Quantification probing of available extra capacity: interfacial space-charge storage in FeOOH lithium-ion batteries
Leqing Zhang, Zeyuan Bu, Haoyu Fu, Xiaoshan Wang, Xianyi Meng, Meishuo Liu, Yakun Zhou, Xiang Sui, Guihuan Chen, Qinghao Li, Qiang Li, Qiang Li, Qiang Li
Abstract
Operando magnetometry shows evolution of paramagnetism FeOOH in LIBs: rising/falling magnetism from superparamagnetism Fe reduction/interfacial space-charge storage (reversible extra capacity) during discharge, which is reversed during charge.
Topics & Concepts
SuperparamagnetismLithium (medication)MagnetismMagnetometerMaterials scienceIonSpace chargeParamagnetismCharge (physics)NanotechnologyChemical physicsChemical engineeringCondensed matter physicsChemistryMagnetizationPhysicsMagnetic fieldMedicineElectronQuantum mechanicsOrganic chemistryEngineeringEndocrinologyAdvancements in Battery MaterialsSupercapacitor Materials and FabricationAdvanced Battery Technologies Research