MnMnO2N

MnMnO₂N is a manganese oxynitride ceramic compound combining manganese in mixed oxidation states with nitrogen incorporation, representing an emerging class of high-entropy or complex transition metal ceramics. This material family is primarily of research interest for energy storage and electrochemical applications, where nitrogen doping is known to enhance electronic conductivity and catalytic activity compared to conventional manganese oxides. Industrial adoption remains limited, but compounds of this type show promise in battery cathodes, supercapacitors, and oxygen reduction catalysts where the nitrogen incorporation modifies electronic structure and surface reactivity.