Fig. 4: Electrochemical performance of superlattice P-V2O5 in RABs.

a CV profiles of superlattice P-V2O5 and conventional V2O5 at a scan rate of 0.5 mV s–1. b Discharge-charge curves of P-V2O5 and V2O5 at 100 mA g–1. c Ragone plot of P-V2O5 and representative cathodes in RABs25,26,27,28,29,30,31,32,33. d Long-term stability of P-V2O5 and representative cathodes materials in RABs25,26,27,28,30,31,32,33,34,35,36.