Synthesis of Fe/Mg-doped NMC6 22 from Spent Nickel Catalyst as Lithium-Ion Battery CathodeEndah Retno Dyartanti, Agnestasia Milenia Putri Kurniawan and Arifiah Muflikhati PutriE3S Web Conf., 481 (2024) 01006DOI: https://doi.org/10.1051/e3sconf/202448101006