CN106449817B - A kind of imitative fish scale structure solar cell and preparation method thereof - Google Patents

A kind of imitative fish scale structure solar cell and preparation method thereof Download PDF

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Publication number
CN106449817B
CN106449817B CN201611033387.6A CN201611033387A CN106449817B CN 106449817 B CN106449817 B CN 106449817B CN 201611033387 A CN201611033387 A CN 201611033387A CN 106449817 B CN106449817 B CN 106449817B
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solar cell
fish scale
film
battery sheet
flexible pcb
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CN106449817A (en
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苏业旺
李爽
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Institute of Mechanics of CAS
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Institute of Mechanics of CAS
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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
    • H01L31/043Mechanically stacked PV cells
    • 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
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • 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
    • Y02E10/542Dye sensitized solar cells
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention provides a kind of imitative fish scale structure solar cell, solar battery sheet including extensible flexible PCB and the overlapping array arrangement being placed and secured in above it, the extensible flexible PCB is the island bridge structure of hollow out, and bridge is shaped form, and bridge is wide close with thickness.Compared to the flexible thin-film solar cell product of industrialization, the present invention can not only bend, can also stretch.Compared at present on extensible solar cell some research, the present invention before stretching after all be almost 100% area being capable of photovoltaic generation.

Description

A kind of imitative fish scale structure solar cell and preparation method thereof
Technical field
The invention belongs to the structure-design technique field of flexible electronic device, more particularly to a kind of imitative fish scale structure sun Energy battery and preparation method thereof.
Background technology
Current flexible thin-film solar cell industrialization, the species of product also has a lot, there is the amorphous silicon membrane sun Can battery, CIGS thin-film solar cell (CIGS), cadmium telluride film solar cells (CdTe), dye-sensitized film solar energy Battery and organic semiconductor thin-film solar cell etc., they can bend, but not tensible.For extensible solar-electricity Pond, also some are studied in recent years, but their actual photovoltaic generation area accounts for the ratio of the energy photovoltaic device gross area less than 1, And this ratio can be also remarkably decreased after stretching.
The content of the invention
For the inextensible shortcoming of in the market flexible thin-film solar cell product, and some extensible solar-electricities The actual photovoltaic generation area of pond design accounts for the ratio of the energy photovoltaic device gross area less than 1 and this ratio can also after stretching, extension The shortcoming being remarkably decreased, the purpose of the present invention is a kind of solar battery array of design, and it can both bend, and can also stretch, And stretch before and after all almost 100% area can photovoltaic generation, under conditions of the given energy photovoltaic device gross area Improve generated output.
In order to solve the above problems, the present invention provides a kind of imitative fish scale structure solar cell, including extensible flexible electrical Road plate and the solar battery sheet of the overlapping array arrangement being placed and secured in above it, the extensible flexible PCB is to engrave Empty island bridge structure, bridge is shaped form, and bridge is wide close with thickness.
Further, the island bridge structure is periodic arrangement, and the adjacent solar battery sheet has overlapped portion Point.
Further, the forming process of the extensible flexible PCB can be first on PI films or PET film with spray Ink printing silver paste or the mode of evaporation and photoetching copper foil form circuit and do hollow processing again or first to PI films or PET Film carries out hollow out and is processed into the substrate with island bridge structure, on the substrate inkjet printing conductive silver paste formation circuit; The upper surface electrode of each solar battery sheet is connected by wire with the circuit on the extensible flexible PCB;Often The lower surface electrode of the individual solar battery sheet is directly connected with the circuit on the extensible flexible PCB.
Further, the wire is copper foil-insulation film composite bed or conductive silver paste-insulation film composite bed, and it makes Technique is identical with the manufacture craft of above-mentioned extensible flexible PCB, the company of the wire and circuit on extensible flexible PCB Mode is connect for conductive adhesive.
Further, the processing mode of the hollow out is laser cutting or machine cuts.
The present invention also provides a kind of preparation method of described imitative fish scale structure solar cell, comprises the following steps:
A) the extensible flexible PCB with island bridge structural substrates is made using laser cutting or machine cuts mode;
B) with laser cutting solar battery sheet, solar battery sheet used can be all kinds of thin film solar cell sheets, Such as amorphous silicon thin-film solar cell, monocrystalline silicon thin film solar battery sheet, CIGS thin-film solar cell (CIGS), tellurium Cadmium thin film solar cell (CdTe), organic semiconductor thin-film solar cell and all-solid-state dye-sensitized thin-film solar cells Deng;
C) copper foil-insulation film composite bed or conductive silver paste-insulation film composite bed are pasted into solar energy with conducting resinl The upper surface of cell piece, the electrode of upper surface is drawn;
D) solar battery sheet is stacked and by conductive adhesive on extensible flexible PCB.
Further, the step a) is specially:
Hollow out is carried out using laser cutting or machine cuts mode to PI films or PET film to be processed into island bridge knot The substrate of structure, on the substrate inkjet printing conductive silver paste formation circuit.
Further, the step a) is specially:
First inkjet printing conductive silver paste formation circuit uses laser cutting or machine cuts again on PI films or PET film Mode does hollow processing.
Further, the step a) is specially:
PI films are prepared with spin-coating method, one layer of copper foil, photoetching corrosion copper foil formation circuit are being deposited above, then cut with laser Cut or machine cuts formation island bridge structure pattern.
The technique effect of the present invention compared with prior art:
Compared to the flexible thin-film solar cell product of industrialization, the present invention can not only bend, can also stretch.
Compared at present on extensible solar cell some research, the present invention before stretching after all be almost 100% Area being capable of photovoltaic generation.
Brief description of the drawings
Fig. 1 is the extensible flexible PCB schematic diagram of a kind of island bridge structure of the invention.
Fig. 2 is that solar battery sheet of the present invention is bonded in schematic diagram on substrate.
Fig. 3 is the profile of solar battery sheet.
Fig. 4 is Fig. 3 partial enlarged drawing.
Fig. 5 is the schematic diagram that Fig. 3 has multiple solar battery sheets.
Fig. 6 is a kind of preparation flow figure of the invention.
Note:Pattern filling symbol vertical line represents PI or PET, and cross hatching represents copper foil or conductive silver paste, and point matrix representation is led Electric glue, oblique line represents solar battery sheet.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing.It should be noted that not conflicting In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Embodiment one:
The invention provides a kind of imitative fish scale structure solar cell as shown in accompanying drawing 1-5, including extensible flexible electrical Road plate 1 and the solar battery sheet 2 of the overlapping array arrangement being placed and secured in above it, extensible flexible PCB 1 is to engrave Empty island bridge structure, island 11 is square, and bridge 12 is shaped form, and bridge is wide close with thickness, can so ensure that structure stretches When out-of-plane flexing does not occur.
Island bridge structure is periodic arrangement, and adjacent solar battery sheet 2 has overlapped part.Extensible flexible electrical Road plate forming process can be that first form circuit in the way of inkjet printing silver paste on PI films or PET film does hollow part again Manage or hollow out first is carried out to PI films or PET film and be processed into the substrate with island bridge structure, then in the substrate Upper inkjet printing conductive silver paste formation circuit;The upper surface electrode 21 of each solar battery sheet by wire 3 with it is extensible soft Property circuit board on circuit be connected;The lower surface electrode 22 of each solar battery sheet 2 directly with extensible flexible circuit Circuit on plate is connected.Wire 3 is conductive silver paste-PET composite beds, and connected mode is conductive adhesive.
As shown in fig. 6, the present invention also provides a kind of preparation method of imitative fish scale structure solar cell, including following step Suddenly:
A) hollow out is carried out to PET film using laser cutting or machine cuts mode and is processed into the base with island bridge structure Bottom, the inkjet printing conductive silver paste formation circuit in substrate;First hollow out can also be carried out to PI films or PET film to be processed into Substrate with island bridge structure, on the substrate inkjet printing conductive silver paste formation circuit;
B) with laser cutting monocrystalline silicon thin film solar battery sheet;
C) conductive silver paste-PET composite beds are pasted to the upper surface of solar battery sheet with conducting resinl, by the electricity of upper surface Draw pole;Conductive silver paste-PET composite beds are divided into three sections, also by conductive adhesive between them;
D) solar battery sheet is stacked and by conductive adhesive on extensible flexible PCB.Along the direction one of row Piece press against it is a piece of stack (concrete mode is shown in Fig. 5), along row direction Mi Pu (the gap very little between cell piece, is approximately close Paving).This array can with bending and stretching, and along the direction of row stretch when actual photovoltaic generation area to account for energy photovoltaic device total The ratio of area remained for 1 (ignoring along the gap between column direction cell piece).
Embodiment two:
The invention provides a kind of imitative fish scale structure solar cell as shown in accompanying drawing 1-5, including extensible flexible electrical Road plate 1 and the solar battery sheet 2 of the overlapping array arrangement being placed and secured in above it, extensible flexible PCB 1 is to engrave Empty island bridge structure, island 11 is square, and bridge 12 is shaped form, and bridge is wide close with thickness, can so ensure that structure stretches When out-of-plane flexing does not occur.
Island bridge structure is periodic arrangement, and adjacent solar battery sheet 2 has overlapped part.Each solar-electricity The upper surface electrode 21 of pond piece 2 is connected by wire 3 with the circuit on extensible flexible PCB 1;Each solar-electricity The lower surface electrode 22 of pond piece 2 is directly connected with the circuit on the extensible flexible PCB 1.Wire 3 is copper foil-PI films Composite bed, connected mode is conductive adhesive.The processing mode of hollow out is laser cutting or machine cuts.It is different from embodiment one , the forming process of extensible flexible PCB is first to form circuit again in the way of evaporation and photoetching copper foil on PI films Do hollow processing.
As shown in fig. 6, the present invention also provides a kind of preparation method of imitative fish scale structure solar cell, including following step Suddenly:
A) PI films are prepared with spin-coating method, (is referred to as two stratotype flexible copper-clad plates, 2L- one layer of copper foil is deposited above FCCL), photoetching corrosion copper foil formation circuit, then (utilize work with the pattern of laser cutting or machine cuts formation island bridge structure The method that industryization makes FPC);
B) with laser cutting monocrystalline silicon thin film solar battery sheet;
C) copper foil-PI Film laminateds layer is pasted to the upper surface of solar battery sheet with conducting resinl, by the electricity of upper surface Draw pole;Copper foil-PI Film laminateds layer is divided into three sections, also by conductive adhesive between them;
D) solar battery sheet is stacked and by conductive adhesive on extensible flexible PCB.Along the direction one of row Piece press against it is a piece of stack (concrete mode is shown in Fig. 5), along row direction Mi Pu (the gap very little between cell piece, is approximately close Paving).This array can with bending and stretching, and along the direction of row stretch when actual photovoltaic generation area to account for energy photovoltaic device total The ratio of area remained for 1 (ignoring along the gap between column direction cell piece).
Solar battery sheet used of the invention can be all kinds of thin film solar cell sheets, such as amorphous silicon thin-film solar Battery, monocrystalline silicon thin film solar battery sheet, CIGS thin-film solar cell (CIGS), cadmium telluride film solar cells (CdTe), organic semiconductor thin-film solar cell and all-solid-state dye-sensitized thin-film solar cells etc.;Each solar-electricity Pond piece is not necessarily intended to obtain from the cutting of solar energy in large area cell piece, can directly make the solar battery sheet of small area;Too It is positive can cell piece on extensible flexible PCB to stack mode also not unique.
Compared to the flexible thin-film solar cell product of industrialization, the present invention can not only bend, can also stretch.
Compared at present on extensible solar cell some research, the present invention before stretching after all be almost 100% Area being capable of photovoltaic generation.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (9)

1. a kind of imitative fish scale structure solar cell, it is characterised in that including extensible flexible PCB and overlapping placement and admittedly The solar battery sheet of fixed array arrangement in the above, the extensible flexible PCB is the island bridge structure of hollow out, and bridge is Shaped form, bridge is wide close with thickness;The island bridge structure is periodic arrangement, and the adjacent solar battery sheet has phase Mutual overlapping part.
2. a kind of imitative fish scale structure solar cell as claimed in claim 1, it is characterised in that:
The extensible flexible PCB forming process can be first in Kapton (PI films) or poly terephthalic acid Circuit is formed in the way of inkjet printing silver paste or evaporation and photoetching copper foil do hollow part again on glycol ester film (PET film) Manage or hollow out first is carried out to PI films or PET film and be processed into the substrate with island bridge structure, then in the substrate Upper inkjet printing conductive silver paste formation circuit;The upper surface electrode of each solar battery sheet is stretched by wire with described The circuit opened up on flexible PCB is connected;The lower surface electrode of each solar battery sheet directly with the extensible flexibility Circuit on circuit board is connected.
3. a kind of imitative fish scale structure solar cell as claimed in claim 2, it is characterised in that:
The wire be copper foil-insulation film composite bed or conductive silver paste-insulation film composite bed, its manufacture craft with it is extensible The manufacture craft of flexible PCB is identical, and the connected mode of the wire and circuit on extensible flexible PCB is conductive gluing Connect.
4. a kind of imitative fish scale structure solar cell as claimed in claim 3, it is characterised in that:
The processing mode of the hollow out is laser cutting or machine cuts.
5. a kind of preparation method of imitative fish scale structure solar cell as claimed in claim 1, it is characterised in that including as follows Step:
A) the extensible flexible PCB with island bridge structural substrates is made using laser cutting or machine cuts mode;
B) with laser cutting solar battery sheet, the solar battery sheet is thin film solar cell sheet;
C) copper foil-insulation film composite bed or conductive silver paste-insulation film composite bed are pasted into solar cell with conducting resinl The upper surface of piece, the electrode of upper surface is drawn;
D) solar battery sheet is stacked and by conductive adhesive on extensible flexible PCB.
6. the preparation method of fish scale structure solar cell is imitated as claimed in claim 5, it is characterised in that the step a) tools Body is:
Hollow out is carried out using laser cutting or machine cuts mode to PI films or PET film to be processed into island bridge structure Substrate, on the substrate inkjet printing conductive silver paste formation circuit.
7. the preparation method of fish scale structure solar cell is imitated as claimed in claim 5, it is characterised in that the step a) tools Body is:
First inkjet printing conductive silver paste formation circuit uses laser cutting or machine cuts mode again on PI films or PET film Do hollow processing.
8. the preparation method of fish scale structure solar cell is imitated as claimed in claim 5, it is characterised in that the step a) tools Body is:
With spin-coating method prepare PI films, above be deposited one layer of copper foil, photoetching corrosion copper foil formation circuit, then be cut by laser or The pattern of machine cuts formation island bridge structure.
9. the preparation method of fish scale structure solar cell is imitated as claimed in claim 5, it is characterised in that the film sun Energy cell piece is amorphous silicon thin-film solar cell, monocrystalline silicon thin film solar battery sheet, CIGS thin-film solar cell (CIGS), cadmium telluride film solar cells (CdTe), organic semiconductor thin-film solar cell or all-solid-state dye-sensitized film Solar cell.
CN201611033387.6A 2016-11-15 2016-11-15 A kind of imitative fish scale structure solar cell and preparation method thereof Active CN106449817B (en)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109494279A (en) * 2018-10-23 2019-03-19 福建省晶鼎光电股份有限公司 A kind of method for manufacturing solar cell board
CN109273610A (en) * 2018-11-07 2019-01-25 东华大学 A kind of stretchable perovskite solar battery and its preparation method and application
CN111435725A (en) * 2019-12-24 2020-07-21 蜂巢能源科技有限公司 Power battery, bus bar assembly of power battery and processing method of bus bar assembly
CN111048608B (en) * 2019-12-27 2020-09-22 清华大学 Flexible malleable solar cell and method of manufacturing the same
CN114497700A (en) * 2022-02-08 2022-05-13 中国电子科技集团公司第十八研究所 Bionic deformation structure integrated battery and preparation method thereof

Citations (2)

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Publication number Priority date Publication date Assignee Title
CN1855555A (en) * 2005-03-31 2006-11-01 三洋电机株式会社 Solar cell module and method of manufacturing the same
US7870691B2 (en) * 2009-07-15 2011-01-18 Williams David A Green roof tile system and methods of use

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1855555A (en) * 2005-03-31 2006-11-01 三洋电机株式会社 Solar cell module and method of manufacturing the same
US7870691B2 (en) * 2009-07-15 2011-01-18 Williams David A Green roof tile system and methods of use

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