Figure 5

(a) Cycling performances in lithium half-cells of all the samples for 50 cycles at 100 mA g⁻¹; (b) rate capability of all the samples from 0.05 to 5 A g⁻¹; and (c) cycling performances of all samples for 250 cycles at 1 A g⁻¹. The voltage range is 0.01–3 V.