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|Title:||Coaxial Fe3O4/CuO hybrid nanowires as ultra fast charge/discharge lithium-ion battery anodes||Authors:||Saadat, Somaye
Hng, Huey Hoon
|Keywords:||DRNTU::Engineering::Materials||Issue Date:||2013||Source:||Saadat, S., Zhu, J., Sim, D., Hng, H. H., Yazami, R., & Yan, Q. (2013). Coaxial Fe3O4/CuO hybrid nanowires as ultra fast charge/discharge lithium-ion battery anodes. Journal of materials chemistry A, 1(30), 8672-8678.||Series/Report no.:||Journal of materials chemistry A||Abstract:||We report the facile, template free electrochemical fabrication of hierarchical Fe3O4/CuO hybrid wires, grown directly on a copper substrate. The electrodes are produced by the electrochemical deposition of Fe3O4 on CuO nanoneedle arrays, fabricated by anodization. The Fe3O4/CuO hybrid anodes displayed ultrafast charging/discharging properties and high rate capabilities, superior to those of their individual building blocks Fe3O4 and CuO. For example, at a current density of 820 mA g−1, the Fe3O4/CuO hybrid wires delivered high reversible specific capacity, good cycling stability (delivering 953 mA h g−1 discharge capacity with 98.7% Coulombic efficiency after 100 cycles) and excellent rate capability (319 mA h g−1 at 8200 mA g−1). The excellent performance of the Fe3O4/CuO hybrids comes from the intelligent integration of the two compatible components into unique hierarchical architectures with a high specific capacity, with one-dimensional CuO nanoneedle arrays electrochemically coated with mesoporous Fe3O4 nanocubes.||URI:||https://hdl.handle.net/10356/106359
|Appears in Collections:||ERI@N Journal Articles|
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