文献类型：期刊文献

英文题名：Preparation and electrochemical capacitance performances of super-hydrophilic conducting polyaniline

作者：Li, Xingwei[1];Li, Xiaohan[1];Dai, Na[1];Wang, Gengchao[1];Wang, Zhun[1]

机构：[1]E China Univ Sci & Technol, Shanghai Key Lab Adv Polymer Mat, Key Lab Ultrafine Mat, Minist Educ,Sch Mat Sci & Engn, Shanghai 200237, Peoples R China

年份：2010

卷号：195

期号：16

起止页码：5417

外文期刊名：JOURNAL OF POWER SOURCES

收录：;EI(收录号：20101612862541);WOS:【SCI-EXPANDED(收录号:WOS:000277868600032)】；

基金：We are grateful for the financial support from the Shanghai Municipal Science and Technology Commission (0852nm02000), Shanghai Leading Academic Discipline Project (B502) and Shanghai Key Laboratory Project (08DZ2230500).

语种：英文

外文关键词：Conducting polyaniline; Tetraethyl orthosilicate; Super-hydrophilic; Electrochemical capacitance

摘要：Super-hydrophilic conducting polyaniline was prepared by surface modification of polyaniline using tetraethyl orthosilicate in water/ethanol solution, whereas its conductivity was 4.16 S cm(-1) at 25 degrees C. And its electrochemical capacitance performances as an electrode material were evaluated by the cyclic voltammetry and galvanostatic charge/discharge test in 0.1 M H(2)SO(4) aqueous solution. Its initial specific capacitance was 500 F g(-1) at a constant current density of 1.5 A g(-1), and the capacitance still reached about 400 F g(-1) after 5000 consecutive cycles. Moreover, its capacitance retention ratio was circa 70% with the growth of current densities from 1.5 to 20 A g(-1), indicating excellent rate capability. It would be a promising electrode material for aqueous redox supercapacitors. (C) 2010 Elsevier B.V. All rights reserved.