Na<sub>2.4</sub>Al<sub>0.4</sub>Mn<sub>2.6</sub>O<sub>7</sub> anionic redox cathode material for sodium-ion batteries – a combined experimental and theoretical approach to elucidate its charge storage mechanism
Cindy Soares, Begoña Silván, Yong‐Seok Choi, Verónica Celorrio, Valerie R. Seymour, Giannantonio Cibin, John M. Griffin, David O. Scanlon, Nuria Tapia‐Ruiz
Abstract
Al substitution and subsequent Na excess in Na 2 Mn 3 O 7 were achieved by a ceramic method, realizing the high-performance Na 2.4 Al 0.4 Mn 2.6 O 7 oxygen-redox cathode for Na-ion batteries. A comparison between the two cathodes revealed the role of Al doping.
Topics & Concepts
CathodeRedoxIonDopingCeramicSodiumInorganic chemistryMaterials scienceOxygenChemistryAnalytical Chemistry (journal)Physical chemistryMetallurgyChromatographyOptoelectronicsOrganic chemistryAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesTransition Metal Oxide Nanomaterials