Addressing voltage hysteresis in Li-rich cathode materials <i>via</i> gas–solid interface modification
Qing Zhao, Mengke Zhang, Zhengcheng Ye, Yao Li, Lang Qiu, Zhuo Zheng, Yang Liu, Benhe Zhong, Yang Song, Xiaodong Guo
Abstract
A simple and effective gas–solid interface reaction is proposed to construct oxygen vacancies and spinel phase on a surface, which improves cyclic stability and reduces voltage hysteresis.
Topics & Concepts
Materials scienceHysteresisSpinelRedoxVoltageWork (physics)CathodeChemical engineeringIonDegradation (telecommunications)Vacancy defectAnalytical Chemistry (journal)ThermodynamicsChemistryPhysical chemistryCrystallographyElectronic engineeringElectrical engineeringOrganic chemistryMetallurgyCondensed matter physicsPhysicsEngineeringAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesSemiconductor materials and devices