Carbon-supported hydrous ruthenium oxide composite as electrochemical supercapacitors
Kompozitni materijal hidratisani rutenijum oksid / ugljenik kao elektrohemijski superkondenzator 3. Kapacitivna svojstva kompozita
Article (Published version)
MetadataShow full item record
Preparation of hydrous ruthenium oxide/carbon black nanocomposite material was performed by the impregnation method starting from hydrous RuO2 sol as a precursor. Black Pearls 2000 (R) (BP) and Vulcan (R) XC-72 R (XC) was used as supporting materials. Capacitive properties of BP/RuO2 and XC/RuO2 composites were investigated by cyclic voltammetry and electrochemical impedance spectroscopy in H2SO4 solution. Overall capacitance and capacitance profile throughout composite porous layer depend on carbon black real surface area and the concentration of oxide phase in the impregnating medium, as well as on ageing time of oxide sol.
Keywords:carbon black / electrochemical supercapacitors / RuO2/C composite / capacitance properties / CV / EIS
Source:Hemijska industrija, 2007, 61, 5A, 295-306
- Association of Chemical Engineers of Serbia