Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 484, Issue 1-2, Pages 322-326Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2009.04.090
Keywords
Oxides; Nanostructures; Chemical synthesis; Energy storage
Categories
Funding
- Specialized Research Fund [20040730029]
- Teaching and Research Award Program for Outstanding Young Teachers in High Education Institutions of MOE, China
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Sheaf-like CuO nanostructures have been synthesized by a simple hydrothermal process conducted at 120 degrees C for 24 h. The crystalline structure and morphology of the as-synthesized powder have been characterized by using X-ray powder diffraction (XRD), field-emission scanning electron microscopy (FESEM) and transmission electron microscope (TEM). And the growth process of the sheaf-like nanostructures was also clarified. The electrochemical performance as anode material for lithium-ion batteries was further evaluated by charge-discharge measurements. It was found that the sheaf-like CuO electrode can exhibit a high initial discharge capacity of 965 mAh/g. After 41 cycles, the electrode can deliver a capacity of 580 mAh/g. And a high rate capability was also obtained. (C) 2009 Elsevier B.V. All rights reserved.
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