CN203232878U - Solar cell front electrode structure - Google Patents
Solar cell front electrode structure Download PDFInfo
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- CN203232878U CN203232878U CN 201320217190 CN201320217190U CN203232878U CN 203232878 U CN203232878 U CN 203232878U CN 201320217190 CN201320217190 CN 201320217190 CN 201320217190 U CN201320217190 U CN 201320217190U CN 203232878 U CN203232878 U CN 203232878U
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Abstract
The utility model discloses a solar cell front electrode structure which comprises a main grid line and a number of parallel sub grid lines. The sub grid lines are perpendicular to the main grid line. The same sub grid line is of gradient structure in width, and the sub grid line has the maximum width at the intersection with the main grid line. The same sub grid line is of gradient structure in thickness, and the sub grid line has the maximum thickness at the intersection with the main grid line. According to the utility model, the same sub grid line is of gradient structure in width and thickness; the shading area is reduced; the cell series resistance is reduced; power loss of current in transmission in a grid line is improved; the cell conversion efficiency is improved; a grid line near the position of a main grid is designed to be wide, a breakpoint is not easily produced when grid line printing is carried out; local failure risks caused by grid breaking are reduced; due to the design of fine grid lines, the cell light area is increased and the performance of a solar cell is improved; and the solar cell front electrode structure has the advantages of simple structure and easy realization.
Description
Technical field
The utility model relates to the front electrode of solar battery structure.
Background technology
The gate electrode line effect is great in crystal silicon solar energy battery, serves as the effect of collecting photo-generated carrier.
Existing electrode pattern design, highly designs and is steady state value the grid line width, does not consider other influencing factors, and all grid lines resistance value everywhere are identical.
Through the grid line electric current transmitted, more near apart from main grid, collected current is more big, and is under the grid line situation that resistance is constant everywhere, more just more big near the main grid power loss.
The utility model content
The purpose of this utility model is to provide a kind of front electrode of solar battery structure, this electrode structure is grading structure with a grid line at width and thickness, can either reduce the shading area, can reduce the series resistance of battery again, improve the power loss that electric current transmits in grid line, improve battery conversion efficiency.
For achieving the above object, the technical solution of the utility model is a kind of front electrode of solar battery structure of design, comprises main grid line and many inferior grid lines that are parallel to each other, and inferior grid line is perpendicular to the main grid line; With a grid line be grading structure at width, inferior grid line with main grid line intersection be Breadth Maximum; With a grid line also be grading structure on thickness, inferior grid line with main grid line intersection be maximum ga(u)ge.
Preferably, described is the ladder grading structure with a grid line at width.
Preferably, described is the slope grading structure with a grid line at width.
Preferably, described is the ladder grading structure with a grid line at thickness.
Preferably, described is the slope grading structure with a grid line at thickness.
Preferably, described time the grid line width is inversely proportional to the distance of time grid line apart from the main grid line, is grading structure.
Preferably, described time grid line thickness is inversely proportional to the distance of time grid line apart from the main grid line, is grading structure.
Preferably, described width gradual change between 40-80 μ m with a grid line.
Preferably, described thickness gradual change between 10-30 μ m with a grid line.
Preferably, described grid line be identical with the width of the width of main grid line intersection and main grid line, and inferior grid line is identical with the thickness of the thickness of main grid line intersection and main grid line.
The characteristic that the utility model is collected charge carrier at gate electrode line for reducing the power loss in the transmission course, is designed to gradual change type with electrode of solar battery time grid line, and the closer to the main grid line, inferior grid line design width is more wide; Electrode of solar battery time grid line can be designed to the stepped combination of different in width grid line, near main grid line one end, grid line design width is wide.Otherwise away from the main grid line, the grid line width is thin.
Advantage of the present utility model and beneficial effect are: a kind of front electrode of solar battery structure is provided, this electrode structure is grading structure with a grid line at width and thickness, can either reduce the shading area, can reduce the series resistance of battery again, improve the power loss that electric current transmits in grid line, improve battery conversion efficiency.
Grid line design near the main grid position is more wide, and the grid line printing more is not easy to produce breakpoint, reduces the partial failure risk that disconnected grid cause.
Thinner grid line design has increased the battery light-receiving area, has improved Solar cell performance.
And the utility model is simple in structure, realizes easily.
Description of drawings
Fig. 1 is the schematic diagram of the utility model embodiment 1;
Fig. 2 is the schematic diagram of the utility model embodiment 2.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described.Following examples only are used for the technical solution of the utility model more clearly is described, and can not limit protection range of the present utility model with this.
The concrete technical scheme of implementing of the utility model is:
A kind of front electrode of solar battery structure comprises main grid line 1 and many inferior grid lines 2 that are parallel to each other, and inferior grid line 2 is perpendicular to main grid line 1; With a grid line 2 be grading structure at width, inferior grid line 2 with main grid line 1 intersection be Breadth Maximum; With a grid line 2 also be grading structure on thickness, inferior grid line 2 with main grid line 1 intersection be maximum ga(u)ge.
Described is the ladder grading structure with a grid line 2 at width.
Described is the ladder grading structure with a grid line 2 at thickness.
Described width gradual change between 40-80 μ m with a grid line.
Described thickness gradual change between 10-30 μ m with a grid line.
Described grid line 2 be identical with the width of the width of main grid line 1 intersection and main grid line 1, and inferior grid line 2 is identical with the thickness of the thickness of main grid line 1 intersection and main grid line 1.
A kind of front electrode of solar battery structure comprises main grid line 3 and many inferior grid lines 4 that are parallel to each other, and inferior grid line 4 is perpendicular to main grid line 3; With a grid line 4 be grading structure at width, inferior grid line 4 with main grid line 3 intersections be Breadth Maximum; With a grid line 4 also be grading structure on thickness, inferior grid line 4 with main grid line 3 intersections be maximum ga(u)ge.
Described is the slope grading structure with a grid line 4 at width.
Described is the slope grading structure with a grid line 4 at thickness.
Described width gradual change between 40-80 μ m with a grid line.
Described thickness gradual change between 10-30 μ m with a grid line.
Described grid line 4 be identical with the width of the width of main grid line 3 intersections and main grid line 3, and inferior grid line 4 is identical with the thickness of the thickness of main grid line 3 intersections and main grid line 3.
A kind of front electrode of solar battery structure comprises main grid line and many inferior grid lines that are parallel to each other, and inferior grid line is perpendicular to the main grid line; With a grid line be grading structure at width, inferior grid line with main grid line intersection be Breadth Maximum; With a grid line also be grading structure on thickness, inferior grid line with main grid line intersection be maximum ga(u)ge.
Described is the ladder grading structure with a grid line at width.
Described is the slope grading structure with a grid line at thickness.
Described width gradual change between 40-80 μ m with a grid line.
Described thickness gradual change between 10-30 μ m with a grid line.
Described grid line be identical with the width of the width of main grid line intersection and main grid line, and inferior grid line is identical with the thickness of the thickness of main grid line intersection and main grid line.
A kind of front electrode of solar battery structure comprises main grid line and many inferior grid lines that are parallel to each other, and inferior grid line is perpendicular to the main grid line; With a grid line be grading structure at width, inferior grid line with main grid line intersection be Breadth Maximum; With a grid line also be grading structure on thickness, inferior grid line with main grid line intersection be maximum ga(u)ge.
Described is the slope grading structure with a grid line at width.
Described is the ladder grading structure with a grid line at thickness.
Described width gradual change between 40-80 μ m with a grid line.
Described thickness gradual change between 10-30 μ m with a grid line.
Described grid line be identical with the width of the width of main grid line intersection and main grid line, and inferior grid line is identical with the thickness of the thickness of main grid line intersection and main grid line.
Embodiment 5
A kind of front electrode of solar battery structure comprises main grid line and many inferior grid lines that are parallel to each other, and inferior grid line is perpendicular to the main grid line; With a grid line be grading structure at width, inferior grid line with main grid line intersection be Breadth Maximum; With a grid line also be grading structure on thickness, inferior grid line with main grid line intersection be maximum ga(u)ge.
Described time the grid line width is inversely proportional to the distance of time grid line apart from the main grid line, is grading structure.
Described time grid line thickness is inversely proportional to the distance of time grid line apart from the main grid line, is grading structure.
Described width gradual change between 40-80 μ m with a grid line.
Described thickness gradual change between 10-30 μ m with a grid line.
Described grid line be identical with the width of the width of main grid line intersection and main grid line, and inferior grid line is identical with the thickness of the thickness of main grid line intersection and main grid line.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. the front electrode of solar battery structure is characterized in that, comprises main grid line and many inferior grid lines that are parallel to each other, and inferior grid line is perpendicular to the main grid line; With a grid line be grading structure at width, inferior grid line with main grid line intersection be Breadth Maximum; With a grid line also be grading structure on thickness, inferior grid line with main grid line intersection be maximum ga(u)ge.
2. front electrode of solar battery structure according to claim 1 is characterized in that, described is the ladder grading structure with a grid line at width.
3. front electrode of solar battery structure according to claim 1 is characterized in that, described is the slope grading structure with a grid line at width.
4. front electrode of solar battery structure according to claim 1 is characterized in that, described is the ladder grading structure with a grid line at thickness.
5. front electrode of solar battery structure according to claim 1 is characterized in that, described is the slope grading structure with a grid line at thickness.
6. front electrode of solar battery structure according to claim 1 is characterized in that, described time the grid line width is inversely proportional to the distance of time grid line apart from the main grid line, is grading structure.
7. front electrode of solar battery structure according to claim 1 is characterized in that, and is described, and described time grid line thickness is inversely proportional to the distance of time grid line apart from the main grid line, is grading structure.
8. front electrode of solar battery structure according to claim 1 is characterized in that, described width gradual change between 40-80 μ m with a grid line.
9. front electrode of solar battery structure according to claim 1 is characterized in that, described thickness gradual change between 10-30 μ m with a grid line.
10. front electrode of solar battery structure according to claim 1 is characterized in that, described grid line be identical with the width of the width of main grid line intersection and main grid line, and inferior grid line is identical with the thickness of the thickness of main grid line intersection and main grid line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217190 CN203232878U (en) | 2013-04-27 | 2013-04-27 | Solar cell front electrode structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217190 CN203232878U (en) | 2013-04-27 | 2013-04-27 | Solar cell front electrode structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203232878U true CN203232878U (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320217190 Expired - Lifetime CN203232878U (en) | 2013-04-27 | 2013-04-27 | Solar cell front electrode structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203232878U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426942A (en) * | 2013-08-29 | 2013-12-04 | 中利腾晖光伏科技有限公司 | Grid line structure of crystalline silicon cell |
| CN103515460A (en) * | 2013-10-22 | 2014-01-15 | 江苏峰谷源储能技术研究院有限公司 | Solar cell with gradually varied fine grid |
| CN103545388A (en) * | 2013-11-15 | 2014-01-29 | 英利能源（中国）有限公司 | Solar cell panel assembly |
| CN104332506A (en) * | 2014-09-30 | 2015-02-04 | 信阳师范学院 | Photovoltaic cell and printing screen plate used for printing gate lines of photovoltaic cell |
| CN104638032A (en) * | 2015-01-22 | 2015-05-20 | 中电电气（南京）光伏有限公司 | Positive electrode grid line of solar cell, solar cell and manufacturing method of solar cell |
| CN111114108A (en) * | 2020-01-06 | 2020-05-08 | 江西展宇新能源股份有限公司 | Solar cell positive electrode screen printing plate |
| CN111180533A (en) * | 2020-01-23 | 2020-05-19 | 成都晔凡科技有限公司 | Laminated tile assembly, solar cell and manufacturing method of laminated tile assembly |
| US20210399151A1 (en) * | 2018-07-24 | 2021-12-23 | Zhejiang Aiko Solar Energy Technology Co., Ltd. | Positive electrode of crystalline silicon solar cell having gate rupture prevention function |
-
2013
- 2013-04-27 CN CN 201320217190 patent/CN203232878U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426942A (en) * | 2013-08-29 | 2013-12-04 | 中利腾晖光伏科技有限公司 | Grid line structure of crystalline silicon cell |
| CN103515460A (en) * | 2013-10-22 | 2014-01-15 | 江苏峰谷源储能技术研究院有限公司 | Solar cell with gradually varied fine grid |
| CN103545388A (en) * | 2013-11-15 | 2014-01-29 | 英利能源（中国）有限公司 | Solar cell panel assembly |
| CN104332506A (en) * | 2014-09-30 | 2015-02-04 | 信阳师范学院 | Photovoltaic cell and printing screen plate used for printing gate lines of photovoltaic cell |
| 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 |
| CN104638032A (en) * | 2015-01-22 | 2015-05-20 | 中电电气（南京）光伏有限公司 | Positive electrode grid line of solar cell, solar cell and manufacturing method of solar cell |
| US20210399151A1 (en) * | 2018-07-24 | 2021-12-23 | Zhejiang Aiko Solar Energy Technology Co., Ltd. | Positive electrode of crystalline silicon solar cell having gate rupture prevention function |
| US11817511B2 (en) * | 2018-07-24 | 2023-11-14 | Zhejiang Aiko Solar Energy Technology Co., Ltd. | Positive electrode of crystalline silicon solar cell having gate rupture prevention function |
| CN111114108A (en) * | 2020-01-06 | 2020-05-08 | 江西展宇新能源股份有限公司 | Solar cell positive electrode screen printing plate |
| CN111180533A (en) * | 2020-01-23 | 2020-05-19 | 成都晔凡科技有限公司 | Laminated tile assembly, solar cell and manufacturing method of laminated tile assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 1, Tenghui Road, Chang Kun Industrial Park, Suzhou, Changshou City, Jiangsu Patentee after: SUZHOU TALESUN SOLAR TECHNOLOGIES Co.,Ltd. Address before: No. 1, Tenghui Road, Chang Kun Industrial Park, Suzhou, Jiangsu Province, Jiangsu Province, Changshou City Patentee before: ZHONGLI TALESUN SOLAR Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131009 |
|
| CX01 | Expiry of patent term |