Quantification probing of available extra capacity: interfacial space-charge storage in FeOOH lithium-ion batteries

• DOI: 10.1039/d4ta02174f
• Publication Date: 2024-07-29T08:48:47Z
• Authors: Leqing Zhang; Zeyuan Bu; Haoyu Fu; Xiaoshan Wang; Xianyi Meng; Meishuo Liu; Yakun Zhou; Xiang Sui; Guihuan Chen; Qinghao Li; Qiang Li
• Keywords: Superparamagnetism; Magnetism

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 charge.