e-journal
RuO2/carbon nanotubes composites synthesized by microwave-assisted method for electrochemical supercapacitor
a b s t r a c t
A simple and efficient way has been developed to decorate multiwalled carbon nanotubes (MWCNTs)
withRuO2 nanoparticles for use of electrochemical supercapacitor. In thismethod,RuO2 nanoparticleswas
directly synthesizedand attachedontoMWCNTs in the mixture withRuCl3 solution by microwave-assisted
irradiation. Energy dispersive X-rays analysis (EDXA) elucidated the presence of ruthenium oxide in the
as-preparedcomposites. Transmission electron microscopy (TEM) results showed that RuO2 nanoparticles
had the narrowsize distribution andwere attached onMWCNTs. Cyclic voltammetry results demonstrated
that RuO2/MWCNTs had significantly greater specific capacitance than that of the pristineMWCNTs in the
same medium.
Keywords: Supercapacitor, Ruthenium oxide, Carbon nanotubes
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