CN1851933A - Soft-light anode assembly of solar cell and its preparing method - Google Patents

Soft-light anode assembly of solar cell and its preparing method Download PDF

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Publication number
CN1851933A
CN1851933A CNA2006100191324A CN200610019132A CN1851933A CN 1851933 A CN1851933 A CN 1851933A CN A2006100191324 A CNA2006100191324 A CN A2006100191324A CN 200610019132 A CN200610019132 A CN 200610019132A CN 1851933 A CN1851933 A CN 1851933A
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solar cell
soft
light anode
anode assembly
metal
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CN100420037C (en
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徐卫林
沈小林
杨红军
崔卫钢
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Wuhan University of Science and Engineering WUSE
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Wuhan University of Science and Engineering WUSE
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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
    • Y02E10/542—Dye sensitized solar cells
    • 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
    • Y02E10/549—Organic PV cells
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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Abstract

This invention relates to a soft optical anode component of a solar energy battery and its preparation method, in which, the structure of the optical anode component takes fabrics composed of metal long fiber as the conduction matrix, the outer surface of the metal long fiber is plated with a conducting and anti-I oxidation protection layer and a film composed of inorganic metal oxide nm particles is covered on the outer surface of the protection layer, the metal long fibers are woven to fabrics to be dip-dyed and sensitized to produce an optical anode of a dye sensitized solar energy battery.

Description

A kind of soft-light anode assembly of solar cell and preparation method thereof
Technical field
The present invention relates to a kind of soft-light anode assembly of solar cell and preparation method thereof, belong to solar cell
Technical field.
Background technology
Solar energy is a kind of inexhaustible environmental protection, clean energy resource, thereby each state all utilizes this energy at active development.Professor Gratzel of Lausanne, SUI engineering college leader's in 1991 solar energy research group development has been succeeded in developing DSSC, abbreviates DSSC as.Update down this kind is photronic people such as Gratzel, the optoelectronic transformation efficiency of this battery has reached 10%.Compare with the silicon solar cell that generally adopts now, this battery manufacturing cost is very low, has only 1/10 of silicon solar cell.Because the advantage on the cost makes the prospect of this electricity sun energy battery very good.
The light positive electrode is the core component of this solar photocell, and it is to form one deck TiO by sintering on the conductive layer of electro-conductive glass 2Film, and dye through special light inorganic oxide sensitizer dyestuff, thereby constitute the light positive electrode.Studies show that except TiO 2Outward, by ZnO, SnO 2, WO 3Film Deng the nano particle of inorganic, metal oxide is made all has the photoelectricity transformation function after contaminating sensitizing dyestuff.
By this solar cell structure as can be known, light must be successively by glass, conductive layer again to being adsorbed on TiO 2On the sensitizing dyestuff of particle surface, luminous energy just can change into electric energy.Glass baseplate be printing opacity and the carrying conductive layer and on TiO 2The effect of film.The disclosed polyester film that is coated with conductive layer with printing opacity of domestic patent CN1564326A substitutes the electro-conductive glass base material, and purpose is to prepare the solar cell of flexibility.Flexible photocell is convenient to processing, can this photocell can be made different shape by people's requirement, thereby its place that is used is increased, and particularly outside the building has more applications on the surface.This photocell is not afraid of Seize simultaneously, thereby is easier to betransported.Want to make flexible DSSC, at first will prepare flexible light anode, and then cooperate corresponding flexibility just can make flexible dye sensitization of solar photocell electrode.Comparatively speaking electrode is easily realized flexibility, general method is to plate the thick platinum layer of 2 μ m with the method for plating or vacuum coating on the conducting film that is base material with the polyester film.Thereby the flexibility of light anode is to realize the photronic key of dye sensitization of solar.But because the vitrification point of polyester material PET is 238 ℃-240 ℃, thereby can't prepare TiO in its surface with the method for sintering 2Film.
There is following main shortcoming in the base material that the polyester film of present employing non-refractory is done the light anode: (1) is not higher than 240 ℃ of high temperature because base material is anti-, so can not preparation TiO 2Add during colloidal sol organic substance adopt the method for pyrolysis to remove.The TiO that does not have the adding machine solvent 2Colloidal sol is unfavorable for TiO 2The abundant dispersion and the TiO of nano particle 2Colloidal sol is sprawled substrate surface, thereby film forming is bad.(2) owing to not adopting high temperature sintering, so TiO 2The intensity of film table body and and base material between adhesion all very low.Even when dyeing with sensitizing dyestuff solution, because the swelling action of liquid all can make TiO 2Film comes off from polyester film base material surface.
Summary of the invention
At above-mentioned existing problems, the purpose of this invention is to provide a kind of soft-light anode assembly of solar cell and preparation method thereof.Its technical solution is:
A kind of soft-light anode assembly of solar cell, light anode assembly is to be conducting base by the fabric that constitutes with the metallic fiber long filament, be coated with the overcoat of conduction and anti-iodine oxidation on the outer surface of long metal fiber, on the outer surface of overcoat, be covered with the film that constitutes by inorganic oxide nanoparticles.
The concrete steps of soft-light anode assembly of solar cell processing are:
(A) adopt magnetron sputtering coater at the indium tin oxide layer of plating one layer thickness in long metal fiber surface less than 500nm.
(B) inorganic oxide nanoparticles is dissolved in the deionized water, and adds acetylacetone,2,4-pentanedione and TritonX.The mass ratio of inorganic oxide and water is 2.5: 4～3: 4 in the colloidal solution.The content of acetylacetone,2,4-pentanedione and TritonX is respectively 1% and 0.5%.
(C) will put into the colloidal sol pulling film forming that is mixed with by step (B) through the long metal fiber that step (A) is handled, and with wet film at 100 ℃ of dry 5min.
(D) will put into high-temperature electric resistance furnace through the long metal fiber that step (C) is handled, be heated to 500 ℃, insulation 1h, natural cooling with the heating rate of 5 ℃/min.
(E) adopt knitting or woven method, the metal fabric that will be woven into through the metallic fiber long fibre that step (D) is handled.
(F) will put into the sensitizing dyestuff solution that configures through the metal fabric that step (E) makes, take out behind the dip-dye 24h, use the loose colour on the absolute ethyl alcohol flush away metal fabric again, make flexible dye-sensitized solar cell anode.
Owing to adopted above technical scheme, the soft-light anode assembly of solar cell of the present invention's preparation utilizes the pliability of metal fibre interlacement to realize the flexibility of light anode on the one hand, utilize the heat-resisting quantity of metal material on the other hand, the approach that can lead to high temperature sintering prepares and has TiO 2Film, TiO 2Intensity of film own and the increase that all obtains with the base material adhesion thereof.This kind scheme solves when making the flexibility of light anode, because of adopting organic high molecular layer is the problem that base material causes adhesion difference between inorganic, metal oxide film and the base material, and the sensitization flexible solar battery made from this smooth anode still can keep stable operating state when flexural deformation.
Description of drawings
Fig. 1 is the cross section structure figure of the light anode of DSSC.
Fig. 2 is the plane graph of Fig. 1, and fabric tissue is a plain weave.
Embodiment
A kind of soft-light anode assembly of solar cell, light anode assembly is by using metallic fiber long filament 1,2 fabrics that constitute are conducting base, long metal fiber 1, be coated with the overcoat 3 of conduction and anti-iodine oxidation on 2 the outer surface, on the outer surface of overcoat 3, be covered with the film 4 that constitutes by inorganic oxide nanoparticles.Metallic fiber long fibre 1,2 can comprise nickel, chromium, tantalum, platinum etc., and fusing point is more than 1000 ℃, oxidation resistent susceptibility strong metal material.The diameter of long metal fiber 1,2 is at 20 μ m-100 μ m.Overcoat 3 is mixtures of indium sesquioxide and tin ash, and the mass percent of indium sesquioxide and tin ash is 90: 10～95: 5.Inorganic oxide layer 4 can be materials such as titanium dioxide, zinc oxide, tin ash, and the diameter of nano particle is 10nm-600nm.
A kind of preparation method who prepares the soft-light anode of DSSC, its preparation for processing is as follows:
(A) adopt magnetron sputtering coater to plate the indium tin oxide layer of a layer thickness on 20 μ m-100 μ m long metal fibers surface less than 500nm at diameter.Metallic fiber long fibre 1,2 can comprise nickel, chromium, tantalum, platinum etc., and fusion temperature is more than 1000 ℃, oxidation resistent susceptibility strong metal material.Can adopt sol-gel process at long metal fiber surface plating indium tin oxide layer in addition.With the indium nitrate crystal dissolve in the acetylacetone,2,4-pentanedione pale brown look Indium Tris acetylacetonate colloidal sol, stannic chloride is dissolved in the ethanol, again this solution is joined in the Indium Tris acetylacetonate colloidal sol by certain proportioning, it is mixed, obtain being mixed with the stable sol of Sn element at last.Long metal fiber is put into colloidal sol lift biofilm, put into high-temperature electric resistance furnace after waiting the film drying, 500 ℃ of heat treatment 10min, cooling.Handle the mixture that film plating process will guarantee indium sesquioxide and tin ash for two kinds, the mass percent of indium sesquioxide and tin ash is 90: 10～95: 5.
(B) inorganic oxide nanoparticles is dissolved in the deionized water, and adds acetylacetone,2,4-pentanedione and TritonX.The mass ratio of inorganic oxide and water is 2.5: 4～3: 4 in the colloidal solution.The content of acetylacetone,2,4-pentanedione and TritonX is respectively 1% and 0.5%.Inorganic oxide layer can be materials such as titanium dioxide, zinc oxide, tin ash, and the diameter of nano particle is 10nm-600nm.The thickness of the film that inorganic oxide nanoparticles constitutes is between 5 μ m-30 μ m.
(C) will put into the colloidal sol pulling film forming that is mixed with by step (B) through the long metal fiber that step (A) is handled, and with wet film at 100 ℃ of dry 5min.
(D) will put into high-temperature electric resistance furnace through the long metal fiber that step (C) is handled, be heated to 500 ℃, insulation 1h, natural cooling with the heating rate of 5 ℃/min.
(E) adopt knitting or woven method, the metallic fiber long fibre after will handling through step (D) is woven into metal fabric.The total tightness degree of metal fabric is greater than 60%, and less than 100%.The plain weave that the tissue of metal fabric can adopt woven method to use, twill, satin weave and alternative construction, or knitting when braiding adopt through compiling or the various tissues of weft knitting.
(F) will put into the sensitizing dyestuff solution that configures through the metal fabric that step (E) makes, take out behind the dip-dye 24h, use the loose colour on the absolute ethyl alcohol flush away metal fabric again, make flexible dye-sensitized solar cell anode.
Help further to understand the present invention by following embodiment.
Embodiment 1
Base material adopts the nickel long metal fiber, and its diameter 80 μ m are the 300nm indium tin oxide layer by the above preparation method at nickel long metal fiber surface plating one layer thickness, and the mass percent of indium sesquioxide and tin ash is 90: 8.With 12 gram diameters is the TiO of 25nm 2Nano particle joins in the 20 gram deionized waters and constantly stirs and is mixed with colloidal sol.And add the TritonX of 1 gram acetylacetone,2,4-pentanedione and 2 grams as emulsifying agent at this solution.The long metal fiber that is coated with indium tin oxide layer is put into the TiO 2 sol pulling film forming that has prepared.With the dried TiO that hangs with 2The metal fabric of nano particle is placed in the high-temperature electric resistance furnace, is heated to 500 ℃ with the heating rate of 5 ℃/min, and insulation 1h naturally cools to.TiO 2The thickness of film of nanoparticles is 6 μ m.To be made into fabric through belonging to long fibre with small sample loom through what said process was handled.Fabric tissue adopts plain weave, obtains cross section structure fabric as shown in Figure 1.The fabric that weaves put into take out after the solution that contains sensitizing dyestuff is contaminated 24h,, make the light anode with the loose colour flush away of absolute ethyl alcohol with the surface.
Embodiment 2
Base material adopts the chromium long metal fiber, and its diameter 50 μ m carry out processed by embodiment 1 identical preparation method to the chromium long metal fiber.But the knit stitches of fabric adopts satin weave.Because the intertwined point of warp thread and weft yarn reduces,, the song of yarn in fabric descend the TiO of yam surface so bending degree 2The suffered internal stress of film descends.Thereby embodiment 2 is more effective than embodiment 1.

Claims (8)

1, a kind of soft-light anode assembly of solar cell, it is characterized in that: light anode assembly is to be conducting base by the fabric that constitutes with long metal fiber (1), (2), be coated with the overcoat (3) of conduction and anti-iodine oxidation on the outer surface of long metal fiber (1), (2), on the outer surface of overcoat (3), be covered with the film (4) that constitutes by the inorganic, metal oxide nano particle.
2, a kind of soft-light anode assembly of solar cell as claimed in claim 1 is characterized in that: metallic fiber long fibre (1), (2) can comprise nickel, chromium, tantalum, platinum etc., and fusing point is more than 1000 ℃, oxidation resistent susceptibility strong metal material.
3, a kind of soft-light anode assembly of solar cell as claimed in claim 1 is characterized in that: the diameter of long metal fiber (1), (2) is at 20 μ m-100 μ m.
4, a kind of soft-light anode assembly of solar cell as claimed in claim 1 is characterized in that: overcoat (3) is the mixture of indium sesquioxide and tin ash, and the mass percent of indium sesquioxide and tin ash is 90: 10～95: 5.
5, a kind of soft-light anode assembly of solar cell as claimed in claim 1 is characterized in that: inorganic oxide layer (4) can be materials such as titanium dioxide, zinc oxide, tin ash, and the diameter of nano particle is 10nm-600nm.
6, a kind of preparation method who prepares the soft-light anode of DSSC is characterized in that adopting the following steps processing and preparing:
(A) at the indium tin oxide layer of plating one layer thickness in long metal fiber surface less than 500nm.
(B) inorganic oxide nanoparticles is dissolved in the deionized water, and adds acetylacetone,2,4-pentanedione and TritonX.The mass ratio of inorganic oxide and water is 2.5: 4～3: 4 in the colloidal solution.The content of acetylacetone,2,4-pentanedione and TritonX is respectively 1% and 0.5%.
(C) will put into the colloidal sol pulling film forming that is mixed with by step (B) through the long metal fiber that step (A) is handled, and with wet film at 100 ℃ of dry 5min.
(D) will put into high-temperature electric resistance furnace through the long metal fiber that step (C) is handled, be heated to 500 ℃, insulation 1h, natural cooling with the heating rate of 5 ℃/min.
(E) adopt knitting or woven method, the metallic fiber long fibre after will handling through step (D) is woven into metal fabric.
(F) will put into the sensitizing dyestuff solution that configures through the metal fabric that step (E) makes, take out behind the dip-dye 24h, use the loose colour on the absolute ethyl alcohol flush away metal fabric again, make flexible dye-sensitized solar cell anode.
7, as preparation method as described in the claim 6, it is characterized in that: the total tightness degree of metal fabric is greater than 60%, and less than 100%.The plain weave that the tissue of metal fabric can adopt woven method to use, twill, satin weave and alternative construction, or knitting when braiding adopt through compiling or the various tissues of weft knitting.
8, as preparation method as described in the claim 6, it is characterized in that: the thickness of the film that inorganic oxide nanoparticles constitutes is between 5 μ m-30 μ m.
CNB2006100191324A 2006-05-24 2006-05-24 Soft-light anode assembly of solar cell and its preparing method Expired - Fee Related CN100420037C (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008055404A1 (en) * 2006-11-10 2008-05-15 Peking University A dye sensitized solar battery and a working electrode thereof
CN102465393A (en) * 2010-11-08 2012-05-23 慧濠光电科技股份有限公司 Manufacture method of flexible substrate and solar cell and production method thereof
CN102486970A (en) * 2010-12-03 2012-06-06 海洋王照明科技股份有限公司 Dye-sensitized solar cell and preparation method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU695669B2 (en) * 1994-05-19 1998-08-20 Canon Kabushiki Kaisha Photovoltaic element, electrode structure thereof, and process for producing the same
DE10032286B4 (en) * 2000-07-03 2014-04-03 Textilforschungsinstitut Thüringen-Vogtland e.V. (TITV e.V.) Light energy into electrical energy converting textile product

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008055404A1 (en) * 2006-11-10 2008-05-15 Peking University A dye sensitized solar battery and a working electrode thereof
CN100505325C (en) * 2006-11-10 2009-06-24 北京大学 Dye sensitization solar cell and working electrode thereof
US20100037949A1 (en) * 2006-11-10 2010-02-18 Peking University Dye sensitized solar cell and a working electrode thereof
CN102465393A (en) * 2010-11-08 2012-05-23 慧濠光电科技股份有限公司 Manufacture method of flexible substrate and solar cell and production method thereof
CN102486970A (en) * 2010-12-03 2012-06-06 海洋王照明科技股份有限公司 Dye-sensitized solar cell and preparation method thereof

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