Abstract
MnO nanospheres encapsulated in carbon (MnO/C) composites were synthesized through a one-step solid state reaction between potassium permanganate and salicylic acid at 700 °C, which could be transformed into MnO 2 nanorods after being annealed in ambient atmosphere. Their formation mechanisms and electrochemical performances as anodes in Li-ion batteries (LIBs) were investigated. The first discharge capacity of MnO/C composites was 585.9 mA h g −1, while that of MnO 2 was 1269 mA h g −1, indicating their potential applications in LIBs.
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