditional photopolymer, and electrocondution slurry is little to its damage, can ensure higher repeatability.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. an electrode of solar battery Printing screen, include metal mold screen frame, silk screen and web plate, it is characterized in that: described web plate is divided into upper strata thin slice and lower sheet, wherein, upper strata thin slice and lower sheet are sheet metal, and the surface of sheet metal is flat shape; The blade face of thin slice workspace, described upper strata is provided with printed patterns, and be provided with mesh in printed patterns, this mesh can be arranged to any shape; Described lower sheet workspace silicon face is provided with printed patterns, and be open.
2. electrode of solar battery Printing screen as claimed in claim 1, it is characterized in that: the printed patterns in described lower sheet overlaps just with the printed patterns on the thin slice of described upper strata, and the printed patterns in described lower sheet covers the edge of printed patterns on the thin slice of described upper strata.
3. electrode of solar battery Printing screen as claimed in claim 1, is characterized in that: described upper and lower layer thin slice is etching, electroforming or laser cut metal sheet, and wherein this sheet metal is nickel sheet, ferronickel sheet stainless steel or other alloy sheet.
4. electrode of solar battery Printing screen as claimed in claim 3, is characterized in that: the shape of described mesh is rectangle, rhombus, circle or regular polygon.
5. electrode of solar battery Printing screen as claimed in claim 4, is characterized in that: described web plate is fixed on metal mold screen frame by silk screen, or is directly fixed on metal mold screen frame.
6. electrode of solar battery Printing screen as claimed in claim 5, it is characterized in that: described upper strata thin slice is electroforming metal sheet, lower sheet is etching metal sheet, and wherein this sheet metal is nickel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110436195.0A CN103171264B (en) | 2011-12-23 | 2011-12-23 | A kind of electrode of solar battery Printing screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110436195.0A CN103171264B (en) | 2011-12-23 | 2011-12-23 | A kind of electrode of solar battery Printing screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103171264A CN103171264A (en) | 2013-06-26 |
| CN103171264B true CN103171264B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110436195.0A Expired - Fee Related CN103171264B (en) | 2011-12-23 | 2011-12-23 | A kind of electrode of solar battery Printing screen |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029469A (en) * | 2014-06-04 | 2014-09-10 | 浙江尖山光电股份有限公司 | Screen printing plate for solar battery and method of manufacturing solar battery |
| CN104332506B (en) * | 2014-09-30 | 2017-01-11 | 信阳师范学院 | Photovoltaic cell and printing screen plate used for printing gate lines of photovoltaic cell |
| CN104802508A (en) * | 2015-05-05 | 2015-07-29 | 广东爱康太阳能科技有限公司 | Crystalline silicon solar cell anode screen board |
| JP6971579B2 (en) * | 2017-01-27 | 2021-11-24 | 株式会社村田製作所 | Combination screen version for contact printing |
| CN110039883A (en) * | 2019-05-15 | 2019-07-23 | 沃苏特电子科技（苏州）有限公司 | A kind of production method of metal alloy composite halftone |
| CN113594293A (en) * | 2021-07-02 | 2021-11-02 | 深圳纳弘熠岦光学科技有限公司 | Solar cell electrode manufacturing method and solar cell |
| CN113524885B (en) * | 2021-07-17 | 2022-07-08 | 江苏本川智能电路科技股份有限公司 | Thick copper plate solder mask printing equipment and printing method thereof |
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| JPH05201164A (en) * | 1992-01-25 | 1993-08-10 | Think Lab Kk | Screen printing plate for printing wiring board |
| JP3529240B2 (en) * | 1997-04-16 | 2004-05-24 | 山一電機株式会社 | Screen plate manufacturing method |
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| CN101100128A (en) * | 2006-07-04 | 2008-01-09 | 正中印刷器材股份有限公司 | Electroforming foiled film screen-board |
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| CN103171264A (en) | 2013-06-26 |
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