中文摘要：

碳纳米管是迄今为止力学性能最高的轻质材料之一,同时具备优异的导电性和导热性,良好的热稳定性和化学稳定性、高的比表面积和低密度。主要概述了碳纳米管纤维的主要制备方法及其制备的纤维所存在的问题,重点阐述了碳纳米管纤维在导电材料、超级电容器方面的应用,并分析和展望了碳纳米管纤维的发展方向和应用前景。

英文摘要：

Carbon nanotubes（CNTs）is one of the lightweight materials with the highest mechanical properties by far,at the same time it has excellent electrical conductivity and thermal conductivity,good thermal stability and chemical stability,high specific surface area and low density.The main preparation methods of carbon nanotube fibers and existing problems in the preparation of the fiber are summarized,the carbon nanotube fibers in conductive materials,super capacitor applications are expounded,and the development direction and application prospect of carbon nanotube fibers are analyzed.