PANi电极在不同电解液中的电化学电容性能研究  

Electrochemical Capacitive Performance of Polyaniline Electrode with Different Electrolytes

作　　者：谭永涛[1] 冉奋[1] 王翎任[1] 刘吉[1] 孔令斌[1] 罗永春[1] 康龙[1] 

机构地区：[1]兰州理工大学甘肃省有色金属新材料重点实验室,甘肃兰州730050

出　　处：《电化学》2011年第1期88-92,共5页Journal of Electrochemistry

基　　金：国家自然科学基金(50602020);973前期研究专项基金(2007CB216408);国家大学生创新性实验计划资助项目(091073110)资助

摘　　要：应用化学氧化聚合法制备了超级电容器用聚苯胺电极材料.FTIR、SEM及电化学电容测试表明:聚苯胺由纳米颗粒堆积而成,颗粒大小50nm左右;在H2SO4、NaNO3或KOH电解液(浓度均为1mol/L)中,5mA/cm2电流密度下,PANi电极比电容分别为404F/g、208F/g和279F/g;如H2SO4浓度升高至2mol/L或6mol/L,比电容明显下降,仅为330F/g或248F/g.The polyaniline（PANi） for supercapacitor was prepared by chemical-oxidative polymerization.The SEM,FTIR data and electrochemical performance showed that,polyaniline nanoparticles were formed which were about 50 nm;the specific capacitances of PANi were 404 F/g,208 F/g and 279 F/g in 1 mol/L H2SO4,NaNO3 and KOH,respectively,when the current density was 5 mA/cm2.The concentrations of H2SO4 increased to 2 mol/L or 6 mol/L,the capacitances decreased to 330 F/g or 248 F/g.

关 键 词：聚苯胺 电解液 超级电容器 

分 类 号：TM53[电气工程—电器]