Energy storage mechanisms in vacancy-ordered Wadsley–Roth layered niobates
Kit McColl, Kent J. Griffith, Rebecca L. Dally, Runze Li, Jason E. Douglas, Kenneth R. Poeppelmeier, Furio Corà, Igor Levin, Megan M. Butala
Abstract
Layered niobates with vacancy-ordered Wadsley–Roth structures were investigated as Li-ion battery anodes. Using operando and ex situ methods and DFT, we identify an intercalation mechanism dominated by Li-diffusion kinetics and layer evolution.
Topics & Concepts
Vacancy defectIntercalation (chemistry)Materials scienceDiffusionAnodeKineticsIonBattery (electricity)Energy storageCrystallographyThermodynamicsElectrodeInorganic chemistryChemistryPhysical chemistryPhysicsQuantum mechanicsPower (physics)Organic chemistryAdvancements in Battery MaterialsFerroelectric and Piezoelectric MaterialsGraphene research and applications