Entropy modulation strategy of P2-type layered transition metal oxide cathodes for sodium-ion batteries with a high performance
Yusong Wang, Yingshuai Wang, Yuhang Xing, Chunyu Jiang, Yanfei Pang, Hongfeng Liu, Feng Wu, Hongcai Gao
Abstract
Configuration entropy is increased by doping with multiple cations, whereby the material defects and active sites are increased and phase transition is inhibited at high voltage. Meanwhile, the sodium-ion diffusion rate was improved with the co-doping strategy.
Topics & Concepts
DopingMaterials scienceIonOxideCathodeTransition metalSodiumPhase transitionEntropy (arrow of time)VoltageInorganic chemistryChemical physicsOptoelectronicsChemistryCondensed matter physicsThermodynamicsElectrical engineeringMetallurgyPhysical chemistryPhysicsBiochemistryCatalysisOrganic chemistryEngineeringAdvancements in Battery MaterialsSemiconductor materials and devicesSemiconductor materials and interfaces