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Nitrogen-doped bi-modal porous carbon nanostructure derived from glycine for supercapacitors
- Authors
- Choi, In-Ae; Kwak, Da-Hee; Han, Sang-Beom; Park, Kyung-Won
- Issue Date
- Jul-2018
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Supercapacitor; Nitrogen doping; Bi-modal pore; Glycine; Rate performance
- Citation
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.63, pp.112 - 116
- Journal Title
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
- Volume
- 63
- Start Page
- 112
- End Page
- 116
- ISSN
- 1226-086X
- Abstract
- We prepared a nitrogen-doped bi-modal porous carbon nanostructure (G-500/20) using a template method with 500 and 20 nm SiO2 beads and glycine. The G500/20 has a surface area of 403 m(2) g(-1) with meso/macroporous structure and N-doping content of 5.9 at%. In the supercapacitor performance, G-500/20 exhibits superior specific capacitances of 19.5 and 5.3 Fg(-1) at 200 mV s(-1) and 20 A g(-1) in 6 M NaOH, compared to a commercial activated carbon. In particular, the superior capacitances of G500/20 at high scan rates and current densities were achieved due to the bi-modal porous structure and nitrogen doping effect. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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Related Researcher
- PARK, KYUNG WON
- College of Engineering (Department of Chemical)