CN107958942B - Double-sided photovoltaic power generation device using single-sided solar cell - Google Patents
Double-sided photovoltaic power generation device using single-sided solar cell Download PDFInfo
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- CN107958942B CN107958942B CN201711232179.3A CN201711232179A CN107958942B CN 107958942 B CN107958942 B CN 107958942B CN 201711232179 A CN201711232179 A CN 201711232179A CN 107958942 B CN107958942 B CN 107958942B
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- 238000010248 power generation Methods 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000010030 laminating Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 abstract 4
- 239000003292 glue Substances 0.000 description 9
- 239000008393 encapsulating agent Substances 0.000 description 8
- 239000002313 adhesive film Substances 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
- H01L31/048—Encapsulation of modules
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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
- 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
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- 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)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a double-sided photovoltaic power generation device using a single-sided solar cell, which comprises a laminated piece and a frame, wherein the laminated piece is mainly formed by sequentially arranging and laminating a front panel, an encapsulation material, a front solar cell string, an encapsulation material, a middle plate, an encapsulation material, a back solar cell string, the encapsulation material and a back panel from bottom to top to form a whole, the front solar cell string and the back solar cell string respectively consist of single-sided solar cells, the front solar cell string and the back solar cell string are connected in series to form a serial circuit, or the front solar cell string and the back solar cell string are connected in parallel to form a parallel circuit, or the front solar cell string and the back solar cell string are not connected with each other, and the front solar cell string and the back solar cell string respectively output power to the outside. The invention packages the front solar cell string and the back solar cell string which are formed by the single-sided solar cells into the double-sided photovoltaic power generation device, can realize double-sided photovoltaic power generation and greatly improves the power generation power.
Description
Technical Field
The present invention relates to a solar cell module technology, and more particularly, to a double-sided photovoltaic power generation device using a single-sided solar cell.
Background
In recent years, bifacial solar cell technology has become an industry hotspot, and various bifacial solar cell modules are successively introduced by various photovoltaic enterprises in China. According to the type of silicon wafer, the double-sided solar cell module mainly comprises a P-type double-sided solar cell module and an N-type double-sided solar cell module.
The existing double-sided solar cell module is mainly composed of a front panel, an encapsulating material, a double-sided solar cell string, an encapsulating material and a back panel which are sequentially arranged from bottom to top and laminated into a solid plate-shaped body, and then the plate-shaped body is fixedly sleeved on the periphery of the plate-shaped body by a frame.
The bifacial solar cell has the advantages that the bifacial solar cell can receive light from both sides and can simultaneously output electric power to the outside, so that in general, the output power of the bifacial photovoltaic power generation device is 5% -15% higher than that of the bifacial photovoltaic power generation device, and the specific size of the higher part is mainly determined by sunlight conditions, back surface environment and installation angle.
Disclosure of Invention
The invention aims to provide a double-sided photovoltaic power generation device using a single-sided solar cell, which has a simple structure and low manufacturing cost and can greatly improve the power generation.
The aim of the invention is achieved by the following technical scheme: a double-sided photovoltaic power generation device using a single-sided solar cell, comprising a laminate and a frame, the frame being mounted on the periphery of the laminate, characterized in that: the laminated piece is an integral body which is formed by sequentially arranging and laminating a front panel, an encapsulating material, a front solar cell string, an encapsulating material, a middle plate, an encapsulating material, a back solar cell string, an encapsulating material and a back panel from bottom to top, wherein the front solar cell string and the back solar cell string are respectively composed of single-sided solar cells, the front solar cell string and the back solar cell string are connected in series to form a series circuit, or the front solar cell string and the back solar cell string are connected in parallel to form a parallel circuit, or the front solar cell string and the back solar cell string are not connected with each other, and the front solar cell string and the back solar cell string respectively output electric power.
The front side solar cell string of the invention is a direct sunlight incident surface on the front side, and the back side solar cell string is a scattered sunlight or direct sunlight incident surface on the back side.
The invention packages the front solar cell string and the back solar cell string which are formed by the single-sided solar cells into the double-sided photovoltaic power generation device, the front solar cell string and the back solar cell string are connected in series to form a series circuit, are connected in parallel to form a parallel circuit or are not connected with each other, and independently output power to the outside, thus realizing double-sided photovoltaic power generation, and compared with the existing single-sided solar cell module, the power generation power of the photovoltaic power generation device can be greatly improved, and can be generally improved by 10% -20%; compared with the existing double-sided photovoltaic power generation device manufactured by adopting the double-sided solar cell, the power generation power of the double-sided photovoltaic power generation device can be improved by 5% -10%. In addition, the invention adopts the single-sided solar cell manufactured by the common process to produce the double-sided photovoltaic power generation device without using the double-sided solar cell, so the invention has simple structure and low manufacturing cost, and can be widely popularized and applied.
As a preferred embodiment of the present invention, the front side solar cell string and the back side solar cell string are mainly composed of a plurality of parallel branch cell strings, and each branch cell string of the front side solar cell string and each branch cell string of the back side solar cell string are sequentially connected in series by a bus bar penetrating through the intermediate plate to form a series circuit, wherein the tail end of each branch cell string of the front side solar cell string and the tail end of each branch cell string of the back side solar cell string are correspondingly connected by the bus bar, and the head end of each branch cell string of the front side solar cell string is led out by the bus bar as a leading-out end.
As an embodiment of the present invention, the lead-out terminal protrudes to the back plate through one side of the middle plate and the back plate.
As a preferred embodiment of the present invention, the front-side solar cell string and the back-side solar cell string are mainly composed of a plurality of parallel branch cell strings, each branch cell string of the front-side solar cell string is sequentially connected in series to form a serial circuit, that is, the head end and the tail end of each adjacent branch cell string are sequentially and alternately connected, and the head end of each branch cell string of the front-side solar cell string is led out by a bus bar to be used as a leading-out end; each branch battery string of the back solar battery string is sequentially connected in series to form a series circuit, namely the head end and the tail end of each adjacent branch battery string are sequentially and alternately connected, and the head end of each branch battery string of the back solar battery string is led out of a current by a bus bar to serve as an led-out end; the positive electrode and the negative electrode of each leading-out end of the front solar cell string are correspondingly connected with the positive electrode and the negative electrode of each leading-out end of the back solar cell string to form a parallel circuit.
As one embodiment of the present invention, the lead-out terminal of the front side solar cell string protrudes through the middle plate and the back plate side to the back plate, and the lead-out terminal of the back side solar cell string protrudes through the back plate side to the back plate.
As a preferred embodiment of the present invention, the front-side solar cell string and the back-side solar cell string are mainly composed of a plurality of parallel branch cell strings, each branch cell string of the front-side solar cell string is sequentially connected in series to form a serial circuit, that is, the head end and the tail end of each adjacent branch cell string are sequentially and alternately connected, and the head end of each branch cell string of the front-side solar cell string is led out by a bus bar to be used as a leading-out end; each branch battery string of the back solar battery string is sequentially connected in series to form a series circuit, namely the head end and the tail end of each adjacent branch battery string are sequentially and alternately connected, and the tail end of each branch battery string of the back solar battery string is led out of a current by a bus bar to serve as an led-out end.
As one embodiment of the present invention, the lead-out terminal of the front side solar cell string protrudes through one side of the middle plate and the back plate to the back plate, and the lead-out terminal of the back side solar cell string protrudes through the other side of the back plate to the back plate.
Compared with the prior art, the invention has the following remarkable effects:
⑴ The invention packages the front solar cell string and the back solar cell string which are formed by the single-sided solar cells into the double-sided photovoltaic power generation device, and the front solar cell string and the back solar cell string are connected in series to form a series circuit, are connected in parallel to form a parallel circuit or are not connected with each other, and independently output power to the outside, thus realizing double-sided photovoltaic power generation.
⑵ Compared with the existing single-sided solar cell module, the photovoltaic power generation device can greatly improve the power generation power of the photovoltaic power generation device, and can generally improve the power generation power by 10% -20%.
⑶ The efficiency of the back surface of the double-sided battery of the existing double-sided solar battery assembly produced by adopting the double-sided battery is lower than that of a single-sided battery, which is caused by the double-sided battery manufacturing process, because the efficiency of the front surface is mainly adjusted in the double-sided battery manufacturing process, and the back surface is a byproduct. The invention uses the single-sided battery, the efficiency of the battery string on the back surface is larger than the efficiency of the back surface of the double-sided battery, so compared with the existing double-sided photovoltaic power generation device manufactured by adopting the double-sided solar battery, the invention can improve the power generation by 5% -10%.
⑷ The invention uses the single-sided solar cell manufactured by the common process to produce the double-sided photovoltaic power generation device without using the double-sided solar cell, so the invention has simple structure and low manufacturing cost, and can be widely popularized and applied.
Drawings
The invention will now be described in further detail with reference to the drawings and to specific examples.
FIG. 1 is a longitudinal structural cross-sectional view of the present invention;
FIG. 2 is a schematic diagram of an explosive structure according to embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of an exploded structure of embodiment 2 of the present invention;
Fig. 4 is a schematic diagram of an exploded structure of embodiment 3 of the present invention.
Detailed Description
As shown in fig. 1, the double-sided photovoltaic power generation device using a single-sided solar cell according to the present invention includes a laminate and a frame, wherein the frame is mounted on the periphery of the laminate, the laminate is a whole formed by sequentially disposing and laminating a front panel 1001, an encapsulant, a front solar cell string 1004, an encapsulant, a middle plate 1006, an encapsulant, a back solar cell string 1009, an encapsulant and a back panel 1011 from bottom to top, the side of the front solar cell string 1004 facing the front panel 1001 is a direct incident surface of sunlight, and the side of the back solar cell string 1009 facing the back panel 1011 is a scattered light or direct incident surface of sunlight.
The laminate specifically includes a front panel 1001, a glue film (encapsulant) 1002, an interconnection tape 1003, a front solar cell string 1004, a glue film (encapsulant) 1005, a middle plate 1006, a glue film (encapsulant) 1007, an interconnection tape 1008, a back solar cell string 1009, a glue film (encapsulant) 1010, and a back panel 1011, wherein the front panel 1001, the middle plate 1006, and the back panel 1011 are high light transmission panels, wherein the glue film 1002, the glue film 1005, the glue film 1007, and the glue film 1010 are high light transmission packaging glue films, and wherein the front solar cell string 1004 and the back solar cell string 1009 are each composed of a single-sided solar cell.
Example 1
As shown in fig. 2, in the present embodiment, the front side solar cell string and the back side solar cell string are connected in series to form a series circuit.
In fig. 2, the adhesive film is sandwiched and bonded, but in order to make the serial structure of the front side solar cell string 2002 and the back side solar cell string 2004 clearer, the adhesive film is not shown, and includes a front panel 2001, the front side solar cell string 2002, an intermediate plate 2003, the back side solar cell string 2004, and a back panel 2005.
The front side solar cell string 2002 and the back side solar cell string 2004 are mainly composed of a plurality of parallel branch cell strings, respectively, each branch cell string of the front side solar cell string 2002 and each branch cell string of the back side solar cell string 2004 are sequentially connected in series to form a series circuit by bus bars 2014 penetrating through an intermediate plate 2003, wherein the tail ends of each branch cell string of the front side solar cell string 2002 and the tail ends of each branch cell string of the back side solar cell string 2004 are correspondingly connected by the bus bars 2014, and the head ends of each branch cell string of the front side solar cell string 2002 are led out by the bus bars 2008, 2009 to serve as leading-out ends 2014, 2015 and 2016. Wherein the terminals 2014, 2015, 2016 protrude upward through one side of the middle plate 2003 and back plate 2005 to the back plate 2005.
Specifically, the front side solar cell string 2002 and the back side solar cell string 2004 use bus bars 2007, 2008, 2009 to bus the current of each row of branch cell strings and draw the current to the outside. Bus bars 2010 and 2006 are used to connect front side solar cell string 2002 and back side solar cell string 2004 in series using bus bars 2014 through six panel holes 2012 in middle plate 2003.
The outgoing end 2014, the outgoing end 2015 and the outgoing end 2016 of the whole double-sided photovoltaic power generation device pass through three panel holes 2013 on the middle plate 2003 and three panel holes 2011 on the back panel 2005 to realize outward current extraction.
Example 2
As shown in fig. 3, in the present embodiment, the front side solar cell string 3002 and the rear side solar cell string 3004 are connected in parallel to form a parallel circuit. In fig. 3, the adhesive film is sandwiched between the front panel 3001, the front solar cell string 3002, the intermediate plate 3003, the rear solar cell string 3004, and the rear panel 3005, but the adhesive film is not shown in order to make the parallel connection structure of the cell strings 3002 and 3004 more clearly shown.
The front side solar cell string 3002 and the back side solar cell string 3004 are mainly composed of a plurality of branch cell strings arranged side by side, each branch cell string of the front side solar cell string 3002 is sequentially connected in series to form a series circuit, that is, the head end and the tail end of each adjacent branch cell string are sequentially and alternately connected, and the head end of each branch cell string of the front side solar cell string 3002 is led out of current by bus bars 3010 and 3011 to serve as leading-out ends 3014, 3015 and 3016; the branch battery strings of the back solar battery string 3004 are sequentially connected in series to form a series circuit, namely, the head ends and the tail ends of the adjacent branch battery strings are sequentially and alternately connected, and the head ends of the branch battery strings of the back solar battery string 3004 are led out of the current by bus bars 3007 and 3008 to serve as leading-out ends 3017, 3018 and 3019; the positive and negative electrodes of each of the leading-out terminals of the front solar cell string 3002 are correspondingly connected with the positive and negative electrodes of each of the leading-out terminals of the back solar cell string 3004 to form a parallel circuit. The leading-out ends 3014, 3015, 3016 of the front-side solar cell string 3002 protrude onto the back-side plate 3005 through the side of the intermediate plate 3003 and the back-side plate 3005, while the leading-out ends 3017, 3018, 3019 of the back-side solar cell string 3004 protrude onto the back-side plate 3005 through the side of the back-side plate 3005
Specifically, the front-side solar cell string 3002 uses bus bars 3009, 3010, 3011 to bus the current of each branch cell string, and to draw out the current to the outside. The back side solar cell string 3004 uses bus bars 3006, 3007, 3008 to bus the current of each branch cell string and to draw current to the outside. The lead-out ends 3014, 3015, 3016 of the front side solar cell string 3002 pass through the three panel holes 3013 on the middle plate 3003 and the three panel holes 3012 on the back side plate 3005, and the lead-out ends 3017, 3018, 3019 of the back side solar cell string 3004 pass through the three panel holes 3012 on the back side plate 3005 to realize external current extraction.
Example 3
As shown in fig. 4, in the present embodiment, the front-side solar cell string 4002 and the rear-side solar cell string 4004 are not connected to each other, and both output electric power to the outside, respectively. In fig. 4, the adhesive film is sandwiched between the front side solar cell string 4002 and the back side solar cell string 4004, but the adhesive film is not shown in order to make the structural representation of the independent extraction of the front side solar cell string 4002 and the back side solar cell string 4004 clearer, and includes a front panel 4001, a front side solar cell string 4002, a middle panel 4003, a back side solar cell string 4004, and a back panel 4005.
The front solar cell string 4002 and the back solar cell string 4004 are mainly composed of a plurality of branch cell strings which are arranged side by side, each branch cell string of the front solar cell string 4002 is sequentially connected in series to form a series circuit, namely, the head end and the tail end of each adjacent branch cell string are sequentially and alternately connected, and the head end of each branch cell string of the front solar cell string 4002 is led out of current by bus bars 4010 and 4011 to serve as leading-out ends 4015, 4016 and 4017; each branch battery string of the back solar battery string 4004 is sequentially connected in series to form a series circuit, that is, the head end and the tail end of each adjacent branch battery string are sequentially and alternately connected, and the tail end of each branch battery string of the back solar battery string 4004 is led out of current by bus bars 4006 and 4007 to serve as leading-out ends 4018, 4019 and 4020. The outlets 4015, 4016, 4017 of the front side solar cell string 4002 extend through one side of the middle plate 4003 and the back plate 4005 onto the back plate 4005, and the outlets 4018, 4019, 4020 of the back side solar cell string 4004 extend through the other side of the back plate 4005 onto the back plate 4005. The front side solar cell string 4002 and the rear side solar cell string 4004 output electric power to the outside, respectively.
Specifically, the front side solar cell string 4002 uses a bus bar 4009, a bus bar 4010, and a bus bar 4011 to bus the current of each branch cell string, and to draw the current to the outside. The back side solar cell string 4004 uses bus bars 4006, 4007, and 4008 to bus the current of each branch cell string and draw the current to the outside. The outgoing terminals 4015, 4016, 4017 of the front side solar cell string 4002 pass through the three panel holes 4013 on the intermediate plate 4003 and the three panel holes 4012 on the back side plate 4005 to achieve external current extraction. The outgoing terminals 4018, 4019, 4020 of the back side solar cell string 4004 pass through three panel holes 4014 in the back side panel 4005 to achieve external current extraction.
The embodiments of the present invention are not limited thereto, and according to the above-mentioned aspects of the present invention, the present invention may be modified, replaced or altered in various other ways without departing from the basic technical spirit of the present invention, all of which fall within the scope of the claims of the present invention, according to the general technical knowledge and conventional means of the present art.
Claims (5)
1. A double-sided photovoltaic power generation device using a single-sided solar cell, comprising a laminate and a frame, the frame being mounted on the periphery of the laminate, characterized in that: the laminated piece is a whole formed by sequentially arranging and laminating a front panel, an encapsulating material, a front solar cell string, an encapsulating material, a middle plate, an encapsulating material, a back solar cell string, an encapsulating material and a back panel from bottom to top, wherein the front solar cell string and the back solar cell string are respectively composed of single-sided solar cells, the front solar cell string and the back solar cell string are respectively composed of a plurality of parallel branch cell strings, the front solar cell string and the back solar cell string are connected in series to form a series circuit, or the front solar cell string and the back solar cell string are connected in parallel to form a parallel circuit, or the front solar cell string and the back solar cell string are not connected with each other and respectively output electric power to the outside; each branch cell string of the front solar cell string and each branch cell string of the back solar cell string are sequentially connected in series to form a series circuit through bus bars penetrating through the middle plate, wherein the tail end of each branch cell string of the front solar cell string is correspondingly connected with the tail end of each branch cell string of the back solar cell string through the bus bars, and the head end of each branch cell string of the front solar cell string is led out of a current through the bus bars to serve as a leading-out end; each branch battery string of the front solar battery string is sequentially connected in series to form a series circuit, namely the head end and the tail end of each adjacent branch battery string are sequentially and alternately connected, and the head end of each branch battery string of the front solar battery string is led out of a current by a bus bar to serve as an led-out end; each branch battery string of the back solar battery string is sequentially connected in series to form a series circuit, namely the head end and the tail end of each adjacent branch battery string are sequentially and alternately connected, and the head end of each branch battery string of the back solar battery string is led out of a current by a bus bar to serve as an led-out end; the positive electrode and the negative electrode of each leading-out end of the front solar cell string are correspondingly connected with the positive electrode and the negative electrode of each leading-out end of the back solar cell string to form a parallel circuit.
2. The bifacial photovoltaic power generation device using a single-sided solar cell as defined in claim 1 wherein: the lead-out terminal extends to the back plate through one side of the middle plate and the back plate.
3. The bifacial photovoltaic power generation device using a single-sided solar cell according to claim 2, characterized in that: the leading-out end of the front solar cell string extends to the back plate through the middle plate and one side of the back plate, and the leading-out end of the back solar cell string extends to the back plate through one side of the back plate.
4. The bifacial photovoltaic power generation device using a single-sided solar cell as defined in claim 1 wherein: each branch battery string of the front solar battery string is sequentially connected in series to form a series circuit, namely the head end and the tail end of each adjacent branch battery string are sequentially and alternately connected, and the head end of each branch battery string of the front solar battery string is led out of a current by a bus bar to serve as an led-out end; each branch battery string of the back solar battery string is sequentially connected in series to form a series circuit, namely the head end and the tail end of each adjacent branch battery string are sequentially and alternately connected, and the tail end of each branch battery string of the back solar battery string is led out of a current by a bus bar to serve as an led-out end.
5. The double-sided photovoltaic power generation apparatus using a single-sided solar cell according to claim 4, wherein: the leading-out end of the front solar cell string extends to the back plate through one side of the middle plate and the back plate, and the leading-out end of the back solar cell string extends to the back plate through the other side of the back plate.
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| CN201711232179.3A CN107958942B (en) | 2017-11-30 | 2017-11-30 | Double-sided photovoltaic power generation device using single-sided solar cell |
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| CN201711232179.3A CN107958942B (en) | 2017-11-30 | 2017-11-30 | Double-sided photovoltaic power generation device using single-sided solar cell |
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| CN111106194B (en) * | 2018-10-26 | 2022-06-14 | 比亚迪股份有限公司 | Double-sided solar cell and photovoltaic module |
| CN114678437B (en) * | 2022-04-14 | 2024-04-02 | 浙江晶科能源有限公司 | Photovoltaic module |
| CN115172495A (en) * | 2022-07-12 | 2022-10-11 | 晋能清洁能源科技股份公司 | Double-sided solar photovoltaic module |
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| CN106452349A (en) * | 2016-12-19 | 2017-02-22 | 芜湖光荣网络科技有限公司 | Battery arrangement structure in double current solar photovoltaic module |
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| JP3553462B2 (en) * | 2000-04-28 | 2004-08-11 | シャープ株式会社 | Photovoltaic power generation system and boost unit used for it |
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| JP4637244B2 (en) * | 2009-01-09 | 2011-02-23 | シャープ株式会社 | Thin film solar cell module |
| JP2011003561A (en) * | 2009-06-16 | 2011-01-06 | Hidetoshi Mitsuzuka | Solar power generator, solar panel and solar power generation module each used for manufacturing the same |
| DE102009060604A1 (en) * | 2009-12-23 | 2011-06-30 | Energetica Holding Gmbh | Solar module with a printed circuit board and method of manufacture and application |
| TW201135951A (en) * | 2010-04-02 | 2011-10-16 | Foxsemicon Integrated Tech Inc | Solar battery device |
| JP2012063304A (en) * | 2010-09-17 | 2012-03-29 | Omron Healthcare Co Ltd | Electronic clinical thermometer |
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