CN106449817A - Fish scale-like structured solar battery and preparation method thereof - Google Patents

Fish scale-like structured solar battery and preparation method thereof Download PDF

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Publication number
CN106449817A
CN106449817A CN201611033387.6A CN201611033387A CN106449817A CN 106449817 A CN106449817 A CN 106449817A CN 201611033387 A CN201611033387 A CN 201611033387A CN 106449817 A CN106449817 A CN 106449817A
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China
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film
solar cell
solar battery
fish scale
extensible
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CN201611033387.6A
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CN106449817B (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

Abstract

The invention provides a fish scale-like structured solar battery which comprises an extensible flexible printed circuit board and solar battery pieces, wherein the solar battery pieces are placed in an overlapped manner and are fixed on the extensible flexible printed circuit board in an array manner; the extensible flexible printed circuit board is of a hollow island-bridge structure; a bridge takes the shape of a curved line; the width of the bridge is approximate to the thickness of the bridge. Compared with an industrialized flexible film solar battery product, the fish scale-like structured solar battery can be not only bendable, but also extensible. Compared with study about conventional extensible solar batteries, the fish scale-like structured solar battery has nearly 100% of area for photovoltaic power generation before and after extension.

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
Flexible thin-film solar cell industrialization at present, the species of product also has a lot, has 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 researchs in recent years, but the ratio that their actual photovoltaic generation area accounts for the energy photovoltaic device gross area is less than 1, And this ratio also can be remarkably decreased after stretching.
Content of the invention
For the inextensible shortcoming of flexible thin-film solar cell product on market, and some extensible solar-electricity Pond design actual photovoltaic generation area account for the energy photovoltaic device gross area ratio be less than 1 and also stretch after this ratio also can The shortcoming being remarkably decreased, the purpose of the present invention is to design a kind of solar battery array, and it both can bend it is also possible to stretch, And be all almost before and after stretching 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 overlap are placed and secured in the solar battery sheet of the array arrangement above it, and described extensible flexible PCB is to engrave Empty island bridge construction, bridge is shaped form, and bridge width is close with thickness.
Further, described island bridge construction is periodic arrangement, and adjacent described solar battery sheet has overlapped portion Point.
Further, the forming process of described extensible flexible PCB can be first on PI film or PET film to spray The mode of ink printing silver paste or evaporation photoetching Copper Foil forms circuit and does hollow processing again or first to PI film or PET Film carries out hollow out and is processed into the substrate with island bridge construction, and inkjet printing conductive silver paste forms circuit on the substrate; The upper surface electrode of each described solar battery sheet is connected with the circuit on described extensible flexible PCB by wire;Often The lower surface electrode of individual described solar battery sheet is directly connected with the circuit on described extensible flexible PCB.
Further, described wire is Copper Foil-insulation film composite bed or conductive silver paste-insulation film composite bed, its making Technique is identical with the manufacture craft of above-mentioned extensible flexible PCB, the company of circuit on described wire and extensible flexible PCB The mode that connects is conductive adhesive.
Further, the processing mode of described 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 steps:
A) the extensible flexible PCB with island bridge construction substrate is made using laser cutting or machine cuts mode;
B) use laser cutting solar battery sheet, solar battery sheet used can be all kinds of thin film solar cell sheet, 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) with conducting resinl, Copper Foil-insulation film composite bed or conductive silver paste-insulation film composite bed are pasted solar energy The upper surface of cell piece, the electrode of upper surface is drawn;
D) solar battery sheet is stacked and pass through conductive adhesive on extensible flexible PCB.
Further, described step a) is specially:
Using laser cutting or machine cuts mode, PI film or PET film are carried out with hollow out to be processed into island bridge knot The substrate of structure, inkjet printing conductive silver paste formation circuit on the substrate.
Further, described step a) is specially:
First on PI film or PET film, inkjet printing conductive silver paste forms circuit and adopts laser cutting or machine cuts again Mode does hollow processing.
Further, described step a) is specially:
Prepare PI film with spin-coating method, be deposited with one layer of Copper Foil above, photoetching corrosion Copper Foil forms circuit, then is cut with laser Cut or machine cuts form the pattern of island bridge construction.
Present invention technique effect compared with prior art:
Compare the flexible thin-film solar cell product of industrialization, the present invention not only can bend, and can also stretch.
Compare some researchs at present with regard to extensible solar cell, the present invention before stretching after be all almost 100% Area being capable of photovoltaic generation.
Brief description
Fig. 1 is a kind of extensible flexible PCB schematic diagram of island bridge construction of the present invention.
Fig. 2 is bonded in schematic diagram on substrate for solar battery sheet of the present invention.
Fig. 3 is the profile of solar battery sheet.
Fig. 4 is the partial enlarged drawing of Fig. 3.
Fig. 5 has the schematic diagram of multiple solar battery sheets for Fig. 3.
Fig. 6 is a kind of preparation flow figure of the present 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.
Specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.It should be noted that not conflicting In the case of, the embodiment in the application and the feature in embodiment can mutually be 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 overlap are placed and secured in the solar battery sheet 2 of the array arrangement above it, and extensible flexible PCB 1 is to engrave Empty island bridge construction, island 11 is square, and bridge 12 is shaped form, and bridge width is close with thickness, so can ensure that structure stretches When there is not out-of-plane flexing.
Island bridge construction is periodic arrangement, and adjacent solar battery sheet 2 has overlapped part.Extensible flexible electrical Road plate forming process can be that first forming circuit on PI film or PET film in the way of inkjet printing silver paste does hollow part again Manage or first hollow out is carried out to PI film or PET film and be processed into the substrate with island bridge construction, then in described substrate Upper inkjet printing conductive silver paste forms circuit;It is soft with extensible that the upper surface electrode 21 of each solar battery sheet passes through wire 3 Property circuit board on circuit be connected;The lower surface electrode 22 of each described solar battery sheet 2 directly with extensible flexible circuit Circuit on plate is connected.Wire 3 is conductive silver paste-PET composite bed, 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, walk including following Suddenly:
A) hollow out is carried out to PET film using laser cutting or machine cuts mode and be processed into the base with island bridge construction Bottom, in substrate, inkjet printing conductive silver paste forms circuit;First hollow out can also be carried out to PI film or PET film to be processed into There is the substrate of island bridge construction, inkjet printing conductive silver paste forms circuit on the substrate;
B) use laser cutting monocrystalline silicon thin film solar battery sheet;
C) with conducting resinl, conductive silver paste-PET composite bed is pasted the upper surface of solar battery sheet, by the electricity of upper surface Pole is drawn;Conductive silver paste-PET composite bed is divided into three sections, also by conductive adhesive between them;
D) solar battery sheet is stacked and pass through conductive adhesive on extensible flexible PCB.Direction one along row Piece press against 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 be with bending and stretching, and it is total to account for energy photovoltaic device along actual photovoltaic generation area during the direction stretching arranged 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 overlap are placed and secured in the solar battery sheet 2 of the array arrangement above it, and extensible flexible PCB 1 is to engrave Empty island bridge construction, island 11 is square, and bridge 12 is shaped form, and bridge width is close with thickness, so can ensure that structure stretches When there is not out-of-plane flexing.
Island bridge construction 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 with the circuit on extensible flexible PCB 1 by wire 3;Each described solar-electricity The lower surface electrode 22 of pond piece 2 is directly connected with the circuit on described extensible flexible PCB 1.Wire 3 is Copper Foil-PI film Composite bed, connected mode is conductive adhesive.The processing mode of hollow out is laser cutting or machine cuts.Different from embodiment one , the forming process of extensible flexible PCB is first to form circuit again by evaporation and in the way of photoetching Copper Foil on PI film 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, walk including following Suddenly:
A) prepare PI film with spin-coating method, be deposited with one layer of Copper Foil (referred to as two stratotype flexible copper-clad plates, 2L- above FCCL), photoetching corrosion Copper Foil forms circuit, then (utilizes work with the pattern that laser cutting or machine cuts form island bridge construction The method that industryization makes FPC);
B) use laser cutting monocrystalline silicon thin film solar battery sheet;
C) with conducting resinl, Copper Foil-PI Film laminated layer is pasted the upper surface of solar battery sheet, by the electricity of upper surface Pole is drawn;Copper Foil-PI Film laminated layer is divided into three sections, also by conductive adhesive between them;
D) solar battery sheet is stacked and pass through conductive adhesive on extensible flexible PCB.Direction one along row Piece press against 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 be with bending and stretching, and it is total to account for energy photovoltaic device along actual photovoltaic generation area during the direction stretching arranged The ratio of area remained for 1 (ignoring along the gap between column direction cell piece).
Solar battery sheet used by the present invention can be all kinds of thin film solar cell sheet, 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 Sun can cell piece on extensible flexible PCB to stack mode also not unique.
Compare the flexible thin-film solar cell product of industrialization, the present invention not only can bend, and can also stretch.
Compare some researchs at present with regard to extensible solar cell, the present invention before stretching after be all almost 100% Area being capable of photovoltaic generation.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (9)

1. a kind of imitative fish scale structure solar cell is it is characterised in that the extensible flexible PCB of inclusion and overlap are placed and consolidated The solar battery sheet of fixed array arrangement in the above, described extensible flexible PCB is the island bridge construction of hollow out, and bridge is Shaped form, bridge width is close with thickness.
2. as claimed in claim 1 a kind of imitative fish scale structure solar cell it is characterised in that:
Described island bridge construction is periodic arrangement, and adjacent described solar battery sheet has overlapped part.
3. as claimed in claim 2 a kind of imitative fish scale structure solar cell it is characterised in that:
Described extensible flexible PCB forming process can be first in Kapton (PI film) or poly terephthalic acid Form circuit in the way of inkjet printing silver paste or evaporation photoetching Copper Foil on glycol ester film (PET film) and do hollow part again Manage or first hollow out is carried out to PI film or PET film and be processed into the substrate with island bridge construction, then in described substrate Upper inkjet printing conductive silver paste forms circuit;The upper surface electrode of each described solar battery sheet is stretched with described by wire Circuit on exhibition flexible PCB is connected;The lower surface electrode of each described solar battery sheet directly with described extensible flexibility Circuit on circuit board is connected.
4. as claimed in claim 3 a kind of imitative fish scale structure solar cell it is characterised in that:
Described wire be Copper Foil-insulation film composite bed or conductive silver paste-insulation film composite bed, its manufacture craft with extensible The manufacture craft of flexible PCB is identical, and described wire is conductive gluing with the connected mode of circuit on extensible flexible PCB Connect.
5. as claimed in claim 4 a kind of imitative fish scale structure solar cell it is characterised in that:
The processing mode of described hollow out is laser cutting or machine cuts.
6. a kind of preparation method imitating fish scale structure solar cell as claimed in claim 1 is it is characterised in that include as follows Step:
A) the extensible flexible PCB with island bridge construction substrate is made using laser cutting or machine cuts mode;
B) use laser cutting solar battery sheet, solar battery sheet used can be all kinds of thin film solar cell sheet, such as Amorphous silicon thin-film solar cell, monocrystalline silicon thin film solar battery sheet, CIGS thin-film solar cell (CIGS), cadmium telluride Thin film solar cell (CdTe), organic semiconductor thin-film solar cell or all-solid-state dye-sensitized thin-film solar cells;
C) with conducting resinl, Copper Foil-insulation film composite bed or conductive silver paste-insulation film composite bed are pasted solar cell The upper surface of piece, the electrode of upper surface is drawn;
D) solar battery sheet is stacked and pass through conductive adhesive on extensible flexible PCB.
7. imitate the preparation method of fish scale structure solar cell as claimed in claim 6 it is characterised in that described step a) has Body is:
Hollow out is carried out to PI film or PET film using laser cutting or machine cuts mode it is processed into that there is island bridge construction Substrate, inkjet printing conductive silver paste formation circuit on the substrate.
8. imitate the preparation method of fish scale structure solar cell as claimed in claim 6 it is characterised in that described step a) has Body is:
First on PI film or PET film, inkjet printing conductive silver paste forms circuit and adopts laser cutting or machine cuts mode again Do hollow processing.
9. imitate the preparation method of fish scale structure solar cell as claimed in claim 6 it is characterised in that described step a) has Body is:
Prepare PI film with spin-coating method, be deposited with one layer of Copper Foil above, photoetching corrosion Copper Foil forms circuit, then with laser cutting or Machine cuts form the pattern of island bridge construction.
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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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN111048608A (en) * 2019-12-27 2020-04-21 清华大学 Flexible malleable solar cell and method of manufacturing the same
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
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)

* 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

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

Cited By (6)

* 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
CN111048608A (en) * 2019-12-27 2020-04-21 清华大学 Flexible malleable solar cell and method of manufacturing the same
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

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