Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12132
Title: Onion-like carbon coated CuO nanocapsules : a highly reversible anode material for lithium ion batteries
Authors: Liu, X
Bi, N
Feng, C
Or, SW 
Sun, Y
Jin, C
Li, W
Xiao, F
Keywords: Anode electrode
Carbon layer
Copper oxide
Lithium ion batteries
Issue Date: 2014
Publisher: Elsevier
Source: Journal of alloys and compounds, 2014, v. 587, p. 1-5 How to cite?
Journal: Journal of alloys and compounds 
Abstract: The synthesis and characterization of CuO/C nanocapsules for application as anode material in lithium ion batteries are reported. Introduction of onion-like carbon shell on the CuO nanoparticles leads to the improved stability, electric conductivity and electrochemical performance. When evaluated as potential anode materials for lithium-ion batteries, the novel CuO/C nanocapsules deliver an initial discharge capacity of 1043.9 mA h g-1 at 100 mA g-1 and maintain a high reversible capacity of 628.7 mA h g-1 after 50 charge-discharge cycles, much higher than those of the CuO nanoparticles. A postmortem analysis of the CuO and CuO/C anodes subjected to prolonged cycling reveals the existence of a lower degree of surface cracking and particle breakage in the CuO/C anode than the CuO anode.
URI: http://hdl.handle.net/10397/12132
ISSN: 0925-8388
DOI: 10.1016/j.jallcom.2013.10.178
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