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Vol. 27 No. 3 (2015): Vol 27 Issue 3

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Carbonaceous Materials-Based Electric Double Layer Capacitors with Improved Electrochemical Performance

https://doi.org/10.14233/ajchem.2015.18225
Lei Zhu
Department of Advanced Materials Science & Engineering, Hanseo University, Seosan-si, Chungnam 356-706, Republic of Korea
Asghar Ali
Department of Advanced Materials Science & Engineering, Hanseo University, Seosan-si, Chungnam 356-706, Republic of Korea
Shu Ye
Department of Advanced Materials Science & Engineering, Hanseo University, Seosan-si, Chungnam 356-706, Republic of Korea
Kefayat Ulla
Department of Advanced Materials Science & Engineering, Hanseo University, Seosan-si, Chungnam 356-706, Republic of Korea
Chang-Zhou Yuan
Institute of Energy Storage Materials and Devices, Department of Science and Engineering, Anhui University of Technology, Maanshan 243002, P.R. China
Ick-Jun Kim
Korea Electrotechnology Research Institute, Changwon-si, Kyungnam 641-120, Republic of Korea
Sun-Hye Yang
Korea Electrotechnology Research Institute, Changwon-si, Kyungnam 641-120, Republic of Korea
Won-Chun Oh
Department of Advanced Materials Science & Engineering, Hanseo University, Seosan-si, Chungnam 356-706, Republic of Korea

Corresponding Author(s) : Won-Chun Oh

wc_oh@hanseo.ac.kr

Asian Journal of Chemistry, Vol. 27 No. 3 (2015): Vol 27 Issue 3

Abstract

In this study, the fabrication of working electrodes was carried out as follows. Briefly, the electrodes were composed of graphene as an active material, Ketjen black and activated carbon fiber as an electric conductor and polytetrafluoroethylene [(C2F4)n, PTFE] as a binder. The prepared electrodes were characterized by X-ray diffraction and scanning electron microscopy. Finally, the electrochemical performances of carbon materials in the electrolyte solution of tetraethylammonium tetrafluoroborate [(C2H5)4NBF4, TEABF4] in propylene carbonate were examined. The graphene nanosheets electrode in the work exhibited a good rate of capability and reversibility at high scan rates in electrochemical performances.

Keywords

Graphene Kezjen black Electrochemical double-layer X-ray diffraction Electrochemical performance
Zhu, L., Ali, A., Ye, S., Ulla, K., Yuan, C.-Z., Kim, I.-J., … Oh, W.-C. (2015). Carbonaceous Materials-Based Electric Double Layer Capacitors with Improved Electrochemical Performance. Asian Journal of Chemistry, 27(3), 1056–1062. https://doi.org/10.14233/ajchem.2015.18225
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