CN100355090C - Stereo absorption filament integrated dye sensitization solar cell - Google Patents
Stereo absorption filament integrated dye sensitization solar cell Download PDFInfo
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- CN100355090C CN100355090C CNB2005100342654A CN200510034265A CN100355090C CN 100355090 C CN100355090 C CN 100355090C CN B2005100342654 A CNB2005100342654 A CN B2005100342654A CN 200510034265 A CN200510034265 A CN 200510034265A CN 100355090 C CN100355090 C CN 100355090C
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- solar cell
- stereo
- glass tube
- transparent glass
- wire
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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
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Abstract
The present invention relates to a stereo light absorbing filiform integrative dye-sensitized solar cell which comprises a transparent glass tube, wherein a plurality of filming metal wires are staggered in the transparent glass tube; the filming metal wires are composed of metal wires with corrosion resistance for electrolytes or conductive fibers, and the oxides of a broadband gap nanometer crystal semiconductor film with charge separation are plated on the filming metal wires by a filming process. After heat treatment, sensitizing dye is absorbed to make the filming metal wires. After the filming metal wires are connected in parallel, a leading-out electrode is used as the light anode of the stereo light absorbing filiform integrative dye-sensitized solar cell. A counter electrode with the functions of a catalysis and electronic transmission is also placed in the transparent glass tube. An electrolyte with an oxidation reduction function is filled in the transparent glass tube, and the port of the transparent glass tube is encapsulated by sealing gum. The effective light absorbing area of the stereo light absorbing filiform integrative dye-sensitized solar cell for space can be increased on the same area, so the output power of the stereo light absorbing filiform integrative dye-sensitized solar cell on a unit area is enhanced, and the occupation area of the stereo light absorbing filiform integrative dye-sensitized solar cell is saved.
Description
Technical field
The present invention relates to solar photoelectric and utilize the field, be specifically related to a kind of solar cell.
Background technology
Since solar cell in 1954 is invented, the made solar cell of various materials (comprise silicon, GaAs, CIS, reach dye-sensitized solar cells etc.) all adopts planar structure, although scientist is devoted to improve the efficient of plane solar cell always, but pressing the highest theoretical efficiency 50% of single crystal silicon solar cell calculates, its shared area is still very big, even utilize whole roofs of villa also to be difficult to satisfy whole needs for electricity of a family family.Along with Increase of population; people certainly will build more high-rise building; the roof and the land area that can be used to install solar cell certainly will be still less; therefore; want to utilize the clean solar alleviating energy crisis, how to solve a large amount of occupations of land of solar cell and be a vital problem making full use of of sunlight.As everyone knows, the chlorophyllous photosynthesis of occurring in nature plant is also extremely low to the utilization ratio of solar energy, less than 1%, low more than present efficiency of solar cell, but the important difference of plants such as itself and lichens, liver moss is because the solid space extinction structure of fractal growth has been adopted in the growth of tree, reached the reasonable use of solar energy, this has played useful reference function to developing novel dye-sensitized solar cells.
Summary of the invention
The filament integrated dye sensitization solar cell that the purpose of this invention is to provide a kind of stereo absorption, this solar cell can increase the power output that thereby effective extinction area in space is improved solar cell on the unit are, the floor space of saving solar cell on the area identical.
The filament integrated dye sensitization solar cell of a kind of stereo absorption provided by the invention, include a transparent glass tube, push the wrong discharging in the transparent glass tube and be equipped with many plated film wires, extraction electrode is as the light anode of solar cell after the parallel connection of plated film wire, transparent glass tube also be built-in with catalysis and electric transmission effect to electrode, to electrode be placed on transparent glass tube central authorities or be distributed on plated film wiry around, in the transparent glass tube and be filled with the electrolyte of tool redox, its port is encapsulated by fluid sealant; Described plated film wire is to pass through coating process by the wire of electrolyte resistance corrosion or conductive fiber, has plated the broad-band gap nanometer crystal semiconductor film oxide of electric charge centrifugation, makes at absorption sensitizing dyestuff after Overheating Treatment.
In the technique scheme, described wire is titanium, nickel, gold, tungsten, platinum, molybdenum or manganese silk; Described have the electrolyte of redox for containing I
-And I
2Electrolyte; Described coating process adopts technologies such as pulling film forming method or silk screen printing; Described nanometer crystal semiconductor film oxide is nanocrystalline TiO
2Or SnO
2Deng the wide band gap semiconducter film; It is described that what play catalysis and electric transmission effect is platinum filament, nickel wire, carbon filament or wire or the conductive fiber that is coated with platinum, nickel or carbon film to electrode.
During use, the lead that conductance is good (as copper etc.) is drawn after bonding with the positive and negative electrode welding of solar cell of the present invention or with conducting resinl or electrocondution slurry respectively, inserts load, can work under illumination.
Effective extinction area increase of thread integrated stereo absorption structure can be explained with geometric knowledge, as seen from Figure 1, the cylinder of same area be the plane the extinction area 1+4H/D doubly, D one regularly, the extinction area will be with the H increase that is directly proportional, cylinder is divided into the unlimited thin small column silk of diameter again, and arranges with a gap, promptly can the implementation space stereo absorption.The extinction area of wire head is ignored, and the increase of its extinction area can be expressed as 4ndH/D
2Doubly, with the used diameter 100 μ m of present experiment, the titanium silk of long 10cm and the thin film of titanium oxide that is coated with 30 μ m are example, 1cm
2Can arrange that 600 reach the most rational extinction, then space multistory extinction effective area will improve about 300 times than the same area of plane.And the wire diameter that is adopted is thin more, and effectively the extinction area will further increase.
The plane sandwiched formula dye-sensitized solar cells of traditional with the electro-conductive glass is substrate comprises three-decker: ground floor be transparent conducting glass (TCO) go up plating one deck through heat treated broad-band gap porous nanocrystalline sull (as TiO
2), adsorb the sensitizing dyestuff that plays the electric charge centrifugation again on the surface of nano-crystal oxide film and constitute the light anode; The second layer is to be filled with to have redox (as I
-And I
2) electrolyte, the 3rd layer is that the transparent conducting glass that is coated with catalyst (as platinum, nickel, carbon) constitutes electrode.
Operation principle of the present invention with the electro-conductive glass be substrate dye-sensitized solar cells basic identical, when irradiate light behind sensitizing dyestuff, it is right to produce light induced electron-hole, TiO is passed through in electronics and hole
2Separate I
-Ion is oxidized to I by the hole
3 -Ion, electronics enters load after the conduction of plated film wire, again by the electrode metal silk is got back in the electrolyte, again with the I in the electrolyte
3 -Ion is reduced to I by the hole
-Ion is finished a circulation.
Compare with traditional plane sandwiched formula dye-sensitized solar cells, the filament integrated dye sensitization solar cell of stereo absorption of the present invention has the following advantages:
1, owing to adopted the thread integrated morphology of the stereo absorption that is similar to trunk, increased the surface area that receives sunlight, and as long as can infinitely prolong plated film length wiry technically or reduce diameter to increase plated film radical wiry, the extinction surface area will further increase, thereby reach the problem of the floor space of saving solar cell;
2, traditional dye-sensitized solar cells is substrate with the electro-conductive glass, and transparent conductive film is with SnO at present
2Mix semi-conducting materials such as F or tin indium oxide and make, its square resistance is very big, is difficult to carry out the large-area solar cell preparation (less than 1cm
2), and the present invention will further reduce the internal resistance of solar cell with the carrier of the wire corrosion-resistant, that resistance is little as electric transmission, thus raise the efficiency;
3, traditional dye-sensitized solar cells is except that having the big shortcoming of electro-conductive glass resistance because present technology limitation, the out-of-flatness of large tracts of land electro-conductive glass, thus when large tracts of land encapsulates the generating technique difficulty; And the present invention is encapsulated in electrolyte in the tubular container, existing successful example in dry cell etc.;
If 4 line up hedgehog sphere formula with the solar cell of each stereo absorption, then the sun comes up in the east, and when the west fell, the solar cell of body formula extinction can receive sunlight in all directions, it is more efficient convenient to use, and the plane solar cell is only to absorb sunlight from the front.
The present invention is further illustrated below in conjunction with the drawings and the specific embodiments.
Description of drawings
Fig. 1 is the geometric interpretation schematic diagram that effective extinction area of thread integrated stereo absorption structure increases;
Fig. 2 is the structural representation of the filament integrated dye sensitization solar cell of stereo absorption of the present invention;
Fig. 3 lines up the work schematic diagram of hedgehog sphere formula for solar cell of the present invention.
Embodiment
As shown in Figure 2, the filament integrated dye sensitization solar cell of a kind of stereo absorption provided by the invention, include a transparent glass tube 1, push the wrong discharging in the transparent glass tube 1 and be equipped with many plated film wires 2, plated film wire 2 back in parallel extraction electrodes are as the light anode of solar cell, transparent glass tube 1 be placed with in also catalysis and electric transmission effect to electrode 3, transparent glass tube 1 is interior and be filled with the electrolyte 4 with redox, its port is encapsulated by fluid sealant; Plated film wire 2 is to pass through coating process by the wire of electrolyte resistance corrosion or conductive fiber, has plated the broad-band gap nanometer crystal semiconductor film oxide of electric charge centrifugation, makes at absorption sensitizing dyestuff after Overheating Treatment.In the technique scheme, wire is titanium, nickel, gold, tungsten, platinum, molybdenum or manganese silk; Electrolyte 4 with redox is for containing I
-And I
2Electrolyte; Coating process adopts technologies such as pulling film forming method or silk screen printing; The nanometer crystal semiconductor film oxide is nanocrystalline TiO
2Or SnO
2Deng the wide band gap semiconducter film; Play catalysis and electric transmission effect to electrode 3 for platinum filament, nickel wire, carbon filament or be coated with the wire or the conductive fiber of platinum, nickel or carbon film, be placed on the central authorities of transparent glass tube 1 or be distributed on plated film wire 2 around.
As solar cell of the present invention being lined up hedgehog sphere formula as shown in Figure 3, then the sun comes up in the east, and when the west fell, the solar cell of body formula extinction can receive sunlight in all directions, and it is more efficient convenient to use.
Embodiment 1
The commercial nano titanium oxide 12 gram P25 powder of producing with German Degussa company are put into mortar and are ground, and dropwise adding contains the aqueous isopropanol that 4ml contains 10% acetylacetone,2,4-pentanedione, dropwise adding 10ml water again continues to grind, and the triton x-100 of 0.2ml joined in the suspension, preparation concentration is 54.54% titanium oxide sol.
With czochralski method with each second 10mm pull rate with 230 diameters, 100 μ m, the titanium silk of long 7cm plates the thick thin film of titanium oxide of 30 μ m, and reserves titanium silk about 1 centimetre as conductive electrode, 450 ℃ of following heat treatments 30 minutes.
Titanium silk behind the plated film put into contain 3 * 10
-5In the ethanolic solution of mole N719 ruthenium organic dyestuff, heat, take out the back and clean, and put in the dry lucifuge environment and preserve with ethanol to 80 ℃ of immersions 3 hours.
With 100 μ m Tong Si Chan on the light anode of reserving the titanium silk, and cement with conductive silver paste, insulation was solidified in 1 hour in 150 ℃ of vacuum drying chambers, to the electrode platinum filament also adopt handle with quadrat method after, coat the insulating epoxy adhesive curing at copper lead-in wire, to guarantee not and the light anode in short circuit.
Platinum filament is placed on the central authorities of transparent glass tube, and the light anode is put into transparent glass tube and come around the platinum filament with the certain interval mistake, with the port encapsulation of transparent glass tube and reserve two apertures, will contain the LiI of 0.3m/L and the I of 0.015m/L with syringe with glass cement
2Acetonitrile electrolyte throw in the transparent glass tube, again aperture is blocked with epoxy resin glue.
The positive and negative electrode of drawing is inserted load can work under illumination.
Put into separatory funnel after the isopropyl titanate of 125mL and 20mL isopropyl alcohol mixed, drop in the 750mL deionized water that contains 5.3mL70% nitric acid in ten minutes and high degree of agitation, this mixed liquor continues down to stir 8 hours at 80 ℃, forms transparent nano-TiO
2Colloidal solution is put into 200 ℃ of following isothermal reactions of high-temperature high-pressure reaction kettle 12 hours, then with the nano-TiO that makes
2It is 45% TiO that colloidal sol is concentrated into concentration by the rotary evaporation method
2Colloidal sol.
With czochralski method with each second 10mm pull rate with 70 diameters, 100 μ m, the nickel wire of long 11cm plates the thick thin film of titanium oxide of 25 μ m, and reserves nickel wire about 1 centimetre as conductive electrode, 450 ℃ of following heat treatments 30 minutes.
Nickel wire behind the plated film put into contain 5 * 10
-5In the ethanolic solution of the N719 ruthenium organic dyestuff of mol/L, at room temperature placed 72 hours, take out the back and clean, and put in the dry lucifuge environment and preserve with ethanol.
With 100 μ m Tong Si Chan on the light anode of reserving nickel wire, and cement with conductive silver paste, insulation was solidified in 1 hour in 150 ℃ of vacuum drying chambers, to the electrode platinum filament also adopt handle with quadrat method after, coat the insulating epoxy adhesive curing at copper lead-in wire, to guarantee not and the light anode in short circuit.
The internal diameter of transparent glass tube is 4mm, long 10cm, the light anode is put into transparent glass tube and is arranged so that certain interval is wrong, four 100 μ m are distributed on wherein the electrode platinum filament, with glass cement with the encapsulation of the port of transparent glass tube and reserve two apertures, to contain the LiI of 0.5mol/L, the I of 0.03mol/L with syringe
2Throw in the transparent glass tube with the acetonitrile electrolyte of 1mol/L tetra-tert pyridine, again aperture is blocked with epoxy resin glue.
The positive and negative electrode of drawing is inserted load can work under illumination.
Claims (6)
1, a kind of filament integrated dye sensitization solar cell of stereo absorption, it is characterized in that including a transparent glass tube (1), push the wrong discharging in the transparent glass tube (1) and be equipped with many plated film wires (2), plated film wire (2) back in parallel extraction electrode is as the light anode of solar cell, transparent glass tube (1) also be built-in with catalysis and electric transmission effect to electrode (3), to electrode (3) be placed on transparent glass tube (1) central authorities or be distributed on plated film wire (2) around, in the transparent glass tube (1) and be filled with the electrolyte (4) of tool redox, its port is encapsulated by fluid sealant; Described plated film wire (2) is to pass through coating process by the wire of electrolyte resistance corrosion or conductive fiber, has plated the broad-band gap nanometer crystal semiconductor film oxide of electric charge centrifugation, makes at absorption sensitizing dyestuff after Overheating Treatment.
2, the filament integrated dye sensitization solar cell of stereo absorption according to claim 1 is characterized in that described wire is titanium, nickel, gold, tungsten, platinum, molybdenum or manganese silk.
3, the filament integrated dye sensitization solar cell of stereo absorption according to claim 1 is characterized in that describedly having the electrolyte (4) of redox for containing I
-And I
2Electrolyte.
4, the filament integrated dye sensitization solar cell of stereo absorption according to claim 1 is characterized in that described coating process adopts pulling film forming method or silk-screen printing technique.
5, the filament integrated dye sensitization solar cell of stereo absorption according to claim 1 is characterized in that described nanometer crystal semiconductor film oxide is nanocrystalline TiO
2Or SnO
2Wide-band gap semiconductor thin film.
6, the filament integrated dye sensitization solar cell of stereo absorption according to claim 1, it is characterized in that described play catalysis and electric transmission effect to electrode (3) for platinum filament, nickel wire, carbon filament or be coated with the wire or the conductive fiber of platinum, nickel or carbon film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100342654A CN100355090C (en) | 2005-04-21 | 2005-04-21 | Stereo absorption filament integrated dye sensitization solar cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100342654A CN100355090C (en) | 2005-04-21 | 2005-04-21 | Stereo absorption filament integrated dye sensitization solar cell |
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| Publication Number | Publication Date |
|---|---|
| CN1674304A CN1674304A (en) | 2005-09-28 |
| CN100355090C true CN100355090C (en) | 2007-12-12 |
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| CNB2005100342654A Expired - Fee Related CN100355090C (en) | 2005-04-21 | 2005-04-21 | Stereo absorption filament integrated dye sensitization solar cell |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100505325C (en) * | 2006-11-10 | 2009-06-24 | 北京大学 | Dye sensitization solar cell and working electrode thereof |
| WO2009027977A2 (en) * | 2007-08-28 | 2009-03-05 | 3Gsolar Ltd. | Photovoltaic dye cell having an improved counter-electrode |
| CN101266883B (en) * | 2008-04-11 | 2010-06-02 | 中山大学 | Grid electrode integrated double-side efficient light absorption dye sensitized solar battery |
| CN101814377B (en) * | 2010-05-24 | 2011-09-14 | 西南交通大学 | Preparation method of TiO2 film of dye-sensitized solar battery with high conversion efficiency under low light intensity |
| CN101996772B (en) * | 2010-09-28 | 2011-12-21 | 彩虹集团公司 | Preparation method of tubular dye-sensitized solar cell |
| CN102709068A (en) * | 2012-06-11 | 2012-10-03 | 复旦大学 | Needle-shaped dye-sensitized solar cell |
| CN102842439A (en) * | 2012-08-31 | 2012-12-26 | 复旦大学 | Pine-tree solar cell landscape tree |
| JP5382186B1 (en) * | 2012-10-10 | 2014-01-08 | ウシオ電機株式会社 | Dye-sensitized solar cell |
| WO2017128540A1 (en) * | 2016-01-29 | 2017-08-03 | 周一珺 | Stereoscopic photovoltaic cell substrate structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6278056B1 (en) * | 1998-07-15 | 2001-08-21 | Director-General Of Agency Of Industrial Science And Technology | Metal complex useful as sensitizer, dye-sensitized oxide semiconductor electrode and solar cell using same |
| JP2003059546A (en) * | 2001-08-15 | 2003-02-28 | Toppan Printing Co Ltd | Manufacturing method of dye sensitizing solar cell and solar cell using same |
| CN1571169A (en) * | 2003-07-19 | 2005-01-26 | 鸿富锦精密工业（深圳）有限公司 | A solar cell |
-
2005
- 2005-04-21 CN CNB2005100342654A patent/CN100355090C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6278056B1 (en) * | 1998-07-15 | 2001-08-21 | Director-General Of Agency Of Industrial Science And Technology | Metal complex useful as sensitizer, dye-sensitized oxide semiconductor electrode and solar cell using same |
| JP2003059546A (en) * | 2001-08-15 | 2003-02-28 | Toppan Printing Co Ltd | Manufacturing method of dye sensitizing solar cell and solar cell using same |
| CN1571169A (en) * | 2003-07-19 | 2005-01-26 | 鸿富锦精密工业（深圳）有限公司 | A solar cell |
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| CN1674304A (en) | 2005-09-28 |
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Granted publication date: 20071212 Termination date: 20140421 |