Na2MnO3

Sodium manganese oxide (Na₂MnO₃) is an inorganic ceramic compound belonging to the manganese oxide family, typically studied as a functional material rather than a structural ceramic. It is primarily investigated in battery research and energy storage applications, particularly as a cathode material or electrolyte component in sodium-ion batteries, where its mixed-valence manganese chemistry enables ion transport and electrochemical cycling. This compound is notable for offering a sodium-based alternative to lithium-ion technology, making it relevant for cost-sensitive or resource-constrained energy applications, though most applications remain in the research and development phase rather than established industrial production.