fig6

Figure 6. (A) Graphite anode prior to electrolysis, accompanied by the recovered copper foil and anode active materials post-electrolysis^[75]. Copyright 2021 Elsevier^[73]. (B) Schematic of electrolytic separation. (C) Influence of supplied voltage on lithium dissolution and separation duration. (D) Impact of inter-electrode spacing on lithium dissolution and separation duration. (E) Concentration effect of sodium sulfate on lithium dissolution and separation duration. (F) Consequences of electrolysis duration on lithium recovery and separation time. (B-F) Figures reprinted with permission from Ref.^[74]. Copyright 2021 Elsevier^[75].