Electrolyte motion induced salt inhomogeneity – a novel aging mechanism in large-format lithium-ion cells
Sophie Solchenbach, Camilla Tacconis, Aurora Gómez-Martín, Verena Peters, Lea Wallisch, Anna Stanke, Johanna Hofer, Diemo Renz, Burkhard Lewerich, Georg Bauer, Moritz Wichmann, Daniel Goldbach, Alexander Adam, Markus Spielbauer, Peter Lamp, Johannes Wandt
Abstract
Electrolyte motion induced salt inhomogeneity (EMSI): during cycling, electrolyte moves into and out of the jelly roll, which leads to a lasting in-plane LiPF 6 concentration gradient, possibly causing secondary effects like localized lithium plating.
Topics & Concepts
ElectrolyteLithium (medication)Salt (chemistry)IonMaterials scienceCyclingPlating (geology)Mechanism (biology)Chemical physicsChemistryElectrodePhysicsPhysical chemistryOrganic chemistryGeophysicsMedicineArchaeologyHistoryQuantum mechanicsEndocrinologyAdvancements in Battery MaterialsAdvanced Battery Technologies ResearchAdvanced Battery Materials and Technologies