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Received May 11, 2017
Accepted July 24, 2017
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Facile synthesis of iron-ruthenium bimetallic oxide nanoparticles on carbon nanotube composites by liquid phase plasma method for supercapacitor
Department of Environmental Engineering, Sunchon National University, 255 Jungang-ro, Sunchon, Jeonnam 57922, Korea 1R&D Division, Korea Institute of Carbon Convergence Technology, 110-11 Banryong-ro, Jeonju 54853, Korea 2Department of Nano & Advanced Materials Engineering, Jeonju University, 303 Cheonjam-ro, Jeonju 55069, Korea 3School of Environmental Engineering, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul 02504, Korea
jsc@sunchon.ac.kr
Korean Journal of Chemical Engineering, November 2017, 34(11), 2993-2998(6), 10.1007/s11814-017-0205-z
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Abstract
Iron-ruthenium bimetallic oxide nanoparticles were precipitated on carbon nanotubes by liquid-phase plasma method. We also evaluated the physicochemical and electrochemical properties of prepared composite for supercapacitor electrode. Polycrystalline about 10 to 25 nm-sized bimetallic nanoparticles were evenly precipitated on the carbon nanotube (CNT) and consisted of Fe3+ and Ru4+. Bimetallic oxide nanoparticles’ composition depended on the ratio of the metal precursor concentration and standard reduction potential. The C-V area and specific capacitance of iron-ruthenium oxide nanoparticle/carbon nanotube (IRCNT) composite electrodes was higher than that of untreated CNT electrode, and increased with increasing ruthenium content. The cycling stability of IRCNT composite electrode was higher than untreated CNT electrode, especially iron element was more stable.
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Lee H, Kim SJ, An KH, Kim JS, Kim BH, Jung SC, Adv. Mater. Lett., 7, 98 (2016)
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Park KC, Jang IY, Wongwiriyapan W, Morimoto S, Kim YJ, Jung YC, Toya T, Endo M, J. Mater. Chem., 20, 5345 (2010)
Salomonsson A, Petoral RM, Uvdal K, Aulin C, Kall PO, Ojamae L, Strand M, Sanati M, Spetz AL, J. Nanopart. Res., 8, 899 (2006)
