Unlock instant, AI-driven research and patent intelligence for your innovation.

Flexible dye-sensitized solar cell and preparing method thereof

A technology of solar cells and dye sensitization, applied in the field of solar cells, can solve the problems of reduced battery performance, low use efficiency, metal electrolyte corrosion, etc., and achieve the effects of improving photoelectric performance, reducing production costs, and responding quickly

Inactive Publication Date: 2016-10-12
SHENYANG JIANZHU UNIVERSITY
View PDF5 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most flexible materials for dye-sensitized solar cells choose metal substrates, which are expensive. Most metals are easily oxidized during high-temperature sintering, which greatly increases the resistance of the substrate, and most metals are easily corroded by electrolytes, reducing improved battery performance
The conductive plastic substrate used in the battery has good transparency in the visible light 550nm region, small surface resistance, good chemical stability in the electrolyte, and the plastic-based flexible dye-sensitized solar cell also has unique properties, such as quality Light, flexible, roll-to-roll rapid mass production, etc., showing huge potential commercial value (mobile phones, ID cards, clocks and other portable electronic devices), but the currently developed flexible dye-sensitized solar cells generally have low efficiency , the production cost is high, and it cannot be mass-produced industrially. Therefore, it is urgent to develop a flexible dye-sensitized solar cell with an all-plastic substrate, low-temperature preparation, and high conversion efficiency.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Flexible dye-sensitized solar cell and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A flexible dye-sensitized solar cell with a structure such as figure 1 As shown, from top to bottom are flexible conductive substrate ITO / PET, P25 doped TiO 2 Oxide film of nanotubes, dye photosensitizer N719, KI in ethylene glycol solution and Pt counter electrode.

[0028] The preparation method of the flexible dye-sensitized solar cell includes:

[0029] (1) Wash the flexible conductive substrate ITO / PET film with deionized water first, then put it into a beaker containing acetone solution and ultrasonically clean it for 30 minutes to remove organic matter on the surface of the substrate, take it out and place it in a beaker containing absolute ethanol Ultrasonic cleaning in the beaker for 30 minutes, take it out and put it in a blast drying oven for drying at 80°C for later use;

[0030] (2) Prepare an aqueous solution of n-butyl titanate n-butanol with a concentration of 0.6mol / L, and add TiO 2 nanotubes and P25 powder, where TiO 2 The addition amount of nanotu...

Embodiment 2

[0037] A flexible dye-sensitized solar cell with a structure such as figure 1 As shown, from top to bottom are flexible conductive substrate ITO / PET, P25 doped TiO 2 Oxide film of nanotubes, dye photosensitizer N719, KI in ethylene glycol solution and Pt counter electrode.

[0038] The preparation method of the flexible dye-sensitized solar cell includes:

[0039] (1) Wash the flexible conductive substrate ITO / PET film with deionized water first, then put it into a beaker containing acetone solution and ultrasonically clean it for 30 minutes to remove organic matter on the surface of the substrate, take it out and place it in a beaker containing absolute ethanol Ultrasonic cleaning in the beaker for 30 minutes, take it out and put it in a blast drying oven for drying at 80°C for later use;

[0040] (2) Prepare an aqueous solution of n-butyl titanate n-butanol with a concentration of 0.7mol / L, and add TiO 2 nanotubes and P25 powder, where TiO 2 The addition amount of nanotube...

Embodiment 3

[0047] A flexible dye-sensitized solar cell with a structure such as figure 1 As shown, from top to bottom are flexible conductive substrate ITO / PET, P25 doped TiO 2 Oxide film of nanotubes, dye photosensitizer N719, KI in ethylene glycol solution and Pt counter electrode.

[0048] The preparation method of the flexible dye-sensitized solar cell includes:

[0049] (1) Wash the flexible conductive substrate ITO / PET film with deionized water first, then put it into a beaker containing acetone solution and ultrasonically clean it for 30 minutes to remove organic matter on the surface of the substrate, take it out and place it in a beaker containing absolute ethanol Ultrasonic cleaning in the beaker for 30 minutes, take it out and put it in a blast drying oven for drying at 80°C for later use;

[0050] (2) Prepare an aqueous solution of n-butyl titanate n-butanol with a concentration of 1mol / L, and add TiO 2 nanotubes and P25 powder, where TiO 2 The addition amount of nanotube...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a flexible dye-sensitized solar cell and a preparing method thereof. The solar cell comprises a flexible conducting substrate, a nano-porous oxide thin film, dye photosensitizer, liquid electrolyte and a counter electrode from top to bottom, wherein the flexible conducting substrate is a polymer thin film formed by plating an ITO conducting layer on PET, and the nano-porous oxide thin film is an oxide thin film formed by doping P25 with TiO2 nanotubes. The preparing method includes the steps that a tetrabutyl titanate n-butyl alcohol solution is uniformly mixed with TiO2 nanotubes and P25 powder, the ITO / PET polymer thin film is coated with the mixture, and hydrothermal reaction is carried out to obtain a composite thin film; an electrostatic atomization method is used for photosensitizing the composite thin film by the dye photosensitizer; a H2PtCl2.6H2O-isopropanol-n-butyl alcohol solution is sprayed on the conducting face of ITO / PET polymer, and then low-temperature chemical reduction is carried out to obtain the flexible counter electrode; the photosensitized composite thin film and the flexible counter electrode are assembled, and the liquid electrolyte is injected to obtain the flexible dye-sensitized solar cell.

Description

technical field [0001] The invention relates to a solar cell, in particular to a flexible dye-sensitized solar cell and a preparation method thereof. Background technique [0002] Flexible dye-sensitized solar cells refer to dye-sensitized solar cells made on flexible materials (such as PET, PEN, metal foil plates, etc.), compared with crystalline silicon wafer solar cells and hard substrates (such as glass) thin-film solar cells , has the characteristics of being bendable, not easy to break, light in weight, and easy to carry. [0003] At present, most flexible materials for dye-sensitized solar cells choose metal substrates, which are expensive. Most metals are easily oxidized during high-temperature sintering, which greatly increases the resistance of the substrate, and most metals are easily corroded by electrolytes, reducing the performance of the battery. The conductive plastic substrate used in the battery has good transparency in the visible light 550nm region, sma...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/20H01G9/035H01G9/04
CPCH01G9/20H01G9/2004H01G9/2022H01G9/2095Y02E10/542
Inventor 时方晓陶海全高旭
Owner SHENYANG JIANZHU UNIVERSITY