Research and Application of Materials Science

An Effective Way to Prepare Submicron MoO2 Anodes for High-Stable Lithium-Ion Batteries

LIXiu-Lan, LINJian, TONGCui-Yan, SUNHai-Zhu


Herein, MoO2-based submicrons (named MoO2@C) are synthesized through an effective one-step hydrothermal process. The prepared MoO2 submicrons wrapped in carbonouse layer are uniformly produced and can be applied to the anodes in lithium-ion batteries (LIBs). The novel MoO2@C electrodes demonstrate attractive lithium storage ability. Moreover, compared with the commercial pure MoO2, the MoO2@C delivers a superior electrochemical capacity (e.g, 760.83 mAh g-1 capacity in long-life test at high rate of 1 A g-1) with outstanding capacity retention ratio and stability as well as rate capability. The superior lithium storage capabilities result from plenty of the Li+ sites and adequate electrolyte infiltration effect, which allows the fast transport of electrons and ions, and well-dispersed MoO2 submicrons in carbon-based layers that effectively prevents aggregation of nano size particles.


submicrons; MoO2 ; Carbon coating; Lithium-ion battery

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