Journal
NANOSCALE
Volume 5, Issue 17, Pages 7906-7912Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr02258g
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Funding
- Key Science and Technology Innovation Team of Zhejiang Province [2010R50013]
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A Fe2O3@NiO core/shell nanorodarray on carbon cloth was prepared with the aid of hydrothermal synthesis combined with subsequent chemical bath deposition. The resultant array structure is composed of Fe2O3 nanorods as the core and interconnected ultrathin NiO nanoflakes as the shell. As an anode material for lithium-ion batteries, the heterostructured array electrode delivers a high discharge capacity of 1047.2 mA h g(-1) after 50 cycles at 200 mA g(-1), and 783.3 mA h g(-1) at a high current density of 2000 mA g(-1). The excellent electrochemical performance is attributed to the unique 3D core/shell nanorod array architecture and a rational combination of two electrochemical active materials. Our growth approach offers a simple and effective technique for the design and synthesis of a transition metal oxide hierarchical array that is promising for high-performance electrochemical energy storage.
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