Carbon nano tube composite structure

Abstract

The invention relates to a carbon nano tube composite structure which comprises a carbon nano tube structure and a reinforcement, wherein the carbon nano tube structure is a self-supporting structure consisting of a plurality of carbon nano tubes; and the reinforcement is arranged on the surface of the carbon nano tubes, and the adjacent carbon nano tubes are closely combined through the reinforcement. The carbon nano tube composite structure has better tensile strength and Young modulus.

Description

Technical field [0001] The invention relates to a composite structure, in particular to a carbon nanotube composite structure. Background technique [0002] Since the early 1990s, nanomaterials represented by carbon nanotubes have attracted great attention due to their unique structures and properties. In recent years, with the continuous deepening of research on carbon nanotubes and nanomaterials, their broad application prospects have continuously emerged. For example, due to the unique electromagnetic, optical, mechanical, chemical and other properties of carbon nanotubes, a large number of application researches on field emission electron sources, sensors, new optical materials, and soft ferromagnetic materials have been continuously reported. [0003] Since a single carbon nanotube has a hollow structure and a large aspect ratio, it has many excellent characteristics. However, the existing carbon nanotubes are usually in powder form, which is not conducive to the wide applica...

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Problems solved by technology

However, the mechanical strength and toughness of the carbon nanotube structure are relatively poor. For example, pulling out a carbon nanotube structure with a width of 200 microns only requires a force of 0.1 millinewtons, and a force of 0.5 millinewtons can pull out a carbon nanotube structure of 200 microns. Wide carbon nanotube structures pulled off

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