Electrochemically synthesized nanocrystalline spinel thin film for high performance supercapacitor

被引:87
作者
Gupta, Vinay [1 ,2 ,3 ]
Gupta, Shubhra [2 ]
Miura, Norio [2 ]
机构
[1] Natl Phys Lab, Engn Mat Div, Carbon Technol Unit, New Delhi 110012, India
[2] Kyushu Univ, Art Sci & Technol Ctr Cooperat Res, Kasuga, Fukuoka 8168580, Japan
[3] Japan Sci & Technol Agcy, Kawaguchi, Saitama 3320012, Japan
关键词
Spinel; Nanocrystalline; Thin film; Specific capacitance; Supercapacitor; COMPOSITE ELECTRODE; MANGANESE OXIDE; CAPACITOR; CARBON; RUTHENIUM; DEPOSITION; SURFACE; FIBER;
D O I
10.1016/j.jpowsour.2009.12.059
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Spinels are not known for their supercapacitive nature. Here, we have explored electrochemically synthesized namostructured NiCo(2)O(4) spinel thin-film electrode for electrochemical supercapacitors. The nanostructured NiCo(2)O(4) spinel thin film exhibited a high specific capacitance value of 580 F g(-1) and an energy density of 32 Wh kg(-1) at the power density of 4 kW kg(-1), accompanying with good cyclic stability. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:3757 / 3760
页数:4
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