Potentials in Li-Ion Batteries Probed by Operando Ambient Pressure Photoelectron Spectroscopy
Ida Källquist, Tove Ericson, Fredrik Lindgren, Heyin Chen, Andrey Shavorskiy, Julia Maibach, Maria Hahlin
Abstract
composite as a WE, our results show that the shifts in kinetic energy of the electrolyte measured by APPES can be correlated to the electrochemical reactions occurring at the WE/electrolyte interface. Different shifts in kinetic energy are seen depending on if a phase transition reaction occurs or if a single phase is lithiated. The developed methodology can be used to evaluate charge transfer over the WE/electrolyte interface as well as the lithiation/delithiation mechanism of the WE.
Topics & Concepts
ElectrolyteMaterials scienceElectrochemistryX-ray photoelectron spectroscopyElectrodeChemical physicsInterface (matter)Battery (electricity)IonKinetic energyAnalytical Chemistry (journal)Chemical engineeringPhysical chemistryThermodynamicsChemistryComposite materialOrganic chemistryCapillary actionQuantum mechanicsPower (physics)Capillary numberPhysicsEngineeringAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research