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We demonstrate a facile route for the massive production of SnCb/carbon nanocomposite used as high-capacity anode materials of nextgeneration lithium-ion batteries.The nanocomposite had a unique structure of ultrafine SnO_2 nanocrystals(~5 nm,80 wt%) homogeneously dispersed in amorphous carbon matrix.This structure design can well accommodate the volume change of Li~+ insertion/desertion in SnO_2,and prevent the aggregation of the nanosized active materials during cycling,leading to superior cycle performance with stable reversible capacity of 400 mAh/g at a high current rate of 3.3 A/g.
We demonstrate a facile route for the massive production of SnCb / carbon nanocomposite used as high-capacity anode materials of next generation lithium-ion batteries.The nanocomposite had a unique structure of ultrafine SnO 2 nanocrystals (~5 nm, 80 wt%) homogeneously dispersed in amorphous carbon matrix. This structure design can well accommodate the volume change of Li ~ + insertion / desertion in SnO 2, and prevent the aggregation of the nanosized active materials during cycling, leading to superior cycle performance with stable reversible capacity of 400 mAh / g at a high current rate of 3.3 A / g.