CN203351613U - Gate line electrode of solar cell, solar cell and solar cell panel - Google Patents
Gate line electrode of solar cell, solar cell and solar cell panel Download PDFInfo
- Publication number
- CN203351613U CN203351613U CN 201320423760 CN201320423760U CN203351613U CN 203351613 U CN203351613 U CN 203351613U CN 201320423760 CN201320423760 CN 201320423760 CN 201320423760 U CN201320423760 U CN 201320423760U CN 203351613 U CN203351613 U CN 203351613U
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- Prior art keywords
- grid line
- main grid
- gate line
- main
- line
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- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 claims description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 239000002002 slurry Substances 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229910000679 solder Inorganic materials 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
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Classifications
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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 provides a gate line electrode of a solar cell, a solar cell and a solar cell panel. The gate line electrode of the solar cell comprises at least one main gate line and a plurality of fine gate lines (20) disposed in parallel and connected with the main gate line. Each main gate line includes a first main gate line (11) and a second main gate line (12) which extend in parallel with each other. A gap is disposed between the first main gate line (11) and the second main gate line (12). The width of the gap is smaller than that of a solder strip connected correspondingly to the main gate line. According to the utility model, the main gate line in the technical scheme uses less slurry than a single main grid line in the prior art does, and thus the production cost of the solar cell is reduced.
Description
Technical field
The utility model relates to technical field of solar batteries, in particular to a kind of gate line electrode, solar battery sheet and solar panel of solar battery sheet.
Background technology
As shown in Figure 1, in prior art, silicon chip 1 in conventional solar battery sheet ' the gate line electrode of sensitive surface comprise many thin grid lines 20 that be arranged in parallel ' and be arranged on two main grid lines 10 ' (also claiming thick grid line) of whole grid line layout inside.Article two, main grid line 10 ' perpendicular to thin grid line 20 ' and by each thin grid line 20 ' be divided into three parts.Thin grid line 20 ' for collect silicon chip 1 ' the electronics that produces of sensitive surface, the electronics of thin grid line 20 ' collection is transported to outside by main grid line 10 ' collect.
Between a plurality of solar battery sheets by the welding formation solar panel that is connected, above-mentioned welding and silicon chip 1 ' main grid line 10 ' welding.Main grid line 10 ' be with respect to one of reason of thin grid line 20 ' wider, main grid line 10 ' need to be connected with a welding, welding main with main grid line 10 ' on both sides is connected, the wider intensity with the raising welding that welding is designed.Therefore, the certain width of the main grid line 10 be connected with welding ' also just have.Gate line electrode material used is containing silver paste, and due to containing silver paste price comparison costliness, therefore, the proportion that accounts for the solar battery sheet production cost containing the expense of silver paste is very large, has increased the production cost of solar battery sheet.
The utility model content
The utility model aims to provide a kind of use amount that can reduce containing silver paste, and then reduces gate line electrode, solar battery sheet and the solar panel of the solar battery sheet of manufacture of solar cells cost.
To achieve these goals, according to an aspect of the present utility model, a kind of gate line electrode of solar battery sheet is provided, comprise the thin grid line that at least one main grid line be arranged in parallel with many and is connected with the main grid line, each main grid line comprises the first main grid line and the second main grid line extended parallel to each other, have gap between the first main grid line and the second main grid line, the width in gap is less than the width with the welding of the corresponding connection of main grid line.
Further, be connected with many spaced auxiliary grid lines between the first main grid line and the second main grid line.
Further, auxiliary grid line is all vertical with the first main grid line and the second main grid line.
Further, the width of auxiliary grid line is identical with the width of thin grid line.
Further, the quantity of auxiliary grid line equates with the quantity of grid line carefully, many auxiliary grid lines and the corresponding setting one by one of many thin grid lines.
Further, the width in the width of the width of the first main grid line, the second main grid line and gap all equates.
Further, the main grid line is a plurality of, and each main grid line all is positioned at the middle part of each thin grid line.
Further, the first main grid line and the separate setting of the second main grid line.
According on the other hand of the present utility model, a kind of solar battery sheet is provided, comprise silicon chip and be arranged on the gate line electrode on the sensitive surface of silicon chip, the gate line electrode that gate line electrode is above-mentioned solar battery sheet.
According on the other hand of the present utility model, a kind of solar panel is provided, comprise a plurality of solar battery sheets, a plurality of solar battery sheets connect by welding, and solar battery sheet is above-mentioned solar battery sheet.
The application the technical solution of the utility model, the main grid line comprises the first main grid line parallel to each other and the second main grid line, the first main grid line or the second main grid line still can play the effect that collects the collected electronics of thin grid line.There is gap between the first main grid line and the second main grid line, due to welding main with prior art in the both sides of main grid line weld, therefore, the said structure of the first main grid line and the second main grid line has retained the part of the both sides of main grid line in the prior art, and, the width in gap is less than the width with the welding of the corresponding connection of main grid line, and then the bonding strength of the main grid line in the utility model and welding is more firm.Owing between the first main grid line and the second main grid line, thering is gap, therefore, between the first main grid line and the second main grid line, can use less slurry to connect, or without using slurry.That is to say, the volume of the volume of the first main grid line, the second main grid line and slurry volume sum between the two are less than the volume of single main grid line of the prior art.The slurry use amount of the main grid line in gate line electrode of the present utility model is less than the slurry use amount of single main grid line of the prior art, and then has reduced the production cost of solar cell.
The accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows according to the master of the embodiment of the solar battery sheet of prior art and looks schematic diagram;
The master of embodiment mono-that Fig. 2 shows the gate line electrode of solar battery sheet of the present utility model looks schematic diagram; And
The master of embodiment bis-that Fig. 3 shows the gate line electrode of solar battery sheet of the present utility model looks schematic diagram.
Wherein, the Reference numeral in above-mentioned figure is as follows:
11, the first main grid line; 12, the second main grid line; 17, auxiliary grid line; 20, thin grid line; 1 ', silicon chip; 10 ', the main grid line; 20 ', thin grid line.
Embodiment
It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 2, the gate line electrode of the solar battery sheet of embodiment mono-comprises the thin grid line 20 that at least one main grid line be arranged in parallel with many and is connected with the main grid line, each main grid line comprises the first main grid line 11 and the second main grid line 12 extended parallel to each other, have gap between the first main grid line 11 and the second main grid line 12, the width in gap is less than the width with the welding of the corresponding connection of main grid line.
The gate line electrode of Application Example one, the main grid line comprises that the first main grid line 11 parallel to each other and the second main grid line 12, the first main grid lines 11 or the second main grid line 12 still can play the effect that collects the collected electronics of thin grid line 20.There is gap between the first main grid line 11 and the second main grid line 12, due to welding main with the prior art shown in Fig. 1 in main grid line 10 ' both sides weld, therefore, the said structure of the first main grid line 11 and the second main grid line 12 retained main grid line 10 in the prior art ' the part of both sides, and, the width in gap is less than the width with the welding of the corresponding connection of main grid line, and then the bonding strength of the main grid line in embodiment mono-and welding is more firm.Owing between the first main grid line 11 and the second main grid line 12, thering is gap, therefore, between the first main grid line 11 and the second main grid line 12, can use less slurry to connect, or without using slurry.That is to say, the volume of the first main grid line 11, the second main grid line 12 and slurry volume sum between the two be less than the of the prior art single main grid line 10 shown in Fig. 1 ' volume, the slurry use amount of the main grid line in the gate line electrode of the present embodiment be less than the of the prior art single main grid line 10 shown in Fig. 1 ' the slurry use amount, and then reduced the production cost of solar cell.
For the electronics that silicon chip corresponding to gap portion that prevents the first main grid line 11 and the second main grid line 12 produces can't all be collected on the first main grid line 11 and the second main grid line 12, as shown in Figure 2, be connected with many spaced auxiliary grid lines 17 between the first main grid line 11 and the second main grid line 12.The electronics that auxiliary grid line 17 produces for the silicon chip of collecting between the first main grid line 11 and the second main grid line 12, like this, improved the generating efficiency of solar cell.
As shown in Figure 2, in embodiment mono-, auxiliary grid line 17 is all vertical with the first main grid line 11 and the second main grid line 12.Like this, can make the length of auxiliary grid line 17 the shortest, and then save slurry.
As shown in Figure 2, in embodiment mono-, the width of auxiliary grid line 17 is identical with the width of thin grid line 20.Said structure has reduced the cost of screen printing template.
As shown in Figure 2, in embodiment mono-, the quantity of auxiliary grid line 17 equates with the quantity of grid line 20 carefully, many auxiliary grid lines 17 and the corresponding setting one by one of many thin grid lines 20.Like this, improved the generating efficiency of solar cell.
In embodiment mono-, the width of the width of the first main grid line 11, the second main grid line 12 and the width in gap all equate.Take main grid line in prior art width as 1.5mm be basis, so, in embodiment mono-, the width of the width of the first main grid line 11, the second main grid line 12 and the width in gap are 0.5mm.Like this, the main grid line, under the prerequisite guaranteed with the bonding strength of welding, has been saved slurry to greatest extent.
In embodiment mono-, the main grid line is two, and two main grid lines all are positioned at the middle part of each thin grid line 20.Preferably, two main grid lines are by each thin grid line 20 trisections.
As shown in Figure 3, embodiment bis-is with the difference of embodiment mono-, the first main grid line 11 and the separate setting of the second main grid line 12.That is to say, between the first main grid line 11 and the second main grid line 12, not auxiliary grid line 17, do not have slurry.Said structure has further been saved slurry.
The embodiment of solar battery sheet of the present utility model (in figure for illustrate) comprises silicon chip and is arranged on the gate line electrode on the sensitive surface of silicon chip, the gate line electrode that gate line electrode is above-mentioned solar battery sheet.
The embodiment of solar panel of the present utility model (in figure for illustrating) comprises a plurality of solar battery sheets, and a plurality of solar battery sheets connect by welding, and solar battery sheet is above-mentioned solar battery sheet.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. the gate line electrode of a solar battery sheet, comprise the thin grid line (20) that at least one main grid line be arranged in parallel with many and be connected with described main grid line, it is characterized in that, each described main grid line comprises the first main grid line (11) and the second main grid line (12) extended parallel to each other, have gap between described the first main grid line (11) and described the second main grid line (12), the width in described gap is less than the width with the welding of the corresponding connection of described main grid line.
2. gate line electrode according to claim 1, is characterized in that, between described the first main grid line (11) and described the second main grid line (12), is connected with many spaced auxiliary grid lines (17).
3. gate line electrode according to claim 2, is characterized in that, described auxiliary grid line (17) is all vertical with described the first main grid line (11) and described the second main grid line (12).
4. gate line electrode according to claim 2, is characterized in that, the width of described auxiliary grid line (17) is identical with the width of described thin grid line (20).
5. according to the described gate line electrode of claim 3 or 4, it is characterized in that, the quantity of described auxiliary grid line (17) equates with the quantity of described thin grid line (20), many described auxiliary grid lines (17) and many described thin grid lines (20) corresponding setting one by one.
6. gate line electrode according to claim 1, is characterized in that, the width of the width of described the first main grid line (11), described the second main grid line (12) and the width in described gap all equate.
7. gate line electrode according to claim 1, is characterized in that, described main grid line is a plurality of, and each described main grid line all is positioned at the middle part of each described thin grid line (20).
8. gate line electrode according to claim 1, is characterized in that, described the first main grid line (11) and the separate setting of described the second main grid line (12).
9. a solar battery sheet, comprise silicon chip and be arranged on the gate line electrode on the sensitive surface of described silicon chip, it is characterized in that the gate line electrode that described gate line electrode is the described solar battery sheet of any one in claim 1 to 8.
10. a solar panel, comprise a plurality of solar battery sheets, and a plurality of described solar battery sheets connect by welding, it is characterized in that, described solar battery sheet is solar battery sheet claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320423760 CN203351613U (en) | 2013-07-16 | 2013-07-16 | Gate line electrode of solar cell, solar cell and solar cell panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320423760 CN203351613U (en) | 2013-07-16 | 2013-07-16 | Gate line electrode of solar cell, solar cell and solar cell panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203351613U true CN203351613U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320423760 Expired - Fee Related CN203351613U (en) | 2013-07-16 | 2013-07-16 | Gate line electrode of solar cell, solar cell and solar cell panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203351613U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707161A (en) * | 2019-11-20 | 2020-01-17 | 通威太阳能(眉山)有限公司 | Screen printing plate structure of monocrystalline silicon solar cell |
| WO2023280247A1 (en) * | 2021-07-08 | 2023-01-12 | 天合光能股份有限公司 | Cell piece |
| WO2023103971A1 (en) * | 2021-12-06 | 2023-06-15 | 天合光能股份有限公司 | Cell |
-
2013
- 2013-07-16 CN CN 201320423760 patent/CN203351613U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707161A (en) * | 2019-11-20 | 2020-01-17 | 通威太阳能(眉山)有限公司 | Screen printing plate structure of monocrystalline silicon solar cell |
| WO2023280247A1 (en) * | 2021-07-08 | 2023-01-12 | 天合光能股份有限公司 | Cell piece |
| WO2023103971A1 (en) * | 2021-12-06 | 2023-06-15 | 天合光能股份有限公司 | Cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |
|
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: Expiration and Termination of 39 Volume 3101 Patent on August 1, 2023 Number: 31-01 Volume: 39 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 |