Difluorophosphoric Acid Generation and Crossover Reactions in LiNixCoyMnzO2 Cathodes Operating at High Voltage

• Published in: Journal of the Electrochemical Society Vol. 169; no. 6
• Main Authors: Jayawardana, Chamithri, Rodrigo, Nuwanthi D., Rynearson, Leah, Lucht, Brett L.
• Format: Journal Article
• Language: English
• Published: United States IOP Publishing 01.06.2022; The Electrochemical Society

Abstract Cycling lithiated metal oxides to high potential (>4.5 V vs Li) is of significant interest for the next generation of lithium ion batteries. However, cells cycled to high potential suffer from rapid capacity fade due to a combination of thickening of the anode solid electrolyte interphas...