From structure to electrochemistry: the influence of transition metal ordering on Na<sup>+</sup>/vacancy orderings in P2-type Na<sub><i>x</i></sub>MO<sub>2</sub> cathode materials for sodium-ion batteries
Lukas Fridolin Pfeiffer, Manuel Dillenz, Nora Burgard, Přemysl Beran, Daniel Roscher, Maider Zarrabeitia, Paul Drews, Charles H. Hervoches, Daria Mikhailova, Ahmad Omar, Volodymyr Baran, Neelima Paul, Mohsen Sotoudeh, Michael Busch, Margret Wohlfahrt‐Mehrens, Axel Groß, Stefano Passerini, Peter Axmann
Abstract
In this work, the origin of Na + /vacancy orderings in P2-type Na x Ni y Mn 1− y O 2 is investigated. A general guideline to suppress Na + /vacancy orderings in P2-type Na x MO 2 cathode active materials is postulated.
Topics & Concepts
Vacancy defectCathodeTransition metalElectrochemistryMaterials scienceCrystallographyType (biology)Condensed matter physicsChemistryPhysicsPhysical chemistryElectrodeEcologyCatalysisBiochemistryBiologyAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research