Enhanced Li-ion intercalation kinetics and lattice oxygen stability in single-crystalline Ni-rich Co-poor layered cathodes
Hujun Zhang, Qin Li, Michal Sedlačík, Petr Sáha, Qilin Cheng, Haifeng Yu, Hao Jiang
Abstract
Ba/Al co-doping effectively lower the calcination temperature, greatly reduces Li/Ni mixing and expands the c -axis parameter, and stabilizes the lattice oxygen, resulting in enhanced Li-diffusion kinetics and excellent cycle life.
Topics & Concepts
Intercalation (chemistry)KineticsMaterials scienceCathodeIonOxygenLattice (music)Chemical engineeringCrystallographyChemical physicsInorganic chemistryChemistryPhysical chemistryPhysicsAcousticsOrganic chemistryQuantum mechanicsEngineeringAdvancements in Battery MaterialsSemiconductor materials and devicesExtraction and Separation Processes