Figure 6.

Anode performance of the as-prepared V2O5-based nanocomposites with 10 wt% SnO2: a the first two cycles of charge/discharge curves at a current density of 250 mA g−1; b capacity (left) and efficiency (right) versus cycle number at a current density of 250 mA g−1 rate showing the charge and discharge capacity. Reproduced with the permission of American Chemical Society from [46]

Liu and Xue Nanoscale Research Letters 2010 5:1525-1534   doi:10.1007/s11671-010-9728-5