MoO2/Mo2C hybrid Nanowires As Anode Materials for High Performance Lithium Ion Batteries
Here we report on a facile synthesis of MoO2/Mo2C hybrid nanowires through simple calcination using MoOx/amine nanowires as a precursor. The small diameters of the nanowires ensure fast lithium ion insertion and extraction, while the long dimensions benefit good electron transport between wires. Besides, The electrochemical inactive Mo2C with a high specific conductance distinctly increases the structural stability and electronic conductivity of the hybrid nanowires. As a result, the cycling and rate performance of the hybrid nanowires is remarkably enhanced. At a current density of 1000 mA/g, a discharge capacity of ~ 700 mAh/g is still retained after 300 cycles, which indicates the MoO2/Mo2C hybrid nanowires a promising anode material for high performance lithium ion batteries.
This work was financially supported by the National Natural Science Foundation of China (Nos. 51402110, and 51231003), and the Fundamental Research Funds for the Central Universities (2013ZM0002).
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