In-Situ Formation of Sandwiched Structures of Nanotube/CuxOy/Cu Composites for Lithium Battery Applications
- 28 July 2009
- journal article
- research article
- Published by American Chemical Society (ACS) in ACS Nano
- Vol. 3 (8) , 2177-2184
- https://doi.org/10.1021/nn900432u
Abstract
Development of materials and structures leading to lithium ion batteries with high energy and power density is a major requirement for catering to the power needs of present day electronic industry. Here, we report an in situ formation of a sandwiched structure involving single-walled carbon nanotube film, copper oxide, and copper during the direct synthesis of nanotube macrofilms over copper foils and their electrochemical performance in lithium ion batteries. The sandwiched structure showed a remarkably high reversible capacity of 220 mAh/g at a high cycling current of 18.6 A/g (50 C), leading to a significantly improved electrochemical performance which is extremely high compared to pure carbon nanotube and any other carbon based materials.Keywords
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