CN102623518A - Positive electrode grid line for solar cell slice, solar cell slice and solar cell - Google Patents
Positive electrode grid line for solar cell slice, solar cell slice and solar cell Download PDFInfo
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- CN102623518A CN102623518A CN2012100563074A CN201210056307A CN102623518A CN 102623518 A CN102623518 A CN 102623518A CN 2012100563074 A CN2012100563074 A CN 2012100563074A CN 201210056307 A CN201210056307 A CN 201210056307A CN 102623518 A CN102623518 A CN 102623518A
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- solar cell
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Abstract
The invention discloses a positive electrode grid line for a solar cell slice, the solar cell slice and a solar cell. The positive electrode grid line for the solar cell slice comprises at least one main grid line and a plurality of parallel thin grid lines; the main grid line is positioned at the edge of the positive electrode grid line for the solar cell slice. The positive electrode grid line is arranged on a positive electrode surface of the solar cell slice; and the positive electrode surface is matched with the positive electrode grid line for the solar cell slice in shape. The solar cell comprises a plurality of solar cell slices and solder strips; the main grid lines of the plurality of solar cell slices are parallel to each other and are parallel to the solder strips; and the main grid lines of each two adjacent solar cell slices are fixedly connected side by side by one solder strip in the direction vertical to the main grid lines. The coverage area of the main grid lines is reduced, the using amount of silver paste is reduced and the light receiving area of the solar cell slice is improved. Each two adjacent solar cell slices share one solder strip, so that both the labor and consumables can be saved and series resistances among the solar cell slices are reduced.
Description
Technical field
The present invention relates to a kind of solar battery sheet positive electrode grid line, solar battery sheet and solar cell.
Background technology
As shown in Figure 1, many thin grid lines 20 laterally arrange in the grid line layout of present conventional solar battery sheet positive electrode, and a plurality of main grid line 30 designs make a plurality of main grid lines 30 perpendicular to thin grid line 20 and with thin grid line five equilibrium in the inside of whole grid line layout.Because after such design is printed onto battery sheet positive electrode surface with grid line; Main grid line 30 occupies certain battery sheet positive electrode surface in the centre position; The shading area of solar battery sheet 10 is strengthened, cause short circuit current to reduce, and it is more to consume positive silver paste.When connecting between a plurality of solar battery sheets 10 simultaneously, owing to need utilize welding that the main grid line 30 of adjacent cell sheet is connected, the grid line layout of prior art makes that the welding between the battery sheet is inconvenient, and the consumption human and material resources are bigger.
Summary of the invention
The object of the present invention is to provide a kind ofly reduce main grid line area coverage and slurry use amount, improve battery efficiency, be convenient between the battery sheet welding, reduce solar battery sheet positive electrode grid line and the corresponding solar cell sheet and the solar cell of welding consumes manpower and material resources.
In order to solve the problems of the technologies described above, the invention provides a kind of solar battery sheet positive electrode grid line, comprise at least one main grid line and many thin grid lines that are parallel to each other, said main grid line is positioned at the edge of said solar battery sheet positive electrode grid line.
Wherein, said solar battery sheet positive electrode grid line also comprises at least one secondary grid line, and said secondary grid line is connected with all said thin grid lines.
Wherein, the width of said secondary grid line is 100% to 150% of a said thin grid line width.
Wherein, the width of said secondary grid line equals the width of said thin grid line.
Wherein, said main grid line parallel is in said thin grid line, and said secondary grid line is connected with said main grid line.
Wherein, it is characterized in that said main grid line is vertically connected at said thin grid line.
Wherein, said main grid line is two, and said thin grid line is arranged between two said main grid lines.
Correspondingly; The present invention also provides a kind of solar battery sheet; The positive electrode surface of said solar battery sheet is provided with above-mentioned solar battery sheet positive electrode grid line, and the shape of the shape of said positive electrode surface and said solar battery sheet positive electrode grid line is suitable.
Wherein, said main grid line parallel is less than or equal to 0.5mm in the edge of said positive electrode surface and to the distance at the edge of said positive electrode surface.
Simultaneously; The present invention also provides a kind of solar cell; Comprise a plurality of above-mentioned solar battery sheets and welding; Be parallel to each other between the main grid line of a plurality of said solar battery sheets and parallel, be fixedly connected side by side through a said welding perpendicular to the main grid line of adjacent two said solar battery sheets on the main grid line direction with said welding.
Solar battery sheet positive electrode grid line provided by the invention, solar battery sheet and solar cell, the main grid line is positioned at whole grid line edge, and inside middle is not provided with the main grid line, can reduce the quantity of main grid line, reduces the consumption of front side silver paste; Reduce the area that the main grid line is covered simultaneously, can improve the light-receiving area of solar battery sheet, improved battery efficiency; The shared welding of adjacent solar battery sheet can be practiced thrift manpower and consumptive material, reduces the series resistance between solar battery sheet.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention; To do to introduce simply to the accompanying drawing of required use in the execution mode below; Obviously, the accompanying drawing in describing below only is execution modes more of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of solar battery sheet positive electrode grid line in the prior art;
Fig. 2 is the structural representation of the solar battery sheet positive electrode grid line that provides of embodiment of the present invention;
Fig. 3 is the structural representation of the solar battery sheet positive electrode grid line that provides of another embodiment of the present invention;
Fig. 4 is the structural representation one of the solar cell that provides of embodiment of the present invention;
Fig. 5 is the structural representation two of the solar cell that provides of embodiment of the present invention.
Embodiment
To combine the accompanying drawing in the embodiment of the present invention below, the technical scheme in the embodiment of the present invention will be carried out clear, intactly description.
See also Fig. 4; A kind of solar cell that embodiment of the present invention provides; Comprise a plurality of solar battery sheets 1 and welding 5, as shown in Figure 2, solar battery sheet 1 is provided with solar battery sheet positive electrode grid line; The shape of positive electrode surface is suitable with the shape of solar battery sheet positive electrode grid line to be that the two shape is identical, so that fully collect the electric current that positive electrode surface produces.
Solar battery sheet positive electrode grid line comprises at least one main grid line 3 and many thin grid lines 2 that are parallel to each other; Main grid line 3 is positioned at the edge of solar battery sheet positive electrode grid line; Promptly when design grid line half tone pattern, the main grid line is arranged on the edge of whole pattern.After grid line half tone design is good; Solar battery sheet positive electrode grid line is printed onto battery sheet positive electrode surface; After the printing; Guarantee that as far as possible main grid line 3 is parallel to the edge of positive electrode surface, main grid line 3 is less than or equal to 0.5mm to the distance at the edge of positive electrode surface simultaneously, so that the connection between the solar battery sheet 1.Make best embodiment; After the printing, main grid line 3 is 0 to the distance at the edge of positive electrode surface, i.e. the coincident of the side of main grid line 3 and positive electrode surface; Through after welding 5 connections, can reduce blocking of welding 5 and 3 pairs of positive electrode surface of main grid line between the solar battery sheet 1.
In the present embodiment, as shown in Figure 2, main grid line 3 is vertically connected at thin grid line 2, thereby many thin grid lines 2 are linked together.Here as additional embodiments; When solar battery sheet 1 only need be connected with another one-sided solar battery sheet; Main grid line 3 can only be provided with one, and the edge that this main grid line 3 is arranged on solar battery sheet 1 gets final product, and can further reduce the consumption of front side silver paste.Because the positive electrode surface of solar battery sheet 1 is a quadrangle in the present embodiment, main grid line 3 is provided with one or two can satisfy connection requirement between a plurality of solar battery sheets 1; If positive electrode surface is other polygons, can various numbers be set according to the connection needs between the solar battery sheet, for example three, four, or be other numbers.
Herein, in order to strengthen many connections between the thin grid line 2, solar battery sheet positive electrode grid line also comprises at least one secondary grid line 4, and secondary grid line 4 is connected with all thin grid lines 2.The width of secondary grid line 4 is 100% to 150% of thin grid line 2 width, and as preferably, the number of secondary grid line 4 is one, and the width of secondary grid line 4 equates with the width of thin grid line 2, to reduce 1 surperficial the blocking of 4 pairs of solar battery sheets of secondary grid line.Certainly, also secondary grid line 4 can be set as other embodiment, perhaps adopt the secondary grid line 4 of other width, the number of secondary grid line 4 also can be set to two or more according to the electric current collection situation.
In another execution mode of solar battery sheet positive electrode grid line provided by the invention; Solar battery sheet positive electrode grid line comprises two main grid lines 3 and many thin grid lines 2 that are parallel to each other; Main grid line 3 is parallel to thin grid line 2; All thin grid lines 2 are arranged between two main grid lines 3, make main grid line 3 be positioned at the edge of solar battery sheet positive electrode grid line.Simultaneously, solar battery sheet positive electrode grid line comprises that also at least one is arranged on the secondary grid line 4 on solar battery sheet 1 surface, and secondary grid line 4 is connected with all thin grid lines 2, and secondary grid line 4 is connected with two main grid lines 3 simultaneously.The width of secondary grid line 4 is 100% to 150% of thin grid line 2 width; In order to reduce blocking of 4 pairs of solar battery sheets of secondary grid line, 1 surface, preferably, the number of secondary grid line 4 is five; The width of secondary grid line 4 equates with the width of thin grid line 2; Certainly, the width of secondary grid line 4 is not limited thereto, and also can adopt the secondary grid line 4 of other width.The number of secondary grid line 4 also can be set to one, two or other numbers according to the electric current collection situation simultaneously.Herein, the number of main grid line 3 is the same with previous embodiment, can be according to the difference of the positive electrode surface shape of connection needs between the solar battery sheet 1 and solar battery sheet 1, and the main grid line of, three or other numbers is set.
Utilize welding 5 to connect between a plurality of solar battery sheets 1; During connection; Be parallel to each other between the main grid line 3 of a plurality of solar battery sheets 1 and parallel with welding 5; As shown in Figure 4, be fixedly connected side by side through a welding 5 perpendicular to the main grid line of adjacent two solar battery sheets 1 on main grid line 3 directions 3.Because main grid line 3 is positioned at the edge of solar battery sheet 1, be divided into of main grid line 3 fixed connections of two parts on welding 5 Widths respectively at adjacent two solar battery sheets 1, can utilize a welding 5 to be fixedly connected perpendicular to two adjacent on main grid line 3 directions solar battery sheets 1; Simultaneously; If increase the length of welding 5, as shown in Figure 5, can two other or the more how paired solar battery sheet 1 that be positioned at welding 5 both sides be connected together; Reduce the series resistance of 1 of solar battery sheet; Practice thrift manpower and consumptive material, wherein the consumption of main grid line 3 silver medals slurry can reduce about 56%, and welding 5 and welding manpower all can be practiced thrift about 56%.
Through design grid line half tone pattern; Make main grid line 3 be positioned at the edge of solar battery sheet positive electrode grid line; And then make main grid line 3 designs of printing back at solar battery sheet 1 positive electrode surface edge; Can improve the light-receiving area of solar battery sheet 1, efficient improves about 0.2%, and adjacent solar battery sheet 1 a shared welding 5 can be practiced thrift manpower and consumptive material.
Edge Distance with main grid line 3 and positive electrode surface among the above embodiment is 0; As additional embodiments; Also can main grid line 3 be moved to the inner surface of positive electrode surface among a small circle; Displacement is not more than 0.5mm, and promptly main grid line 3 is less than or equal to 0.5mm apart from the distance at the edge of positive electrode surface.The mobile whole structure that can not influence solar cell of small distance, welding still can be adopted same welding 5 between the adjacent solar battery sheet 1.
The above 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 the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also are regarded as protection scope of the present invention.
Claims (10)
1. a solar battery sheet positive electrode grid line is characterized in that, comprises at least one main grid line and many thin grid lines that are parallel to each other, and said main grid line is positioned at the edge of said solar battery sheet positive electrode grid line.
2. solar battery sheet positive electrode grid line according to claim 1 is characterized in that, said solar battery sheet positive electrode grid line also comprises at least one secondary grid line, and said secondary grid line is connected with all said thin grid lines.
3. solar battery sheet positive electrode grid line according to claim 2 is characterized in that, the width of said secondary grid line is 100% to 150% of a said thin grid line width.
4. solar battery sheet positive electrode grid line according to claim 3 is characterized in that the width of said secondary grid line equals the width of said thin grid line.
5. solar battery sheet positive electrode grid line according to claim 2 is characterized in that, said main grid line parallel is in said thin grid line, and said secondary grid line is connected with said main grid line.
6. according to each described solar battery sheet positive electrode grid line of claim 1 to 4, it is characterized in that said main grid line is vertically connected at said thin grid line.
7. solar battery sheet positive electrode grid line according to claim 1 is characterized in that said main grid line is two, and said thin grid line is arranged between two said main grid lines.
8. solar battery sheet; It is characterized in that; The positive electrode surface of said solar battery sheet is provided with each described solar battery sheet positive electrode grid line of claim 1 to 8, and the shape of the shape of said positive electrode surface and said solar battery sheet positive electrode grid line is suitable.
9. solar battery sheet according to claim 8 is characterized in that, said main grid line parallel is less than or equal to 0.5mm in the edge of said positive electrode surface and to the distance at the edge of said positive electrode surface.
10. solar cell; It is characterized in that; Comprise a plurality of claims 8 or 9 described solar battery sheet and weldings; Be parallel to each other between the main grid line of a plurality of said solar battery sheets and parallel, be fixedly connected side by side through a said welding perpendicular to the main grid line of adjacent two said solar battery sheets on the main grid line direction with said welding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210056307.4A CN102623518B (en) | 2012-03-06 | 2012-03-06 | Solar cell |
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| CN201210056307.4A CN102623518B (en) | 2012-03-06 | 2012-03-06 | Solar cell |
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| CN102623518A true CN102623518A (en) | 2012-08-01 |
| CN102623518B CN102623518B (en) | 2014-09-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505406A (en) * | 2014-12-29 | 2015-04-08 | 苏州强明光电有限公司 | GaAs double-faced thin-film solar cell |
| CN107978646A (en) * | 2016-10-17 | 2018-05-01 | 阿特斯阳光电力集团有限公司 | Solar battery sheet and solar cell module |
| CN108987493A (en) * | 2017-05-31 | 2018-12-11 | 刘庆东 | solar panel |
| CN110783415A (en) * | 2019-11-07 | 2020-02-11 | 江苏辉伦太阳能科技有限公司 | Novel solar cell module and preparation method thereof |
| CN112490625A (en) * | 2020-11-24 | 2021-03-12 | 中国电子科技集团公司第十八研究所 | Monopole broadband antenna based on solar cell grid line structure |
| CN115377230A (en) * | 2022-09-26 | 2022-11-22 | 浙江晶科能源有限公司 | Solar cell and photovoltaic module |
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| US20100139746A1 (en) * | 2007-03-19 | 2010-06-10 | Q-Cells Se | Solar cell device, solar cell module, and connector device |
| KR20110078966A (en) * | 2009-12-31 | 2011-07-07 | 주식회사 효성 | Improved solar cell and method for connecting the solar cell between |
| US20110203656A1 (en) * | 2010-02-24 | 2011-08-25 | Iowa State University Research Foundation, Inc. | Nanoscale High-Aspect-Ratio Metallic Structure and Method of Manufacturing Same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505406A (en) * | 2014-12-29 | 2015-04-08 | 苏州强明光电有限公司 | GaAs double-faced thin-film solar cell |
| CN104505406B (en) * | 2014-12-29 | 2017-08-25 | 苏州强明光电有限公司 | A kind of GaAs two-side film membranes solar cell |
| CN107978646A (en) * | 2016-10-17 | 2018-05-01 | 阿特斯阳光电力集团有限公司 | Solar battery sheet and solar cell module |
| CN108987493A (en) * | 2017-05-31 | 2018-12-11 | 刘庆东 | solar panel |
| CN110783415A (en) * | 2019-11-07 | 2020-02-11 | 江苏辉伦太阳能科技有限公司 | Novel solar cell module and preparation method thereof |
| CN112490625A (en) * | 2020-11-24 | 2021-03-12 | 中国电子科技集团公司第十八研究所 | Monopole broadband antenna based on solar cell grid line structure |
| CN112490625B (en) * | 2020-11-24 | 2024-03-01 | 中电科蓝天科技股份有限公司 | Monopole broadband antenna based on solar cell grid line structure |
| CN115377230A (en) * | 2022-09-26 | 2022-11-22 | 浙江晶科能源有限公司 | Solar cell and photovoltaic module |
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| Publication number | Publication date |
|---|---|
| CN102623518B (en) | 2014-09-03 |
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Effective date of registration: 20180829 Address after: 338004 Jiangxi Xinyu high tech Industrial Park Patentee after: LDK SOLAR (XINYU) HI-TECH (XINYU) Co.,Ltd. Address before: 338000 Patent Office of LDK Industrial Park, Xinyu hi tech Economic Development Zone, Jiangxi Patentee before: JIANG XI SAI WEI LDK SOLAR HI-TECH Co.,Ltd. |
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Effective date of registration: 20230321 Address after: Room 614, Building 6, Government Affairs Center, Rulin Road, Xianghe Town, Quanjiao County, Chuzhou City, Anhui Province, 239599 Patentee after: Chuzhou Saiwei Energy Technology Co.,Ltd. Address before: 338004 Jiangxi Xinyu high tech Industrial Park Patentee before: LDK SOLAR (XINYU) HI-TECH (XINYU) Co.,Ltd. |
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