Journal
ELECTROCHEMICAL AND SOLID STATE LETTERS
Volume 8, Issue 7, Pages A369-A372Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.1925067
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Ruthenium oxide was electrochemically prepared onto a carbon nanotube (CNT) film substrate with a three-dimensional nanoporous structure in order to improve the specific capacitance and high-rate capability of ruthenium oxide, a promising electroactive material for supercapacitors. A very thin and uniform deposition of ruthenium oxide on the CNT film substrate was obtained by the potential cycling method. Electrochemical properties such as the specific capacitance and high-rate capability were studied by cyclic voltammetry. The electrochemically prepared ruthenium oxide onto the CNT film substrate showed both a very high specific capacitance of 1170 F/g and a high rate capability. (c) 2005 The Electrochemical Society.
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