Abstract
Nanoporous carbons obtained by selective leaching of Ti and Al from Ti 2AlC, as well as B from B4C, were investigated as electrode materials in electric double-layer capacitors. Cyclic voltammetry tests were conducted in 1 M H2SO4 from 0-250 mV on carbons synthesized at 600, 800, 1000, and 1200°C. Results show that the structure and pore sizes can be tailored and that the optimal synthesis temperature is 1000°C. Specific capacitances for Ti2AlC CDCs and B4C CDCs were 175 and 147 F/g, respectively, compared to multiwall carbon nanotubes and two types of activated carbon, measured herein to be 15, 52, and 125 F/g, respectively. © 2005 The Electrochemical Society. All rights reserved.
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CITATION STYLE
Chmiola, J., Yushin, G., Dash, R. K., Hoffman, E. N., Fischer, J. E., Barsoum, M. W., & Gogotsi, Y. (2005). Double-layer capacitance of carbide derived carbons in sulfuric acid. Electrochemical and Solid-State Letters, 8(7). https://doi.org/10.1149/1.1921134
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