Journal
NANOSCALE ADVANCES
Volume 2, Issue 6, Pages 2376-2386Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0na00014k
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- IIT Bombay
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Supercapacitors have attracted significant attention in the last few years as they have the capability to fulfill the demand for both power and energy density in many energy storage applications. In this study, anin situcarbon-supported titanium oxide (ICS-TiO2) electrode has been prepared using sucrose and TiO(2)powder. The ICS-TiO(2)powder was prepared by slipcasting, followed by the annealing of the TiO(2)slurry. Sucrose was added to the TiO(2)slurry as a soluble carbon source, and was converted into carbon at 600 degrees C then coated on the TiO(2)particles. The morphological and structural evolution of the electrode was investigated by FEG-SEM, FEG-TEM, XRD, BET, FTIR, XPS and Raman spectroscopy. The electrochemical characterization of ICS-TiO(2)demonstrated that this material exhibits an efficient value of specific capacitance (277.72 F g(-1)at 25 mV s(-1)) for charge storage. ISC-TiO(2)also exhibits a specific capacitance of 180 F g(-1)at 2 A g(-1)in a 1 M Na(2)SO(4)aqueous electrolyte. The results suggest that ICS-TiO(2)can be utilized as a high-performance electrode material for supercapacitors with desirable electrochemical properties.
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