CN202428777U - Solar screen plate - Google Patents

Solar screen plate Download PDF

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Publication number
CN202428777U
CN202428777U CN2012200065591U CN201220006559U CN202428777U CN 202428777 U CN202428777 U CN 202428777U CN 2012200065591 U CN2012200065591 U CN 2012200065591U CN 201220006559 U CN201220006559 U CN 201220006559U CN 202428777 U CN202428777 U CN 202428777U
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CN
China
Prior art keywords
web plate
grid line
solar energy
thin grid
rice
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.)
Expired - Fee Related
Application number
CN2012200065591U
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Chinese (zh)
Inventor
魏志凌
高小平
赵录军
张炜平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Power Stencil Co Ltd
Original Assignee
Kunshan Power Stencil Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan Power Stencil Co Ltd filed Critical Kunshan Power Stencil Co Ltd
Priority to CN2012200065591U priority Critical patent/CN202428777U/en
Application granted granted Critical
Publication of CN202428777U publication Critical patent/CN202428777U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The utility model relates to the field of solar photovoltaic manufacturing, and discloses a solar screen plate which only has a thin grid line structure without a main grid line structure, wherein a pattern which is formed by thin grid lines consists of an array which has the shape of the Chinese character 'mi'. The solar screen plate provided by the utility model has a special structure, utilizes the topological principle, the electrode grid line which is printed by the solar screen plate has the advantages of strong current collection capability and high transmission speed, and the conversion efficiency of a solar cell can be effectively improved.

Description

A kind of solar energy web plate
Technical field
The present invention relates to photovoltaic and make the field, be specifically related to a kind of Printing screen, what be specifically related to is a kind of solar energy web plate.
Background technology
Current, along with the continuous development of silicon solar cell technologies, to pursue cheaply simultaneously, industry requires increasingly high to Solar cell performance.
Solar cell is made and is mainly comprised following step: the silicon chip cutting, and material is prepared; Remove the damage layer; Making herbs into wool; Diffusion system knot; Edge etching, cleaning; The deposition antireflection layer; The printing upper/lower electrode; Burn altogether and form Metal Contact; The battery built-in testing.Wherein the printing of electrode has very large influence to the performance of battery, and the electrode of high-quality performance can effectively improve the transformation efficiency of solar cell to a certain extent.
Traditional positive electrode Printing screen constitutes by some main grid lines and some thin grid lines are vertical each other.Shown in Figure 1 is the sketch map of 156 * 156 crystal silicon solar energy battery positive electrode web plates, and it constitutes by 3 main grid lines 11 and some thin grid lines 12 are vertical each other.The electrode main grid line live width that the traditional screen printing of this kind goes out runs through the entire cell sheet greatly and almost, and its large tracts of land has hidden the illuminating area of battery sheet, thereby has reduced solar energy utilization rate.The people in the industry is devoted to reduce to print the line footpath width of thin grid line always, thereby increases effective illuminating area of battery sheet, but the electric current collection ability of the grid line structure that prints electrode intrinsic is difficult to further improve again.
Summary of the invention
The technical problem that (one) will solve
The technical problem that the present invention will solve provides a kind of solar battery sheet positive electrode web plate, and its grid line structure can strengthen the capacity gauge of electric current to improve solar cell heat energy transformation efficiency.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of solar energy web plate, said solar energy web plate only has thin grid line structure and dereliction grid line structure; The pattern that said thin grid line constitutes is made up of " rice " font array.
Preferred as technique scheme; Evenly be provided with a plurality of ray points on " rice " word limit in said " rice " font array; Said ray point is provided with the thin grid line of dispersing to the both sides extension, and adjacent the said of centre, " rice " word limit dispersed thin grid line for laterally arranging.
Preferred as technique scheme, the width dimensions of thin grid line is 20~100um on the said web plate.
Preferred as technique scheme, the width dimensions of said thin grid line is 30~70um.
Preferred as technique scheme, the thickness of said web plate is 20~80um.
Preferred as technique scheme, the thickness of said web plate is 25~50um.
Preferred as technique scheme, said solar energy web plate is the single or multiple lift structure, wherein has at least between the thin grid line opening of one deck connection is arranged.
Preferred as technique scheme, said solar energy web plate be all-metal type web plate or on silk screen the web plate of coating one deck photoresists, said silk screen can be metal wire knitted or the dull and stereotyped silk screen through electroforming, etching, laser cutting parameter making.
(3) beneficial effect
A kind of solar energy web plate that technique scheme provided, said solar energy web plate only have thin grid line structure and dereliction grid line structure; The pattern that said thin grid line constitutes is made up of " rice " font array.The special construction of electrode of solar battery web plate provided by the present invention has used the topology rule, and it is strong that the gate electrode line through its printing has the electric current collection ability, and the advantage that transfer rate is high can effectively improve the transformation efficiency of solar cell.
Description of drawings
Fig. 1 is the structural representation of traditional solar energy web plate;
Fig. 2 is a web plate structural representation provided by the present invention;
Fig. 3 is the enlarged diagram of a kind of structure of 21 parts among Fig. 2;
Fig. 4 is the enlarged diagram of the another kind of structure of 21 parts among Fig. 2;
Fig. 5 is the grid line schematic cross-section of single-layer metal web plate,
Fig. 6 is the grid line schematic cross-section of double-deck solar energy web plate,
Fig. 7 is a double-level-metal web plate structural representation;
Fig. 8 is a single-layer metal web plate structural representation;
Wherein, 11: the main grid line; 12: thin grid line; 21: thin grid line; 22: " rice " font pattern; 30: bridging; 40: screen grid; 61: the upper strata web plate; 62: lower floor's web plate.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
As shown in Figure 2, be a kind of solar energy web plate that the embodiment of the invention provides, said solar energy web plate only has thin grid line 21 structures and dereliction grid line structure, and the whole style of preferred thin grid line is formed by " rice " font pattern 22 arrays in the present embodiment.The special construction of electrode of solar battery web plate provided by the present invention has used the topology rule, and it is strong that the gate electrode line through its printing has the electric current collection ability, and the advantage that transfer rate is high can effectively improve the transformation efficiency of solar cell.
Concrete, the pattern that thin grid line 21 constitutes is made up of " rice " font array.Evenly be provided with a plurality of ray points on " rice " word limit in " rice " font array, the ray point is provided with the thin grid line of dispersing to the both sides extension, and what adjacent " rice " word limit was middle disperses thin grid line for laterally arranging.Concrete combination is shown in Figure 2.
Preferably, the width dimensions of thin grid line is 20~100um on the web plate, and further the width dimensions of preferred thin grid line is 30~70um.The thickness of web plate is 20~80um, and the thickness of further preferred web plate is 25~50um.
Concrete Fig. 3, shown in Figure 4 be thin grid line enlarged diagram; In the middle of thin grid line 21, have bridging 30 or the screen grids 40 that connect screen printing masks part, the width w of thin grid line is 20~100um, as preferably; Width w is 30~70um, further is about 45um.
The solar energy web plate is the single or multiple lift structure, wherein has the bridging 30 or the screen grid 40 that have the above between the thin grid line opening of one deck at least.
Concrete combination is shown in Figure 5 to be the grid line schematic cross-section of single-layer metal web plate, and said web plate is made by electroforming, etching or laser cutting parameter, and the thickness of said web plate is 20~80um, is preferably 25~50um.Its thickness is the web plate integral thickness, if multi-layered net plate, every layer thickness is adjustable.
Shown in Figure 6 is a kind of grid line schematic cross-section of double-deck solar energy web plate, the bridging 30 or the screen grid 40 that exist to connect between its upper strata web plate 61 openings, and lower floor's web plate 62 openings are the form of standard-sized sheet, and the upper strata opening equates with the lower floor A/F.Said two-layer web plate is the web plate that upper strata web plate 61, lower floor's web plate 62 can be coated with one deck photoresists for all-metal type web plate or on silk screen.If all-metal type web plate, this web plate can be technologies such as electroforming, etching, cut or several kinds of technology mixing manufactures wherein, for example, it can be the metal otter board that obtains through twice electroforming process; If the structure of web plate is coating one deck photoresists on silk screen; Said silk screen can be Weaving type silk screen or plate silk screen; The Weaving type silk screen can be woven wire or organic silk screen; Plate silk screen can make through technologies such as electroforming, etching, cut, is excellent with plate silk screen in two kinds of silk screens.
The solar energy web plate be all-metal type web plate or on silk screen the web plate of coating one deck photoresists, silk screen can be metal wire knitted or the dull and stereotyped silk screen through electroforming, etching, laser cutting parameter making.Fig. 7, shown in Figure 8 be other type structure sketch map of the thin grid line cross section of single or multiple lift web plate.Shown in Figure 7 is a kind of double-level-metal web plate structural representation, and its thin grid line has the opening surface width dimensions w1 that connects setting and do not have the opening surface width dimensions w2 that connects setting less than thin grid line; Shown in Figure 8 is the single-layer metal web plate, and the opening pattern on its two sides makes through etch process, laser technology or its hybrid technique.
Can be found out that by above embodiment the embodiment of the invention provides a kind of solar energy web plate, said solar energy web plate only has thin grid line structure and dereliction grid line structure; The pattern that said thin grid line constitutes is made up of " rice " font array.The special construction of electrode of solar battery web plate provided by the present invention has used the topology rule, and it is strong that the gate electrode line through its printing has the electric current collection ability, and the advantage that transfer rate is high can effectively improve the transformation efficiency of solar cell.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and replacement, these improvement and replacement also should be regarded as protection scope of the present invention.

Claims (7)

1. a solar energy web plate is characterized in that, said solar energy web plate only has thin grid line structure and dereliction grid line structure; The pattern that said thin grid line constitutes is made up of " rice " font array.
2. solar energy web plate according to claim 1; It is characterized in that; Evenly be provided with a plurality of ray points on " rice " word limit in said " rice " font array; Said ray point is provided with the thin grid line of dispersing to the both sides extension, and adjacent the said of centre, " rice " word limit dispersed thin grid line for laterally arranging.
3. according to each described solar energy web plate in the claim 1 to 2, it is characterized in that the width dimensions of thin grid line is 20~100um on the said web plate.
4. solar energy web plate according to claim 3 is characterized in that, the width dimensions of said thin grid line is 30~70um.
5. according to each described solar energy web plate in the claim 1 to 2, it is characterized in that the thickness of said web plate is 20~80um.
6. solar energy web plate according to claim 5 is characterized in that, the thickness of said web plate is 25~50um.
7. according to each described solar energy web plate in the claim 1 to 2, it is characterized in that said solar energy web plate is the single or multiple lift structure, wherein have at least between the thin grid line opening of one deck connection is arranged.
CN2012200065591U 2012-01-09 2012-01-09 Solar screen plate Expired - Fee Related CN202428777U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200065591U CN202428777U (en) 2012-01-09 2012-01-09 Solar screen plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200065591U CN202428777U (en) 2012-01-09 2012-01-09 Solar screen plate

Publications (1)

Publication Number Publication Date
CN202428777U true CN202428777U (en) 2012-09-12

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Family Applications (1)

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Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103192597A (en) * 2012-01-09 2013-07-10 昆山允升吉光电科技有限公司 Solar energy screen
CN103231584A (en) * 2013-04-24 2013-08-07 无锡帝科电子材料科技有限公司 Rectangular loop positive electrode mesh plate of crystalline silicon solar cell
CN106876503A (en) * 2017-03-30 2017-06-20 乐叶光伏科技有限公司 Using the solar energy stacked wafer moudle of center convergence gate line electrode
CN108569021A (en) * 2017-03-09 2018-09-25 赵友之 Halftone

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103192597A (en) * 2012-01-09 2013-07-10 昆山允升吉光电科技有限公司 Solar energy screen
CN103231584A (en) * 2013-04-24 2013-08-07 无锡帝科电子材料科技有限公司 Rectangular loop positive electrode mesh plate of crystalline silicon solar cell
CN108569021A (en) * 2017-03-09 2018-09-25 赵友之 Halftone
CN106876503A (en) * 2017-03-30 2017-06-20 乐叶光伏科技有限公司 Using the solar energy stacked wafer moudle of center convergence gate line electrode
CN106876503B (en) * 2017-03-30 2018-04-24 隆基乐叶光伏科技有限公司 Using the solar energy stacked wafer moudle of center convergence gate line electrode

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Effective date of registration: 20190808

Granted publication date: 20120912

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PD01 Discharge of preservation of patent

Date of cancellation: 20220109

Granted publication date: 20120912

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120912

Termination date: 20200109