Potential dependent degradation of spinel LiMn<sub>2</sub>O<sub>4</sub> (LMO) and related structures assessed <i>via</i> manganese- and oxygen-sensitive scanning electrochemical microscopy
Dong Ok Kim, Abhiroop Mishra, Michelle Zorigt, Yichen Li, Richard T. Haasch, Joaquín Rodríguez‐López
Abstract
Small electrodes capable of detecting Mn dissolution and oxygen evolution are placed near operating Mn-based lithium-ion battery cathodes to track their degradation, informing on mechanism and revealing how additives might help decrease degradation.
Topics & Concepts
SpinelManganeseDegradation (telecommunications)Materials scienceElectrochemistryMicroscopyScanning electrochemical microscopyOxygenScanning electron microscopeAnalytical Chemistry (journal)MineralogyChemical engineeringChemistryMetallurgyComposite materialElectrodeOpticsPhysicsEnvironmental chemistryPhysical chemistryComputer scienceEngineeringOrganic chemistryTelecommunicationsAdvancements in Battery MaterialsElectrochemical Analysis and ApplicationsAdvanced Memory and Neural Computing