Abstract
MnO/C nanocomposites for high capacity lithium-ion batteries were prepared through a simple thermal decomposition of manganese benzoate precursor at 500°C under air atmosphere. The obtained nanocomposites exhibited a reversible capacity greater than 680 mAh g ―1 at the 50th cycle as well as a rate capability of 196 mAh g ―1 at a current density of 1600 mA g ―1 . It was revealed that carbon content plays an important role in the electrochemical performance of MnO/C composites, and a content of 10.2 wt % is desirable for high reversible capacity and high rate capability. Owing to their excellent electrochemical properties and easy fabrication, these MnO/C composites might be promising high capacity anode materials for lithium-ion batteries.
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