Title

Charge storage in carbon nanotube-TiO2 hybrid nanoparticles

RIS ID

59130

Publication Details

Kim, BC, Kim, SJ, Chung, J, Chen, J, Park, SY & Wallace, GG (2012), Charge storage in carbon nanotube-TiO2 hybrid nanoparticles, Synthetic Metals, 162(7/8), pp. 650-654.

Abstract

Multi-walled carbon nanotubes (MWNTs) were directly deposited onto Ni modified TiO2 particles using chemical vapour deposition (CVD). These novel hybrid nanostrucured MWNT/TiO2 composites were characterised by scanning electron microscopy (SEM), revealing a novel hybrid structure wherein the CNT growth sprouted from the TiO2 particles and thermogravimetric analysis (TGA) that revealed a carbon content of 8%. Electrochemical methods were used to determine capacitance values as high as 146 Fg-1 using acetonitrile containing 0.1 M tetrabutylammonium perchlorate as electrolyte. An energy density and power density of 21 Wh kg-1 and 10 kW kg-1 respectively were obtained.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.synthmet.2012.01.007