Journal
MATERIALS LETTERS
Volume 207, Issue -, Pages 129-132Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2017.07.055
Keywords
Aqueous electrolyte; Electrical double-layer supercapacitor; Zeolitic imidazolate framework
Funding
- Energy Efficiency and Resources Core Technology Program through the Korea Institute of Energy Technology Evaluation and Planning within the Ministry of Trade, Industry and Energy, Korea [20142020103790]
- Kangwon National University
- Korea Evaluation Institute of Industrial Technology (KEIT) [20142020103790] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We have investigated a facile synthesis of nanoporous carbon using a bimetallic (Co2+ and Zn2+) zeolitic imidazolate framework (ZIF) as a precursor. The properties of the as-prepared bimetallic ZIF-derived carbon, including the specific surface area, porosity, and degree of graphitization, are precisely controlled. This material has been directly applied in a symmetric electrical double-layer supercapacitor (EDLC). The specific capacitance of the symmetric EDLC is estimated to be 10.5 F.g(-1) at a high current density of 10 A.g(-1) in 0.5 M sulfuric acid. (C) 2017 Elsevier B.V. All rights reserved.
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