@ARTICLE{Moon_Tae_Boong_Study_2021, author={Moon, Tae Boong and Han, Chulwoong and Hyun, Soong Keun and Park, Sung Cheol and Son, Seong Ho and Lee, Man Seung and Kim, Yong Hwan}, volume={vol. 66}, number={No 4}, journal={Archives of Metallurgy and Materials}, pages={983-986}, howpublished={online}, year={2021}, publisher={Institute of Metallurgy and Materials Science of Polish Academy of Sciences}, publisher={Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences}, abstract={This study investigated the recovery behavior of valuable metals (Co, Ni, Cu and Mn) in spent lithium ion-batteries based on Al2O3-SiO2-CaO-Fe2O3 slag system via DC submerged arc smelting process. The valuable metals were recovered by 93.9% at the 1250℃ for 30 min on the 20Al2O3-40SiO2-20CaO-20Fe2O3 (mass%) slag system. From the analysis of the slag by Fourier-transform infrared spectroscopy, it was considered that Fe2O3 and Al2O3 acted as basic oxides to depolymerize SiO4 and AlO4 under the addition of critical 20 mass% Fe2O3 in 20Al2O3-40SiO2-CaO-Fe2O3 (CaO + Fe2O3 = 40 mass%). In addition, it was observed that the addition of Fe2O3 ranging between 20 and 30 mass% lowers the melting point of the slag system.}, type={Article}, title={Study on Recovery of Valuable Metals in Spent Lithium-Ion Batteries by Al2O3-SiO2-CaO-Fe2O3 Slag System}, URL={http://www.czasopisma.pan.pl/Content/119283/PDF-MASTER/AMM-2021-4-12-Yong%20Hwan%20Kim.pdf}, doi={10.24425/amm.2021.136410}, keywords={Spent lithium-ion battery, Smelting, Al2O3-SiO2-CaO-Fe2O3, recovery, slag}, }