Nano CeO2/activated carbon based composite electrodes for high performance supercapacitor

被引：80
|
作者：
Aravinda, L. S. [1 ]
Bhat, K. Udaya [2 ]
Bhat, Badekai Ramachandra [1 ]
机构：
[1] Natl Inst Technol Karnataka, Catalysis & Mat Lab, Dept Chem, Dk 575025, Karnataka, India
[2] Natl Inst Technol Karnataka, Dept Mat & Met Engn, Dk 575025, Karnataka, India
来源：
MATERIALS LETTERS | 2013年 / 112卷
关键词：
Nanocomposite; Energy storage and conversion; Carbon materials; BEHAVIOR;
D O I：
10.1016/j.matlet.2013.09.009
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cerium oxide (CeO2)/Activated carbon (AC) based composite were prepared by simple mechanical mixing method with high degree of scalability. The samples were characterized using X-ray diffraction (XRD), Field emission scanning electron microscope (FESEM) and Transmission electron microscope (TEM). The composite mixture with 10 wt% (weight %) CeO2 exhibits a specific capacitance of 162 F g(-1) in two electrode configuration. The test cell retains 86% specific capacitance even at high current density with excellent cycle stability. The composite electrode exhibits a power density of 3500 W kg(-1) at a high current density, suggesting a good electrode material for supercapacitor. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：158 / 161
页数：4
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