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Preparation method for carbon nanotube-based conductive cotton fabric

A carbon nanotube and conductive cotton technology, which is applied in the field of preparation of conductive cotton fabrics, can solve the problems of low efficiency, cumbersome operation, low carbon nanotube loading, etc., and achieves the effects of simplified process, good conductivity and soft quality

Inactive Publication Date: 2017-06-20
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is cumbersome and inefficient, and the loading of carbon nanotubes on the fabric is low. The loading of carbon nanotubes in polypyrrole / multi-walled carbon nanotubes / cotton composite flexible electrodes prepared by Liu Caihong et al. 2 Left and right, Wei Chen et al loaded carbon nanotubes on the sponge and got about 0.24mg / cm 2 The loading of carbon nanotubes, the graphene loading of the polyaniline / graphene / polyester composite flexible electrode prepared by Fushao et al. is about 2.1%

Method used

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  • Preparation method for carbon nanotube-based conductive cotton fabric
  • Preparation method for carbon nanotube-based conductive cotton fabric
  • Preparation method for carbon nanotube-based conductive cotton fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) Preparation of carbon nanotube solution:

[0021] Carboxylated carbon nanotubes and aminated carbon nanotubes were mixed, added to 35ml deionized water, then sodium dodecylbenzenesulfonate was added (the total mass ratio of carbon nanotubes was 1:1), stirred, and then used A homogenizer is used to disperse to obtain a carbon nanotube dispersion.

[0022] (2) Preparation of conductive cotton fabric:

[0023] Put the cotton fabric and the above-mentioned carbon nanotube dispersion in an infrared proofer for treatment. The treatment condition is to raise the temperature from 5°C / min to 135°C for 70 minutes; then take it out and dry it in an oven at 100°C; finally wash it with water and dry it at room temperature Dry; wherein, the mass ratio of cotton fabric, carboxylated carbon nanotubes and aminated carbon nanotubes is 1:0.3:0.03.

Embodiment 2

[0025] (1) Preparation of carbon nanotube solution:

[0026] Carboxylated carbon nanotubes and aminated carbon nanotubes were mixed, added to 35ml deionized water, then sodium dodecylbenzenesulfonate was added (the total mass ratio of carbon nanotubes was 1:1), stirred, and then used A homogenizer is used to disperse to obtain a carbon nanotube dispersion.

[0027] (2) Preparation of conductive cotton fabric:

[0028] Put the cotton fabric and the above-mentioned carbon nanotube dispersion in an infrared proofer for treatment. The treatment condition is to raise the temperature from 5°C / min to 135°C for 70 minutes; then take it out and dry it in an oven at 100°C; finally wash it with water and dry it at room temperature Dry; wherein, the mass ratio of cotton fabric, carboxylated carbon nanotubes and aminated carbon nanotubes is 1:0.3:0.06.

Embodiment 3

[0030] (1) Preparation of carbon nanotube solution:

[0031] Carboxylated carbon nanotubes and aminated carbon nanotubes were mixed, added to 35ml deionized water, then sodium dodecylbenzenesulfonate was added (the total mass ratio of carbon nanotubes was 1:1), stirred, and then used A homogenizer is used to disperse to obtain a carbon nanotube dispersion.

[0032] (2) Preparation of conductive cotton fabric:

[0033] Put the cotton fabric and the above-mentioned carbon nanotube dispersion in an infrared proofer for treatment. The treatment condition is to raise the temperature from 5°C / min to 135°C for 70 minutes; then take it out and dry it in an oven at 100°C; finally wash it with water and dry it at room temperature Dry; wherein, the mass ratio of cotton fabric, carboxylated carbon nanotubes and aminated carbon nanotubes is 1:0.3:0.09.

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Abstract

The present invention relates to a preparation method of conductive cotton fabric based on carbon nanotubes, comprising: (1) mixing carboxylated carbon nanotubes and aminated carbon nanotubes and adding them to deionized water, then adding a surfactant, stirring, disperse to obtain a carbon nanotube dispersion; (2) immerse the cotton fabric in the carbon nanotube dispersion for heat treatment, then take it out and dry it, wash it with water, and dry it at room temperature to obtain the product. The invention can not only increase the load capacity of carbon nanotubes, but also improve the conductivity and specific capacitance of the conductive cotton fabric; the prepared conductive cotton fabric has the advantages of high carbon nanotube load capacity and good conductivity, and also has the advantages of light and soft quality. characteristics, suitable for the preparation of flexible supercapacitors.

Description

technical field [0001] The invention belongs to the field of flexible conductive materials, in particular to a method for preparing conductive cotton fabric based on carbon nanotubes. Background technique [0002] In recent years, with the continuous development of energy storage materials, flexible supercapacitors have increasingly become a research hotspot. It not only has good energy storage performance, but also has excellent bending performance, which can be adapted to the fields of flexible electronic devices and wearable electronic devices. The materials used for the preparation of flexible supercapacitors mainly include carbon materials, conductive polymers and metal oxides. Among them, carbon materials have chemical stability unmatched by the other two materials and are widely used in the preparation of supercapacitors. In addition, carbon nanotubes have a large specific surface area, which can store a large amount of charge; low density, which is conducive to the p...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): H01G11/30H01G11/36H01G11/48
CPCY02E60/13H01G11/30H01G11/36H01G11/48
Inventor 郝天琪俞丹王炜
Owner DONGHUA UNIV
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