Vertically aligned carbon nanotube

Carbon nanotubes can be described as nano-scale graphene cylinders (formed by curling up a graphite sheet with a thickness of one atom), whose ends are closed by half a fullerene molecule. As a member of the carbon material family, carbon nanotubes have high tensile strength, low density, good chemical stability...

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Carbon nanotubes can be described as nano-scale graphene cylinders (formed by curling up a graphite sheet with a thickness of one atom), whose ends are closed by half a fullerene molecule. As a member of the carbon material family, carbon nanotubes have high tensile strength, low density, good chemical stability and environmental stability, and high thermal and electrical conductivity. These good properties make them suitable for conductive, electromagnetic, microwave absorption, high-strength composite materials, battery electronic additives, supercapacitors or battery electrodes, fuel cell catalysts, transparent conductive films, field emission displays and other fields. Assembling them into macroscopic materials, such as fibers and films, is conducive to developing macroscopic performance while maintaining their excellent microscopic performance, which greatly promotes the large-scale application of carbon nanotubes in sensors, aerospace and other fields.

Carbon nanotube fibers (CNT fiber) and films (CNT film) assembled from a large number of carbon nanotubes can better reflect the excellent performance of carbon nanotubes on a macroscopic scale, and are structural and functional materials with great application potential in the future. In recent years, a large number of new materials with carbon nanotube fibers or films as the main components have been continuously developed. They have been widely used in sensors, supercapacitors, batteries, flexible displays, biomedicine and other fields and have very high commercial value.

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