Carbon nanotube–metal oxide composite electrodes for secondary lithium-based batteries

Preparation and electrochemical evaluation of battery cathodes made from carbon nanotube substrates and lithium trivanadate (LiV3O8) are reported in this study. Our carbon nanotube substrate–LiV3O8 (CNT-SI) cathodes displayed good rate capability (>140 mAh/g on 1C discharge) and improved capacity...

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Veröffentlicht in:	Journal of composite materials 2013-01, Vol.47 (1), p.41-49
Hauptverfasser:	Marschilok, Amy C, Schaffer, Corey P, Takeuchi, Kenneth J, Takeuchi, Esther S
Format:	Artikel
Sprache:	eng
Schlagworte:	Batteries Carbon Carbon nanotubes Cathodes Electric batteries Electrodes Nanocomposites Nanostructure
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container_title	Journal of composite materials
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creator	Marschilok, Amy C Schaffer, Corey P Takeuchi, Kenneth J Takeuchi, Esther S
description	Preparation and electrochemical evaluation of battery cathodes made from carbon nanotube substrates and lithium trivanadate (LiV3O8) are reported in this study. Our carbon nanotube substrate–LiV3O8 (CNT-SI) cathodes displayed good rate capability (>140 mAh/g on 1C discharge) and improved capacity retention (>280 mAh/g after 30 cycles at C/20) when utilized in lithium-based batteries. The use of the CNT-SI composite where the electrodes are comprised of a carbon nanotube substrate and active material with no addition of binder, additional carbon additives, and without a foil backing provides the opportunity for a 25% increase in the percentage of active mass and a 36% reduction in the total electrode mass. These benefits demonstrate that considering electrode configuration as well as active material is a key strategic approach to enhance battery energy density.
doi_str_mv	10.1177/0021998312446827
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subjects	Batteries Carbon Carbon nanotubes Cathodes Electric batteries Electrodes Nanocomposites Nanostructure
title	Carbon nanotube–metal oxide composite electrodes for secondary lithium-based batteries
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