CN110197858A - A kind of solar battery sheet and photovoltaic module - Google Patents
A kind of solar battery sheet and photovoltaic module Download PDFInfo
- Publication number
- CN110197858A CN110197858A CN201910595118.6A CN201910595118A CN110197858A CN 110197858 A CN110197858 A CN 110197858A CN 201910595118 A CN201910595118 A CN 201910595118A CN 110197858 A CN110197858 A CN 110197858A
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- solar battery
- battery sheet
- battery
- photovoltaic module
- sheet
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 26
- 239000010703 silicon Substances 0.000 claims abstract description 26
- 241000826860 Trapezium Species 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims description 23
- 101001073212 Arabidopsis thaliana Peroxidase 33 Proteins 0.000 claims description 3
- 101001123325 Homo sapiens Peroxisome proliferator-activated receptor gamma coactivator 1-beta Proteins 0.000 claims description 3
- 102100028961 Peroxisome proliferator-activated receptor gamma coactivator 1-beta Human genes 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
- H01L31/04—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
- H01L31/044—PV modules or arrays of single PV cells including bypass diodes
-
- 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
- H01L31/0516—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 specially adapted for interconnection of 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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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Photovoltaic Devices (AREA)
Abstract
This application discloses a kind of solar battery sheet, the solar battery sheet is the solar battery sheet of right-angled trapezium shape;The long bottom edge of four solar battery sheets and flash are bonded to each other in the same plane can be combined into a regular hexagon, the regular hexagon and the cross section inscribe for making silicon rod to be cut when the solar battery sheet.The percentage that the solar battery sheet of the application accounts for the silicon rod cross-sectional area is bigger, in other words, has more silicon to be made into solar battery sheet in same silicon rod, the silicon of waste is less, reduces costs;Simultaneously, the regular hexagon has also been uniformly divided into four pieces of right-angled trapeziums by the application, sliceable right-angled trapezium is rectangle, keep the typesetting of subsequent photovoltaic module more convenient, in addition, compared with the prior art, electric current is smaller in solar battery described herein, device loss is reduced, the generating efficiency of the solar battery is improved.The application additionally provides a kind of photovoltaic module with above-mentioned beneficial effect simultaneously.
Description
Technical field
This application involves photovoltaic device manufacturing fields, more particularly to a kind of solar battery sheet and photovoltaic module.
Background technique
In recent years, since energy crisis and the environmental pollution got worse are on the rise, various countries are to renewable energy
Production and investment are gradually increased dynamics, and entire photovoltaic industry all achieves breakthrough fast development, spend electric cost also increasingly
It is low, in addition policy support in recent years, makes low cost, high efficiency become two big magic weapons of reduction degree electricity cost, looked forward to by photovoltaic
The further attention of industry.And in existing photovoltaic module, half battery component due to reducing the electric current flowed through on every component,
And then the in-fighting of component is reduced, improve component efficiency, therefore the favor by more and more enterprise institutions.
But with quickly propelling for new technology, cell piece efficiency has obtained continuous promotion, and cell piece electric current is also increasing,
This makes the consumption of cell piece itself internal resistance become increasing, and delivery efficiency reduces, in addition, cutting in the prior art to silicon rod
Be segmented into and be cut into inscribed square, then further cut, caused by silicon waste more, high expensive.Therefore, one kind is found
While reducing production cost, the method for improving component output power, is those skilled in the art's urgent problem to be solved.
Apply for content
The purpose of the application is to provide a kind of solar battery sheet and photovoltaic module, to solve solar-electricity in the prior art
Pond high production cost, the problem that component consumption is big, output power is lower.
In order to solve the above technical problems, the application provides a kind of solar battery sheet, the solar battery sheet is right angle
The solar battery sheet of trapezoidal shape;
The long bottom edge of four solar battery sheets and flash are bonded to each other in the same plane can be combined into one positive six
Side shape, the regular hexagon and the cross section inscribe for making silicon rod to be cut when the solar battery sheet.
Optionally, in the solar battery sheet, the solar battery sheet be include flat welding, optically focused welding,
The solar battery of at least one of triangle welding and round welding welding.
Optionally, in the solar battery sheet, the welding is the welding that reflective membrane is arranged in surface.
Optionally, in the solar battery sheet, the quantity of the welding on the solar battery sheet surface is 2 to 5
Root, including endpoint value.
Optionally, in the solar battery sheet, the solar battery sheet is black policrystalline silicon battery or PERC battery
Or TOPcon battery or HIT battery.
Present invention also provides a kind of photovoltaic module, including upper element and lower component, the batteries of the upper element
It connects between string, connects between the battery strings of the lower component, the battery strings of the upper element and the lower component
It is in parallel between battery strings;
Wherein, the battery strings include solar battery sheet described in any of the above-described kind.
Optionally, adjacent with the long bottom edge of the first solar battery sheet in the battery strings in the photovoltaic module
Be adjacent solar battery piece short bottom edge.
Optionally, adjacent with the long bottom edge of the first solar battery sheet in the battery strings in the photovoltaic module
Side be adjacent solar battery piece short bottom edge, the other side be another adjacent solar battery piece long bottom edge.
Optionally, in the photovoltaic module, the photovoltaic module further includes bypass diode.
Optionally, in the photovoltaic module, the diode and battery strings group are corresponded, and the photovoltaic module has
Five groups of battery strings, the terminal box of the photovoltaic module are five in one terminal box;
Wherein, the battery strings group be include a string of upper elements being oppositely arranged battery strings with a string it is described under
The battery strings group of the battery strings of parts.
Solar battery sheet provided herein, the solar battery sheet are the solar battery of right-angled trapezium shape
Piece;The long bottom edge of four solar battery sheets and flash are bonded to each other in the same plane can be combined into a regular hexagon,
The regular hexagon and the cross section inscribe for making silicon rod to be cut when the solar battery sheet.The solar-electricity of the application
Pond piece is to be inscribed within the cell piece that the regular hexagon of silicon rod cross section obtains by cutting, regular hexagon compared with the prior art in
Square, the percentage of Zhan Suoshu silicon rod cross-sectional area is bigger, in other words, has more silicon to be made into same silicon rod
The silicon of solar battery sheet, waste is less, reduces consumption of raw materials, also just reduces costs;Meanwhile the application also by it is described just
Hexagon has been uniformly divided into four pieces of right-angled trapeziums, and sliceable right-angled trapezium is rectangle, keeps the typesetting of subsequent photovoltaic module more convenient,
In addition, compared with the prior art, solar battery sheet monolithic area provided herein is smaller, and then makes the solar-electricity
Electric current is smaller in pond, reduces device loss, improves the generating efficiency of the solar battery.The application additionally provides one kind simultaneously
Photovoltaic module with above-mentioned beneficial effect.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present application or the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this Shen
Some embodiments please for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of specific embodiment of solar battery provided by the present application;
Fig. 2 is the structural schematic diagram of another specific embodiment of solar battery provided by the present application;
Fig. 3 is a kind of circuit diagram schematic diagram of specific embodiment of photovoltaic module provided by the present application;
Fig. 4 is that a kind of structural diagrams of specific embodiment of photovoltaic module provided by the present application are intended to;
Fig. 5 is that the structural diagrams of another specific embodiment of photovoltaic module provided by the present application are intended to.
Specific embodiment
It needs predeclared to be to be referred to as the name on four sides of right-angled trapezium in the application unified, title right-angled trapezium
It is not bevel edge while vertical with arbitrary neighborhood, the shorter side adjacent with bevel edge is short bottom edge, and adjacent with bevel edge is longer
The bottom edge Bian Weichang, remaining a line be flash.
In order to make those skilled in the art more fully understand application scheme, with reference to the accompanying drawings and detailed description
The application is described in further detail.Obviously, described embodiments are only a part of embodiments of the present application, rather than
Whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall in the protection scope of this application.
The core of the application is to provide a kind of solar battery, a kind of structural schematic diagram of specific embodiment such as Fig. 1
With shown in Fig. 2, be called specific embodiment one, the solar battery sheet is the solar battery sheet of right-angled trapezium shape;
The long bottom edge of four solar battery sheets and flash are bonded to each other in the same plane can be combined into one positive six
Side shape, the regular hexagon and the cross section inscribe for making silicon rod to be cut when the solar battery sheet.
Particularly, the solar battery sheet be include in flat welding, optically focused welding, triangle welding and round welding extremely
A kind of solar battery of few welding;Above-mentioned welding can make it to failing to be emitted directly toward reflecting for the solar battery
It can be received by the solar battery, promote the photoelectric conversion rate of the solar battery.Further, the welding is table
The welding of reflective membrane is arranged in face, further to promote reflecting rate.
In addition, the solar battery sheet is black policrystalline silicon battery or PERC battery or TOPcon battery or HIT battery, with
Just meet the different demands in actual production.
In addition, the quantity of the welding on the solar battery sheet surface is 2 to 5, including endpoint value, such as 2.0,
Any of 4.0 or 5.0.Above parameter range is the optimum range obtained by theoretical calculation and actual experiment, when
So, it can make the appropriate adjustments according to the actual situation.
Wherein, Fig. 1 is the structural schematic diagram of the opposite solar battery of two bevel edges, and Fig. 2 is the solar-electricity
The schematic diagram of the transversal relation of plane of pond and the silicon rod.
Solar battery sheet provided herein, the solar battery sheet are the solar battery of right-angled trapezium shape
Piece;The long bottom edge of four solar battery sheets and flash are bonded to each other in the same plane can be combined into a regular hexagon,
The regular hexagon and the cross section inscribe for making silicon rod to be cut when the solar battery sheet.The solar-electricity of the application
Pond piece is to be inscribed within the cell piece that the regular hexagon of silicon rod cross section obtains by cutting, regular hexagon compared with the prior art in
Square, the percentage of Zhan Suoshu silicon rod cross-sectional area is bigger, in other words, has more silicon to be made into same silicon rod
The silicon of solar battery sheet, waste is less, reduces consumption of raw materials, also just reduces costs;Meanwhile the application also by it is described just
Hexagon has been uniformly divided into four pieces of right-angled trapeziums, and sliceable right-angled trapezium is rectangle, keeps the typesetting of subsequent photovoltaic module more convenient,
In addition, compared with the prior art, solar battery sheet monolithic area provided herein is smaller, and then makes the solar-electricity
Electric current is smaller in pond, reduces device loss, improves the generating efficiency of the solar battery.
Present invention also provides a kind of photovoltaic module, a kind of circuit diagram of specific embodiment of the photovoltaic module
As shown in figure 3, be called specific embodiment two, including upper element and lower component, the battery strings of the upper element it
Between connect, connect between the battery strings of the lower component, the battery of the battery strings of the upper element and the lower component
It is in parallel between string;
Wherein, the battery strings include solar battery sheet described in any of the above-described kind.
It should be noted that the photovoltaic module further includes bypass diode.The bypass diode can avoid electric current stream
Through shielded solar battery sheet, the internal resistance of the photovoltaic module is greatly reduced, improves the output power of the photovoltaic module,
Achieved the effect that it is anti-block, preventing hot spot.
Further, the diode and battery strings group correspond, and the photovoltaic module has five groups of battery strings, institute
The terminal box for stating photovoltaic module is five in one terminal box;Wherein, the battery strings group is to include on be oppositely arranged a string are described
The battery strings group of the battery strings of the battery strings of parts and a string of lower components.Its circuit diagram is as shown in figure 3, compared to existing
There is technology, increases more battery strings groups, improve generating efficiency.
The photovoltaic module provided in present embodiment, by the way that the photovoltaic module to be divide into upper part and lower part, up and down
Two half parts are in parallel in-between respectively in internal series-connection, realize circuit structure simultaneously after first going here and there, effectively reduce the light
The internal resistance for lying prostrate component, reduces Module Dissipation, improves output power, meanwhile, it avoids damage at circuit one and results in
The problem of whole of the photovoltaic module is scrapped.
Further, the component can be any in single sided assemblies or double glass double-side assemblies or single glass double-side assembly
Kind.
On the basis of specific embodiment two, further the arrangement mode of the solar battery sheet is limited, is obtained
To specific embodiment three, structural schematic diagram is as shown in Figure 4 and Figure 5, including upper element and lower component, the upper group
Connect between the battery strings of part, connect between the battery strings of the lower component, the battery strings of the upper element and it is described under
It is in parallel between the battery strings of parts;
Wherein, the battery strings include solar battery sheet described in any of the above-described kind;
Adjacent with the long bottom edge of the first solar battery sheet in the battery strings is adjacent solar battery piece
Short bottom edge;
Alternatively,
The side adjacent with the long bottom edge of the first solar battery sheet in the battery strings is adjacent solar battery piece
Short bottom edge, the other side be another adjacent solar battery piece long bottom edge.
Present embodiment and above-mentioned specific embodiment the difference is that, defined in present embodiment
The arrangement mode of the piece of the solar battery, remaining structure is identical as above-mentioned specific embodiment, not reinflated superfluous herein
It states.
It is adjacent solar battery that Fig. 4, which is adjacent with the long bottom edge of the first solar battery sheet in the battery strings,
The structural schematic diagram of the photovoltaic module on the short bottom edge of piece;Fig. 5 is the long bottom with the first solar battery sheet in the battery strings
The adjacent side in side is the short bottom edge of adjacent solar battery piece, and the other side is the long bottom edge of another adjacent solar battery piece
The structural schematic diagram of photovoltaic module.
The arrangement mode of two kinds of solar battery sheets is specifically defined in present embodiment, makes the solar energy
Cell piece can compactly come together, facilitate load, improve assembly efficiency, shorten the production time of the photovoltaic module.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part
Explanation.
It should be noted that in the present specification, relational terms such as first and second and the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
Solar battery sheet and photovoltaic module provided herein are described in detail above.It is used herein
The principle and implementation of this application are described for specific case, and the above embodiments are only used to help understand originally
The method and its core concept of application.It should be pointed out that for those skilled in the art, not departing from this Shen
Please under the premise of principle, can also to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the application power
In the protection scope that benefit requires.
Claims (10)
1. a kind of solar battery sheet, which is characterized in that the solar battery sheet is the solar battery of right-angled trapezium shape
Piece;
The long bottom edge of four solar battery sheets and flash are bonded to each other in the same plane can be combined into a regular hexagon,
The regular hexagon and the cross section inscribe for making silicon rod to be cut when the solar battery sheet.
2. solar battery sheet as described in claim 1, which is characterized in that the solar battery sheet be include flat weldering
The solar battery of at least one of band, optically focused welding, triangle welding and round welding welding.
3. solar battery sheet as described in claim 2, which is characterized in that the welding is the weldering that reflective membrane is arranged in surface
Band.
4. solar battery sheet as described in claim 1, which is characterized in that the number of the welding on the solar battery sheet surface
Amount is 2 to 5, including endpoint value.
5. solar battery sheet as described in claim 1, which is characterized in that the solar battery sheet is black policrystalline silicon battery
Or PERC battery or TOPcon battery or HIT battery.
6. a kind of photovoltaic module, which is characterized in that including upper element and lower component, between the battery strings of the upper element
It connects, connects between the battery strings of the lower component, the battery strings of the battery strings of the upper element and the lower component
Between it is in parallel;
Wherein, the battery strings include solar battery sheet described in any one of claims 1 to 5.
7. photovoltaic module as claimed in claim 6, which is characterized in that with the first solar battery sheet in the battery strings
Long bottom edge it is adjacent be adjacent solar battery piece short bottom edge.
8. photovoltaic module as claimed in claim 6, which is characterized in that with the first solar battery sheet in the battery strings
The adjacent side in long bottom edge is the short bottom edge of adjacent solar battery piece, and the other side is the long bottom of another adjacent solar battery piece
Side.
9. photovoltaic module as claimed in claim 7 or 8, which is characterized in that the photovoltaic module further includes bypass diode.
10. photovoltaic module as claimed in claim 9, which is characterized in that the diode and battery strings group correspond, described
Photovoltaic module has five groups of battery strings, and the terminal box of the photovoltaic module is five in one terminal box;
Wherein, the battery strings group is the battery strings and a string of lower part groups for including a string of upper elements being oppositely arranged
The battery strings group of the battery strings of part.
Priority Applications (1)
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CN201910595118.6A CN110197858A (en) | 2019-07-03 | 2019-07-03 | A kind of solar battery sheet and photovoltaic module |
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CN201910595118.6A CN110197858A (en) | 2019-07-03 | 2019-07-03 | A kind of solar battery sheet and photovoltaic module |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022089947A1 (en) * | 2020-10-26 | 2022-05-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Solar cell module |
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CN203339197U (en) * | 2013-07-15 | 2013-12-11 | 晶科能源有限公司 | Photovoltaic module |
CN104617169A (en) * | 2013-11-05 | 2015-05-13 | 晶科能源有限公司 | Photovoltaic component |
CN108831946A (en) * | 2018-06-26 | 2018-11-16 | 浙江晶科能源有限公司 | A kind of solar photovoltaic assembly |
CN109148618A (en) * | 2018-09-30 | 2019-01-04 | 东方日升新能源股份有限公司 | A kind of production method and photovoltaic module of photovoltaic module |
-
2019
- 2019-07-03 CN CN201910595118.6A patent/CN110197858A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203339197U (en) * | 2013-07-15 | 2013-12-11 | 晶科能源有限公司 | Photovoltaic module |
CN104617169A (en) * | 2013-11-05 | 2015-05-13 | 晶科能源有限公司 | Photovoltaic component |
CN108831946A (en) * | 2018-06-26 | 2018-11-16 | 浙江晶科能源有限公司 | A kind of solar photovoltaic assembly |
CN109148618A (en) * | 2018-09-30 | 2019-01-04 | 东方日升新能源股份有限公司 | A kind of production method and photovoltaic module of photovoltaic module |
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WO2022089947A1 (en) * | 2020-10-26 | 2022-05-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Solar cell module |
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