Chemical Physics Letters, Vol.668, 19-22, 2017
Synthesis of Cu0.95V2O5/polypyrrole core/sheath nanobelts and its electrochemical property
A novel heterogeneous Cu0.95V2O5/polypyrrole core/sheath nanobelts have been synthesized via in-situ oxidative polymerization of pyrrole monomers on the surface of hydrothermally synthesized Cu0.95V2O5 nanobelts. The composite are several micrometers in length and 100-200 nm in width. The electrochemical performance of the composites for use as anode materials in lithium-ion batteries were investigated and compared with bare Cu0.95V2O5 nanobelts. It was found the electrochemical performance of Cu0.95V2O5/PPy was significantly enhanced. The remarkable electrochemical performance is mainly attributed to the heterogeneous core/sheath structure, the conductive PPy nanolayer coating help to preserve high capacity, maintain high electrochemical stability, and reduce charge transfer resistance during cycling performance. (C) 2016 Elsevier B.V. All rights reserved.