Unlocking the Inaccessible Energy Density of Sodium Vanadium Fluorophosphate Electrode Materials by Transition Metal Mixing

Stephanie C. C. van der Lubbe, Ziliang Wang, Damien K. J. Lee +1

Sodium (Na) vanadium (V) fluorophosphate $\mathrm{N}{\mathrm{a}}_{\mathrm{x}}{\mathrm{V}}_2(\mathrm{P}{\mathrm{O}}_4{)}_2{\mathrm{F}}_3$ (NVPF) is a highly attractive intercalation electrode material due to its high operation voltage, large capac…