Carbon nanomaterials derived from Malaysia’s highway road asphalt waste as electrode for supercapacitor

Mohd Abid, Mohd Asyadi Azam and Raja Seman, Raja Noor Amalina and Zulkifli, Mohd Fadzil and Mohamed, Mohd Ambri and Ani, Mohd Hanafi (2018) Carbon nanomaterials derived from Malaysia’s highway road asphalt waste as electrode for supercapacitor. Journal of Materials and Environmental Sciences, 9 (7). pp. 2164-2168. ISSN 2028-2508

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Abstract

Developing cost-effective and environmental friendly electrode material for supercapacitor is critical for energy storage technologies. The fabrication of asphalt waste carbon (AWC) combined with multi-walled carbon nanotube (MWCNT) supercapacitor electrode was performed by using conventional slurry technique. The AWC/MWCNT composite electrode was compared to that of non-mixed AWC electrode. For non-mixed AWC electrode, the specific gravimetric capacitance (Csp) was 1.93 F g-1 at 1 mV s-1 scan rate and the Csp obtained for AWC/MWCNT electrode was 62.94 F g-1. From charge-discharge analysis, the AWC/MWCNT electrode showed nearly symmetrical triangular shapes at different current densities (0.5 to 15 A g-1). It was also clear that the Csp remains about 80% of the initial capacitance after 800 cycles at 15 A g-1 current density, indicating that AWC/MWCNT electrode possessed good ion accessibility and cycling stability.

Item Type:	Article (Journal)
Additional Information:	4583/71180
Uncontrolled Keywords:	asphalt waste carbon, multi-walled carbon nanotube, supercapacitor
Subjects:	T Technology > T Technology (General) T Technology > TE Highway engineering. Roads and pavements > TE175 Highway design. Interchanges and intersections
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User:	Dr Mohd Hanafi Ani
Date Deposited:	22 Mar 2019 09:20
Last Modified:	12 Jul 2019 12:19
URI:	http://irep.iium.edu.my/id/eprint/71180

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