CN204289472U - A kind of grid line structure reducing current loss - Google Patents
A kind of grid line structure reducing current loss Download PDFInfo
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- CN204289472U CN204289472U CN201420732838.5U CN201420732838U CN204289472U CN 204289472 U CN204289472 U CN 204289472U CN 201420732838 U CN201420732838 U CN 201420732838U CN 204289472 U CN204289472 U CN 204289472U
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- grid line
- main gate
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- gate line
- broken string
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Abstract
The utility model provides a kind of grid line structure reducing current loss, comprise main gate line and secondary grid line, main gate line is made up of more than three or three segmented main gate line, and the design feature of secondary grid line is that adjacent two secondary grid line circular arc or straight lines connect, and this junction is between adjacent two main gate line.The beneficial effects of the utility model are after using, in time printing grid line and have broken string, because two grid lines circular arc or straight lines connect, the electric current at broken string place can be pooled in main gate line again by circular arc or straight line, like this can collection Isc as much as possible, reduce the impact of broken string on Isc.
Description
Technical field
The utility model relates to crystal silicon solar batteries sheet and manufactures field, relates to a kind of grid line structure reducing current loss particularly.
Background technology
All the time, the photoelectric conversion efficiency improving solar battery sheet is one of developing direction of photovoltaic industry.In order to improve cell piece conversion efficiency, positive silver paste manufacturer tests formula of size, in experimentation, other pulp property can be sacrificed, as the mobility of slurry, the slurry of new varieties improves a lot in viscosity, 500Pas can be brought up to from original 280 Pas, slurry viscosity is once increase, and the mistake ink of slurry will be very poor, can form a lot of broken string in printing process, in order to reduce the impact of broken string on Isc as far as possible, now design a kind of Novel net plate, collection Isc as much as possible, reduce the impact of broken string on Isc.
Summary of the invention
The purpose of this utility model is to provide a kind of grid line structure reducing current loss, and object is collection Isc as much as possible, reduces the impact of broken string on Isc.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model: a kind of grid line structure reducing current loss, comprise main gate line and secondary grid line, main gate line is made up of more than three or three segmented main gate line, the design feature of secondary grid line is that adjacent two secondary grid line circular arc or straight lines connect, and this junction is between adjacent two main gate line.
The beneficial effects of the utility model are after using, in time printing grid line and have broken string, because two grid lines circular arc or straight lines connect, the electric current at broken string place can be pooled in main gate line again by circular arc or straight line, like this can collection Isc as much as possible, reduce the impact of broken string on Isc.
Accompanying drawing explanation
The former grid line design structural representation of Fig. 1
Grid line design structural representation in Fig. 2 the utility model
Secondary grid line a structure chart partly in grid line structure figure in Fig. 3 the utility model.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail.
In this embodiment, adopt two kinds of experimental programs to carry out comparative illustration, two kinds of experimental programs all adopt the project organization of three main gate line, experimental program one: adopt former grid line design structure, and as shown in Figure 1, positive electrode pattern housing is closed; Experimental program two: adopt the grid line design structure that the utility model provides, as shown in Figure 2, positive electrode housing is that adjacent two secondary grid line ports are connected, and the structure of secondary grid line as shown in Figure 3.In above-mentioned experimentation, all adopt polycrystalline silicon battery plate and the conventional polycrystalline cell piece preparation technology of 156mm*156mm, the cell piece prepared is through electric performance test, and its result is as shown in the table.
| NCell | Uoc | Isc | Rs | Rsh | FF | Irev2 | |
| Experimental program two | 17.58% | 0.630 | 8.583 | 0.00226 | 350.88 | 79.05 | 0.0272 |
| Experimental program one | 17.53% | 0.630 | 8.571 | 0.00234 | 340.29 | 79.03 | 0.0304 |
From above-mentioned experimental data, the grid line design scheme that the utility model provides has certain advantage on Isc, thus promotes the electricity conversion of crystal-silicon battery slice.
Claims (1)
1. one kind is reduced the grid line structure of current loss, comprise main gate line and secondary grid line, it is characterized in that: main gate line is made up of more than three or three segmented main gate line, the design feature of secondary grid line is that adjacent two secondary grid line circular arc or straight lines connect, and this junction is between adjacent two main gate line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732838.5U CN204289472U (en) | 2014-11-28 | 2014-11-28 | A kind of grid line structure reducing current loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732838.5U CN204289472U (en) | 2014-11-28 | 2014-11-28 | A kind of grid line structure reducing current loss |
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| Publication Number | Publication Date |
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| CN204289472U true CN204289472U (en) | 2015-04-22 |
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| CN201420732838.5U Active CN204289472U (en) | 2014-11-28 | 2014-11-28 | A kind of grid line structure reducing current loss |
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| CN (1) | CN204289472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377255A (en) * | 2014-11-28 | 2015-02-25 | 浙江鸿禧能源股份有限公司 | Grid line designing method capable of reducing current loss |
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2014
- 2014-11-28 CN CN201420732838.5U patent/CN204289472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377255A (en) * | 2014-11-28 | 2015-02-25 | 浙江鸿禧能源股份有限公司 | Grid line designing method capable of reducing current loss |
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