本文阐述了利用包覆工艺制备铁磁性纳米颗粒/碳纳米管复合物的方法,即两步法制备,第一步为碳纳米管的修饰处理,第二步为铁磁性纳米颗粒的包覆;对国内外典型的制备方法及优缺点进行了研究,对铁磁性纳米颗粒/碳纳米管复合物的研究方向加以探讨。 This article describes the preparation of ferromagnetic nanoparticles / carbon nanotube composite by the coating process, that is, the two-step method, the first step for the modification of carbon nanotubes, the second step for the coating of ferromagnetic nanoparticles; The preparation methods, advantages and disadvantages of typical preparation methods at home and abroad were studied and the research direction of ferromagnetic nanoparticles / CNTs was discussed.