fig17
![Electrochemical technology to drive spent lithium-ion batteries (LIBs) recycling: recent progress, and prospects](https://image.oaes.cc/f445d790-a608-4916-b015-ade3bf0db713/em4029.fig.17.jpg)
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].