CN109545870A - A kind of regular hexagon MWT solar battery sheet - Google Patents
A kind of regular hexagon MWT solar battery sheet Download PDFInfo
- Publication number
- CN109545870A CN109545870A CN201811479021.0A CN201811479021A CN109545870A CN 109545870 A CN109545870 A CN 109545870A CN 201811479021 A CN201811479021 A CN 201811479021A CN 109545870 A CN109545870 A CN 109545870A
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- Prior art keywords
- solar battery
- dot matrix
- cell piece
- hole
- cell
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- 239000011159 matrix material Substances 0.000 claims abstract description 39
- 238000004070 electrodeposition Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
-
- 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
- H01L31/02002—Arrangements for conducting electric current to or from the device in operations
-
- 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
- H01L31/022441—Electrode arrangements specially adapted for back-contact solar cells
-
- 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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- Engineering & Computer Science (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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The present invention relates to technical field of solar batteries, are specifically related to a kind of regular hexagon MWT solar battery sheet.Solar battery sheet is to share N number of dot matrix hole for extending vertically through cell piece on regular hexagon and light-receiving surface, and N >=24, N are integer；Solar cell back smooth surface is equipped with the rear electrode of several lattice arrangements；Rear electrode and the Al-BSF of solar battery shady face are in contact.Present invention saves the costs of production solar battery sheet, improve the output power of cell piece；Keep every thin grid line shorter to the distance of conductive hole simultaneously, the power loss on grid line is lower, and the shading-area of grid line is smaller, and output power is higher.
Description
Technical field
The present invention relates to technical field of solar batteries, are specifically related to a kind of regular hexagon MWT solar battery sheet.
Background technique
With the increasingly shortage of fossil energy with the aggravation of environmental pollution, solar energy increasingly causes as a kind of clean energy resource
Pay attention to, and solar battery is then a kind of major way that current people utilize solar energy.Currently, further developing solar cell
Industry primarily solves the problems, such as the use cost for seeking to reduce solar cell.Conventional solar cell piece is rectangular, and is made
The silicon wafer of solar battery sheet is circle, will waste part silicon wafer in cutting.Conventional solar battery positive and negative anodes point
Not Wei Yu cell piece light-receiving surface and shady face, and the front electrode of cell piece can shield portions sunlight so that photogenerated current
Reduce, to influence the photoelectric conversion efficiency of solar battery.
Metal piercing silicon solar cell, abbreviation MWT solar battery.MWT solar battery collects battery front side
The metal transfer filled in electron through hole hole blocks light-receiving surface to eliminate main gate line to cell backside.Although existing
There is MWT solar battery to eliminate main gate line to block light-receiving surface, improves photoelectric conversion efficiency to a certain extent, still
The negligible amounts of conductive through hole cause the distance between thin grid line and hole too long, and the electric current that every thin grid line is collected is larger, make
It obtains and generates excessive thermal losses on thin grid line；A solution be it is appropriate increase conductive hole so that thin grid line and hole it
Between Distance Shortened, reduce the thermal losses on thin grid line.But conductive hole number excessively can block light-receiving surface again, influence photoelectric conversion
Efficiency.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, provide a kind of regular hexagon MWT sun
It can cell piece.
In order to solve the above technical problems, the solution that the present invention uses is:
A kind of regular hexagon MWT solar battery sheet is provided；Solar battery sheet is that N is shared on regular hexagon and light-receiving surface
A dot matrix hole for extending vertically through cell piece, N >=24, N are integer；
Solar cell back smooth surface is equipped with the rear electrode of several lattice arrangements；Rear electrode and solar battery backlight
The Al-BSF in face is in contact.
As an improvement the shape of dot matrix hole is circle.
As an improvement solar battery on piece shares 24 dot matrix holes.
As an improvement solar battery on piece shares 32 dot matrix holes.
As an improvement solar battery on piece shares 48 dot matrix holes.
As an improvement the position of dot matrix hole is N number of identical polygon uniformly distributed on cell piece light-receiving surface
Center.
As an improvement the rear electrode position of 24 dot matrix hole cell pieces are as follows: most about wherein one by cell piece
Long-diagonal is symmetrically divided into four equal parts of width, the midpoint of two neighboring dot matrix hole in each section.
As an improvement the rear electrode position of 32 dot matrix hole cell pieces are as follows: cell piece shady face to be divided into
Cornerwise intersection point of 32 identical isosceles trapezoids.
As an improvement the rear electrode position of 48 dot matrix hole cell pieces are as follows: regular hexagon wherein one most
It is evenly distributed 7 rear electrodes on long-diagonal line, then will be perpendicular to each 4 equal part in two sides in cornerwise direction, two
6 rear electrodes are respectively distributed at the 1/4 of side；5 rear electrodes are respectively distributed at 2/4；4 rear electrodes are respectively distributed at 3/4.
Compared with prior art, the solution have the advantages that:
Regular hexagon MWT solar battery proposed by the present invention saves the cost of production solar battery sheet, improves
The output power of cell piece；Keep every thin grid line shorter to the distance of conductive hole simultaneously, the power loss on grid line is lower, grid line
Shading-area it is smaller, output power is higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of solar battery sheet light-receiving surface in embodiment 1；
Fig. 2 is the structural schematic diagram of solar cell back smooth surface in embodiment 1；
Fig. 3 is the structural schematic diagram of solar battery sheet light-receiving surface in embodiment 2；
Fig. 4 is the structural schematic diagram of solar cell back smooth surface in embodiment 2；
Fig. 5 is the structural schematic diagram of solar battery sheet light-receiving surface in embodiment 3；
Fig. 6 is the structural schematic diagram of solar cell back smooth surface in embodiment 3.
Appended drawing reference are as follows: 1- solar battery sheet；2,8,9- dot matrix hole；3,10,11- grid line；4,12,13- light-receiving surface；
5,14,15- electrode contact point；6,16,17- rear electrode；7- Al-BSF.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated.After the present invention has been read, other skills
Art personnel belong to the application range as defined in the appended claims to the modification of various equivalent forms of the invention.
Embodiment 1
As shown in Figure 1, sharing 24 cylinders on the regular hexagon MWT solar battery sheet 1 that opposite side distance is 185.33mm
Dot matrix hole 2, dot matrix hole 2 extend vertically through solar battery sheet 1, dot matrix hole 2 respectively with the front electrode and back of light-receiving surface 4
The electrode contact point 5 of smooth surface connects；The electric current that the grid line 3 of light-receiving surface 4 collects reaches 24 electricity of shady face by dot matrix hole 2
Pole contact point 5；The shape of dot matrix hole 2 is circle.1 shady face of solar battery sheet shares the rear electrode of 20 lattice arrangements
6, rear electrode 6 connects rear electrode contact point by conductive through hole, and conductive through hole extends vertically through solar battery sheet 1, the back side
Electrode 6 is connected with the Al-BSF 7 of 1 shady face of solar battery sheet.
For 24 dot matrix holes 2, regular hexagonal solar cell piece 1 is divided into 24 equilateral triangles first, so
Solar battery sheet 1, which is extended vertically through, in the center of equilateral triangle afterwards forms dot matrix hole 2.It can be by laser boring too
It is positive to form conductive hole on cell piece 1, conducting medium slurry is further filled in conductive hole by silk-screen printing technique, is passed through
Curing molding forms dot matrix hole 2.
The rear electrode 6 of 20 lattice arrangements of shady face, position is specifically by cell piece 1 about a wherein longest diagonal line
Four equal parts of width symmetrically are divided into, the midpoint of two neighboring dot matrix hole in each section.
Embodiment 2
Solar battery sheet 1 shares 32 dot matrix holes 8, and the electric current that 12 grid line 10 of light-receiving surface collects passes through dot matrix hole 8
32 electrode contact points 14 of shady face are reached, the shape of dot matrix hole 8 is circle, and 1 shady face of solar battery sheet shares 32
The Al-BSF 7 of the rear electrode 16 of a lattice arrangement, rear electrode 16 and solar battery shady face is connected.By regular hexagon
Solar battery sheet 1 is divided into 32 identical isosceles trapezoids, then the position of dot matrix hole 16 is 32 identical
The center of isosceles trapezoid.The position of 32 rear electrodes 16 are as follows: identical by 32 using the center of regular hexagon as origin
Isosceles trapezoid rotates 60 ° counterclockwise, then the center of 32 isosceles trapezoids is rear electrode 16.The technological means that other parts use
It is same as Example 1.
Embodiment 3
Solar battery sheet 1 shares 48 dot matrix holes 9, and the electric current that 13 grid line 11 of light-receiving surface collects passes through dot matrix hole 9
48 electrode contact points 15 of shady face are reached, the shape of dot matrix hole 9 is circle.1 shady face of solar battery sheet shares 37
The Al-BSF 7 of the rear electrode 17 of a lattice arrangement, rear electrode 17 and solar battery shady face is connected.By regular hexagon
Solar battery sheet 1 is divided into 48 identical diamond shapes, then the position of dot matrix hole 9 is 48 identical diamond shapes
Center.The position of 37 rear electrodes 17 are as follows: 7 rear electrodes 17 are evenly distributed on the longest diagonal line line of regular hexagon,
Then it will be perpendicular to cornerwise each 4 equal part in direction two sides, 6 rear electrodes 17 be respectively distributed at the 1/4 of two sides；At 2/4
Respectively 5 rear electrodes 17 of distribution；4 rear electrodes 17 are respectively distributed at 3/4.The technological means and embodiment 1 that other parts use
It is identical.
It is finally noted that the above enumerated are only specific embodiments of the present invention.It is clear that the invention is not restricted to
Upper embodiment can also have many variations.Those skilled in the art can from present disclosure directly export or
All deformations associated, are considered as protection scope of the present invention.
Claims (9)
1. a kind of regular hexagon MWT solar battery sheet；It is characterized in that, the solar battery sheet is regular hexagon and light
N number of dot matrix hole for extending vertically through cell piece is shared on face, N >=24, N are integer；
The solar cell back smooth surface is equipped with the rear electrode of several lattice arrangements；The rear electrode and solar battery
The Al-BSF of shady face is in contact.
2. cell piece according to claim 1, which is characterized in that the shape of the dot matrix hole is circle.
3. cell piece according to claim 1, which is characterized in that the solar battery on piece shares 24 dot matrix holes
Hole.
4. cell piece according to claim 1, which is characterized in that the solar battery on piece shares 32 dot matrix holes
Hole.
5. cell piece according to claim 1, which is characterized in that the solar battery on piece shares 48 dot matrix holes
Hole.
6. cell piece according to claim 1, which is characterized in that the position of the dot matrix hole is on cell piece light-receiving surface
The center of uniformly distributed N number of identical polygon.
7. cell piece according to claim 1 or 3, which is characterized in that the back side of 24 dot matrix hole cell pieces
Electrode position are as follows: cell piece is symmetrically divided into four equal parts of width, phase in each section about a wherein longest diagonal line
The midpoint of adjacent two dot matrix holes.
8. cell piece according to claim 1 or 4, which is characterized in that the back side of 32 dot matrix hole cell pieces
Electrode position are as follows: cell piece shady face is divided into cornerwise intersection point of 32 identical isosceles trapezoids.
9. cell piece according to claim 1 or 5, which is characterized in that the back side of 48 dot matrix hole cell pieces
Electrode position are as follows: be evenly distributed 7 rear electrodes on a wherein longest diagonal line line for regular hexagon, then will be perpendicular to institute
Each 4 equal part in two sides for stating the cornerwise direction of longest, is respectively distributed 6 rear electrodes at the 1/4 of two sides；5 are respectively distributed at 2/4
Rear electrode；4 rear electrodes are respectively distributed at 3/4.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383682 | 2018-11-20 | ||
| CN2018113836823 | 2018-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109545870A true CN109545870A (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811479021.0A Pending CN109545870A (en) | 2018-11-20 | 2018-12-05 | A kind of regular hexagon MWT solar battery sheet |
| CN201822031599.1U Active CN209544365U (en) | 2018-11-20 | 2018-12-05 | Regular hexagon MWT solar battery sheet |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822031599.1U Active CN209544365U (en) | 2018-11-20 | 2018-12-05 | Regular hexagon MWT solar battery sheet |
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| CN (2) | CN109545870A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545870A (en) * | 2018-11-20 | 2019-03-29 | 浙江晶盛机电股份有限公司 | A kind of regular hexagon MWT solar battery sheet |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09148601A (en) * | 1995-11-27 | 1997-06-06 | Sanyo Electric Co Ltd | Solar battery element and solar battery module |
| JP2001094127A (en) * | 1999-09-20 | 2001-04-06 | Shin Etsu Chem Co Ltd | Substrate for solar cell, the solar cell, solar cell module and method for production thereof |
| CN203423193U (en) * | 2013-07-08 | 2014-02-05 | 南京日托光伏科技有限公司 | MWT solar cell |
| CN103996727A (en) * | 2013-02-20 | 2014-08-20 | 罗才德 | Grid type hexagonal solar cell panel |
| CN203895470U (en) * | 2014-04-23 | 2014-10-22 | 保利协鑫（苏州）新能源运营管理有限公司 | Solar energy cell front side electrode structure |
| CN204289473U (en) * | 2014-12-18 | 2015-04-22 | 浙江鸿禧能源股份有限公司 | A kind of solar battery sheet grid line structure of positive electrode |
| KR101765008B1 (en) * | 2016-04-29 | 2017-08-04 | 선문대학교 산학협력단 | Panel for solar cell and method for manufacturing thereof |
| CN207250532U (en) * | 2017-10-23 | 2018-04-17 | 南宁梦幻三体环保科技有限公司 | A kind of efficient butterfly solar panel using 3D printing |
| CN108155249A (en) * | 2017-12-15 | 2018-06-12 | 南京日托光伏科技股份有限公司 | A kind of MWT front electrode of solar battery and preparation method thereof |
| CN209544365U (en) * | 2018-11-20 | 2019-10-25 | 浙江晶盛机电股份有限公司 | Regular hexagon MWT solar battery sheet |
-
2018
- 2018-12-05 CN CN201811479021.0A patent/CN109545870A/en active Pending
- 2018-12-05 CN CN201822031599.1U patent/CN209544365U/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09148601A (en) * | 1995-11-27 | 1997-06-06 | Sanyo Electric Co Ltd | Solar battery element and solar battery module |
| JP2001094127A (en) * | 1999-09-20 | 2001-04-06 | Shin Etsu Chem Co Ltd | Substrate for solar cell, the solar cell, solar cell module and method for production thereof |
| CN103996727A (en) * | 2013-02-20 | 2014-08-20 | 罗才德 | Grid type hexagonal solar cell panel |
| CN203423193U (en) * | 2013-07-08 | 2014-02-05 | 南京日托光伏科技有限公司 | MWT solar cell |
| CN203895470U (en) * | 2014-04-23 | 2014-10-22 | 保利协鑫（苏州）新能源运营管理有限公司 | Solar energy cell front side electrode structure |
| CN204289473U (en) * | 2014-12-18 | 2015-04-22 | 浙江鸿禧能源股份有限公司 | A kind of solar battery sheet grid line structure of positive electrode |
| KR101765008B1 (en) * | 2016-04-29 | 2017-08-04 | 선문대학교 산학협력단 | Panel for solar cell and method for manufacturing thereof |
| CN207250532U (en) * | 2017-10-23 | 2018-04-17 | 南宁梦幻三体环保科技有限公司 | A kind of efficient butterfly solar panel using 3D printing |
| CN108155249A (en) * | 2017-12-15 | 2018-06-12 | 南京日托光伏科技股份有限公司 | A kind of MWT front electrode of solar battery and preparation method thereof |
| CN209544365U (en) * | 2018-11-20 | 2019-10-25 | 浙江晶盛机电股份有限公司 | Regular hexagon MWT solar battery sheet |
Non-Patent Citations (1)
| Title |
|---|
| 谢步瀛 等: "《画法几何》", vol. 1, 30 September 2016, 同济大学出版社, pages: 187 - 189 * |
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| CN209544365U (en) | 2019-10-25 |
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