LiHfO2F

LiHfO₂F is a lithium hafnium oxyflueride ceramic compound that combines hafnium oxide with fluorine and lithium dopants, creating a mixed-anion ceramic material. This is primarily a research compound rather than a commercial-scale material, belonging to the family of rare-earth and transition-metal fluoride/oxide ceramics being explored for solid-state electrolytes and ion-conducting applications. The incorporation of both fluoride and oxide anions, along with lithium as a mobile ion, makes this material notable as a potential candidate for next-generation solid electrolytes in energy storage, where enhanced ionic conductivity and structural stability compared to conventional oxide ceramics could enable safer, higher-density battery systems.