Direct regeneration of fluorine-doped carbon-coated LiFePO<sub>4</sub> cathode materials from spent lithium-ion batteries
Yurong Han, Yinzhuang Fang, Menglong Yan, Haoyu Qiu, Yifeng Han, Yi‐Ping Phoebe Chen, Liangyou Lin, Jingwen Qian, Tao Mei, Xianbao Wang
Abstract
Fluorine-doped carbon-coated LiFePO 4 materials are regenerated by sintering residual PVDF after separating spent electrode strips via methanol-citric acid, with a good capacity of 141.5 mA h g −1 at 1C and a retention rate of 99.6% after 100 cycles.
Topics & Concepts
Lithium (medication)DopingFluorineBattery (electricity)CathodeCarbon fibersMaterials scienceIonRegeneration (biology)Lithium-ion batteryLithium vanadium phosphate batteryChemical engineeringInorganic chemistryChemistryElectrochemistryComposite materialComposite numberMetallurgyElectrodeOptoelectronicsOrganic chemistryEngineeringPhysical chemistryMedicinePower (physics)Quantum mechanicsEndocrinologyBiologyPhysicsCell biologyAdvancements in Battery MaterialsExtraction and Separation ProcessesRecycling and Waste Management Techniques