Structural elucidation of the degradation mechanism of nickel-rich layered cathodes during high-voltage cycling
Jing Lai, Jun Zhang, Zuowei Li, Yao Xiao, Weibo Hua, Zhenguo Wu, Yanxiao Chen, Yanjun Zhong, Wei Xiang, Xiaodong Guo
Abstract
A splitting of two O3 phases, rather than the often observed O1 phases in the conventional LiCoO<sub>2</sub> electrode, was discovered in the LiNi<sub>0.85</sub>Co<sub>0.10</sub>Mn<sub>0.05</sub>O<sub>2</sub> at high-voltage region (>4.6 V) by <italic>in situ</italic> high-resolution synchrotron radiation diffraction.
Topics & Concepts
Degradation (telecommunications)CyclingNickelCathodeMechanism (biology)Materials scienceVoltageChemistryChemical engineeringMetallurgyPhysicsElectrical engineeringEngineeringPhysical chemistryArchaeologyHistoryQuantum mechanicsAdvancements in Battery MaterialsExtraction and Separation ProcessesAdvanced Battery Technologies Research