Grain and silk forms of MnO2 coating on multi-walled carbon nanotubes were prepared by controlling reaction conditions of KMnO4 and MCNTs/HNO3.

• 3.；在混有多壁碳纳米管的硝酸溶液中分解高锰酸钾；实现了多壁碳纳米管的二氧化锰包覆；讨论了反应条件对二氧化锰形貌的影响。