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https://hdl.handle.net/2440/75369
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Type: | Journal article |
Title: | Preparation of capacitor's electrode from sunflower seed shell |
Author: | Li, X. Xing, W. Zhou, S. Zhou, J. Li, F. Qiao, S. Lu, G. |
Citation: | Bioresource Technology, 2011; 102(2):1118-1123 |
Publisher: | Elsevier Sci Ltd |
Issue Date: | 2011 |
ISSN: | 0960-8524 1873-2976 |
Statement of Responsibility: | Xiao Li, Wei Xing, Shuping Zhuo, Jin Zhou, Feng Li, Shi-Zhang Qiao, Gao-Qing Lu |
Abstract: | Series of nanoporous carbons are prepared from sunflower seed shell (SSS) by two different strategies and used as electrode material for electrochemical double-layer capacitor (EDLC). The surface area and pore-structure of the nanoporous carbons are characterized intensively using N2 adsorption technique. The results show that the pore-structure of the carbons is closely related to activation temperature and dosage of KOH. Electrochemical measurements show that the carbons made by impregnation-activation process have better capacitive behavior and higher capacitance retention ratio at high drain current than the carbons made by carbonization-activation process, which is due to that there are abundant macroscopic pores and less interior micropore surface in the texture of the former. More importantly, the capacitive performances of these carbons are much better than ordered mesoporous carbons and commercial wood-based active carbon, thus highlighting the success of preparing high performance electrode material for EDLC from SSS. |
Keywords: | Electrochemical double-layer capacitor Porous carbon Energy storage Power density |
Rights: | © 2010 Elsevier Ltd. All rights reserved. |
DOI: | 10.1016/j.biortech.2010.08.110 |
Published version: | http://dx.doi.org/10.1016/j.biortech.2010.08.110 |
Appears in Collections: | Aurora harvest 4 Chemical Engineering publications |
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