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A kind of supercapacitor electrode material and preparation method thereof

A technology for supercapacitors and electrode materials, which is applied in the manufacture of hybrid capacitor electrodes and hybrid/electric double-layer capacitors. The effect of simple process and stable chemical properties

Inactive Publication Date: 2018-04-10
LIAOCHENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method has complicated process, cumbersome steps and many reagents, so it is not suitable for industrial mass production.

Method used

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  • A kind of supercapacitor electrode material and preparation method thereof
  • A kind of supercapacitor electrode material and preparation method thereof
  • A kind of supercapacitor electrode material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0034] Take 0.0279g of 1-aminoanthraquinone monomer into a volumetric flask, add acetonitrile solution to 25ml, ultrasonically oscillate until the monomer is completely dissolved, and obtain a 0.005mol / L 1-aminoanthraquinone monomer solution. Transfer the 1-aminoanthraquinone monomer solution to a beaker, and add 0.3061 g of sodium perchlorate into the 1-aminoanthraquinone monomer solution, stir evenly to dissolve it completely. Inert gas was passed into the obtained mixed solution, and the oxygen in the mixed solution was removed by bubbling for 1 hour, and finally an oxygen-free electrolyte was obtained.

[0035] 0.0558g of graphene was added into the absolute ethanol solution, and ultrasonically oscillated for 2 hours to disperse it evenly to obtain a graphene dispersion. Use the spin coating method to evenly coat the graphene dispersion on a specific area of ​​the conductive glass, place it in a vacuum drying oven at 60°C and dry it for 2 hours until the absolute ethanol e...

Embodiment 2

[0039] Take 0.0558g of 1-aminoanthraquinone monomer into a volumetric flask, add acetonitrile solution to 25ml, ultrasonically oscillate until the monomer is completely dissolved, and obtain a 0.01mol / L 1-aminoanthraquinone monomer solution. Transfer the 1-aminoanthraquinone monomer solution to a beaker, and add 0.5267 g of sodium perchlorate into the 1-aminoanthraquinone monomer solution, stir evenly to dissolve it completely. Inert gas was passed into the obtained mixed solution, and the oxygen in the mixed solution was removed by bubbling for 1 hour, and finally an oxygen-free electrolyte was obtained.

[0040] 0.0224g of graphene was added into the absolute ethanol solution, and ultrasonically oscillated for 2 hours to disperse it evenly to obtain a graphene dispersion. Use the spin coating method to evenly coat the graphene dispersion on a specific area of ​​the conductive glass, place it in a vacuum drying oven at 60°C and dry it for 2 hours until the absolute ethanol ev...

Embodiment 3

[0045] Take 0.0558g of 1-aminoanthraquinone monomer into a volumetric flask, add acetonitrile solution to 25ml, ultrasonically oscillate until the monomer is completely dissolved, and obtain a 0.01mol / L 1-aminoanthraquinone monomer solution. Transfer the 1-aminoanthraquinone monomer solution to a beaker, and add 1.0534 g of sodium perchlorate into the 1-aminoanthraquinone monomer solution, stir evenly to dissolve it completely. Inert gas was passed into the obtained mixed solution, and the oxygen in the mixed solution was removed by bubbling for 1 hour, and finally an oxygen-free electrolyte was obtained.

[0046] 0.0336g of graphene was added into the absolute ethanol solution, and ultrasonically oscillated for 2 hours to disperse it evenly to obtain a graphene dispersion. Use the spin coating method to evenly coat the graphene dispersion on a specific area of ​​the conductive glass, place it in a vacuum drying oven at 60°C and dry it for 2 hours until the absolute ethanol ev...

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Abstract

The invention relates to a supercapacitor electrode material and a preparation method thereof. The electrode material is compounded by loading poly-1-aminoanthraquinone on the surface of graphene. The preparation process is mainly to place the working electrode coated with graphene into an oxygen-free electrolyte containing 1-aminoanthraquinone monomer and perchlorate, and perform electrochemical polymerization on the working electrode to form poly-1-aminoanthraquinone thin film to obtain a graphene-modified poly-1-aminoanthraquinone composite electrode material, which is washed and dried to obtain a supercapacitor electrode material. The supercapacitor electrode material prepared by the present invention has the advantages of stable structure, stable chemical properties, excellent electrochemical performance, good cycle performance and high specific capacitance, has great application potential in supercapacitor electrode materials, and the preparation method is simple, It has the advantages of strong controllability, no external additives and high efficiency.

Description

technical field [0001] The invention belongs to the technical field of new energy electronic materials, and relates to a supercapacitor electrode material and a preparation method thereof. Background technique [0002] With the decrease of global fossil energy resources and the serious environmental pollution it brings, the development and utilization of new energy has become a strategic demand of the country. The storage of new energy and the improvement of energy utilization are an important way to solve energy shortage and environmental pollution. Supercapacitor is a new type of energy storage device developed in the past ten years between traditional capacitors and secondary batteries. It has high power density, fast charge and discharge speed, high and low temperature resistance, long cycle life, and no environmental pollution. Advantages, as a kind of energy storage equipment with green environmental protection and excellent performance, it has broad application prosp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G11/32H01G11/48H01G11/86
CPCY02E60/13
Inventor 陶绪泉陈汪洋崔慧王怀生李玉超班朝磊
Owner LIAOCHENG UNIV