Figure 5.

Electrochemical performance of A/C‐V₂O₃@C‐CS, A/C‐V₂O₃@C‐WCS, A/C‐V₂O₃@C‐HCS, and A/C‐V₂O_{3− x} @C‐HMCS for sodium‐ion storage. a) CV profiles in the first three cycles at 0.1 mV s⁻¹. b) The GCD curves of A/C‐V₂O_{3− x} @C‐HMCS at different cycles at 0.1 A g⁻¹. c) Rate capability at various current densities. d) Discharge–charge profiles of A/C‐V₂O_{3− x} @C‐HMCS at different rates. e) Cycling performance at 1.0 A g⁻¹. f) Long‐life cycling performance at 10 A g⁻¹. g) Comparison of high rate and long‐term cyclic stability performance with previous vanadium‐based cathodes published works in SIBs.