fig17
Figure 17. (A) Flow diagram depicting the recovery process of LiCoO2 from discarded mobile phones. Impact of the (B) NH4HCO3 concentration, (C) (NH4)2SO3 concentration, (D) current, (E) temperature, (F) solid-to-liquid ratio, and (G) holding time on the leaching rates of lithium and cobalt, and the regeneration rate of LiCoO2. (A-G) Figures reprinted with permission from Ref.[84]. Copyright 2023 Elsevier[84].
