Hydrous manganese oxide/carbon nanotube composite electrodes for electrochemical capacitors
Hydrous manganese oxide/carbon nanotube composite electrodes for electrochemical capacitors
复制标题
DOI：
10.1007/s10008-003-0468-7
复制
发表时间：
2004-01
影响因子：
2.5
通讯作者：
Yingke Zhou;Benlin He;Fei-Bao Zhang;H. Li
中科院分区：
文献类型：
--
作者：
Yingke Zhou;Benlin He;Fei-Bao Zhang;H. Li
制备了一种新型的基于水合氧化锰和单壁碳纳米管的复合电极，并将其应用于电化学电容器。采用循环伏安法、恒流充放电法和电化学阻抗法研究了不同比例的水合氧化锰与单壁碳纳米管复合电极的性能。为了比较，还研究了纯含水氧化锰和纯碳纳米管的性能。由此可见，含水氧化锰与碳纳米管比例为6:4的复合电极是最有前途的电化学电容器活性材料，具有良好的电容和功率特性。
A novel type of composite electrode based on hydrous manganese oxide and a single-walled carbon nanotube has been prepared and used in electrochemical capacitors. Cyclic voltammetry, galvanostatic charging/discharging tests and electrochemical impedance measurements were applied to investigate the performance of the composite electrodes with different ratios of hydrous manganese oxide and single-walled carbon nanotube. For comparison, the performance of pure hydrous manganese oxide and pure carbon nanotubes was also studied. In this way, the composite electrode with a 6:4 ratio of hydrous manganese oxide to carbon nanotube was found to be the most promising active material for an electrochemical capacitor, which shows both good capacitance and power characteristics.