Abstract
In this article, carbon nanotubes were grown on free standing multi-layer graphene sheet to form three dimensional carbon (3D-carbon) materials, and then used as support of Fe2O3 nanoparticles. Ultrasmall Fe2O3 nanoparticles were uniformly deposited on the surface of the 3D-carbon. Due to the synergistic effect of Fe2O3 nanoparticles and 3D-carbon, the electrochemical properties are higher than that of bare Fe2O3 material and multi-layer graphene sheet supported Fe2O3. Reversible capacity 528 mAh g-1 is maintained at a high current density of 500 mA g−1 after 50 cycles. This composite shows a stable cycling and high rate performance.
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