CN209418516U - A kind of regular hexagon MWT solar battery half and component - Google Patents
A kind of regular hexagon MWT solar battery half and component Download PDFInfo
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- CN209418516U CN209418516U CN201822032764.5U CN201822032764U CN209418516U CN 209418516 U CN209418516 U CN 209418516U CN 201822032764 U CN201822032764 U CN 201822032764U CN 209418516 U CN209418516 U CN 209418516U
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- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 9
- 238000005538 encapsulation Methods 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000009738 saturating Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052710 silicon Inorganic materials 0.000 abstract description 6
- 239000010703 silicon Substances 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 235000012431 wafers Nutrition 0.000 description 14
- 230000005611 electricity Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000032258 transport Effects 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
-
- 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
-
- 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
- H01L31/048—Encapsulation of modules
-
- 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 utility model relates to technical field of solar batteries, it is specifically related to a kind of regular hexagon MWT solar battery half and component.A kind of regular hexagon MWT solar battery half, battery half are to draw sliver by laser bisection or the quartering by regular hexagon cell piece to be formed；Uniformly distributed several dot matrix holes on battery half light-receiving surface.A kind of MWT solar battery half component using above-mentioned battery half, including solar battery half and package assembling.The utility model improves the utilization rate to silicon wafer, saves the cost of production solar battery sheet, reduces environmental pollution and the wasting of resources, improve the output power of cell piece.
Description
Technical field
The utility model relates to technical field of solar batteries, are specifically related to a kind of regular hexagon MWT solar battery
Half and component.
Background technique
Currently, further develop solar cell industry, primarily solves the problems, such as to seek to the use of reduction solar cell at
This.Conventional solar cell piece is rectangular, and the silicon wafer for making solar battery sheet is circle, will waste portion in cutting
Divide silicon wafer, and it is then higher to the utilization rate of silicon wafer that solar battery sheet is fabricated to regular hexagon, so that cost reduces.Electricity
Pond piece, which needs to be encapsulated into photovoltaic module, can just carry out power generation use, and the solar cell module after encapsulation has higher power
Output, and the destruction of extraneous natural environment can be born.
Because regular hexagon cell piece can not directly be arranged in rectangular module, conventional method is to be cut to cell piece used
Quarter-wave plate, to be arranged in component.
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.
Utility model content
The technical problems to be solved in the utility model is to overcome deficiency in the prior art, provides a kind of regular hexagon MWT
Solar battery half and component.
In order to solve the above technical problems, the solution that the utility model uses is:
A kind of regular hexagon MWT solar battery half is provided, battery half is by regular hexagon cell piece by laser two
Equal part or the quartering are drawn sliver and are formed；Uniformly distributed several dot matrix holes on battery half light-receiving surface.
As an improvement when the second-class graduation sliver of laser, it can be along a wherein longest diagonal line or along wherein one group of opposite side
Perpendicular bisector carry out sliver.
A kind of MWT solar battery half component using above-mentioned battery half, including solar battery half and envelope
Arrangement；
Package assembling includes glass, EVA and conductive backings, solar battery half have it is multiple, it is uniform by fixed material
Arrangement is set in conductive backings, is covered with glass by EVA on solar battery half light-receiving surface, conductive backings and glass are most
Outside is equipped with the aluminium frame for encapsulation.
As an improvement glass is the high saturating coated glass of tempering.
As an improvement fixed material is silica gel or adhesive tape.
As an improvement the spacing of glass, EVA, cell piece and conductive backings between any two is 3~5mm.
As an improvement the quantity of MWT solar battery half in total are as follows: M × (2N+2)；
Wherein M indicates number of rows, and 2N+2 indicates the solar battery half number of each row；N indicates every row along wherein one most
The quantity of the regular hexagon MWT solar battery sheet of long-diagonal laser scribing, and N is odd number；2 indicate that the both ends of each row are each
There is a perpendicular bisector along regular hexagon MWT solar battery sheet wherein one group of opposite side to carry out the resulting battery half of sliver.
As an improvement the solar battery half of every row is sequentially connected in series, or by N+1 MWT solar-electricity therein
After pond half is sequentially connected in series, then the series-connected cell half of two groups of N+1 is in parallel.
Compared with the prior art, the technical effects of the present invention are:
(1) utilization rate to silicon wafer is improved, the cost of production solar battery sheet is saved, reduces environmental pollution
And the wasting of resources, improve the output power of cell piece；Relative to regular hexagon general components, half and full wafer phase interworking are utilized
The scheme for being arranged in MWT solar cell module is closed, reduces cutting loss, while greatly reducing component white space face
Product, component effective area ratio, component efficiency and component unit area power significantly improve.
(2) relative to conventional MWT component, although the cell piece quantity of routine MWT component is 60, and regular hexagon MWT
The quantity of the cell piece of component has been reduced to 50, but regular hexagon cell piece monolithic area is increased compared to conventional batteries piece
21.7%, therefore, regular hexagon MWT solar cell module can significantly improve component effective area relative to conventional MWT component
Than, component efficiency and component unit area power.The utility model proposes MWT solar energy half battery component output power
It can further be promoted.
Detailed description of the invention
Fig. 1 is regular hexagon MWT solar battery monolithic structure schematic diagram in embodiment 1 and embodiment 2；
Fig. 2 is regular hexagon MWT solar energy half battery component arrangement schematic diagram in embodiment 1；
Fig. 3 is regular hexagon MWT solar cell module structural schematic diagram in embodiment 1 and embodiment 2；
Fig. 4 is the schematic diagram that regular hexagon MWT solar battery full wafer and half are arranged in component in embodiment 2；
Fig. 5 is that regular hexagon MWT solar battery full wafer and half are arranged in the scheme of component and assume in embodiment 2
Basic unit schematic diagram；
The corresponding relationship of appended drawing reference and component names in upper figure:
4- fixes material, and 5- glass, 6-EVA, 7- composite back plate, 8- aluminium frame, 9-MWT solar battery half, 10- is just
Hexagon MWT solar battery full wafer.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate.Read the utility model it
Afterwards, it is as defined in the appended claims to belong to the application to the modification of the various equivalent forms of the utility model by others skilled in the art
Range.
Embodiment 1
As shown in Figure 1, the utility model proposes regular hexagon MWT solar battery full wafer on share 48 dot matrix holes
Hole can also both swash in intermediate region along a wherein longest diagonal line laser scribing along the perpendicular bisector of wherein one group of opposite side
Light scribing forms the symmetrical MWT solar battery half 9 of two panels.
The encapsulation loss of solar cell module includes electricity loss and optical loss two parts.The utility model proposes
Regular hexagon MWT solar battery half component in, be to be connected between cell piece by copper foil on conducting resinl and conductive backings
It connects, therefore electrical losses include cell piece mismatch loss, the thin grid line resistance loss in front, on conducting resinl and copper-foil conducting electricity
Resistance loss etc., due to not having welding, electrical losses are smaller.For half, electric current is further decreased, so that electrical losses
It further decreases.MWT solar battery half eliminates main gate line and blocks to light-receiving surface, therefore the photoelectric current being collected into is more
More, output power further increases.
As shown in Fig. 2, the utility model discloses a kind of arrangement scheme of regular hexagon MWT solar battery half, electricity
It is connected in series between the piece of pond by conducting resinl and copper-foil conducting electricity.
A kind of arrangement mode of regular hexagon MWT solar battery half component, the quantity of solar battery half in total
Are as follows: M × (2N+2)；
Wherein M indicates number of rows, and 2N+2 indicates the solar battery half number of each row；N indicates every row along wherein one most
The quantity of the regular hexagon MWT solar battery sheet of long-diagonal laser scribing, and N is odd number；2 indicate that the both sides of each row are each
There is a perpendicular bisector along regular hexagon MWT solar battery sheet wherein one group of opposite side to carry out the resulting battery half of sliver.2N+
2 MWT solar battery half can be all sequentially connected in series, can also be by N+1 MWT solar battery half therein successively
After series connection, then the series-connected cell half of two groups of N+1 is in parallel.
As shown in figure 3, the utility model also discloses a kind of solar components structure, it from top to down successively include glass
5, EVA6, cell piece 3 and backboard 7, wherein cell piece 3 is above-mentioned MWT solar energy half cell piece 3.
Light is when by glass 5 or EVA6, since material is changed, causes the light at each interface to reflect and changes
Become, while glass 5 and EVA6 itself can have different degrees of absorption to incident light, thus the light transmittance of encapsulating material is to encapsulation
Solar cell module output afterwards has apparent influence.
In order to advanced optimize above-mentioned technical effect, the utility model proposes: glass 5 is the high saturating coated glass of tempering.
In optical loss in general solar components encapsulation process, 4% or so is had lost in glass, so high saturating glass
The effect that glass is improved CTM in terms of the reflectivity that sees the bottom, optimization incident light spectrum.
In the utility model, glass 5, EVA6, cell piece 3 and backboard 7 pass through fixed material 4, such as silica gel or adhesive tape, Gu
It is scheduled on together.Outermost setting aluminium frame 8 is packaged, and the main function of aluminium is the mechanical resistance energy for increasing component, is avoided
Component transports crack in installation process.
In the utility model, glass 5, EVA6, the spacing range of cell piece 3 and backboard 7 between any two are 3mm~5mm.It is logical
Assembly material matching after crossing optimization, after completing according to welding, laying, lamination, binning procedure technique, component power can
To promote 2% or more.
Embodiment 2
As shown in figure 4, the invention also discloses a kind of regular hexagon MWT solar battery full wafers and half cooperation to make
At the arrangement scheme of component, it is characterized in that: it can be combined, and will assume basic with the basic unit 9 assumed in Fig. 5
The regular hexagon 10 that unit is formed is replaced with full wafer, the regular hexagon MWT solar cell module that can be thus formed.
Table 1
As shown in table 1, regular hexagon MWT solar battery full wafer and half cooperatively form the excellent of the arrangement scheme of component
Gesture is: relative to regular hexagon general components, being arranged with each other into MWT solar cell module using half and full wafer can
To reduce cutting loss, while component white space area is greatly reduced, effective area ratio, component efficiency and the component of component
Unit area power significantly improves；Relative to conventional MWT component, although the cell piece quantity of routine MWT component is 60, and just
The quantity of the cell piece of hexagon MWT component has been reduced to 50, but regular hexagon cell piece monolithic area is compared to conventional electricity
Pond piece increases 21.7%, and therefore, regular hexagon MWT solar cell module can significantly improve group relative to conventional MWT component
Part effective area ratio, component efficiency and component unit area power.
Regular hexagon MWT solar battery full wafer and half cooperatively form the arrangement scheme of component there are one potential
Advantage is that can carry out edge with arrangement scheme of the scheme for other regular hexagons MWT solar cell module fills up.
To sum up, solar cell module provided by the utility model, is designed by optimization component, raw material selection and work
Skill standard thus greatly reduces encapsulation loss, improves power.
It is finally noted that listed above is only specific embodiment of the utility model.Obviously, the utility model
Above embodiments are not limited to, can also there is many variations.Those skilled in the art can be from content disclosed by the utility model
In all deformations for directly exporting or associate, be considered as the protection scope of the utility model.
Claims (6)
1. a kind of regular hexagon MWT solar battery half, which is characterized in that the battery half is by regular hexagon cell piece
It is halved by laser or the quartering is drawn sliver and formed；Uniformly distributed several dot matrix holes on the battery half light-receiving surface.
2. solar battery half according to claim 1, which is characterized in that when the second-class graduation sliver of laser, along wherein
One longest diagonal line carries out sliver along the perpendicular bisector of wherein one group of opposite side.
3. a kind of MWT solar battery half component using battery half described in claim 1, which is characterized in that including
Solar battery half and package assembling；
The package assembling includes glass, EVA and conductive backings, solar battery half have it is multiple, it is uniform by fixed material
Arrangement is set in conductive backings, is covered with glass by EVA on solar battery half light-receiving surface, conductive backings and glass are most
Outside is equipped with the aluminium frame for encapsulation.
4. component according to claim 3, which is characterized in that the glass is the high saturating coated glass of tempering.
5. component according to claim 3, which is characterized in that the fixed material is silica gel or adhesive tape.
6. component according to claim 3, which is characterized in that glass, EVA, cell piece and the conductive backings are two-by-two
Between spacing be 3~5mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383711 | 2018-11-20 | ||
| CN2018113837116 | 2018-11-20 |
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| CN209418516U true CN209418516U (en) | 2019-09-20 |
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| CN201811479975.1A Pending CN109545871A (en) | 2018-11-20 | 2018-12-05 | A kind of regular hexagon MWT solar battery half, component and aligning method |
| CN201822032764.5U Active CN209418516U (en) | 2018-11-20 | 2018-12-05 | A kind of regular hexagon MWT solar battery half and component |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109545871A (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 half, component and aligning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109888033A (en) * | 2019-02-27 | 2019-06-14 | 泰州隆基乐叶光伏科技有限公司 | Solar module |
| CN109904262A (en) * | 2019-02-27 | 2019-06-18 | 泰州隆基乐叶光伏科技有限公司 | Solar module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2012019094A (en) * | 2010-07-08 | 2012-01-26 | Hitachi High-Technologies Corp | Solar cell module |
| CN202585439U (en) * | 2012-06-05 | 2012-12-05 | 任丙彦 | Mono-crystalline silicon solar battery assembly |
| CN203423193U (en) * | 2013-07-08 | 2014-02-05 | 南京日托光伏科技有限公司 | MWT solar cell |
| FR3054075B1 (en) * | 2016-07-12 | 2022-07-22 | Thales Sa | PHOTOVOLTAIC CELL AND ASSOCIATED PAVING |
| CN206976358U (en) * | 2017-06-14 | 2018-02-06 | 英利能源（中国）有限公司 | A kind of solar battery sheet and solar components |
| CN109545871A (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 half, component and aligning method |
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| CN109545871A (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 half, component and aligning method |
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