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Preparation method of dye-sensitized solar battery counter electrode material

A technology for solar cells and electrode materials, applied in photosensitive devices, electrolytic capacitors, circuits, etc., can solve the problems of easy agglomeration, low electrocatalytic efficiency of electrode materials, low photoelectric conversion efficiency, etc. The effect of increasing conversion efficiency and specific surface area

Active Publication Date: 2018-11-30
温州涌润信息科技有限公司
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Problems solved by technology

[0009] The technical problem mainly solved by the present invention is that for most of the Pt-type counter electrode catalytic materials that have been developed at present, the photoelectric conversion efficiency is on the low side, carbon nanomaterials are easy to agglomerate when applied to the counter electrode material, and the electrocatalytic efficiency of the counter electrode material is low. Defects, a preparation method of a dye-sensitized solar cell counter electrode material is provided

Method used

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  • Preparation method of dye-sensitized solar battery counter electrode material

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Embodiment Construction

[0025]Put 12-15g of p-nitroaniline into a beaker, add 35-40mL of hydrochloric acid with a mass fraction of 20%, heat up to 70-80°C, keep stirring until the solids are completely dissolved, and then place the beaker in an ice bath Rapidly cool to 0-5°C, stir at a speed of 300-400r / min and add 40-50mL sodium nitrite aqueous solution with a mass fraction of 5%, react for 30-35min, then add 4-5g sulfamic acid into the beaker , suction filtration, and separation to obtain the filtrate, which is p-nitroaniline diazonium salt solution; take 10-12 g of multi-walled carbon nanotubes and place them in a three-necked flask, add 200-300 mL of deionized water, and place the three-necked flask in an ultrasonic disperser At a temperature of 50-55°C, ultrasonically disperse at a frequency of 25-30kHz for 30-35min, and drop 40-50mL of p-nitroaniline diazo Salt solution and 4-5g tungsten carbide, react while adding dropwise, until the dropwise addition is completed, the reaction solution in the...

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Abstract

The invention belongs to the technical field of renewable clean energy source, and specifically relates to a preparation method of a dye-sensitized solar battery counter electrode material. In the method, emulsifier OP-10, liquid paraffin and other materials are used as raw materials to obtain oil-in-water emulsion, the oil-in-water emulsion is mixed with sodium metasilicate nonahydrate solution for reaction, thus, counter electrode sizing agent is obtained, the counter electrode sizing agent is subjected to refrigerated centrifugation and precipitate is collected, the precipitate is mixed with dispersed gelatinous coating and sprayed on a FTO conducting glass surface, thus, the dye-sensitized solar battery counter electrode material is obtained. According to the method provided by the invention, an outer hole of an organic dispersed carbon nano tube is plugged by tungsten carbide, electrocatalytic efficiency of the counter electrode is improved, the surface of the carbon nano tube ismodified by paranitroaniline diazo salt, convective heat loss of the electrode material is reduced, photoelectric conversion energy storage is also facilitated, titanium dioxide added in the coating plays a role in a flatting effect and a function of increasing specific area of the surface, photoelectric conversion efficiency of the electrode material is improved, thus, the method has wide application foreground.

Description

technical field [0001] The invention belongs to the technical field of green renewable clean energy preparation, and in particular relates to a preparation method of a dye-sensitized solar cell counter electrode material. Background technique [0002] With the rapid development of society, human's demand for energy is increasing day by day. However, the energy crisis and environmental pollution caused by excessive exploitation and use of fossil energy have gradually emerged, and have become the primary factors restricting the sustainable and healthy development of economy and society. factor. Therefore, the development of renewable energy is one of the effective ways to solve the above problems. As an inexhaustible, pollution-free and clean natural green energy, solar energy has become one of the most promising energy sources. [0003] Dye-sensitized solar cells are a new type of solar cells. Compared with traditional silicon solar cells, they have many advantages such as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/20
CPCH01G9/2022Y02E10/542
Inventor 裘友玖章红英赵金晶
Owner 温州涌润信息科技有限公司
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