WO2011009385A1 - Cellule solaire à colorant à commande de mini-écoulement - Google Patents

Cellule solaire à colorant à commande de mini-écoulement Download PDF

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Publication number
WO2011009385A1
WO2011009385A1 PCT/CN2010/075210 CN2010075210W WO2011009385A1 WO 2011009385 A1 WO2011009385 A1 WO 2011009385A1 CN 2010075210 W CN2010075210 W CN 2010075210W WO 2011009385 A1 WO2011009385 A1 WO 2011009385A1
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WO
WIPO (PCT)
Prior art keywords
battery
film
plate
dye
solar cell
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Ceased
Application number
PCT/CN2010/075210
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English (en)
Chinese (zh)
Inventor
孙中伟
翟锦
江雷
聂富强
金立国
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Institute of Chemistry CAS
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Institute of Chemistry CAS
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Publication of WO2011009385A1 publication Critical patent/WO2011009385A1/fr
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/20—Light-sensitive devices
    • H01G9/2068—Panels or arrays of photoelectrochemical cells, e.g. photovoltaic modules based on photoelectrochemical cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/20—Light-sensitive devices
    • H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
    • H01G9/2031—Light-sensitive devices comprising an oxide semiconductor electrode comprising titanium oxide, e.g. TiO2
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/20—Light-sensitive devices
    • H01G9/2059—Light-sensitive devices comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution
    • 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

Definitions

  • a fluid pressure or electric field is widely used in a microfluidic system to control the flow of a liquid, and an electroosmotic flow is generated by placing a microelectrode and an electric field in a microfluidic conduit to drive the flow of liquid in the conduit.
  • the working principle of the "electroosmotic pump" is that, taking the glass substrate as an example, as shown in Fig. 1, under the condition that the pH of the electrolyte solution is neutral or alkaline, the surface of the glass microgroove produces a local negative charge.
  • the liquid electrolyte there is a nanocrystalline film between the conductive region of the electric energy output negative electrode B1 of the battery photoanode plate and the electric energy output positive electrode B2 of the battery counter electrode plate; the positive electrode A1 with applied voltage and the negative electrode A2 with applied voltage
  • the reservoirs C1 and C2 and the microchannels D filled with the liquid electrolyte constitute the aforementioned "electroosmotic pump”.
  • the liquid electrolyte will flow in the microchannel circulation loop to achieve continuous renewal and replenishment of the liquid electrolyte in the nanocrystalline membrane.
  • the microfluidic dye-sensitized solar cell of the invention comprises a battery counter electrode plate, a battery pressure film, a battery photoanode plate, a battery sealing film, a battery sealing blind plate, a liquid electrolyte, a nanocrystalline film, a micro channel, a micro groove, and a storage
  • One surface of the battery light anode plate is a conductive surface, and the other surface is a non-conductive surface; one surface of the battery counter electrode plate is a conductive surface, and the other surface is a non-conductive surface.
  • the conductive surface of the battery photoanode plate is separated by two or more independent conductive regions, one of which serves as a negative electrode for electric energy output; the remaining conductive region serves as a spare region, for example, as an applied voltage positive electrode or an applied voltage negative electrode.
  • the two through holes at both ends of the plurality of through holes in series are referred to as a first through hole and a tail through hole, and the through hole at either end is referred to as a first through hole, and the other end through hole is referred to as a through hole.
  • microchannels in the battery pressure film There are two or more microchannels in the battery pressure film.
  • the number of through holes is greater than two, at least one of the microchannels is connected to the nanocrystalline film and the first through hole respectively, and the remaining battery voltage is The two ends of the microchannel in the film are respectively connected with the nanocrystalline film and the last through hole; or when the number of the through holes is two, at least one of the two microchannels is respectively connected with the nanocrystalline film and one of the through holes In connection with each other, the two ends of the microchannel in the remaining battery pressure film are respectively connected to the nanocrystalline film and the other through hole.
  • microvoids in the nanocrystalline film, the microchannels in the battery pressure film, the through holes and the microchannels are filled with a liquid electrolyte.
  • the through holes of the non-conducting surface of the battery photoanode plate or the non-conducting surface of the battery counter electrode plate are covered with a battery sealing blind plate, a battery sealing blind plate and a non-conductive surface of the battery photoanode plate or a battery.
  • the space defined by the through hole and the battery sealing film, the battery sealing blind plate, the battery pressing film and the battery photoanode plate constitutes a liquid storage tank, or a through hole and a battery sealing film, a battery sealing blind plate, a battery pressing film and
  • the space enclosed by the battery electrode plate constitutes a liquid storage tank (in which a liquid storage tank is formed at one through hole); when the number of through holes is more than two, that is, when the number of the liquid storage tanks is greater than two, the applied voltage
  • the positive electrode is passed into a liquid storage tank formed by the first through hole (referred to as a first storage liquid tank), and the negative electrode of the applied voltage is introduced into the liquid electrolyte in a liquid storage tank formed by the last through hole (referred to as a final liquid storage tank); or When the number of the liquid storage tanks is two, the positive electrode of the applied voltage and the negative electrode of the applied voltage are respectively introduced into the liquid electrolyte in the two liquid storage tanks.
  • the size of the metal platinum layer of the electrical energy output positive surface is adapted to the nanocrystalline film.
  • the size of the conductive region of the battery photoanode plate as the power output negative electrode and the conductive region of the battery counter electrode as the power output positive electrode are both larger than the size of the nanocrystalline film.
  • the microchannels may have an equivalent diameter of 10 ⁇ to 500 ⁇ .
  • the microchannels may have an equivalent diameter of 0.2 mm to 1 mm.
  • the nanocrystalline film may be prepared by the following method: spraying a solution containing a microparticle material onto the surface of the negative electrode of the electric energy output by spraying, printing, knife coating or film attachment, at 400 ° C to 600 ° Curing at a temperature of C (preferably 450 ° C), forming a film of micro-particle material on the surface of the negative electrode of the electric energy output; then immersing the negative electrode of the electric energy output with the film of the micro-particle material in an organic dye solution or an inorganic dye solution to adsorb the dye, Soaking time is 0.5 1! ⁇ 48 h; taken out to obtain a nanocrystalline film; the thickness of the nanocrystalline film is 5 ⁇ to 50 ⁇ .
  • the solution containing the microparticle material comprises a microparticulate material, polyvinyl alcohol, ethanol and deionized water; wherein: a microparticle material having a mass concentration of 5% to 15%, and a concentration of 1% to 5% by mass Vinyl alcohol, a concentration of 30% ⁇ 50% ethanol, the balance being deionized water.
  • the microparticulate material has a particle size of 10 nm to 500 nm; at least one selected from the group consisting of Ti0 2 , ZnO, SnO 2 , Nd 2 0 5 and the like.
  • the organic dye solution or the inorganic dye solution refers to: an organic dye or a mixed solution of an inorganic dye and a solvent, wherein the organic dye solution or the inorganic dye solution has a molar concentration of 0.03 mM/L to 3 mM/L ; It may be at least one selected from the group consisting of ethanol, toluene, methanol, acetonitrile, 3-methoxyacrylonitrile, tetrat-butylpyridine, acetone, isopropanol and the like.
  • the organic dye may be a carboxylic acid bipyridylium or a carboxylic acid polypyridinium; wherein: the carboxylic acid bipyridylium includes N3 (uthenium 535 abbreviated as N3) and N719 (Ruthenium 535-bisTBA abbreviated as N719).
  • the inorganic dye may be at least one selected from the group consisting of CdS, CdSe, FeS 2 , RuS 2 and the like.
  • the battery counter electrode plate and the battery photoanode plate can be made of a transparent conductive material, such as ITO conductive glass or FTO conductive glass.
  • the independent conductive region separated by the side surface of the battery counter electrode plate and the photoanode plate of the battery may be processed by etching, laser or ultrasonic.
  • the battery pressure film and the battery sealing film may each have a thickness of 5 ⁇ m to 50 ⁇ m, which are all materials having pressure bonding or thermal bonding properties, such as: polyethylene terephthalate (abbreviation) PET) thermosetting film, DuPont's Bynel heat sealing film.
  • the mixed solvent is prepared by a molar ratio of the ionic liquid to the organic solvent of from 0 to 100: 100 to 0.
  • Iodine salt 1-methyl-3-hexylimidazolium iodide, 1.2-dimethyl-3-propylimidazolium iodide, tetrapropylammonium iodide, N-ethylpyridine iodide, N-butyl bromide At least one of the group consisting of pyridine, N-butylpyridine tetrafluoroborate, N-butyl-3-methylpyridine chloride, and the like.
  • the iodide may be at least one selected from the group consisting of lithium iodide, sodium iodide, potassium iodide, and ammonium iodide.
  • the modifier may be N-methylbenzimidazole or tert-butylpyridine.
  • the invention realizes the circulation and supplement of the liquid electrolyte in the dye-sensitized solar cell through the integrated design of the "electroosmotic pump", the microchannel, the microcircuit and the dye-sensitized nanocrystalline film, and solves the problem of the battery failure caused by the electrolyte loss in the past.
  • the service life of the dye-sensitized solar cell is effectively extended.
  • FIG. 1 Schematic diagram of the working principle of "electroosmotic pump”.
  • FIG 11. Front view of a battery photoanode panel of a microfluidic dye-sensitized solar cell of Example 2 of the present invention.
  • Figure 12 is a front elevational view of a battery counter electrode plate of a microfluidic dye-sensitized solar cell of Example 2 of the present invention.
  • Figure 13 Front view of a battery pressure film of a microfluidic dye-sensitized solar cell of Example 2 of the present invention.
  • Figure 14. Front view of a blind plate of a microfluidic dye-sensitized solar cell of Example 2 of the present invention.
  • FIG. 1 IV graph of the microfluidic dye-sensitized solar cell of Example 1 of the present invention tested when a 5 V DC voltage was applied between the applied voltage positive and negative electrodes and the simulated solar light intensity was 100 mW/cm 2 .
  • c represents the IV curve of the initial test and d represents the IV curve tested after 7 days.
  • FIG. 18 IV graph of the microfluidic dye-sensitized solar cell of Example 2 of the present invention tested when a 10 V DC voltage was applied between the applied voltage positive and negative electrodes and the simulated solar light intensity was 100 mW/cm 2 .
  • e represents the IV curve of the initial test and f represents the IV curve tested after 7 days.
  • Figure 20 Front view of a battery photoanode panel of a microfluidic dye-sensitized solar cell of Example 3 of the present invention.
  • Figure 21 is a front elevational view of a cell counter electrode plate of a microfluidic dye-sensitized solar cell of Example 3 of the present invention.
  • Figure 22 Front view of a battery pressure film of a microfluidic dye-sensitized solar cell of Example 3 of the present invention.
  • Figure 23 is a front elevational view of a battery closure film of a microfluidic dye-sensitized solar cell of Example 3 of the present invention.
  • Liquid storage tank 11. Liquid storage tank 12. Electric energy output negative pole
  • the microfluidic dye-sensitized solar cell comprises a battery counter electrode plate 1, a battery pressure film 2, a battery photoanode plate 3, a battery sealing film 4, a battery sealing blind plate 5, a liquid electrolyte 6, a nanocrystalline film 7, a microchannel 8 , micro-groove 9, liquid storage tank 10, liquid storage tank 11, electric energy output negative electrode 12, electric energy output positive electrode 13, plus The voltage positive electrode 14 and the applied voltage negative electrode 15.
  • two independent conductive regions are processed by laser etching, wherein one conductive region serves as the power output negative electrode 12 and the other conductive region serves as a spare region.
  • the battery is processed on the conductive surface of the electrode plate 1 by laser etching to form four independent conductive regions, one of which serves as the power output positive electrode 13 and the other two as the applied voltage positive electrode 14 and the applied voltage negative electrode 15 respectively.
  • the remaining conductive region serves as a spare region; wherein a metal platinum layer is present on the surface of the power output positive electrode 13.
  • the battery pressure film 2 has two microchannels 8 in which two ends of the microchannel are respectively connected with the nanocrystalline film 7 and a cylindrical through hole, and the two ends of the other microchannel are respectively combined with the nanocrystal.
  • the membrane is in communication with another cylindrical through hole.
  • microchannels are not directly in communication with the microchannels.
  • the two cylindrical through holes on the non-conducting surface of the battery photoanode plate 3 are covered with a battery sealing blind plate 5, and a battery sealing film is disposed between the battery sealing blind plate 5 and the non-conductive surface of the battery photoanode plate 3. 4 (The battery sealing blind plate 5 does not block the light receiving surface of the nanocrystalline film 7), and the battery sealing blind plate 5 is pressed against the battery sealing film 4.
  • microvoids in the nanocrystalline film, the microchannels in the battery pressure film, the cylindrical through holes, and the microchannels are filled with the liquid electrolyte 6.
  • the material of the battery pressure film and the battery sealing film is a polyethylene terephthalate (referred to as PET) thermosetting film having a thickness of 50 ⁇ m.
  • PET polyethylene terephthalate
  • the liquid electrolyte 6 is a mixture containing 0.05 mol/L of I 2 , O. lmol/L of Lil, 0.45 mol/L of N-methylbenzimidazole in a mixed solvent; wherein the mixed solvent is 0.6.
  • Mol/L 1-methyl-3-propylimidazolium iodide is prepared with acetonitrile.
  • Battery package The battery photoanode plate 3, the battery pressure film 2, and the battery counter electrode plate 1 are sequentially pressed and pressed; placed in an oven at 80 ° C for 1 hour to cure the battery pressure film; then the assembly is placed in a vacuum
  • the chamber is evacuated; the micro-voids, microchannels, micro-grooves and two cylindrical through-holes in the nanocrystalline film are filled with the liquid electrolyte 6; the battery sealing film 4 is pressed into the surrounding area of the two cylindrical through holes, Then, the battery sealing blind plate 5 is pressed onto the battery sealing film 4, and covers two cylindrical through holes, and the battery sealing film 4 is cured by heating at 80 ° C for 1 hour; the vacuum is released, and the battery is taken out and taken out.
  • HAT6002D DC POWER SUPPLY (Manufacturer: Taizhou Hengant Electronics Co., Ltd.) Table 1. Test data of existing dye-sensitized solar cells
  • Example 2 In the IV curve of Fig. 16, the short-circuit current drops significantly, about 12%, and the efficiency drops by about 11.7%. In the IV curve of Fig. 17, the short-circuit current is stable, basically does not decrease, and the efficiency is stable at 1.0%. The results show that the microfluidic dye-sensitized solar cell of the present invention can effectively maintain good battery performance.
  • Example 2 In the IV curve of Fig. 16, the short-circuit current drops significantly, about 12%, and the efficiency drops by about 11.7%. In the IV curve of Fig. 17, the short-circuit current is stable, basically does not decrease, and the efficiency is stable at 1.0%. The results show that the microfluidic dye-sensitized solar cell of the present invention can effectively maintain good battery performance.
  • Example 2 Example 2
  • the nanocrystalline film has a size of 10 mm x 10 mm and a thickness of about 40 ⁇ m.
  • the battery is processed on the conductive surface of the electrode plate 1 by laser etching to form four independent conductive regions, one of which serves as the power output positive electrode 13 and the other two as the applied voltage positive electrode 14 and the applied voltage negative electrode 15 respectively.
  • the remaining conductive region serves as a spare region; wherein a metal platinum layer is present on the surface of the power output positive electrode 13.
  • the size of the battery counter electrode plate 1 is 40 mm x 33 mm x l mm, and the size of the conductive region of the positive electrode 13 is 27 mm x 16 mm, and the size of the positive electrode 14 and the applied voltage negative electrode 15 are both 20 mm x 6 mm;
  • the surface of the power output positive electrode 13 has a metal platinum layer having a thickness of about 8 ⁇ ⁇ / ⁇ 2 , which is the same as that of the nanocrystalline film, and the metal platinum layer is coated by ion sputtering.
  • the liquid electrolyte 6 is a mixture containing 0.05 mol/L of I 2 , 0.1 mol/L of Lil, and 0.45 mol/L of N-methylbenzimidazole in a mixed solvent; wherein the mixed solvent is 0.6 mol. /L 1-methyl-3-propylimidazolium iodide and acetonitrile.
  • the solution containing the microparticles containing material Ti0 2 concentration of 10% by mass of Ti0 2 microparticles, a concentration of 3 mass% polyvinyl alcohol, mass concentration of 40% deionized water, 47% by mass concentration Ethanol.
  • Production of battery sealing blind plate Cut the conductive glass to the required size, ultrasonically clean (respectively: deionized water, acetone, absolute ethanol), and blow dry with nitrogen.
  • Production of the battery sealing film 4 The PET material is cut to a desired size, and a cylindrical through hole is processed by a laser cutting method.
  • Example 3 of the present invention is similar to the microfluidic dye-sensitized solar cell of Example 1.
  • Example 4 is similar to the microfluidic dye-sensitized solar cell of Example 1.
  • the nanocrystalline film has a thickness of about 20 ⁇ m.
  • microfluidic dye-sensitized solar cell of this example is similar to the microfluidic dye-sensitized solar cell of Example 2.
  • Example 6 is similar to the microfluidic dye-sensitized solar cell of Example 2.
  • microfluidic dye-sensitized solar cell is the same as that of the embodiment 3; wherein the following changes are made compared with the embodiment 3:

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Hybrid Cells (AREA)
  • Photovoltaic Devices (AREA)

Abstract

L'invention porte sur une cellule solaire à colorant à commande de mini-écoulement intégrée à un dispositif de commande de mini-écoulement. Un film nanocristallin (7) est placé entre la zone conductrice d'une électrode négative de sortie électrique (12) de l'anode optique (3) de la cellule et la zone conductrice d'une électrode positive de sortie électrique (13) de la contre-électrode (l) de la cellule; le film nanocristallin (7) est raccordé à deux réservoirs (l0) par des microcanaux (8), respectivement, des microcannelures (9) sont formées entre les réservoirs adjacents (l0), ce raccordement forme une boucle de cycle de microcanaux remplie d'un électrolyte liquide (6); l'électrode positive (14) et l'électrode négative (15) de tension externe font entrer l'électrolyte liquide (6) des réservoirs (l0), respectivement; l'électrode positive (14) et l'électrode négative (15) de tension externe, les réservoirs (l0) remplis d'électrolyte liquide (6) et les microcannelures (9) constituent une « pompe électro-osmotique ». Par commande de la force d'élévation de la « pompe électro-osmotique », un cyclage et une supplémentation d'électrolyte liquide dans la cellule solaire à colorant sont réalisées, et le problème de défaillance de cellule provoquée par une fuite d'électrolyte est résolu, de façon à étendre efficacement la durée de vie de la cellule solaire à colorant.
PCT/CN2010/075210 2009-07-20 2010-07-16 Cellule solaire à colorant à commande de mini-écoulement Ceased WO2011009385A1 (fr)

Applications Claiming Priority (2)

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CN200910089024.8 2009-07-20
CN2009100890248A CN101958194B (zh) 2009-07-20 2009-07-20 微流控染料敏化太阳能电池

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EP2600364A1 (fr) 2011-12-02 2013-06-05 Universita'del Salento Cellule solaire de type Grätzel avec un système continu de remplissage de colorant organique et d'électrolyte
WO2016032117A1 (fr) * 2014-08-26 2016-03-03 주식회사 이건창호 Électrolyte comprenant à la fois un solvant organique à point d'ébullition élevé et un liquide ionique et cellule solaire à colorant mettant en œuvre ledit électrolyte
CN106783190A (zh) * 2016-12-30 2017-05-31 上海英凡环保科技有限公司 一种循环电解液型染料敏化太阳能电池装置

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CN102385992A (zh) * 2011-11-18 2012-03-21 中国科学院等离子体物理研究所 染料敏化太阳电池电解液注入孔的密封方法及装置
CN104465321B (zh) * 2014-11-21 2018-02-16 河南大学 一种制备光电薄膜的方法
CN108375015A (zh) * 2018-04-02 2018-08-07 深圳万智联合科技有限公司 基于物联网方便管理的智能路灯
CN109786777B (zh) * 2019-01-30 2020-10-16 中国科学院理化技术研究所 基于微流控芯片的液态金属电池装置及其制备方法
PL444945A1 (pl) * 2023-05-22 2024-11-25 Politechnika Wrocławska Mikrofluidalny elektrochemiczny panel fotowoltaiczny z magazynem energii
PL444947A1 (pl) * 2023-05-22 2024-11-25 Politechnika Wrocławska Mikrofluidalny układ do generowania i magazynowania energii

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US20050081911A1 (en) * 2003-10-17 2005-04-21 Sharp Kabushiki Kaisha Photosensitizing transition metal complex and its use for photovoltaic cell
CN101354970A (zh) * 2008-09-16 2009-01-28 彩虹集团公司 一种染料敏化纳米晶太阳能电池的制备方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2600364A1 (fr) 2011-12-02 2013-06-05 Universita'del Salento Cellule solaire de type Grätzel avec un système continu de remplissage de colorant organique et d'électrolyte
WO2013080178A1 (fr) 2011-12-02 2013-06-06 Universita' Del Salento - Dipartimento Di Ingegneria Dell'innovazione Cellule graetzel ayant un colorant organique continu et un système de remplissage d'électrolyte
WO2016032117A1 (fr) * 2014-08-26 2016-03-03 주식회사 이건창호 Électrolyte comprenant à la fois un solvant organique à point d'ébullition élevé et un liquide ionique et cellule solaire à colorant mettant en œuvre ledit électrolyte
CN106783190A (zh) * 2016-12-30 2017-05-31 上海英凡环保科技有限公司 一种循环电解液型染料敏化太阳能电池装置
CN106783190B (zh) * 2016-12-30 2018-06-19 上海英凡环保科技有限公司 一种循环电解液型染料敏化太阳能电池装置

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CN101958194A (zh) 2011-01-26

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