Insights into the enhanced cycling stability of cobalt-free single-crystal layered oxide cathodes at elevated voltage
Tiancheng Liu, Ke Fan, Changsheng Chen, Mingxia Dong, Yanping Zhu, Gao Chen, Jiangtong Li, Zezhou Lin, Liuqing Li, Ye Zhu, Huangxu Li, Haitao Huang
Abstract
The single-crystal LiNi 0.6 Mn 0.4 O 2 (NM64, at 4.6 V) demonstrates better structural and thermal stability than LiNi 0.8 Mn 0.2 O 2 (NM82, at 4.5 V) with smaller c -axis lattice contraction.
Topics & Concepts
CobaltMaterials scienceCyclingThermal stabilityCathodeOxideTemperature cyclingSingle crystalCobalt oxideCrystal structureCrystallographyChemical engineeringThermalChemistryMetallurgyThermodynamicsPhysical chemistryPhysicsArchaeologyEngineeringHistoryAdvancements in Battery MaterialsSemiconductor materials and devicesFerroelectric and Piezoelectric Materials