Carbon-Coated SnO2 Nanorod Array for Lithium-Ion Battery Anode Material
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Nanoscale Research Letters 2010, 5:649-653 doi:10.1007/s11671-010-9529-xPublished: 21 January 2010
Carbon-coated SnO2 nanorod array directly grown on the substrate has been prepared by a two-step hydrothermal method for anode material of lithium-ion batteries (LIBs). The structural, morphological and electrochemical properties were investigated by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and electrochemical measurement. When used as anodes for LIBs with high current density, as-obtained array reveals excellent cycling stability and rate capability. This straightforward approach can be extended to the synthesis of other carbon-coated metal oxides for application of LIBs.