期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 61, 期 -, 页码 124-132出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2017.12.009
关键词
Biomass; Acid washing; Microwave pretreatment; Activated carbon electrode; Supercapacitor
资金
- International Doctoral Research Fellowship Programme of Scientific and Technological Research Council of Turkey (TUBITAK)
- University of Manchester (UK)
Activated carbon (AC) was prepared from waste cumin utilising the chemical activation method. The cumin was separately washed with HCI and HF to remove minerals. The surface areas of AC of the acid washed samples (AC-HCl, AC-HF) were 1468 and 1472 m(2)/g, compared with 1361 m(2)/g for AC obtained directly from the precursor. Washing with the acids improved the supercapacitor performance through a significant decrease in the internal resistance of electrodes. The specific capacitances of electrodes using ACs prepared from acid washed samples (HCl and HF) were 127F/g and 155F/g at current density of 1.5 mA/cm(2), compared with 117 F/g from the unwashed precursor. Crown Copyright (C) 2017 Published by Elsevier B.V. on behalf of The Korean Society of Industrial and Engineering Chemistry. All rights reserved.
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