Polypyrrole/Titanium Oxide Nanotube Arrays Composites as an Active Material for Supercapacitors
Abstract:The authors present the first reported use of vertically oriented titanium oxide nanotube/polypyrrole (PPy) nanocomposites to increase the specific capacitance of TiO2 based energy storage devices. To increase their electrical storage capacity, titanium oxide nanotubes were coated with PPy and their morphologies were characterized. The incorporation of PPy increased the specific capacitance of the titanium oxide nanotube based supercapacitor system, due to their increased surface area and additional pseudo-capacitance.
Document Type: Research Article
Publication date: May 1, 2011
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