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A new route of magnetic biochar based polyaniline composites for supercapacitor electrode materials

Thines, K. R. and Abdullah, E. C. and Ruthiraan, M. and Mubarak, N. M. and Tripathi, M. (2016) A new route of magnetic biochar based polyaniline composites for supercapacitor electrode materials. Journal of Analytical and Applied Pyrolysis, 121 . pp. 240-257. ISSN 0165-2370

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Abstract

In this paper, abundantly available durian's rind was opted as raw material to synthesize magnetic biochar in the presence of three different metallic salts by employing a novel vacuum condition in an electrical muffle furnace. Magnetic biochar was successfully produced with a maximum BET surface area value of 835 m2/g at the pyrolysis temperature and time of 800 °C and 25 min. This magnetic biochar was successfully employed to support and disperse polyaniline (PANI) particles for the application as supercapacitor electrode materials. The produced magnetic biochar - PANI composite exhibited an enhanced specific capacitance compared to the pure PANI and magnetic biochar. The highest specific capacitance of 615 F/g at 10 mV/s and energy density of 76.88 Wh/kg were demonstrated by the MBCA composite, which is considered favorably high compared to the existing PANI coated carbon composites. This magnetic biochar - PANI composites exhibits a good potential for future supercapacitor applications.

Item Type:Article
Uncontrolled Keywords:Polyaniline, Specific capacitance, Vacuum pyrolysis
Subjects:T Technology > T Technology (General)
Divisions:Malaysia-Japan International Institute of Technology
ID Code:72170
Deposited By: Fazli Masari
Deposited On:16 Nov 2017 08:22
Last Modified:16 Nov 2017 08:22

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