Na4CoO4

Na₄CoO₄ is an inorganic ceramic compound composed of sodium, cobalt, and oxygen, belonging to the family of transition metal oxides with potential electrochemical activity. This material is primarily investigated in research contexts for energy storage and catalytic applications, where its layered structure and mixed-valence cobalt chemistry may offer advantages in ion transport and electron transfer compared to conventional oxide ceramics. Interest in this compound reflects broader efforts to develop alternative cathode materials and electrocatalysts for next-generation batteries and fuel cells.