Materials Sciences and Applications

Volume 2, Issue 9 (September 2011)

ISSN Print: 2153-117X   ISSN Online: 2153-1188

Google-based Impact Factor: 0.97  Citations  

Synthesis and Characterization of (Ru-Sn)O2 Nanoparticles for Supercapacitors

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DOI: 10.4236/msa.2011.29158    6,991 Downloads   13,351 Views  Citations

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ABSTRACT

The electrode materials SnO2, RuO2 and (Sn-Ru)O2 were synthesized through precipitation method from SnCl2·2H2O and RuCl2·2H2O solutions. The obtained nano-sized pristine products were characterized using X-ray diffractometry, Scanning Electron Microscopy (SEM), differential scanning calorimetry (DSC)-thermogravimetric analysis (TGA) and cyclic voltammetry (CV). The Debye–Scherrer formula was used to estimate the average size of the nanoparticles SnO2 (36 nm), RuO2(24 nm), and (Sn-Ru)O2 (19 nm). Electrochemical studies were carried out to examine the capacitance of SnO2, RuO2, (Sn-Ru)O2 electrodes in 0.5 M H2SO4 at various scan rates. The estimated electrode capacitance was de-termined to decrease with an increase of scan rate.

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V. Channu, R. Holze, S. Sr., E. Jr., Q. Williams and R. Kalluru, "Synthesis and Characterization of (Ru-Sn)O2 Nanoparticles for Supercapacitors," Materials Sciences and Applications, Vol. 2 No. 9, 2011, pp. 1175-1179. doi: 10.4236/msa.2011.29158.

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