Boosting zinc ion storage performance of sandwich-like V2O5/graphene composite by effectively inhibiting vanadium dissolution

Sandwich-like V2O5/graphene composites with adjustable graphene content (denoted as V2O5/xG) were designed to demonstrate the effects of electrode structure and wetting characteristics on zinc storage properties. The V2O5/5G with 10.4% graphene content exhibits effective inhibition of vanadium dissolution, high capacity and excellent cycling stability.