Anionic redox induced anomalous structural transition in Ni-rich cathodes
Jue Liu, Zhijia Du, Xuelong Wang, Sha Tan, Xianyang Wu, Linxiao Geng, Bohang Song, Po‐Hsiu Chien, Michelle Everett, Enyuan Hu
Abstract
A universal four-stage structural evolution mechanism of Ni-rich cathodes is revealed by high throughput in situ neutron diffraction. An anomalous increase of average TM-O bond distances is observed when more than ~75% Li + are removed.
Topics & Concepts
Neutron diffractionCathodeRedoxCrystallographyDiffractionNickelStructural changeTransition metalMaterials scienceChemistryInorganic chemistryCrystal structureMetallurgyPhysical chemistryPhysicsCatalysisOpticsEconomicsMacroeconomicsBiochemistryAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesSemiconductor materials and devices