Design and synthesis of VO2/MWCNT/GONR nanocomposites for ultrahigh-rate and long-life aqueous Zn-ion batteries

Highly electronic conductive nanocomposites comprising VO2 nanoplates decorated onto multiwalled carbon nanotubes/graphene nanoribbons (MWCNT/GONR) are designed and synthesised. The optimal composite positive electrode exhibits a high capacity (428 mA h g-1 at 1 A g-1), ultrahigh rate performance (208 mA h g-1 at 50 A g-1), and extremely long life (10 000 cycles) in aqueous Zn-ion batteries (AZIBs).