Understanding cation-disordered rocksalt oxyfluoride cathodes
Dongchang Chen, Juhyeon Ahn, Ethan C. Self, Jagjit Nanda, Guoying Chen
Abstract
A “concerted-densification” based failure mechanism, involving atomic-level changes in both transition-metal cationic sublattice and oxygen/fluorine anionic sublattice, is proposed for the degradation of F-DRX cathode materials.
Topics & Concepts
Cationic polymerizationCathodeMaterials scienceOxygenDegradation (telecommunications)Transition metalFluorineFailure mechanismWork (physics)Condensed matter physicsChemical physicsCrystallographyChemistryThermodynamicsPhysical chemistryMetallurgyCatalysisComposite materialPhysicsComputer sciencePolymer chemistryOrganic chemistryBiochemistryTelecommunicationsAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesInorganic Fluorides and Related Compounds