Efficient regeneration of retired LiFePO<sub>4</sub> cathode by combining spontaneous and electrically driven processes
Dezhao Peng, Xiaowei Wang, Shubin Wang, Bao Zhang, Xinyu Lu, Wenyang Hu, Jingtian Zou, Pengfei Li, Yong Wen, Jiafeng Zhang
Abstract
Based on a combination of spontaneous lithium migration and targeted electrically-driven lithiation, a two-step resting-output current process was conducted to directly regenerate retired LiFePO 4 cathode, which can reduce energy consumption and environmental pollution.
Topics & Concepts
CathodeLithium (medication)Process (computing)Chemical engineeringEnergy consumptionMaterials scienceRegeneration (biology)Current (fluid)ChemistryProcess engineeringComputer scienceElectrical engineeringPhysical chemistryEngineeringInternal medicineMedicineBiologyOperating systemCell biologyAdvancements in Battery MaterialsExtraction and Separation ProcessesAdvanced Battery Technologies Research