Ismanto, Adrian Evan, Wang, Steven, Soetaredjo, Felycia Edi and Ismadji, Suryadi (2010) Preparation of capacitor’s electrode from cassava peel waste. Bioresource Technology, 101 (10). 3534 -3540. ISSN 0960-8524
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Abstract
Cassava peel was used as the precursor for activated carbon-based electrodes which were then prepared by a combination of chemical and physical activation. The surface of the activated carbon was treated with the oxidative chemical agents, 98 wt.% H2 SO4 , 65 wt.% HNO3, and 30 wt.% H2 O2 solutions. The surface modification had no significant effect on the specific surface area, but greatly influenced the surface chemistry of the carbons. The presence of oxygen-containing groups increased the polarity and hydrophi-licity of activated carbon, and thus improved the performance of the activated carbon-based electrode. As a result, the specific capacitance of the HNO3 modified AC-electrode reached 264.08 F/g, an increase of 72.6% compared to the original one. The results indicate that cassava peel waste can potentially be applied as a raw material for the production of low cost-high performance activated carbon electrode materials for Electric Double Layer Capacitors (EDLCs).
Item Type: | Article |
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Uncontrolled Keywords: | Activated carbon Electric Double Layer Capacitor Cassava peel Surface modification Electrode material |
Subjects: | Engineering > Chemical Engineering |
Divisions: | Faculty of Engineering > Chemical Engineering Study Program |
Depositing User: | Felycia Edi Soetaredjo |
Date Deposited: | 17 Jul 2017 06:46 |
Last Modified: | 22 May 2018 07:40 |
URI: | http://repository.ukwms.ac.id/id/eprint/11158 |
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