Citation: Jian Jun Cai, Ling Bin Kong, Jing Zhang, Yong Chun Luo, Long Kang. A novel polyaniline/mesoporous carbon nano-composite electrode for asymmetric supercapacitor[J]. Chinese Chemical Letters, ;2010, 21(12): 1509-1512. doi: 10.1016/j.cclet.2010.07.003 shu

A novel polyaniline/mesoporous carbon nano-composite electrode for asymmetric supercapacitor

a State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials, Lanzhou University of Technology, Lanzhou 730050, China;
b School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China

Received Date: 2 March 2010

Fund Project: This work was supported by the National Natural Science Foundation of China (No.50602020) and the National Basic Research Program of China (No.2007CB216408).

A novel nano-composite of polyaniline/mesoporous carbon (PANI/CMK-3) was prepared with mesoporous carbon (CMK-3) serving as the support. Electrochemical asymmetric capacitors have been successfully designed by using PANI/CMK-3 composite and CMK-3 as positive and negative electrode, respectively. The results showed that the discharge capacity of the asymmetric capacitor could reach 87.4 Fig under the current density of 5 mA/cm² and cell voltage of 1.4 V. The energy density of the asymmetric capacitor was up to 23.8 Wh/kg with a power density of 206 W/kg. Furthermore, PANI/CMK-3-CMK-3 asymmetric capacitor using this PANI/CMK-3 nano-composite could be activated quickly and possess high charge-discharge efficiency.
- Mesoporous carbon,
- Polyartiline,
- Asymmetric supercapacitor,
- Energy density
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