Quasi-solid dye sensitized flexible solar cell battery and its preparation method

A solar cell, dye sensitization technology, applied in the field of flexible solar cells

Inactive Publication Date: 2009-09-30
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using platinum sheet or platinum-coated conductive glass as the counter electrode has the advantages of corrosion resistance and good charge tr

Method used

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  • Quasi-solid dye sensitized flexible solar cell battery and its preparation method
  • Quasi-solid dye sensitized flexible solar cell battery and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Clean the prepared 500-mesh stainless steel wire mesh with acetone, burn it at 450°C for 15 minutes, and cool it naturally at room temperature; place the burned stainless steel wire mesh in 0.01M titanium tetrabutyl ester / 0.02M Ultrasonic immersion in the ethanol solution of acetylacetone for 30s, take it out and dry it, then burn it at 450°C for 15 minutes, and cool it naturally, repeat the dipping and burning three times.

[0025] (2) Spray TiO2 2 Preparation of emulsion: weigh 3g TiO 2 (Degussa P25) into an agate mortar, add 1.0mL distilled water (containing 0.1mL acetylacetone), then add 4mL distilled water while grinding, add 2 drops of OP emulsifier (Triton X-100) after grinding for 30min, and continue grinding 10min, add 0.7mL of 1wt% magnesium acetate solution (258.3mg of anhydrous magnesium oxide dissolved in 100mL of glacial acetic acid and 150mL of distilled water), then add 4.3mL of distilled water, grind the TiO 2 The emulsion was transferred to a clo...

Embodiment 2

[0035] (1) Clean the prepared 500-mesh stainless steel wire mesh with acetone, burn it at 450°C for 15 minutes, and cool it naturally at room temperature; place the burned stainless steel wire mesh on 0.01M titanium n-propoxide (Ti-nP) / 0.02M acetylacetone ethanol solution for 30s, take it out and dry it, then burn it at 450°C for 15min, cool it naturally, repeat dipping and burning three times.

[0036] (2) (3) Same as Example 1

[0037] (4) Electrospun TiO 2 Preparation of fiber solution: use polyvinylpyrrolidone (PVP, mass average molecular weight 1,300,000) as the electrospinning carrier, first prepare a 6.5%wt PVP / ethanol solution, then take 1gPVP / ethanol solution and add 0.48g glacial acetic acid, 0.24g n-propanol Titanium (Ti-nP), magnetically stirred for 10 min and set aside.

[0038] (5)~(8) Same as Example 1.

[0039] Test results: N719 dye / ethanol solution, battery open circuit voltage 0.69V, short circuit current density 4.1mA / cm 2 , fill factor 0.68, photoelec...

Embodiment 3

[0042] (1) Clean the prepared 500-mesh stainless steel wire mesh with acetone, burn it at 450°C for 15 minutes, and cool it naturally at room temperature; place the burned stainless steel wire mesh on 0.01M titanium n-propoxide (Ti-nP) / 0.02M acetylacetone ethanol solution for 60 seconds, take it out and dry it, then burn it at 450°C for 15 minutes, cool it naturally, repeat the dipping and burning three times.

[0043] (2) (3) Same as Example 1.

[0044] (4) Electrospun TiO 2 Preparation of fiber solution: use polyvinyl acetate (PVAc, mass average molecular weight 500,000) as the electrospinning carrier, first prepare 12%wt PVAc / DMF solution, then take 1g solution and add 0.066g glacial acetic acid, 0.16g titanium n-propoxide (Ti-nP), magnetically stirred for 10 min and set aside.

[0045] (5) Same as Example 1.

[0046] (6) Immerse the stainless steel mesh electrode obtained in step (5) in the DMF solution for 1-3 seconds, take it out and immediately dry it with a hair dr...

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Abstract

The present invention discloses a quasi-solid dye sensitized flexible solar cell battery and a preparation method of the battery. A layer of TiO2 nanometer fiber film is attached as optical anode to a metal wire mesh coated with TiO2 nanometer particles, a sort of organic dye is used as sensitizer, polymer gel electrolyte is filled, a stainless steel plate coated with conductive polymer is used as the counter electrode, a non-conductive polyester film with good light transmittance performance is used as an encapsulation film to encapsulate the assembly, to obtain a quasi-solid flexible solar battery. The battery provided in the present invention has good stability and low cost, and is free of electrolyte leakage or encapsulation difficulty, etc., and can be easily stored, transported, installed, and used.

Description

technical field [0001] The invention relates to a flexible solar cell. Background technique [0002] Since the dye-sensitized titanium dioxide nano-thin film solar cell proposed by Professor Graetzel of Switzerland in 1991, with relatively cheap raw materials and simple preparation process compared with silicon solar cells, the photoelectric conversion efficiency is as high as 10%, which has driven research institutions and industrial departments around the world. Research and Development. This type of dye-sensitized solar cell usually uses tin-indium oxide conductive glass coated with fluorine as the photoanode, on which semiconductor materials such as titanium dioxide nanoparticle slurry are coated, and after sintering at a high temperature of 400-500 ° C, impregnated The organic complex dye uses a platinum sheet or a platinum-plated conductive glass as a counter electrode, fills it with a liquid electrolyte or a solid electrolyte, and then encapsulates it to obtain a liq...

Claims

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Application Information

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IPC IPC(8): H01G9/20H01G9/022H01M14/00H01L51/42H01L51/48
CPCY02E10/542Y02E10/549
Inventor 谭松庭谭卓黄先威冯小明
Owner XIANGTAN UNIV
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