Chemical and structural evolutions of Li–Mn-rich layered electrodes at different current densities
Xin He, Jue Wu, Zhuoying Zhu, Haodong Liu, Ning Li, Dong Zhou, Xu Hou, Jun Wang, Haowei Zhang, Dominic Bresser, Yanbao Fu, Matthew J. Crafton, Bryan D. McCloskey, Yan Chen, Ke An, Ping Liu, Anubhav Jain, Jie Li, Wanli Yang, Yong Yang, Martin Winter, Robert Kostecki
Abstract
The oxidation process of lattice oxygen in Li-rich cathodes is dynamically compatible with that of TMs. Fast delithiation at high current densities can lead to local structural transformation and limited Li + diffusion rates.
Topics & Concepts
CathodeMaterials scienceElectrodeCurrent densityCurrent (fluid)Chemical physicsLattice (music)DiffusionOxygenChemical engineeringChemistryThermodynamicsPhysical chemistryEngineeringPhysicsQuantum mechanicsAcousticsOrganic chemistryAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesSupercapacitor Materials and Fabrication