Removal of residual contaminants by minute-level washing facilitates the direct regeneration of spent cathodes from retired EV Li-ion batteries
Yi Guo, Li Yang, Kai Qiu, Yan Li, Wei Yuan, Chenxi Li, Xinyu Rui, Lewei Shi, Hou Yukun, Saiyue Liu, Dongsheng Ren, Tan Tiening, Gaolong Zhu, Languang Lu, Shengming Xu, Biao Deng, Xiang Liu, Minggao Ouyang
Abstract
Our study presents a minute-level water-based pretreatment that purifies degraded cathodes, enhancing lithium diffusivity and capacity retention in rejuvenated cathodes compared to contaminated ones.
Topics & Concepts
Regeneration (biology)ContaminationCathodeResidualEnvironmental scienceIonEnvironmental chemistryWaste managementMaterials scienceChemistryRadiochemistryEngineeringComputer scienceBiologyOrganic chemistryCell biologyPhysical chemistryAlgorithmEcologyExtraction and Separation ProcessesRecycling and Waste Management TechniquesAdvancements in Battery Materials