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Method for preparing solar battery photo-anode substrate

A solar cell and photoanode technology, applied in capacitor electrodes, circuits, photovoltaic power generation, etc., can solve the problem of low photoelectric conversion efficiency of solar cells DSC cells, and achieve the goal of improving photoelectric conversion efficiency, increasing effective use area, and avoiding direct contact. Effect

Inactive Publication Date: 2009-06-03
IRICO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the technical problem that the photoelectric conversion efficiency of the large-area dye-sensitized solar cell DSC cell is not high, the present invention provides a method for preparing a solar cell photoanode substrate, comprising the following steps:

Method used

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  • Method for preparing solar battery photo-anode substrate

Examples

Experimental program
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Embodiment 1

[0024] 1) Take ordinary glass as the substrate, soak it with distilled water, analytically pure acetone and aqueous solution respectively, clean it in an ultrasonic cleaner for 15 minutes, and dry it for later use;

[0025] 2) On the cleaned glass substrate, print the required metal grid pattern with metal paste, and the parameters used for printing are as follows:

[0026] ①Screen printing machine inlet pressure: 0.4Mpa; scraper pressure: 0.2Mpa; scraper pressure: 0.25Mpa; scraper angle: 70°; scraper downward pressure: 0.5mm; scraper travel speed setting: 50mm / s;

[0027] ②The material used for printing is metal electronic paste, and silver with good conductivity is used as the metal electronic paste for printing;

[0028] ③The size of the screen printing screen is 250 mesh;

[0029] ④The degassing temperature is 370°C; the degassing holding time: 10min; the sintering temperature: 450°C; the sintering holding time is 30min, and the resistance value of the grid line is 0.05mΩ...

Embodiment 2

[0035] 1) Take ordinary glass as the substrate, soak it with distilled water, analytically pure acetone and aqueous solution respectively, clean it in an ultrasonic cleaner for 15 minutes, and dry it for later use;

[0036] 2) On the cleaned glass substrate, print the required metal grid pattern with metal paste, and the parameters used for printing are as follows:

[0037] ①Screen printing machine inlet pressure: 0.5Mpa; scraper pressure: 0.25Mpa; scraper pressure: 0.2Mpa; scraper angle: 70°; scraper downward pressure: 0.5mm; scraper travel speed setting: 10mm / s;

[0038] ②The material used for printing is metal electronic paste, and platinum with good conductivity is used as the metal electronic paste for printing;

[0039] ③The size of the screen printing screen is 400 mesh;

[0040] ④The degassing temperature is 250°C; the degassing holding time: 30min; the sintering temperature: 580°C; the sintering holding time is 10min, and the resistance value of the grid line is 1Ω; ...

Embodiment 3

[0046] 1) Take ordinary glass as the substrate, soak it with distilled water, analytically pure acetone and aqueous solution respectively, clean it in an ultrasonic cleaner for 15 minutes, and dry it for later use;

[0047] 2) On the cleaned glass substrate, print the required metal grid pattern with metal paste, and the parameters used for printing are as follows:

[0048] ①Screen printing machine inlet pressure: 0.45Mpa; scraper pressure: 0.23Mpa; scraper pressure: 0.23Mpa; scraper angle: 70°; scraper downward pressure: 0.5mm; scraper travel speed setting: 30mm / s;

[0049] ② The material for printing is metal electronic paste, and gold with good conductivity is used as the metal electronic paste for printing;

[0050] ③The size of the screen printing screen is 320 mesh;

[0051] ④The degassing temperature is 310°C; the degassing holding time: 20min; the sintering temperature: 500°C; the sintering holding time is 20min, and the resistance value of the grid wire is 0.1Ω;

[...

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Abstract

The invention belongs to the photovoltaic cell field, and relates to a method for preparing a solar battery photo-anode substrate. The method can be applied to organic solar batteries and dye-sensitized solar batteries. The method comprises the following steps: simple glass is taken as a substrate and reserved for future use after being cleaned and air-dried; a required metal grid is printed on the clean glass substrate; a metal electron sizing material is taken as the printing material; the obtained metal grid glass substrate is fixed on a membrane flinging machine and subjected to membrane flinging thereon, then dried in a vacuum drying oven, placed in a sintering furnace; and the process of membrane flinging is repeated a plurality of times to finally obtain FTO (tin oxide mixed with fluorine) conductive glass with a metal grid. As the metal grid is designed to be arranged below the conductive thin film of the photo-anode substrate, the invention can achieve the effects of increasing the transmission rate of electrons, effectively preventing the compound of charge, improving the photoelectric conversion efficiency of the battery, preventing the metal grid from being in direct contact with an electrolyte, and increasing the area that can be effectively utilized by the photo-anode substrate.

Description

technical field [0001] The invention relates to the field of photovoltaic cells, in particular to a method for preparing a photoanode substrate of a solar cell, which can be used for organic solar cells and dye-sensitized solar cells. Background technique [0002] Dye-sensitized solar cells (DSCs) have attracted widespread attention due to their advantages of low cost and easy fabrication. At present, the optimization of the large-area fabrication process and the improvement of efficiency of this type of cells are being carried out extensively at home and abroad. [0003] At present, the photoelectric conversion efficiency of dye-sensitized solar cell DSC in the laboratory of Grazel, the founder of dye-sensitized solar cell DSC, has reached 11.04%. However, due to the large surface resistance of FTO conductive glass, it is about 20Ω-30Ω. , the production of large-area batteries leads to increased loss of electrons during the transmission of FTO conductive glass, and the prob...

Claims

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Application Information

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IPC IPC(8): H01G9/04H01M14/00H01L51/48H01L31/04
CPCY02E10/542Y02E10/549
Inventor 姜春华
Owner IRICO
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