摘要
以钛板为基底,采用电沉积方法制备了Ti-PbO2电极,与活性炭(AC)组成超级电容器。研究了铅盐种类对电沉积PbO2电极放电性能的影响,发现用Pb(CH3COO)2做溶质的氢氧化钠溶液制备的PbO2电极容量最大。利用不同浓度的氢氧化钠溶液配置饱和醋酸铅电解液,制备PbO2电极进行了放电测试,研究了氢氧化钠浓度对电沉积PbO2放电性能的影响。采用最优电沉积PbO2作正极,活性炭、涂膏铅电极作负极,分别组装成超级电容器和铅酸电池进行大电流充放电,结果表明,超级电容器性能远高于铅酸电池。
Ti/PbO_2 electrode was prepared by means of electrochemical deposition.PbO_2-AC super-capacitor was assembled by PbO_2 and active carbon(AC).Effects of different lead salts on the discharge capacity of electrodeposited PbO_2 electrode were studied.The PbO_2 electrode prepared using sodium hydroxide solution containing Pb(CH_3COO)_2 had the largest capacity.Different samples of PbO_2 electrode were prepared in sodium hydroxide solutions with different concentration containing saturated lead acetate,and then were assembled with AC to conduct discharge test of PbO_2-AC super-capacitor.Two PbO_2 electrodes prepared by the optimized method were employed as anode,while AC and pasted lead electrode were employed as cathode,constructing the PbO_2-AC super-capacitor and lead acid battery respectively.Then,the charge-discharge tests with large current were conducted,and results indicated that the performance of super-capacitor was far above the performance of lead acid battery.
出处
《华东理工大学学报(自然科学版)》
CAS
CSCD
北大核心
2011年第2期193-198,共6页
Journal of East China University of Science and Technology
关键词
电化学电容器
电沉积PbO2
活性炭
充放电性能
electrochemical capacitor
electro-deposited PbO_2
active carbon
charge-discharge performance
作者简介
张波(1983-),男,山东济宁人,硕士,研究方向为钛基PhO2电极、超级电容器。
通讯联系人:钟菊花,E-mail:jhzhong@ecust.edu.cn