Method and device for preparing carbon nanotube/conductive polymer composite materials

Abstract

The invention provides a method and device for preparing carbon nanotube / conductive polymer composite materials and relates to the field of a nano material and the preparation technology thereof. Themethod comprises steps that a polymer monomer or a conductive polymer is introduced based on continuously-prepared carbon nanotubes; the continuously-prepared carbon nanotubes are made to continuouslyreact with and further compounded with the polymer monomer or with the conductive polymer; the process that the continuously-prepared carbon nanotubes are made to continuously react with and furthercompounded with the polymer monomer or with the conductive polymer is controlled, and the actual reaction time with the polymer monomer or the composite amount of the conductive polymer is further regulated; continuous collection of products is performed to obtain the continuous carbon nanotube / conductive polymer composite materials. The method is advantaged in that the carbon nanotube / conductive polymer composite materials can be continuously and directly prepared, and properties of flexible property, self supporting, high conductivity and high electrochemical activity are further achieved.

Description

technical field [0001] The invention relates to the technical field of nanometer materials, in particular to a method and device for preparing a carbon nanotube / conductive polymer composite material. Background technique [0002] Supercapacitors, also known as electrochemical capacitors, have the dual advantages of high specific power of capacitors and high specific energy of batteries. At the same time, they also have the characteristics of high charge and discharge efficiency and long working life. They are widely used in hybrid vehicles, radars, and communications. It has important applications in large-scale energy storage systems such as station backup power supplies. Carbon nanotube films have high electronic conductivity and large specific surface area, and can be directly used as electrode materials for supercapacitors. Due to the excellent mechanical properties of the film itself, the conductivity can be kept basically unchanged when subjected to 5% tensile deforma...

AI Technical Summary

Problems solved by technology

Carbon nanotube / polypyrrole composite materials also have certain disadvantages as capacitors. For example, when polypyrrole and carbon nanotubes are combined, it is very easy to fill the original pores of the carbon nanotube network due to the volume effect, resulting in the equivalent internal capacity of the electrode material. high resistance

However, so far, the preparation methods of carbon nanotubes / conducting polymer composites (including composite films and composite fibers) mainly use the means of subsequent processing and compounding of various carbon nanotubes, and the existing technology is difficult to be based on the directly prepared Untreated carbon nanotubes can directly prepare continuous carbon nanotubes / conductive polymer composites. This situation undoubtedly restricts the development and industrialization of this composite material, and hinders the development of carbon nanotubes and this composite material. Practical applications, including electrodes, energy storage devices, new batteries, sensors, molecular electronic devices, optical devices, semiconductor devices, invisible materials, flexible devices, wearable devices, etc.

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