Li2 Fe3 F8

Li2Fe3F8 is an inorganic fluoride compound belonging to the lithium iron fluoride family, of interest primarily as a research material for energy storage and solid-state applications rather than a mature commercial product. This compound is being investigated in battery research, particularly for potential use as a cathode material or solid electrolyte component in next-generation lithium-ion and solid-state battery systems, where its ionic conductivity and electrochemical stability are relevant. The material represents part of a broader class of mixed-metal fluorides explored as alternatives to conventional layered oxides, offering potential advantages in thermal stability and cycle life, though it remains largely in the experimental phase without widespread industrial deployment.