Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 11, Issue 3, Pages 546-549Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2008.12.048
Keywords
Nanocrystal; Core-shell nanostructure; Anode materials; Lithium-ion battery
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Funding
- Australian Research Council (ARC) [DP0772999]
- Australian Research Council [DP0772999] Funding Source: Australian Research Council
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Carbon nanotube/cobalt oxide core-shell one-dimensional nanostructures were prepared via a hydrothermal synthesis method, in which nanosize cobalt oxide crystals were homogeneously coated on the surface of carbon nanotubes. The morphologies and crystal structures of the as-prepared core-shell nano-composites were analysed by X-ray diffraction, field emission gun scanning electron microscopy, and transmission electron microscopy. When applied as anodes in lithium-ion cells, carbon nanotube/cobalt oxide core-shell nanostructures exhibited an initial lithium storage capacity of 1250 mAh/g and a stable capacity of 530 mAh/g over 100 cycles. The good electrochemical performance could be attributed to the nanocrystalline cobalt oxide and the unique core-shell one-dimensional nanostructures. (C) 2008 Elsevier B.V. All rights reserved
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