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Method for manufacturing thin film composite material

A polymerization method and electrochemical technology, applied in the direction of electrical components, electrolytic capacitors, capacitors, etc., can solve the problems of high conductivity and unsatisfactory stability performance of electrochemical capacitors, and achieve simple process, excellent comprehensive performance and high efficiency. high effect

Inactive Publication Date: 2013-12-04
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the performance of current electrochemical capacitors in terms of specific capacitance, high conductivity, stability, etc. is still unsatisfactory.

Method used

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  • Method for manufacturing thin film composite material

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Effect test

example 1

[0051] (1) Put the ITO glass into acetone, ethanol, and deionized water for ultrasonication for 20 minutes and dry it for later use; dissolve 5 mg of graphene oxide in 50 ml of deionized water, and ultrasonicate for 2 hours to make it a graphene oxide dispersion. Add 70 μl of ammonia water to the graphene dispersion, add 3 μl of hydrazine hydrate solution after stirring, and react in a water bath at 96°C for 1 hour after fully stirring. After the reaction, a uniform black graphene dispersion is obtained; the graphene dispersion is uniformly Drop-coated on ITO glass, dried under normal temperature and vacuum conditions; obtained graphene layer;

[0052] (2) Dissolve 2.8408g of sodium sulfate particles in 200ml of deionized water, stir evenly with glass, then add 100μl of EDOT monomer dropwise into the solution, stir for 4 hours with magnetic force to dissolve it; work with graphene layer Electrode, the platinum wire electrode is the counter electrode, Ag / AgCl is the reference e...

example 2

[0056] (1) Put the ITO glass into acetone, ethanol, and deionized water for 20 minutes, and dry it for later use; dissolve 10 mg of graphene oxide in 50 ml of deionized water, and ultrasonicate for 2 hours to make it into a graphene oxide dispersion. Add 70 μl of ammonia water to the graphene dispersion, add 6 μl of hydrazine hydrate solution after stirring, and react in a water bath at 96°C for 1 hour after stirring. After the reaction, a uniform black graphene dispersion liquid is obtained; the graphene dispersion liquid is evenly mixed with a rubber dropper. Drop-coated on ITO glass, dried under normal temperature and vacuum conditions; obtained graphene layer;

[0057] (2) Dissolve 2.8408g of sodium sulfate particles in 200ml of deionized water, stir evenly with glass, then add 100μl of EDOT monomer dropwise into the solution, stir for 4 hours with magnetic force to dissolve it; work with graphene layer Electrode, the platinum wire electrode is the counter electrode, Ag / Ag...

example 3

[0061] (1) Put the ITO glass into acetone, ethanol, and deionized water for 20 minutes, and dry it for later use; dissolve 10 mg of graphene oxide in 50 ml of deionized water, and ultrasonicate for 2 hours to make it into a graphene oxide dispersion. Add 70 μl of ammonia water to the graphene dispersion, add 6 μl of hydrazine hydrate solution after stirring, and react in a water bath at 96°C for 1 hour after stirring. After the reaction, a uniform black graphene dispersion liquid is obtained; the graphene dispersion liquid is evenly mixed with a rubber dropper. Drop-coated on ITO glass, dried under normal temperature and vacuum conditions; obtained graphene layer;

[0062] (2) Dissolve 2.8408g of sodium sulfate particles in 200ml of deionized water, stir evenly with glass, then add 100μl of EDOT monomer dropwise into the solution, stir for 4 hours with magnetic force to dissolve it; work with graphene layer Electrode, the platinum wire electrode is the counter electrode, Ag / Ag...

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Abstract

An embodiment of the invention discloses a method for manufacturing a thin film composite material. The method includes preparing graphene oxide dispersion liquid; reducing the graphene oxide dispersion liquid to obtain graphene dispersion liquid; forming a graphene layer on a baseplate by means of the graphene dispersion liquid; forming a poly(3,4-ethylenedioxythiophene) layer by utilizing sulfate and 3,4-ethylene dioxythiophene monomer solution to perform electrochemical polymerization on the graphene layer; forming a manganese dioxide layer by utilizing manganese sulfate solution to perform electrochemical polymerization on the poly(3,4-ethylenedioxythiophene) layer; finally forming a graphene / poly(3,4-ethylenedioxythiophene) / manganese dioxide layer. The method for manufacturing the thin film composite material is efficient and simple in process, the manufactured composite material has excellent performances and is adaptable to serving as electrode material of electrochemical capacitors.

Description

technical field [0001] The invention relates to the technical field of electronic materials, in particular to a method for manufacturing thin film composite materials. Background technique [0002] With climate change and the continuous reduction of fossil fuels, human beings are turning their attention to new sustainable energy sources. Among them, the development of solar energy and wind energy has become a focus, which has also promoted the development of electric vehicles and hybrid electric vehicles. [0003] In these electric transportation, energy storage devices are particularly important. Electrochemical capacitor is an energy storage device between traditional capacitors and batteries. It has attracted people's attention due to its high power density, high energy density, long cycle life, and short charge and discharge time. The electrode material is the most critical part and the main factor determining its performance. Therefore, the development of electrode mat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/042
CPCY02E60/13
Inventor 徐建华李金龙杨文耀张辉陈燕杨亚杰
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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