Abstract

Molybdenum trioxide (MoO3) microplates are synthesized via the hydrothermal method and a simple heat treatment process without adding surfactant. Different hydrothermal reaction times and acidities are employed to explore the influence of preparation condition on the electrochemical performance for MoO3 microplates. These studies reveal that the hydrothermal time and acidity have a great impact on the morphology of MoO3 microplates. As anode materials for lithium-ion batteries (LIBs), the sheets-assembled MoO3 microplates with longer hydrothermal reaction time and proper acidity possess a superior morphology, which show better cycling performance and rate capability stability. The prepared MoO3 microplates display that the coulombic efficiency is around 100% during 50 cycles, demonstrating much better lithium storage properties. Considering the excellent electrochemical performance, the MoO3 microplates are considered to be a potential candidate in high-performance LIBs.

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