讨论了多壁碳纳米管的酸处理及碳纳米管复合材料的制备,采用IR、SEM、XRD、TEM、TG技术对开管和填充后的多壁碳纳米管进行分析讨论。XRD、SEM、IR图谱表明开管的碳纳米管杂质完全去除、分散性提高、表面引入了极性基团,TEM表明多数碳纳米管管口已经打开,且其管口及中空部分都填充了不连续金属氧化物颗粒。 The acid treatment of multiwalled carbon nanotubes and the preparation of carbon nanotube composites were discussed. The open tube and filled multiwalled carbon nanotubes were analyzed by IR, SEM, XRD, TEM and TG techniques. The results of XRD, SEM and IR showed that the CNTs were completely removed and the dispersibility was improved. Polar groups were introduced into the CNTs. The TEM showed that most of the nanotubes had been opened and the nozzle and the hollow part were filled Discontinuous metal oxide particles.