Li–Mn–O Li-rich cation disordered rock-salt cathode materials do not undergo reversible oxygen redox during cycling
Wei Yin, Judith Alvarado, Elyse A. Kedzie, Bryan D. McCloskey, Chaochao Dun, Jeffrey J. Urban, Zengqing Zhuo, Wanli Yang, Marca M. Doeff
Abstract
A comprehensive study of Li 4 Mn 2 O 5 (LMO) shows that it does not undergo reversible oxygen redox when charged in lithium cells. The electrochemical properties can be substantially improved by modification with spinel (LMO-s).
Topics & Concepts
SpinelRedoxOxygenElectrochemistryLithium (medication)CathodeSalt (chemistry)Oxygen evolutionInorganic chemistryChemistryMaterials scienceElectrodeMetallurgyPhysical chemistryMedicineOrganic chemistryEndocrinologyAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesExtraction and Separation Processes