Suppressed P2-Z phase transition and Fe migration in the Na layer of an Fe/Mn-based layered oxide cathode for advanced sodium-ion batteries
Wei Zhao, Shaohua Luo, Lixiong Qian, Rui Huang, Ge Wang, Haoran Zhang, Guodong Hao, Shengxue Yan
Abstract
The harmful P2-Z phase transition in the Fe/Mn-based layered oxide has been completely eliminated through Ti doping, which reduces the amount of Fe 4+ O 6 and suppresses the migration of Fe ions.
Topics & Concepts
Materials scienceOxideCathodeIonSodiumPhase transitionPhase (matter)Chemical engineeringInorganic chemistryMetallurgyPhysical chemistryCondensed matter physicsChemistryOrganic chemistryPhysicsEngineeringAdvancements in Battery MaterialsSemiconductor materials and devicesSupercapacitor Materials and Fabrication