CN103606575A - Solar cell - Google Patents
Solar cell Download PDFInfo
- Publication number
- CN103606575A CN103606575A CN201310594154.3A CN201310594154A CN103606575A CN 103606575 A CN103606575 A CN 103606575A CN 201310594154 A CN201310594154 A CN 201310594154A CN 103606575 A CN103606575 A CN 103606575A
- Authority
- CN
- China
- Prior art keywords
- solar cell
- generator unit
- cutting zone
- backplate
- electric conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005520 cutting process Methods 0.000 claims abstract description 55
- 239000004020 conductor Substances 0.000 claims description 24
- 239000006117 anti-reflective coating Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/022433—Particular geometry of the grid contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
- H01L31/0508—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module the interconnection means having a particular shape
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
- Sustainable Energy (AREA)
Abstract
The invention provides a solar cell. The solar cell comprises multiple cutting areas. Each cutting area comprises multiple generating units (10), a front surface electrode (30) which is disposed at the front surface of the multiple generating units (10) and is connected with the front surface of each generating unit (10) in the cutting area, and a back surface electrode (40) which is disposed at the back surface of the multiple generating units (10) and is connected with the back surface of each generating unit (10) in the cutting area. The technical scheme provided by the invention effectively solves the problem that the solar cell is inconvenient to cut for use after manufacturing molding in the prior art.
Description
Technical field
The present invention relates to technical field of solar, in particular to a kind of solar cell.
Background technology
At present, the solar module of producing both at home and abroad, is all that a solar cell comprises a lot of generator units.The energy output of each generator unit is smaller, cannot use separately, and the electric weight that therefore generator unit need to be produced collects.Each generator unit has positive pole and negative pole, and the positive pole or the negative pole that first by secondary grid line, every a line generator unit are connected couple together, then by the electric weight collecting on all secondary grid lines of main grid congruence stream.
Like this, then main grid line is connected to electrical appliance or storage battery just can be used solar module, has realized generator unit is produced to gathering of electric weight.Grid line is parallel lines, is not easy to cut apart use.Solar cell operating current is larger simultaneously, and 156mm * 156mm battery of take is example, and electric current, in 7A left and right, by the larger welding of the product needed sectional area of its production, cable and large electric current terminal box, can not be applied in the little current circuit system of low pressure easily.In addition, solar cell main grid electrode width is wider, and overall area occupied is larger, affects generating efficiency; Simultaneously wide main grid, the secondary grid of linear pattern need a large amount of silver slurries, and cost is higher.
Summary of the invention
The present invention aims to provide a kind of solar cell, to solve solar cell manufacture moulding in prior art, is not easy to cut apart use problem.
To achieve these goals, the invention provides a kind of solar cell, comprise a plurality of cutting zones, each cutting zone includes: a plurality of generator units; Front electrode, is positioned at the positive of a plurality of generator units and is connected with the front of each generator unit of this cutting zone by the first electric conductor; Backplate, is positioned at the back side of a plurality of generator units and is connected with the back side of each generator unit of this cutting zone by the second electric conductor.
Further, the first electric conductor is grid line.
Further, the second electric conductor is conducting film, covers the back side of a plurality of generator units and is connected with backplate.
Further, solar cell also comprises antireflective coating, and antireflective coating covers the positive of a plurality of generator units and dodges front electrode.
Further, the material of antireflective coating is Si
3n
4.
Further, front electrode is a plurality of, and a plurality of front electrodes are array-like and distribute, and backplate is a plurality of, and the position of backplate on the back side of cutting zone is corresponding one by one with the position of front electrode on the front of cutting zone.
Further, a plurality of generator units are array-like and distribute, and grid line is many, and every row generator unit connects by a grid line, and each row generator unit connects by a grid line.
Further, a plurality of front electrodes and a plurality of generator unit arrange one to one.
Further, the material of conducting film is aluminium.
Apply technical scheme of the present invention, solar cell comprises a plurality of cutting zones, and wherein, each cutting zone includes a plurality of generator units, front electrode, backplate, the first electric conductor and the second electric conductor.Wherein, front electrode is positioned at the positive of a plurality of generator units and is connected with the front of each generator unit of this cutting zone by the first electric conductor.Backplate is positioned at the back side of a plurality of generator units and is connected with the back side of each generator unit of this cutting zone by the second electric conductor.Therefore, the front of the generator unit in every cutting zone all can be electrically connected to effectively by the first electric conductor, the back side of the generator unit in every cutting zone all can be electrically connected to effectively by the second electric conductor, and every cutting zone also all has independently front electrode and backplate.As long as the front electrode of every cutting zone is connected with electrical appliance with backplate by wire again, under regular service conditions, just can make every solar cell after cutting carry out supplier of electricity to electrical appliance.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows according to the structural representation of the embodiment of solar cell of the present invention luminescence unit;
Fig. 2 shows the schematic diagram of grid line of the solar cell of Fig. 1;
Fig. 3 shows the front electrode of solar cell and the structural representation of grid line of Fig. 1; And
Fig. 4 shows the backplate of solar cell and the structural representation of conducting film of Fig. 1.
Above-mentioned accompanying drawing comprises the following drawings mark:
10, generator unit; 20, grid line; 30, front electrode; 40, backplate; 50, conducting film; 60, antireflective coating.
Embodiment
It should be noted that, in the situation that not conflicting, 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 present invention in detail.
In following execution mode, positive (such as the front of front, front electrode and the generator unit of cutting zone) is sensitive surface, and the back side (such as the back side of the back side, backplate and the generator unit of cutting zone) is shady face.
As shown in Figure 1, Figure 3 and Figure 4, the solar cell of the present embodiment comprises a plurality of cutting zones, and each cutting zone includes: a plurality of generator units 10, front electrode 30, backplate 40.Wherein, the front of cutting zone is corresponding to the front of each generator unit 10.Front electrode 30 is positioned at the positive of cutting zone and is connected with the front of each generator unit 10 of cutting zone by the first electric conductor.Backplate 40 is positioned at the back side of cutting zone and is connected with the back side of each generator unit 10 of cutting zone by the second electric conductor.
The technical scheme of application the present embodiment, solar cell comprises a plurality of cutting zones, wherein, each cutting zone includes a plurality of generator units 10, front electrode 30, backplate 40, the first electric conductor and the second electric conductor.Wherein, front electrode 30 is positioned at the positive of a plurality of generator units 10 and is connected with the front of each generator unit 10 of this cutting zone by the first electric conductor.Backplate 40 is positioned at the back side of a plurality of generator units 10 and is connected with the back side of each generator unit 10 of this cutting zone by the second electric conductor.Therefore, the front of the generator unit 10 in every cutting zone all can be electrically connected to effectively by the first electric conductor, the back side of the generator unit 10 in every cutting zone all can be electrically connected to effectively by the second electric conductor, and every cutting zone also all has independently front electrode 30 and backplate 40.As long as the front electrode of every cutting zone 30 is connected with electrical appliance with backplate 40 by wire again, under regular service conditions, just can make every solar cell after cutting power to electrical appliance.When the region minute cutting off hour, can be applied in easily in the little current circuit system of low pressure.
Preferably, the first electric conductor is grid line 20.Because the cross-sectional area of grid line 20 is little and then can not affect the light that is subject in generator unit 10 fronts.
In the present embodiment, the second electric conductor is preferably conducting film 50.Conducting film 50 covers the back side of a plurality of generator units 10 and is connected with backplate 40 during fabrication.Like this, the manufacturing process of rear surface of solar cell will become simple.
For the utilance for sunlight of protecting generator unit 10 and increasing solar cell, solar cell also comprises antireflective coating 60, and antireflective coating 60 covers the positive of a plurality of generator units 10 and dodges front electrode 30.Like this, by antireflective coating 60, just reduced the solar energy of wasting because of reflection factor.Preferably, the material of antireflective coating 60 is Si
3n
4.
As shown in Figure 3, in the present embodiment, front electrode 30 is a plurality of, and a plurality of front electrodes 30 are array-like and distribute, backplate 40 is a plurality of, and the position of backplate 40 on the back side of cutting zone is corresponding one by one with the position of front electrode 30 on the front of cutting zone.That can improve like this solar cell can cutting.
As shown in Figure 2, can cutting for what further improve solar cell, a plurality of generator units 10 are array-like and distribute, and grid line 20 be many, and every row generator unit 10 connects by a grid line 20, and each row generator unit 10 is by 20 connections of a grid line.When cutting solar cell, as long as comprise front electrode 30 and backplate 40 in cutting zone, all generator units in this cutting zone are electrically connected to mutually.Like this, the division for cutting zone just can be freer.
Can cutting for what enter more that a step improves solar cell, a plurality of described front electrodes 30 and a plurality of described generator unit 10 arrange one to one.Because have electrode to connect on all generator units 10 of solar cell, also have electrical connection between all generator units 10.So solar cell just can be divided cutting zone cutting arbitrarily.In the present embodiment, the material of conducting film 50 is preferably aluminium.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a solar cell, is characterized in that, comprises a plurality of cutting zones, and each cutting zone includes:
A plurality of generator units (10);
Front electrode (30), is positioned at the positive of described a plurality of generator unit (10) and the front by generator unit (10) described in each of the first electric conductor and this cutting zone is connected;
Backplate (40), is positioned at the back side of described a plurality of generator unit (10) and the back side by generator unit (10) described in each of the second electric conductor and this cutting zone is connected.
2. solar cell according to claim 1, is characterized in that, described the first electric conductor is grid line (20).
3. solar cell according to claim 2, is characterized in that, described the second electric conductor is conducting film (50), covers the back side of described a plurality of generator unit (10) and is connected with described backplate (40).
4. solar cell according to claim 1, is characterized in that, described solar cell also comprises antireflective coating (60), and described antireflective coating (60) covers the positive of described a plurality of generator unit (10) and dodges described front electrode (30).
5. solar cell according to claim 4, is characterized in that, the material of described antireflective coating (60) is Si
3n
4.
6. solar cell according to claim 3, it is characterized in that, described front electrode (30) is a plurality of, described a plurality of front electrode (30) is array-like and distributes, described backplate (40) is a plurality of, and the position of described backplate (40) on the back side of described cutting zone is corresponding one by one with the position of described front electrode (30) on the front of described cutting zone.
7. solar cell according to claim 6, it is characterized in that, described a plurality of generator unit (10) is array-like and distributes, described grid line (20) is many, generator unit described in every row (10) connects by a described grid line (20), and each is listed as described generator unit (10) and connects by a described grid line (20).
8. according to the solar cell described in claim 6 or 7, it is characterized in that, a plurality of described front electrodes (30) and a plurality of described generator unit (10) arrange one to one.
9. solar cell according to claim 3, is characterized in that, the material of described conducting film (50) is aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310594154.3A CN103606575B (en) | 2013-11-21 | 2013-11-21 | Solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310594154.3A CN103606575B (en) | 2013-11-21 | 2013-11-21 | Solar cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103606575A true CN103606575A (en) | 2014-02-26 |
| CN103606575B CN103606575B (en) | 2016-03-23 |
Family
ID=50124790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310594154.3A Active CN103606575B (en) | 2013-11-21 | 2013-11-21 | Solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103606575B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06140646A (en) * | 1992-07-14 | 1994-05-20 | Canon Inc | Photosensor |
| CN1941428A (en) * | 2005-09-30 | 2007-04-04 | 三洋电机株式会社 | Rectangular shaped solar cell module and its manufacturing method using hexagonal shaped unit solar cells |
| CN101006589A (en) * | 2004-09-03 | 2007-07-25 | 信越化学工业株式会社 | Module and system for solar electricity generation |
| CN101976708A (en) * | 2010-09-22 | 2011-02-16 | 中国科学院宁波材料技术与工程研究所 | Method for improving photoelectric conversion efficiency of crystal silicon solar battery |
| CN102414830A (en) * | 2009-04-27 | 2012-04-11 | 京瓷株式会社 | Solar cell element, segmented solar cell element, solar cell module, and electronic appliance |
| JP5153279B2 (en) * | 2007-09-25 | 2013-02-27 | 三洋電機株式会社 | Solar cell module |
| CN102969368A (en) * | 2012-12-10 | 2013-03-13 | 常州天合光能有限公司 | Electrode structure of solar cell piece |
-
2013
- 2013-11-21 CN CN201310594154.3A patent/CN103606575B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06140646A (en) * | 1992-07-14 | 1994-05-20 | Canon Inc | Photosensor |
| CN101006589A (en) * | 2004-09-03 | 2007-07-25 | 信越化学工业株式会社 | Module and system for solar electricity generation |
| CN1941428A (en) * | 2005-09-30 | 2007-04-04 | 三洋电机株式会社 | Rectangular shaped solar cell module and its manufacturing method using hexagonal shaped unit solar cells |
| JP5153279B2 (en) * | 2007-09-25 | 2013-02-27 | 三洋電機株式会社 | Solar cell module |
| CN102414830A (en) * | 2009-04-27 | 2012-04-11 | 京瓷株式会社 | Solar cell element, segmented solar cell element, solar cell module, and electronic appliance |
| CN101976708A (en) * | 2010-09-22 | 2011-02-16 | 中国科学院宁波材料技术与工程研究所 | Method for improving photoelectric conversion efficiency of crystal silicon solar battery |
| CN102969368A (en) * | 2012-12-10 | 2013-03-13 | 常州天合光能有限公司 | Electrode structure of solar cell piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103606575B (en) | 2016-03-23 |
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