Preparation and Properties of Manganese Oxide and Polyaniline-Carbon Composite Electrode

Authors

Tian-tian ZHOU, Key Laboratory of Photochemistry Biological Materials and Energy Story Materials, Heilongjiang Province; College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, Heilongjiang, China;
Bing WU, Key Laboratory of Photochemistry Biological Materials and Energy Story Materials, Heilongjiang Province; College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, Heilongjiang, China;
Chao DENG, Department of Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024. China;
Ying GAO, Key Laboratory of Photochemistry Biological Materials and Energy Story Materials, Heilongjiang Province; College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, Heilongjiang, China;Follow

Corresponding Author

Ying GAO(yinggao9999@163.com)

Abstract

The polyaniline-carbon (PAnC) electrode was prepared by the polymerization of aniline monomer and activated carbon in ice water bath, and followed by chemical deposition of manganese dioxide MnO₂-PAnC composite material. The specific capacitance of MnO₂-PAnC reached 459 F•g^-1. The cyclic voltammetric results showed a small deformation in the voltammogram curve obtained with the MnO₂-PAnC electrode at high scan rate, indicating good reversibility and capacitive properties. The AC impedance results revealed that the MnO₂-PAnC electrode displayed the smallest charge transfer resistance and the fastest diffusion
rate of surface ions than other two materials of MnO₂ and MnO₂-C. After 500 cycles of charging and discharging processes, the capacitance retention rate of MnO₂-PAnC was still higher than 60%. The MnO₂-PAnC is promising as a good electrode material for supercapacitors.

Graphical Abstract

Keywords

manganese oxide, polyaniline, active carbon, electrode material, supercapacitor

DOI Link

https://doi.org/10.13208/j.electrochem.170510

Publication Date

2018-04-28

Online Available Date

2017-06-05

Revised Date

2017-05-22

Received Date

2017-05-10

Recommended Citation

Tian-tian ZHOU, Bing WU, Chao DENG, Ying GAO. Preparation and Properties of Manganese Oxide and Polyaniline-Carbon Composite Electrode[J]. Journal of Electrochemistry, 2018 , 24(2): 137-142.
DOI: 10.13208/j.electrochem.170510
Available at: https://jelectrochem.xmu.edu.cn/journal/vol24/iss2/5

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