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A polymer-coated carbon nanotube composite material, preparation method and application

A technology of composite materials and nanotubes, applied in the field of polymer-coated carbon nanotube composite materials, to achieve the effect of overcoming poor conductivity, excellent conductivity, and excellent superelectricity

Active Publication Date: 2020-12-22
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are few reports on the preparation of polymer-coated carbon nanotube composites that can be used in supercapacitors

Method used

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  • A polymer-coated carbon nanotube composite material, preparation method and application
  • A polymer-coated carbon nanotube composite material, preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] (1) Dissolve 0.01 mmol of terephthalaldehyde in 30 mL of ethanol solution, stir at 35° C. for 10 minutes; slowly add 0.2 g of aminated carbon nanotubes dispersed in the terephthalaldehyde ethanol solution, and stir at room temperature for 10 minute.

[0030] (2) Add 0.085mmol of 2,4,6-tris(4-aminophenyl)-1,3,5-triazine to the terephthalaldehyde ethanol solution in which the aminated carbon nanotubes are uniformly dispersed; stir at room temperature After 5 hours, the dark brown precipitate was centrifuged to obtain a polymer-coated carbon nanotube composite material. (Capacitance value: 112F / g)

Embodiment 2

[0032] (1) Dissolve 0.015 mmol of terephthalaldehyde in 50 mL of methanol solution, stir at 25°C for 10 minutes; slowly add 0.2 g of aminated carbon nanotubes dispersed in the terephthalaldehyde ethanol solution, and stir at room temperature for 15 minute.

[0033] (2) Add 0.01 mmol of 1,3,5-tris(4-aminophenyl)benzene to the terephthalaldehyde methanol solution in which the aminated carbon nanotubes are uniformly dispersed; stir at room temperature for 6 hours, centrifuge the dark brown precipitate, A composite material of polymer-coated carbon nanotubes is obtained. (Capacitance value: 90F / g)

Embodiment 3

[0035] (1) Dissolve 0.02mmol of 1,3,5-tris(4-formylphenyl)benzene in 60mL of tetrahydrofuran / ethanol mixed solution, stir at 30°C for 10 minutes; slowly add 0.12g of aminated carbon nanotubes to disperse in 1,3,5-tris(4-formylphenyl)benzenetetrahydrofuran / ethanol solution and stirred at room temperature for 15 minutes.

[0036] (2) Add 0.025 mmol of 1,3,5-tris(4-aminophenyl)benzene to the terephthalaldehyde ethanol solution in which the aminated carbon nanotubes are uniformly dispersed; stir at room temperature for 7 hours, centrifuge the dark brown precipitate, A composite material of polymer-coated carbon nanotubes is obtained. (Capacitance value: 100F / g)

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Abstract

The invention discloses a polymer-coated carbon nano-tube composite material, a preparation method and applications thereof. The preparation method comprises: carrying out a reaction on a monomer containing an aldehyde functional group and aminated carbon nano-tubes through a Schiff base reaction; adding a proper molar weight of a monomer containing an amino functional group, and preparing a macromolecule polymer coated carbon nano-tube composite material through chemical reaction and hydrogen bond acting force; and applying the prepared composite material in an electrode material, and researching the electrochemical behavior of the macromolecule polymer coated carbon nano-tube composite material.

Description

technical field [0001] The invention relates to a polymer-coated carbon nanotube composite material, a preparation method and an application. Background technique [0002] With the development of science and technology and the progress of society, human beings have an increasing demand for energy, so the problems caused by the energy crisis are becoming more and more serious. As a kind of energy materials, carbon materials are widely used in supercapacitors, redox reactions and other fields. However, the poor surface wettability and uniform charge distribution of carbon materials make their electrochemical performance poor. Therefore, it is necessary to modify pure carbon materials in order to obtain excellent electrochemical performance. In recent years, the strategy of modifying carbon materials by heteroatoms is common, and has gradually become a research hotspot in the field of energy. The doping of heteroatoms can not only improve the surface wettability of carbon ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G12/30C08G12/08C08K9/00C08K3/04H01G11/36H01G11/48
CPCC08G12/08C08G12/30C08K9/00C08K3/041H01G11/36H01G11/48Y02E60/13
Inventor 戴李宗李云同刘玲陈婷吴海洋吴俣哲袁丛辉李伟航
Owner XIAMEN UNIV
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