碳纳米管/聚酰亚胺复合材料的制备及其电化学性能研究  

Preparation and electrochemical properties of CNTs/polyimide composites

作　　者：饶臻然 李宝铭[1] 彭恩凯 叶蕾蕾[1] 

机构地区：[1]福州大学材料科学与工程学院,福州350108

出　　处：《功能材料》2015年第22期22095-22097,22102,共4页Journal of Functional Materials

基　　金：国家自然科学基金资助项目(61205182)

摘　　要：采用原位聚合法,以2,4-二氨基-6-氯嘧啶(DCP)、3,3’,4,4’-二苯甲酮四羧酸二酐(BTDA)和碳纳米管(CNTs)为原料,制备碳纳米管/聚酰亚胺(CNTs/PI)复合材料,并且对它们的分子结构、结晶性、微观形貌和电化学性能进行研究。结果表明,CNTs/PI复合材料属于半晶型材料,PI均匀地包覆在CNTs的表面。CNTs/PI复合材料具有较好的电化学氧化还原行为,随着CNTs含量的增加,复合材料的氧化电位逐渐向高电位移动,还原电位逐渐向低电位移动,这主要是由于CNTs的加入导致复合材料失电子能力减弱,得电子能力增强的结果。The CNTs/PI composites were prepared by in-situ polymerization from DCP,BTDA and CNTs as raw materials and their molecular structures,crystallinity,microstructure and electrochemical properties were studied.The results showed that CNTs/PI composites were partially crystalline materials,and CNTs were coated by PI uniformly.CNTs/PI composites had better electrochemical redox behaviors and the oxidation potentials of composites gradually moved to high potential and the reduction potential gradually moved to low potential with the increasing content of CNTs,which was ascribed to the fact that the ability to obtain the electrons of composites decreased and the ability to loss the electrons enhanced after adding CNTs.

关 键 词：聚酰亚胺 碳纳米管 复合材料 电化学性能 

分 类 号：TQ323.7[化学工程—合成树脂塑料工业]