Abstract
Carbon coated MnO@Mn(3)N(2) core-shell composites (MnO@Mn(3)N(2)/C) were synthesized in a simple approach by calcining MnO(2) nanowires with urea at 800 °C under an ammonia atmosphere. Urea derived carbon nanosheets were partially coated on pure phase MnO@Mn(3)N(2) core-shell composites. Electrochemical measurements reveal that the MnO@Mn(3)N(2)/C displayed high discharge capacities, an excellent high-rate capability and an enhanced cycling performance.
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