CN108258065A - A kind of photovoltaic cell component with integrated circuit plate - Google Patents
A kind of photovoltaic cell component with integrated circuit plate Download PDFInfo
- Publication number
- CN108258065A CN108258065A CN201810195066.9A CN201810195066A CN108258065A CN 108258065 A CN108258065 A CN 108258065A CN 201810195066 A CN201810195066 A CN 201810195066A CN 108258065 A CN108258065 A CN 108258065A
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- Prior art keywords
- battery
- integrated circuit
- circuit plate
- battery strings
- parallel
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- 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.)
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- 210000003850 cellular structure Anatomy 0.000 title claims abstract description 15
- 210000004027 cell Anatomy 0.000 claims abstract description 31
- 239000011159 matrix material Substances 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- 238000003475 lamination Methods 0.000 abstract description 7
- 238000003466 welding Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005457 optimization Methods 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- 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
Abstract
The invention discloses a kind of photovoltaic cell components with integrated circuit plate, including photovoltaic battery matrix, the busbar and diode of photovoltaic battery matrix connection battery strings are arranged on an integrated circuit plate, and multiple bypass diodes and in parallel with each battery strings group one-to-one correspondence respectively are provided on integrated circuit plate.Surface mount elements and integrated circuit plate are employed herein, bypass diode is integrated or is welded on integrated circuit plate, the welding of busbar is not needed to carry out in component stack, the interconnecting strip of cell piece is only needed to be welded on integrated circuit plate, therefore in production lamination process, it can easily realize that automatic equipment welds, remove the trouble of artificial bending lead-out wire from.
Description
Technical field
The invention belongs to photovoltaic cell technical fields, and in particular to a kind of photovoltaic cell component with integrated circuit plate.
Background technology
In the course of work of solar cell module, if there is shadow occlusion some or certain solar cells, meeting
Cause the output of other batteries connected with shade battery that can all consume on the battery, this energy expenditure can lead to battery PN
The partial breakdown of knot, and cause hot-spot, here it is hot spot effects.Solar cell meets with due to hot spot effect in order to prevent
It being damaged, common solution is to install bypass diode additional on the basis of primary circuit, when light is not blocked, each two pole
Pipe is being produced electricl energy in reverse bias, each battery.It can stop producing electricl energy when a battery is blocked, become a height
Valued resistor, while other batteries promote its reverse bias, cause to connect the diode current flow at battery both ends, flow through and be blocked originally
The electric current of battery shunted by diode.
In the prior art, photovoltaic module includes solar cell array, and under normal circumstances, solar cell array includes
Multiple battery strings groups, the inside of battery are connected (including the series connection and parallel connection battery in itself, including internal circuit and bypass diode
Design and connection) be generally attached using busbar, such mode be to need more busbars and cell piece into
Row connection, when the main gate line of cell piece increases either bypass diode quantity increase or some have the function of string optimization
Intelligent wiring box circuit connection when it is very troublesome.
As component the degree of automation is higher and higher, more above-mentioned busbars welding connection mode in lamination procedure very
The automatic assembly line for being unfavorable for automation equipment exploitation and producing line designs;Simultaneously because bypass diode connecing outside component
Inside wire box, so needing to draw more busbars, then extracted and the bypass two inside terminal box in production lamination process
Pole pipe is connected, when busbar is drawn, it is also necessary to more busbars be carried out with artificial bending, manual alignment is inserted into terminal box
Human weld, the terminal box of this structure encapsulate wiring technique to artificial bending fitting bus terminal again again after the busbar hole in portion
It is difficult to exploitation is suitble to automation or semi-automatic work machine, it is that minority can not yet realize automation in photovoltaic component encapsulating technique
One of process of operation.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of photovoltaic cell component with integrated circuit plate, reduction groups
Part lamination procedure is advantageously implemented automated production, improves component production efficiency, reduces component production cost.
The technical scheme is that:A kind of photovoltaic cell component with integrated circuit plate, including photovoltaic battery matrix,
The photovoltaic battery matrix includes the battery strings group of multiple serial or parallel connections, and the battery strings group is including a battery strings or at least
The battery strings of two serial or parallel connections, the battery strings include the cell piece of multiple series connection, further include integrated circuit plate and more
It is a to be set to bypass diode in parallel with each battery strings group one-to-one correspondence on integrated circuit plate and respectively, the integrated circuit
The positive electrode lead-out wire pad being connected with terminal box and negative electrode lead-out wire pad are provided on plate.
Bypass diode is pre-attached on integrated circuit plate by the present invention by the way of advance integrated circuit plate, this
Bypass diode can be integrated in integrated circuit plate (flexible or hardness) in invention, can also be welded on integrated circuit plate table
Face, then that the bypass diode on integrated circuit plate is corresponding with every group of battery pack in parallel, bypass diode in the present invention
Technology difficulty when being not provided in terminal box, therefore substantially reduce lamination, and size of components can be reduced.
In the present invention there are many structure types of photovoltaic battery array, preferably, each battery strings group includes two strings
Join the battery strings of setting, the m battery strings groups arranged parallel form a battery string location, and n battery string location is along battery
The length direction of string is arranged parallel, and adjacent battery string location is connected in series with each other, and the integrated circuit plate is located at adjacent electricity
Between the string location of pond.It, can be in order to the bypass two on integrated circuit plate when integrated circuit plate is between adjacent cell string location
Pole pipe and the parallel connection of corresponding battery strings group, improve production and processing efficiency.
Integrated circuit plate is encapsulated among two layers of encapsulating material such as EVA, POE of component in the present invention, and such application can
For Normal back plate component, solar double-glass assemblies are can be used for.
Preferably, the n is 2, m 3.
Preferably, two battery strings groups connect to form a battery string location along the length direction of battery strings, it is multiple
Battery string location arranges and connects parallel, the both ends of the battery string location respectively with the battery string location of adjacent both sides
It is connected in series with.
Preferably, further include the terminal box being connected with photovoltaic battery matrix.
Preferably, m bypass diode, which is series on integrated circuit plate, forms a bypass diode series circuit, two
A bypass diode series circuit parallel connection forms the battery of a bypass diode parallel circuit, the integrated circuit plate and both sides
The corresponding position of string location is provided with the pad with the interconnecting strip welding cooperation in battery strings, the interconnecting strip in the battery strings
It is welded at pad to make bypass diode in parallel with every group of battery strings group.This kind of connection mode needs two terminal boxes.
N and m is the integer more than or equal to 1 in the present invention.
Preferably, the cell piece is half cell piece or 1/4 slice cell piece.
Compared with prior art, beneficial effects of the present invention are embodied in:
(1) it is of the invention for a kind of photovoltaic module of the integrated circuit plate with bypass diode function, the integrated circuit plate
Available for half cell piece component or the battery component of arbitrary dimension, it can also be used to conventional full wafer cell piece component, for example (,) it is right
For conventional half cell piece component, which has 6 bypass diodes, can be directly encapsulated into component internal, phase
For the technique that traditional 3 diodes inside terminal box need module production process to be welded, can effectively exist
Component protects cell piece when blocking with hot spot, improve component output power and generated energy, while greatly simplify production technology.
(2) for 1 or 2 terminal boxes can only be needed to be connect with integrated circuit plate, and terminal box in the present invention
Inside does not need to setting diode, and terminal box is mainly used for extraction electricity of the lead-out wire as the positive and negative anodes of component of positive and negative electrode
Cable connection is used.
(3) surface mount elements and integrated circuit plate are employed herein, bypass diode is integrated or is welded in integrated electricity
On the plate of road, the welding of busbar is not needed to carry out in component stack, it is only necessary to the interconnecting strip of cell piece be welded on integrated
On circuit board, therefore in production lamination process, it may be convenient to realize that automatic equipment welds, remove artificial bending lead-out wire from
Trouble.
(4) present invention can improve more than component output power 5w, moreover it is possible to improve the outdoor generating amount of component, simplify simultaneously
Production process is conducive to mitigate operation labor intensity personnel, improves production capacity, stabilised quality, and automation equipment easy to implement,
Component facade is also more more attractive than traditional design, and the quality of half subassembly product is greatly improved.
Description of the drawings
Fig. 1 is the structure diagram of the photovoltaic cell component of the prior art.
Fig. 2 is bypass diode integrated circuit connection structure schematic diagram in Fig. 1.
Fig. 3 is the structure diagram of the first embodiment of the invention.
Fig. 4 is bypass diode integrated circuit connection structure schematic diagram in Fig. 3.
Fig. 5 is the structure diagram of second of embodiment of the invention.
Fig. 6 is bypass diode integrated circuit connection structure schematic diagram in Fig. 5.
Fig. 7 is the structure diagram of the third embodiment of the invention.
Fig. 8 is bypass diode integrated circuit connection structure schematic diagram in Fig. 7.
Fig. 9 is the head diode connection diagram of the 4th kind of embodiment full wafer component of the invention.
Figure 10 is head bypass diode integrated circuit connection structure schematic diagram in Fig. 9.
Specific embodiment
As shown in Fig. 3~10, the present invention includes photovoltaic battery matrix, and photovoltaic battery matrix includes multiple serial or parallel connections
Battery strings group 6, battery strings group 6 include a battery strings or the battery strings of at least two serial or parallel connections, and battery strings include multiple
The cell piece of series connection, cell piece are half cell piece or 1/4 slice cell piece.The invention also includes integrated circuit plates 1 and more
A be set on integrated circuit plate 1 and respectively with each battery strings group 6 corresponds bypass diode 2 in parallel.In the present invention
Further include the terminal box (being not drawn into figure) being connected with photovoltaic battery matrix.
Bypass diode 2 is pre-attached on integrated circuit plate 1 by the present invention by the way of advance integrated circuit plate 1,
Bypass diode 2 can be integrated in integrated circuit plate 1 (flexible or hardness) in the present invention, can also be welded on integrated circuit plate
1 surface, it is then that the bypass diode 2 on integrated circuit plate 1 is corresponding with every group of battery pack in parallel, bypass two in the present invention
Pole pipe 2 is not provided in terminal box, therefore technology difficulty when substantially reducing lamination, and can reduce size of components.
In the present invention there are many structure types of photovoltaic battery array, as shown in Fig. 1, Fig. 3, Fig. 5, Fig. 7 and Fig. 9, this
Invention can also use the photovoltaic battery array in this kind of structure, and bypass diode is integrated or is welded on integrated circuit plate,
Then again with battery series-parallel connection.
As shown in figure 3, each battery strings group 6 includes two battery strings being arranged in series, m parallel arrangements in the present embodiment
Battery strings group 6 form a battery string location 7, n battery string location 7 arrange parallel along the length direction of battery strings, and
Adjacent battery string location 7 is connected in series with each other, and between adjacent cell string location 7, wherein n and m are integrated circuit plate 1
Integer more than or equal to 1.It, can be in order on integrated circuit plate 1 when integrated circuit plate 1 is between adjacent cell string location 7
Bypass diode 2 and corresponding battery strings group 6 are in parallel, improve production and processing efficiency.Integrated circuit plate 1 is encapsulated in group in the present invention
Among two layers of encapsulating material such as EVA, POE of part, such application can be used for Normal back plate component, can be used for double glass groups
Part.
As shown in figure 4, m bypass diode 2 is series at one two pole of bypass of formation on integrated circuit plate 1 in the present embodiment
2 series circuit of pipe, two 2 series circuit parallel connections of bypass diode form 2 parallel circuit of bypass diode, integrated circuit plate
1 is provided with the pad with the interconnecting strip welding cooperation in battery strings, battery strings with the corresponding position of the battery string locations 7 of both sides
On interconnecting strip be welded at pad to make bypass diode 2 in parallel with every group of battery strings group 6, be provided on integrated circuit plate 1
The positive electrode lead-out wire pad and negative electrode lead-out wire pad being connected with terminal box.This kind of connection mode needs two terminal boxes
.Under normal circumstances, n is 2, m 3 in the present invention.
In the present invention arrangement mode of photovoltaic array also there are many, such as shown in figure 5, multiple battery strings in the present embodiment
6 series connection of group, each battery strings group 6 includes a battery strings or the battery strings of at least two series connection, each battery strings include multiple
The half cell piece of series connection.The corresponding bypass diode integrated circuit connection structure figure of the present embodiment is shown in Fig. 6.
As shown in fig. 7, two battery strings groups 6 connect to form a battery along the length direction of battery strings in the present embodiment
String location 7, multiple battery string locations 7 arrange and connect parallel, the both ends of battery string location 7 respectively with adjacent both sides
Battery string location 7 is connected in series with.The corresponding bypass diode integrated circuit connection structure figure of the present embodiment is shown in Fig. 8.
As shown in figure 9, Fig. 9 is conventional 60 full wafer battery components, header circuit can also use the solution of the present invention,
Corresponding bypass diode integrated circuit connection structure figure is shown in Figure 10.
Claims (8)
1. a kind of photovoltaic cell component with integrated circuit plate, including photovoltaic battery matrix, the photovoltaic battery matrix includes
The battery strings group of multiple serial or parallel connections, the battery strings group include the battery of a battery strings or at least two serial or parallel connections
String, the battery strings include the cell piece of multiple series connection, which is characterized in that further include integrated circuit plate and multiple be set to collection
The bypass diode in parallel with each battery strings group one-to-one correspondence on into circuit board and respectively is provided on the integrated circuit plate
The positive electrode lead-out wire pad and negative electrode lead-out wire pad being connected with terminal box.
2. photovoltaic cell component as described in claim 1, which is characterized in that each battery strings group was arranged in series including two
Battery strings, the battery strings groups that m is arranged parallel form a battery string locations, n battery string location along battery strings length
Direction is arranged parallel, and adjacent battery string location is connected in series with each other, and the integrated circuit plate is located at adjacent cell string location
Between, wherein n and m are >=1 integer.
3. photovoltaic cell component as claimed in claim 2, which is characterized in that the n is 2, m 3.
4. photovoltaic cell component as described in claim 1, which is characterized in that two battery strings groups along battery strings length side
A battery string location is formed to series connection, multiple battery string locations are arranged and connected parallel, the battery string location
Both ends are connected in series with respectively with the battery string location of adjacent both sides.
5. the photovoltaic cell component as described in Claims 1 to 4 is any, which is characterized in that further include and photovoltaic battery matrix phase
The terminal box of connection.
6. photovoltaic cell component as claimed in claim 5, which is characterized in that multiple bypass diodes are series at integrated circuit plate
One bypass diode series circuit of upper formation, two bypass diode series circuit parallel connections form a bypass diode parallel connection
The corresponding position of the battery string location of circuit, the integrated circuit plate and both sides is provided with welds with the interconnecting strip in battery strings
The pad of cooperation, the interconnecting strip in the battery strings are welded at pad to make bypass diode in parallel with every group of battery strings group.
7. photovoltaic cell component as described in claim 1, which is characterized in that the cell piece is full wafer cell piece, half electricity
Pond piece or 1/4 slice cell piece.
8. photovoltaic cell component as described in claim 1, which is characterized in that the bypass diode integrates or be welded in integrated
On circuit board.
Priority Applications (1)
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CN201810195066.9A CN108258065A (en) | 2018-03-09 | 2018-03-09 | A kind of photovoltaic cell component with integrated circuit plate |
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CN201810195066.9A CN108258065A (en) | 2018-03-09 | 2018-03-09 | A kind of photovoltaic cell component with integrated circuit plate |
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Family
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CN201810195066.9A Pending CN108258065A (en) | 2018-03-09 | 2018-03-09 | A kind of photovoltaic cell component with integrated circuit plate |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109904240A (en) * | 2019-02-26 | 2019-06-18 | 江苏禾木传感技术有限公司 | Integrated intelligence photovoltaic module structure |
CN110047963A (en) * | 2019-04-19 | 2019-07-23 | 泰州隆基乐叶光伏科技有限公司 | Photovoltaic module circuit unit, photovoltaic module circuit and photovoltaic module |
CN110112239A (en) * | 2019-03-21 | 2019-08-09 | 国家电投集团西安太阳能电力有限公司 | A method of reducing solar cell module power loss |
CN110459637A (en) * | 2019-09-18 | 2019-11-15 | 天合光能股份有限公司 | A kind of novel slice photovoltaic module |
CN111755540A (en) * | 2019-03-29 | 2020-10-09 | 松下电器产业株式会社 | Solar cell module and solar cell system |
WO2021135733A1 (en) * | 2019-12-31 | 2021-07-08 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic assembly |
CN113659025A (en) * | 2021-07-22 | 2021-11-16 | 横店集团东磁股份有限公司 | Novel photovoltaic module arrangement structure and implementation method thereof |
CN114373817A (en) * | 2021-12-28 | 2022-04-19 | 北京博瑞原子空间能源科技有限公司 | Standard module for solar array, preparation method thereof and solar array with standard module |
CN114744375A (en) * | 2021-01-07 | 2022-07-12 | 比亚迪股份有限公司 | Battery and battery pack |
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CN201985138U (en) * | 2011-03-23 | 2011-09-21 | 上海优康新能源科技有限公司 | Integrated bypass module for solar power generation |
CN207834317U (en) * | 2018-03-09 | 2018-09-07 | 天合光能股份有限公司 | A kind of photovoltaic cell component with integrated circuit board |
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2018
- 2018-03-09 CN CN201810195066.9A patent/CN108258065A/en active Pending
Patent Citations (2)
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CN201985138U (en) * | 2011-03-23 | 2011-09-21 | 上海优康新能源科技有限公司 | Integrated bypass module for solar power generation |
CN207834317U (en) * | 2018-03-09 | 2018-09-07 | 天合光能股份有限公司 | A kind of photovoltaic cell component with integrated circuit board |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109904240A (en) * | 2019-02-26 | 2019-06-18 | 江苏禾木传感技术有限公司 | Integrated intelligence photovoltaic module structure |
CN110112239A (en) * | 2019-03-21 | 2019-08-09 | 国家电投集团西安太阳能电力有限公司 | A method of reducing solar cell module power loss |
CN111755540A (en) * | 2019-03-29 | 2020-10-09 | 松下电器产业株式会社 | Solar cell module and solar cell system |
CN110047963A (en) * | 2019-04-19 | 2019-07-23 | 泰州隆基乐叶光伏科技有限公司 | Photovoltaic module circuit unit, photovoltaic module circuit and photovoltaic module |
CN110459637A (en) * | 2019-09-18 | 2019-11-15 | 天合光能股份有限公司 | A kind of novel slice photovoltaic module |
WO2021135733A1 (en) * | 2019-12-31 | 2021-07-08 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic assembly |
CN114744375A (en) * | 2021-01-07 | 2022-07-12 | 比亚迪股份有限公司 | Battery and battery pack |
CN114744375B (en) * | 2021-01-07 | 2023-08-08 | 比亚迪股份有限公司 | Battery and battery pack |
CN113659025A (en) * | 2021-07-22 | 2021-11-16 | 横店集团东磁股份有限公司 | Novel photovoltaic module arrangement structure and implementation method thereof |
CN113659025B (en) * | 2021-07-22 | 2023-08-11 | 横店集团东磁股份有限公司 | Photovoltaic module arrangement structure and implementation method thereof |
CN114373817A (en) * | 2021-12-28 | 2022-04-19 | 北京博瑞原子空间能源科技有限公司 | Standard module for solar array, preparation method thereof and solar array with standard module |
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