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연구기관
나노바이오·에너지소재센터
Journal papers
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SnO2-RuO2 composite films by chemical deposition for supercapacitor application
Title
SnO2-RuO2 composite films by chemical deposition for supercapacitor application
Authors
Pusawale S.N.
;
Deshmukh P.R.
;
Gunjakar J.L.
;
Lokhande C.D.
Ewha Authors
Gunjakar Jayavant Laxman
SCOPUS Author ID
Gunjakar Jayavant Laxman
Issue Date
2013
Journal Title
Materials Chemistry and Physics
ISSN
0254-0584
Citation
Materials Chemistry and Physics vol. 139, no. 41308, pp. 416 - 422
Indexed
SCI; SCIE; SCOPUS
Document Type
Article
Abstract
A chemical bath deposition method is used for preparing SnO 2-RuO2 composite films. The films with varying RuO 2 composition are prepared by varying the vol% of RuCl3 in the bath and their structural, morphological and supercapacitive properties are studied. The structural study revealed that the composite films are amorphous. FT-Raman spectrum showed the fundamental vibrations of SnO2 and RuO2, confirming the formation of SnO2-RuO2 composite. The elongated particle structures are observed from morphological studies. The supercapacitive studies showed highest specific capacitance of 150 F g-1 for SnO2-RuO2 composite containing 15 vol% of RuCl3 in the deposition bath. The charge-discharge curves showed the pseudocapacitive performance with maximum energy density of 4.9 Wh kg-1 at a power density of 0.42 kW kg-1 for optimized SnO2-RuO2 composite. An equivalent series resistance (ESR) of 12 Ω is observed from the electrochemical impedance studies. © 2013 Elsevier B.V. All rights reserved.
DOI
10.1016/j.matchemphys.2012.12.059
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