V3 Co5 O16

V₃Co₅O₁₆ is a mixed-valence oxide semiconductor composed of vanadium and cobalt in a complex layered crystal structure, belonging to the family of transition metal oxides. This material is primarily of research and development interest rather than established in high-volume production, with potential applications in energy storage, catalysis, and electronic devices where mixed-metal oxidic phases offer tunable electrical and electrochemical properties. The cobalt-vanadium oxide system is notable for its ability to exhibit variable oxidation states and structural flexibility, making it attractive for emerging technologies where conventional single-oxide semiconductors may lack the necessary functional properties.