CN102623518B - Solar cell - Google Patents
Solar cell Download PDFInfo
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- CN102623518B CN102623518B CN201210056307.4A CN201210056307A CN102623518B CN 102623518 B CN102623518 B CN 102623518B CN 201210056307 A CN201210056307 A CN 201210056307A CN 102623518 B CN102623518 B CN 102623518B
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- grid line
- positive electrode
- solar cell
- solar battery
- main grid
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Abstract
The invention discloses a solar cell including a plurality of solar cell pieces and welding belts. A positive electrode surface of the solar cell is provided with a positive electrode grid line for the solar cell piece. The positive electrode grid line for the solar cell piece includes 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 piece. The positive electrode surface is matched with the positive electrode grid line for the solar cell piece in shape. The main grid lines of the plurality of solar cell pieces are parallel to each other and are parallel to the welding belts; and the main grid lines of each two adjacent solar cell pieces are fixedly connected side by side by one welding belt 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 piece is improved. Each two adjacent solar cell pieces share one welding belt, so that both the labor and consumables can be saved and series resistances among the solar cell pieces are reduced.
Description
Technical field
The present invention relates to a kind of solar cell.
Background technology
As shown in Figure 1, in the grid line layout of current conventional solar battery sheet positive electrode, many thin grid lines 20 be arranged in parallel, and a plurality of main grid line 30 designs, in the inside of whole grid line layout, make a plurality of main grid lines 30 perpendicular to thin grid line 20 and by thin grid line decile.Because such design is printed onto grid line after cell piece positive electrode surface, main grid line 30 occupies certain cell piece positive electrode surface in centre position, can make the shading-area of solar battery sheet 10 strengthen, cause short circuit current to reduce, and it be more to consume positive silver paste.While connecting between a plurality of solar battery sheets 10, owing to need to utilizing welding that the main grid line 30 of adjacent cell sheet is connected, the grid line layout of prior art makes the welding between cell piece inconvenient simultaneously, and consumption human and material resources are larger.
Summary of the invention
The object of the present invention is to provide and a kind ofly reduce main grid line area coverage and slurry use amount, improve battery efficiency, be convenient to welding between cell piece, reduce 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 cell, comprise a plurality of solar battery sheets and welding;
The positive electrode surface of described solar battery sheet is provided with solar battery sheet positive electrode grid line, and the shape of the shape of described positive electrode surface and described solar battery sheet positive electrode grid line is suitable;
Solar battery sheet positive electrode grid line comprises at least one main grid line and many thin grid lines that are parallel to each other, and described main grid line is positioned at the edge of described solar battery sheet positive electrode grid line;
Between the main grid line of a plurality of described solar battery sheets, be parallel to each other and parallel with described welding, perpendicular to the main grid line of adjacent two described solar battery sheets in main grid line direction, by a described welding, be fixedly connected with side by side; On described welding Width, being divided into two parts is fixedly connected with the main grid line of adjacent two solar battery sheets respectively.
Wherein, described solar battery sheet positive electrode grid line also comprises at least one secondary grid line, and described secondary grid line is connected with all described thin grid lines.
Wherein, the width of described secondary grid line is 100% to 150% of described thin grid line width.
Wherein, the width of described secondary grid line equals the width of described thin grid line.
Wherein, described main grid line parallel is in described thin grid line, and described secondary grid line is connected with described main grid line.
Wherein, described main grid line is vertically connected at described thin grid line.
Wherein, described main grid line is two, and described thin grid line is arranged between two described main grid lines.
Wherein, described main grid line parallel is less than or equal to 0.5mm in the edge of described positive electrode surface and to the distance at the edge of described positive electrode surface.
Solar battery sheet positive electrode grid line provided by the invention, solar battery sheet and solar cell, main grid line is positioned at whole grid line edge, and inside middle does not arrange main grid line, can reduce the quantity of main grid line, reduces the consumption of front side silver paste; Reduce the area that main grid line covers simultaneously, can improve the light-receiving area of solar battery sheet, improved battery efficiency; Adjacent solar battery sheet shares a welding can save manpower and consumptive material, reduces the series resistance between solar battery sheet.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, to the accompanying drawing of required use in execution mode be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of solar battery sheet positive electrode grid line in 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
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
Refer to 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 the shape of positive electrode surface and solar battery sheet positive electrode grid line is suitable is 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, when design grid line half tone pattern, main grid line is arranged on to the edge of whole pattern.After grid line half tone design is good, solar battery sheet positive electrode grid line is printed onto to cell piece positive electrode surface, after 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 solar battery sheet 1.Make best embodiment, after printing, main grid line 3 is 0 to the distance at the edge of positive electrode surface, i.e. the side of main grid line 3 and the coincident of positive electrode surface, after connecting by welding 5 between solar battery sheet 1, can reduce blocking of welding 5 and 3 pairs of positive electrode surface of main grid line.
Main grid line 3 is two in the present embodiment, thin grid line 2 is arranged between two main grid lines 3, solar battery sheet positive electrode grid line is printed onto after positive electrode surface, every main grid line 3 is 0 to the distance at the edge of each self-corresponding positive electrode surface respectively, so that connecting, this solar battery sheet 1 is positioned at other two solar battery sheets in same direction, after connecting by welding between solar battery sheet 1, can reduce blocking of welding 5 and 2 pairs of positive electrode surface of main grid line, improve the light-receiving area of solar battery sheet, improve battery efficiency; Main grid line 3 is only set at edge, has reduced the quantity of main grid line 3, reduce the consumption of front side silver paste simultaneously.
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.Herein as other embodiment, when solar battery sheet 1 only needs to be connected with another one-sided solar battery sheet, main grid line 3 can only arrange one, and this main grid line 3 is arranged on an edge of solar battery sheet 1, can further reduce the consumption of front side silver paste.Because the positive electrode surface of solar battery sheet 1 is in the present embodiment quadrangle, main grid line 3 arranges one or two can meet connection requirement between a plurality of solar battery sheets 1; If positive electrode surface is other polygons, can different numbers need to be set according to the connection between solar battery sheet, for example three, four or be other numbers.
Herein, in order to strengthen many connections between 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 grid line 2 carefully, to reduce blocking of secondary 4 pairs of solar battery sheet 1 surfaces of grid line.Certainly, also secondary grid line 4 can be set, or adopt the secondary grid line 4 of other width as other embodiment, the number of secondary grid line 4 also can be set to two or more according to 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.Meanwhile, solar battery sheet positive electrode grid line also comprises that 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 secondary 4 pairs of solar battery sheet 1 surfaces of grid line, 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 to this, 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 electric current collection situation simultaneously.Herein, the number of main grid line 3 is the same with previous embodiment, can need and the difference of the positive electrode surface shape of solar battery sheet 1 according to connection between solar battery sheet 1, and the main grid line of, three or other numbers is set.
Between a plurality of solar battery sheets 1, utilize welding 5 to connect, during connection, between the main grid line 3 of a plurality of solar battery sheets 1, be parallel to each other and parallel with welding 5, as shown in Figure 4, the main grid line 3 perpendicular to adjacent two solar battery sheets 1 in main grid line 3 directions is fixedly connected with side by side by a welding 5.Because main grid line 3 is positioned at the edge of solar battery sheet 1, on welding 5 Widths, being divided into two parts is fixedly connected with respectively at the main grid line 3 of adjacent two solar battery sheets 1, can utilize a welding 5 that two solar battery sheets 1 perpendicular to adjacent in main grid line 3 directions are fixedly connected with, simultaneously, if increase the length of welding 5, as shown in Figure 5, two other or the how paired solar battery sheet 1 that are positioned at welding 5 both sides can be connected together, reduce the series resistance of 1 of solar battery sheet, save manpower and consumptive material, wherein the consumption of main grid line 3 silver medal slurries can reduce by 56% left and right, welding 5 and welding manpower all can be saved 56% left and right.
By 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 to print rear main grid line 3 designs at solar battery sheet 1 positive electrode surface edge, can improve the light-receiving area of solar battery sheet 1, efficiency improves 0.2% left and right, and adjacent solar battery sheet 1 shares a welding 5 can save manpower and consumptive material.
In above embodiment, by main grid line 3, be 0 with the Edge Distance of positive electrode surface, as other embodiment, also can main grid line 3 is mobile to the surface, inside of positive electrode surface among a small circle, displacement is not more than 0.5mm, and main grid line 3 is less than or equal to 0.5mm apart from the distance at the edge of positive electrode surface.The movement of small distance can not affect the whole structure of solar cell, and between adjacent solar battery sheet 1, welding still can adopt same welding 5.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (8)
1. a solar cell, is characterized in that, comprises a plurality of solar battery sheets and welding;
The positive electrode surface of described solar battery sheet is provided with solar battery sheet positive electrode grid line, and the shape of the shape of described positive electrode surface and described solar battery sheet positive electrode grid line is suitable;
Solar battery sheet positive electrode grid line comprises at least one main grid line and many thin grid lines that are parallel to each other, and described main grid line is positioned at the edge of described solar battery sheet positive electrode grid line;
Between the main grid line of a plurality of described solar battery sheets, be parallel to each other and parallel with described welding, perpendicular to the main grid line of adjacent two described solar battery sheets in main grid line direction, by a described welding, be fixedly connected with side by side; On described welding Width, being divided into two parts is fixedly connected with the main grid line of adjacent two solar battery sheets respectively.
2. solar cell according to claim 1, is characterized in that, described solar battery sheet positive electrode grid line also comprises at least one secondary grid line, and described secondary grid line is connected with all described thin grid lines.
3. solar cell according to claim 2, is characterized in that, the width of described secondary grid line is 100% to 150% of described thin grid line width.
4. solar cell according to claim 3, is characterized in that, the width of described secondary grid line equals the width of described thin grid line.
5. solar cell according to claim 2, is characterized in that, described main grid line parallel is in described thin grid line, and described secondary grid line is connected with described main grid line.
6. according to the solar cell described in claim 1 to 4 any one, it is characterized in that, described main grid line is vertically connected at described thin grid line.
7. solar cell according to claim 1, is characterized in that, described main grid line is two, and described thin grid line is arranged between two described main grid lines.
8. solar-electricity according to claim 1, is characterized in that, described main grid line parallel is less than or equal to 0.5mm in the edge of described positive electrode surface and to the distance at the edge of described positive electrode surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210056307.4A CN102623518B (en) | 2012-03-06 | 2012-03-06 | Solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210056307.4A CN102623518B (en) | 2012-03-06 | 2012-03-06 | Solar cell |
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| Publication Number | Publication Date |
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| CN102623518A CN102623518A (en) | 2012-08-01 |
| CN102623518B true CN102623518B (en) | 2014-09-03 |
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| CN201210056307.4A Active CN102623518B (en) | 2012-03-06 | 2012-03-06 | Solar cell |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4361950A (en) * | 1980-03-24 | 1982-12-07 | Exxon Research & Engineering Co. | Method of making solar cell with wrap-around electrode |
| US4416052A (en) * | 1982-03-29 | 1983-11-22 | General Dynamics, Convair Division | Method of making a thin-film solar cell |
| CN101241941A (en) * | 2007-02-06 | 2008-08-13 | 上海华达运新能源科技有限公司 | A silicon optical battery |
| KR20110078966A (en) * | 2009-12-31 | 2011-07-07 | 주식회사 효성 | Improved solar cell and method for connecting the solar cell between |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007013553A1 (en) * | 2007-03-19 | 2008-09-25 | Q-Cells Ag | Solar cell device, solar cell module and connection arrangement |
| 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 |
-
2012
- 2012-03-06 CN CN201210056307.4A patent/CN102623518B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4361950A (en) * | 1980-03-24 | 1982-12-07 | Exxon Research & Engineering Co. | Method of making solar cell with wrap-around electrode |
| US4416052A (en) * | 1982-03-29 | 1983-11-22 | General Dynamics, Convair Division | Method of making a thin-film solar cell |
| CN101241941A (en) * | 2007-02-06 | 2008-08-13 | 上海华达运新能源科技有限公司 | A silicon optical battery |
| KR20110078966A (en) * | 2009-12-31 | 2011-07-07 | 주식회사 효성 | Improved solar cell and method for connecting the solar cell between |
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| CN102623518A (en) | 2012-08-01 |
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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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