CN203941915U - A kind of radial solar energy electrode grid line structure - Google Patents
A kind of radial solar energy electrode grid line structure Download PDFInfo
- Publication number
- CN203941915U CN203941915U CN201420220268.1U CN201420220268U CN203941915U CN 203941915 U CN203941915 U CN 203941915U CN 201420220268 U CN201420220268 U CN 201420220268U CN 203941915 U CN203941915 U CN 203941915U
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- China
- Prior art keywords
- grid line
- negative pole
- main grid
- monocrystalline silicon
- pole main
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a kind of radial solar energy electrode grid line structure, described radial solar energy electrode grid line structure comprises square monocrystalline silicon piece, described monocrystalline silicon piece comprises front and back, there are many thin grid lines of linearity negative pole in the equal portion in described front, and the thin grid line of described negative pole is outwards radial uniform along monocrystalline silicon piece middle part; The described back side is provided with annular negative pole main grid line; In described monocrystalline silicon piece, be provided with a plurality of connecting holes, the thin grid line of described negative pole is connected by connecting hole with negative pole main grid line; The described back side is also provided with positive electrode.So both can expand main grid line width and also can reduce the shading-area in solar battery sheet front, and then improve electricity conversion.
Description
Technical field
The utility model relates to a kind of radial solar energy electrode grid line structure.
Background technology
As everyone knows, in conventional solar cell blade technolgy, main grid line is positioned at cell piece front, in order to reduce final series resistance, therefore need certain width, but also increased positive shading-area simultaneously, the thin grid line charge-trapping of existing linearity is limited in one's ability simultaneously; Such structure is unfavorable for the raising of electricity conversion.Prior art is badly in need of the solar battery sheet that a kind of electricity conversion is higher.
Utility model content
The purpose of this utility model is to overcome the defect existing in prior art, and the radial solar energy electrode grid line structure that a kind of electricity conversion is higher is provided.
For achieving the above object, the technical solution of the utility model has been to provide a kind of radial solar energy electrode grid line structure, described radial solar energy electrode grid line structure comprises square monocrystalline silicon piece, described monocrystalline silicon piece comprises front and back, there are many thin grid lines of linearity negative pole in the equal portion in described front, and the thin grid line of described negative pole is outwards radial uniform along monocrystalline silicon piece middle part; The described back side is provided with annular negative pole main grid line; In described monocrystalline silicon piece, be provided with a plurality of connecting holes, the thin grid line of described negative pole is connected by connecting hole with negative pole main grid line; The described back side is also provided with positive electrode.So both can expand main grid line width and also can reduce the shading-area in solar battery sheet front.
As preferably, in described connecting hole, be filled with conductive silver paste, described conductive silver paste two ends are connected with negative pole main grid line with the thin grid line of negative pole respectively; Between described conductive silver paste and connecting hole inwall, be provided with insulation film, between described negative pole main grid line and the monocrystalline silicon piece back side, be provided with insulation film.Short circuit is avoided in such design.
As preferably, described monocrystalline silicon piece is horizontally disposed with, and described connecting hole connects vertical direction setting; The thin grid line inner end of described negative pole forms circular contour; Described negative pole main grid line comprises interior negative pole main grid line and outer negative pole main grid line, and the thin grid line inner end of described negative pole is connected with interior negative pole main grid line by connecting hole; The thin grid line of described negative pole is put direction projection and outer negative pole main grid line is staggered along perpendicular; The thin grid line of described negative pole is connected by connecting hole with outer negative pole main grid line along intervening portion.Being designed with is like this beneficial to strengthens being connected of the thin grid line of negative pole and negative pole main grid line.
As preferably, the thin grid line of described negative pole and connecting hole junction are provided with circular tie point, and described interior negative pole main grid line and outer negative pole main grid line are annular.Such design is the further optimization to scheme.
Advantage of the present utility model and beneficial effect are: in order to increase to greatest extent light-receiving area, we move on to main grid line at the back side of cell piece, by punching on cell piece, the mode that slurry is inserted in hole couples together the main grid at the secondary grid line in front and the back side, so both can expand main grid line width and also can reduce the shading-area in solar battery sheet front, and then improve electricity conversion.
Accompanying drawing explanation
Fig. 1 is the utility model Facad structure schematic diagram;
Fig. 2 is the utility model structure schematic diagram;
Fig. 3 is the utility model connecting hole structural representation.
In figure: 1, front; 2, the back side; 3, the thin grid line of negative pole; 4, negative pole main grid line; 5, connecting hole; 6, positive electrode; 7, conductive silver paste; 8, insulation film; 9, tie point; 10, outer negative pole main grid line.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection range of the present utility model with this.
As shown in Figure 1-Figure 3, a kind of radial solar energy electrode grid line structure, described radial solar energy electrode grid line structure comprises square monocrystalline silicon piece, described monocrystalline silicon piece comprises front 1 and the back side 2, there are many thin grid lines 3 of linearity negative pole in described positive 1 equal portion, and the thin grid line 3 of described negative pole is outwards radial uniform along monocrystalline silicon piece middle part; The described back side 2 is provided with annular negative pole main grid line; In described monocrystalline silicon piece, be provided with a plurality of connecting holes 5, the thin grid line 3 of described negative pole is connected by connecting hole 5 with negative pole main grid line; The described back side 2 is also provided with positive electrode 6.
In described connecting hole 5, be filled with conductive silver paste 7, described conductive silver paste 7 two ends are connected with negative pole main grid line 4 with the thin grid line 3 of negative pole respectively; Between described conductive silver paste 7 and connecting hole 5 inwalls, be provided with insulation film 8, between described negative pole main grid line and the monocrystalline silicon piece back side 2, be provided with insulation film 8.
Described monocrystalline silicon piece is horizontally disposed with, and described connecting hole 5 connects vertical direction setting; Thin grid line 3 inner ends of described negative pole form circular contour; Described negative pole main grid line comprises interior negative pole main grid line 4 and outer negative pole main grid line 10, and thin grid line 3 inner ends of described negative pole are connected with interior negative pole main grid line 4 by connecting hole 5; The thin grid line of described negative pole 3 is put direction projection and outer negative pole main grid line 10 is staggered along perpendicular, and the thin grid line 3 of described negative pole is connected by connecting hole 5 with outer negative pole main grid line 10 along intervening portion.
The thin grid line 3 of described negative pole is provided with circular tie point 9 with connecting hole 5 junctions, and described interior negative pole main grid line 4 and outer negative pole main grid line 10 are annular.Outer negative pole main grid line 10 and the thin grid line 3 of negative pole are connected similar to shown in Fig. 3 of structure by connecting hole 5, only negative pole main grid line 4 in figure need be replaced with to outer negative pole main grid line 10.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing from the front lower of 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 (4)
1. a radial solar energy electrode grid line structure, it is characterized in that: described radial solar energy electrode grid line structure comprises square monocrystalline silicon piece, described monocrystalline silicon piece comprises front and back, there are many thin grid lines of linearity negative pole in the equal portion in described front, and the thin grid line of described negative pole is outwards radial uniform along monocrystalline silicon piece middle part; The described back side is provided with annular negative pole main grid line; In described monocrystalline silicon piece, be provided with a plurality of connecting holes, the thin grid line of described negative pole is connected by connecting hole with negative pole main grid line; The described back side is also provided with positive electrode.
2. radial solar energy electrode grid line structure as claimed in claim 1, is characterized in that: in described connecting hole, be filled with conductive silver paste, described conductive silver paste two ends are connected with negative pole main grid line with the thin grid line of negative pole respectively; Between described conductive silver paste and connecting hole inwall, be provided with insulation film, between described negative pole main grid line and the monocrystalline silicon piece back side, be provided with insulation film.
3. radial solar energy electrode grid line structure as claimed in claim 2, is characterized in that: described monocrystalline silicon piece is horizontally disposed with, and described connecting hole connects vertical direction setting; The thin grid line inner end of described negative pole forms circular contour; Described negative pole main grid line comprises interior negative pole main grid line and outer negative pole main grid line, and the thin grid line inner end of described negative pole is connected with interior negative pole main grid line by connecting hole; The thin grid line of described negative pole is put direction projection and outer negative pole main grid line is staggered along perpendicular, and the thin grid line of described negative pole is connected by connecting hole with outer negative pole main grid line along intervening portion.
4. radial solar energy electrode grid line structure as claimed in claim 3, is characterized in that: the thin grid line of described negative pole and connecting hole junction are provided with circular tie point, and described interior negative pole main grid line and outer negative pole main grid line are annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220268.1U CN203941915U (en) | 2014-04-30 | 2014-04-30 | A kind of radial solar energy electrode grid line structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220268.1U CN203941915U (en) | 2014-04-30 | 2014-04-30 | A kind of radial solar energy electrode grid line structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203941915U true CN203941915U (en) | 2014-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201420220268.1U Expired - Fee Related CN203941915U (en) | 2014-04-30 | 2014-04-30 | A kind of radial solar energy electrode grid line structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN203941915U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405903A (en) * | 2015-12-18 | 2016-03-16 | 四川钟顺太阳能开发有限公司 | Solar cell surface grid line structure suitable for high concentration |
| CN105428430A (en) * | 2015-12-18 | 2016-03-23 | 四川钟顺太阳能开发有限公司 | Multi-junction GaAs solar cell surface grid line structure |
| CN106328730A (en) * | 2016-11-07 | 2017-01-11 | 刘锋 | Solar cell with efficient light interception |
| 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 |
| CN110707171A (en) * | 2019-10-24 | 2020-01-17 | 荣马实业有限公司 | MWT back contact type efficient photovoltaic cell and production process |
-
2014
- 2014-04-30 CN CN201420220268.1U patent/CN203941915U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405903A (en) * | 2015-12-18 | 2016-03-16 | 四川钟顺太阳能开发有限公司 | Solar cell surface grid line structure suitable for high concentration |
| CN105428430A (en) * | 2015-12-18 | 2016-03-23 | 四川钟顺太阳能开发有限公司 | Multi-junction GaAs solar cell surface grid line structure |
| CN106328730A (en) * | 2016-11-07 | 2017-01-11 | 刘锋 | Solar cell with efficient light interception |
| 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 |
| CN110707171A (en) * | 2019-10-24 | 2020-01-17 | 荣马实业有限公司 | MWT back contact type efficient photovoltaic cell and production process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20150430 |
|
| EXPY | Termination of patent right or utility model |