Abstract
In this work, MnCO3-Mn3O4 composite materials were prepared by one-step solvothermal method. The structure, morphology and chemical composition were characterized and analyzed. As the anode materials of lithium-ion batteries, the formed MnCO3-Mn3O4 composites on the basis of initial KMnO4/DMF weight ratio of 1:40 and 1:20 delivered the specific capacities of 654.8 and 598.7mAh g-1 after 100 cycles at a current density of 1.0Ag-1. The testing results indicate that MnCO3-Mn3O4 composite has significant advantage in electrochemical lithium storage capacity and can be utilized as one prospective anode material for the high performance lithium-ion batteries.
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