CN111863994A - Photovoltaic module with transparent conductive tape - Google Patents

Photovoltaic module with transparent conductive tape Download PDF

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Publication number
CN111863994A
CN111863994A CN202010625066.5A CN202010625066A CN111863994A CN 111863994 A CN111863994 A CN 111863994A CN 202010625066 A CN202010625066 A CN 202010625066A CN 111863994 A CN111863994 A CN 111863994A
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CN
China
Prior art keywords
photovoltaic module
conductive
glass
sheet layer
layer
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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.)
Pending
Application number
CN202010625066.5A
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Chinese (zh)
Inventor
车伏龙
刘秤明
覃武
黄猛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202010625066.5A priority Critical patent/CN111863994A/en
Publication of CN111863994A publication Critical patent/CN111863994A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/05Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
    • H01L31/0504Electrical 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/05Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
    • H01L31/0504Electrical 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
    • H01L31/0512Electrical 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 made of a particular material or composition of materials
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [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

The invention discloses a photovoltaic module with a transparent conductive belt, which comprises: the battery sheet layer comprises a battery string and a glass layer structure, and the battery sheet layer and the glass layer structure are arranged in a laminated mode; the conductive band is located between the battery sheet layer and the glass layer structure, and two ends of the conductive band are electrically connected with two ends of the battery string respectively. According to the photovoltaic module, the conductive belt is arranged between the cell sheet layer and the glass layer structure, and long bus bars used for connecting two ends of the cell string are replaced, so that redundant space is not occupied, the area of the glass layer structure can be reduced, the weight of the photovoltaic module is reduced, the utilization rate of the photovoltaic module on glass is improved, and the power generation efficiency is improved.

Description

Photovoltaic module with transparent conductive tape
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic module with a transparent conductive belt.
Background
With the continuous increase of the size of the double-glass component and single-glass component batteries, the area and the weight of the double-glass component and single-glass component batteries are increased all the time, although the components mostly change glass from 2.5mm to 2.0mm in order to reduce the weight, even if the size of a single double-glass component is about 30.1kg, the carrying of the components is still very laborious, therefore, the weight of the photovoltaic component needs to be reduced, however, the structure of the existing photovoltaic component is quite simplified, and how to reduce the weight becomes a very headache problem in the industry at present.
Through analysis, the bus bar of the existing photovoltaic module is arranged on one side of the photovoltaic module, so that a part of space of the glass and the frame is occupied by the bus bar, particularly long bus bars connecting two ends of the cell string, in order to compensate for the space occupied by the bus bar, the specification of the glass and the frame is increased, the weight is increased, the space utilization rate of the glass is low, and the power generation efficiency is indirectly reduced.
Disclosure of Invention
The invention discloses a photovoltaic module with a transparent conductive belt, which solves the problems that the photovoltaic module is heavy in weight and low in glass space utilization rate, and the power generation efficiency is reduced indirectly.
The invention discloses a photovoltaic module, comprising: the battery sheet layer comprises a battery string and a glass layer structure, and the battery sheet layer and the glass layer structure are arranged in a laminated mode; the conductive band is located between the battery sheet layer and the glass layer structure, and two ends of the conductive band are electrically connected with two ends of the battery string respectively.
Further, the extending direction of the conductive strips is consistent with the extending direction of the battery strings.
Further, the conductive tape is a transparent conductive tape.
Further, the glass layer structure comprises front glass and back glass, the front glass, the battery sheet layer and the back glass are sequentially stacked and laminated, and the conductive belt is arranged between the battery sheet layer and the back glass.
Furthermore, a glue film layer is arranged between the battery sheet layer and the back glass, and the conductive belt is arranged between the battery sheet layer and the glue film layer.
Further, the photovoltaic module further includes: a separator strip separating between the conductive strip and the battery sheet layer.
Furthermore, the isolation belt is made of transparent materials.
Further, the isolation tape covers the conductive tape.
Further, the conductive belt is provided with a connecting section and a conductive section, the connecting section is located at two ends of the conductive section, and the connecting section is electrically connected with two ends of the battery string.
Furthermore, the conductive belt is coated with an insulating layer, and the insulating layer is made of a transparent material.
Further, the material of the conductive belt comprises any one of the following materials: conductive glass, graphene and metal oxide film electrodes.
According to the photovoltaic module, the conductive belt is arranged between the cell sheet layer and the glass layer structure, and long bus bars used for connecting two ends of the cell string are replaced, so that redundant space is not occupied, the area of the glass layer structure can be reduced, the weight of the photovoltaic module is reduced, the utilization rate of the photovoltaic module on glass is improved, and the power generation efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a photovoltaic module according to an embodiment of the present invention;
fig. 2 is an exploded view of a photovoltaic module according to a first embodiment of the present invention;
fig. 3 is an exploded view of a photovoltaic module according to a second embodiment of the present invention;
fig. 4 is a cross-sectional view of a photovoltaic module according to a first embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
fig. 6 is a cross-sectional view of a photovoltaic module according to a second embodiment of the present invention;
FIG. 7 is an exploded view of a conductive strip according to a second embodiment of the present invention;
FIG. 8 is a cross-sectional view of a conductive segment in accordance with a second embodiment of the present invention;
FIG. 9 is a cross-sectional view of a connecting section of a second embodiment of the present invention;
legend: 10. a cell sheet layer; 11. a battery string; 20. a glass layer structure; 21. front glass; 22. back glass; 30. a conductive tape; 31. a connecting section; 32. a conductive segment; 33. an insulating layer; 40. a glue film layer; 50. and (4) a separation belt.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the details of the description.
The invention discloses a photovoltaic module, comprising: the solar cell comprises a cell sheet layer 10, a glass layer structure 20 and a conductive belt 30, wherein the cell sheet layer 10 comprises a cell string 11, and the cell sheet layer 10 and the glass layer structure 20 are arranged in a laminating mode; the conductive belt 30 is located between the battery sheet layer 10 and the glass layer structure 20, and two ends of the conductive belt 30 are electrically connected with two ends of the battery string 11 respectively. According to the photovoltaic module, the conductive belt 30 is arranged between the cell sheet layer 10 and the glass layer structure 20, and long bus bars for connecting two ends of the cell string 11 are replaced, so that redundant space is not occupied, the area of the glass layer structure 20 can be reduced, the weight of the photovoltaic module is reduced, the utilization rate of the photovoltaic module on glass is improved, and the power generation efficiency is improved.
In the above embodiment, the conductive tape 30 extends in the same direction as the battery string 11. According to the photovoltaic module, the extending direction of the conductive belt 30 is set to be consistent with the extending direction of the cell strings 11, so that the length of the conductive belt 30 can be saved, the cost is reduced, and meanwhile, the shielding of the cell layers 10 can be reduced.
In the above embodiment, the conductive tape 30 is a transparent conductive tape. According to the photovoltaic module, the transparent conductive belt is adopted, so that shadow cannot be generated in the sun, the cell sheet layer 10 is prevented from being shielded by the shadow, and the power generation efficiency is ensured.
In the above embodiment, the glass layer structure 20 includes the front glass 21 and the back glass 22, the front glass 21, the cell sheet layer 10 and the back glass 22 are laminated in this order, and the conductive tape 30 is disposed between the cell sheet layer 10 and the back glass 22. According to the photovoltaic module, the conductive belt 30 is arranged between the cell sheet layer 10 and the back glass 22, so that the influence on the front surface of the cell sheet layer 10 can be reduced, and the power generation efficiency is ensured while the glass layer structure 20 is reduced.
In the above embodiment, the adhesive film layer 40 is disposed between the cell sheet layer 10 and the back glass 22, and the conductive tape 30 is disposed between the cell sheet layer 10 and the adhesive film layer 40. According to the photovoltaic module, the conductive belt 30 is arranged between the cell layer 10 and the adhesive film layer 40, and the conductive belt 30 can be fixed through the adhesive film layer 40, so that the conductive belt 30 is more reliably fixed on the cell layer 10.
In the first embodiment shown in fig. 2, 4 and 5, the photovoltaic module further comprises a separation strip 50, and the separation strip 50 is separated between the conductive strip 30 and the cell sheet layer 10. The isolation tape 50 is made of a transparent material, and the isolation tape 50 covers the conductive tape 30. The length of the isolation belt 50 is aligned with the inner sides of the bus bars at the two ends of the assembly, and the length of the transparent conductive belt is aligned with the outer sides of the bus bars at the two ends of the battery string, so that the circuit of the assembly is smooth. According to the photovoltaic module, the transparent isolation strip 50 is arranged, so that the isolation strip 50 can protect the conductive strip 30 from being in contact with the cell and the solder strip, and the internal circuit of the photovoltaic module is prevented from being short-circuited.
In the second embodiment shown in fig. 3 and fig. 6 to 9, the conductive strip 30 has a connecting segment 31 and a conductive segment 32, the connecting segment 31 is located at two ends of the conductive segment 32, and the connecting segment 31 is electrically connected to two ends of the battery string 11. As shown in fig. 8, the conductive tape 30 is covered with an insulating layer 33, and the insulating layer 33 is made of a transparent material. The insulating layer 33 of the conductive segment 32 completely covers the periphery of the conductive segment to form a fully-enclosed insulating package, and on the connecting segment 31, the insulating layer 33 only covers three directions of the connecting segment 31, and one surface of the insulating layer 33 is not covered, so that the connecting segment can be conveniently welded with bus bars at two ends connected with the battery strings 11, and can also be bonded by using conductive adhesives, and the conductive belt 30 adopting the mode is more convenient to install.
In the above embodiment, the material of the conductive strip 30 includes any one of the following materials: conductive glass, graphene and metal oxide film electrodes.
The photovoltaic module layout structure optimizes the module layout structure and circuit design, and the transparent conductive strips replace the long bus bars, so that the quality of the photovoltaic module is reduced, the photovoltaic module is convenient to install by workers, and the transportation cost is saved; the photovoltaic modules are arranged tightly, the space utilization is perfect, the size width of the glass is reduced by about 15mm, and the glass mass can be reduced by 0.6 kg; the two short sides of the aluminum frame are reduced by about 15mm, and the mass is reduced by about 0.2 kg; the whole can be reduced by 0.8kg, each photovoltaic module with the aluminum profile about 30mm is saved, and the cost is reduced by about 0.1%; the design is symmetrical left and right and up and down, and the efficiency of the component is improved by 0.2 percent. The new 210 dual-glass assembly typesetting symmetrical framework has symmetrical distance from the long frames on two sides, ensures the symmetry and beauty, and does not influence the integral aesthetic feeling of the assembly because the conventional 210 dual-glass assembly is asymmetrical from the long frames on two sides.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.

Claims (11)

1. A photovoltaic module, comprising:
a battery sheet layer (10), the battery sheet layer (10) comprising a battery string (11),
a glass layer structure (20), wherein the battery sheet layer (10) is laminated with the glass layer structure (20);
the conductive belt (30) is located between the battery sheet layer (10) and the glass layer structure (20), and two ends of the conductive belt (30) are electrically connected with two ends of the battery string (11) respectively.
2. The photovoltaic module of claim 1,
the extending direction of the conductive belt (30) is consistent with the extending direction of the battery string (11).
3. The photovoltaic module of claim 1,
the conductive tape (30) is a transparent conductive tape.
4. The photovoltaic module of claim 1,
the glass layer structure (20) comprises front glass (21) and back glass (22), the front glass (21), the battery sheet layer (10) and the back glass (22) are sequentially stacked and laminated, and the conductive belt (30) is arranged between the battery sheet layer (10) and the back glass (22).
5. The photovoltaic module of claim 4,
a glue film layer (40) is arranged between the battery sheet layer (10) and the back glass (22), and the conductive belt (30) is arranged between the battery sheet layer (10) and the glue film layer (40).
6. The photovoltaic module of claim 1, further comprising:
a separator (50), the separator (50) separating between the conductive tape (30) and the cell sheet layer (10).
7. The photovoltaic module of claim 6,
the isolation belt (50) is made of transparent materials.
8. The photovoltaic module of claim 6,
the isolation tape (50) covers the conductive tape (30).
9. The photovoltaic module of claim 1,
the conductive band (30) is provided with a connecting section (31) and a conductive section (32), the connecting section (31) is positioned at two ends of the conductive section (32), and the connecting section (31) is electrically connected with two ends of the battery string (11).
10. The photovoltaic module of claim 8,
the conductive belt (30) is coated with an insulating layer (33), and the insulating layer (33) is made of transparent materials.
11. The photovoltaic module of claim 1,
the conductive band (30) is made of any one of the following materials: conductive glass, graphene and metal oxide film electrodes.
CN202010625066.5A 2020-07-01 2020-07-01 Photovoltaic module with transparent conductive tape Pending CN111863994A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010625066.5A CN111863994A (en) 2020-07-01 2020-07-01 Photovoltaic module with transparent conductive tape

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010625066.5A CN111863994A (en) 2020-07-01 2020-07-01 Photovoltaic module with transparent conductive tape

Publications (1)

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CN111863994A true CN111863994A (en) 2020-10-30

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Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1969393A (en) * 2004-04-28 2007-05-23 夏普株式会社 Integrated wiring member for solar cell module, solar cell module using the same and method for manufacturing them
CN201036230Y (en) * 2007-05-16 2008-03-12 保定天威英利新能源有限公司 Photovoltaic component structure and solar cell panel using the said photovoltaic component structure
CN201527986U (en) * 2010-02-09 2010-07-14 巨力新能源股份有限公司 Crystalline silicon solar cell component
CN102088040A (en) * 2010-12-09 2011-06-08 泰通(泰州)工业有限公司 Double-face battery assembly
CN102597336A (en) * 2009-08-07 2012-07-18 格尔德殿工业公司 Large area deposition and doping of graphene, and products including the same
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CN108649087A (en) * 2018-05-09 2018-10-12 晶澳(扬州)太阳能科技有限公司 A kind of solar cell module and preparation method thereof
CN208014710U (en) * 2018-04-24 2018-10-26 泰州隆基乐叶光伏科技有限公司 A kind of bridging busbar insulation system and photovoltaic module
CN108735831A (en) * 2018-07-27 2018-11-02 英利能源(中国)有限公司 Solar cell, solar cell string and imbrication photovoltaic module
CN209087866U (en) * 2018-12-21 2019-07-09 苏州阿特斯阳光电力科技有限公司 Photovoltaic module
CN110212052A (en) * 2019-07-23 2019-09-06 绵阳金能移动能源有限公司 Block water foreboard and its processing method of integrated solar cell interconnection
CN111253520A (en) * 2018-12-03 2020-06-09 华南理工大学 Polymerizable eutectic solvent for self-repairing material, conductive elastomer and preparation method

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1969393A (en) * 2004-04-28 2007-05-23 夏普株式会社 Integrated wiring member for solar cell module, solar cell module using the same and method for manufacturing them
CN201036230Y (en) * 2007-05-16 2008-03-12 保定天威英利新能源有限公司 Photovoltaic component structure and solar cell panel using the said photovoltaic component structure
CN102597336A (en) * 2009-08-07 2012-07-18 格尔德殿工业公司 Large area deposition and doping of graphene, and products including the same
CN201527986U (en) * 2010-02-09 2010-07-14 巨力新能源股份有限公司 Crystalline silicon solar cell component
CN102088040A (en) * 2010-12-09 2011-06-08 泰通(泰州)工业有限公司 Double-face battery assembly
CN202601688U (en) * 2012-05-04 2012-12-12 浙江尖山光电股份有限公司 Bus bar hidden solar assembly
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CN205248288U (en) * 2015-12-14 2016-05-18 浙江雄泰光伏科技有限公司 Two glass solar panel assembly
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CN207800614U (en) * 2017-08-17 2018-08-31 泰州隆基乐叶光伏科技有限公司 A kind of stacked tile type solar photovoltaic assembly
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CN208014710U (en) * 2018-04-24 2018-10-26 泰州隆基乐叶光伏科技有限公司 A kind of bridging busbar insulation system and photovoltaic module
CN108649087A (en) * 2018-05-09 2018-10-12 晶澳(扬州)太阳能科技有限公司 A kind of solar cell module and preparation method thereof
CN108735831A (en) * 2018-07-27 2018-11-02 英利能源(中国)有限公司 Solar cell, solar cell string and imbrication photovoltaic module
CN111253520A (en) * 2018-12-03 2020-06-09 华南理工大学 Polymerizable eutectic solvent for self-repairing material, conductive elastomer and preparation method
CN209087866U (en) * 2018-12-21 2019-07-09 苏州阿特斯阳光电力科技有限公司 Photovoltaic module
CN110212052A (en) * 2019-07-23 2019-09-06 绵阳金能移动能源有限公司 Block water foreboard and its processing method of integrated solar cell interconnection

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Application publication date: 20201030