Co2 O2 F2

Co₂O₂F₂ is an experimental mixed-valence cobalt oxide fluoride compound belonging to the broader class of transition metal oxyhalides—materials that combine oxide and halide chemistry to create unusual electronic and structural properties. This compound remains primarily in research phase, with interest focused on potential applications in energy storage, catalysis, and solid-state ionics where the interplay between oxygen and fluorine coordination could enable novel electrochemical behaviors not found in conventional oxides or fluorides alone.