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Title: Iron supported C@Fe3O4 nanotube array : a new type of 3D anode with low-cost for high performance lithium-ion batteries
Authors: Xie, K
Lu, Z
Huang, H 
Lu, W
Lai, Y
Li, J
Zhou, L 
Liu, Y
Issue Date: 2012
Publisher: Royal Society of Chemistry
Source: Journal of materials chemistry, 2012, v. 22, no. 12, p. 5560-5567 How to cite?
Journal: Journal of materials chemistry 
Abstract: Rational design and engineering of materials and/or structures for novel electrodes leading to next-generation lithium-ion batteries with high energy and power densities is a major challenge to the ever-growing needs of the electronic and automobile industries. To tackle this issue, we have designed a new type of 3D anode by anodization of iron foil to form a highly ordered Fe3O4 nanotube array directly on a low-cost current collector (Fe foil) followed by carbonization of pre-adsorbed glucose on the nanotube array at 500 degrees C. In such an electrode, each part plays its desired role, with the Fe foil being a low cost and stable current collector, Fe3O4 working as a high-capacity active material, and the carbon coating forming an electron conducting network and stable solid electrolyte interface. High capacity (1020 mu A h cm(-2) at 20 mu A cm(-2)) and high rate capability (176 mu A h cm(-2) at 1000 mu A cm(-2)) were achieved in this newly designed electrode. Overall, the results described in this work provide a promising route to facile and large-scale production of a low-cost 3D composite electrode with enhanced electrochemical performance.
ISSN: 0959-9428
EISSN: 1364-5501
DOI: 10.1039/c2jm15955d
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