fig10

Figure 10. (A) Relative migration energy of solvated Zn²⁺ along the polyacrylamide/polyacrylonitrile (PAM/PAN) chain. (B) Schematic diagram of the Zn||PVA-PAM-PAN₃-Zn₂||V₂O₅ battery. (C) Rate performance of Zn||PVA-PAM-PAN₀-Zn₂||V₂O₅ and Zn||PVA-PAMPAN₃-Zn₂||V₂O₅ batteries. (A-C) Reproduced with permission from^[88]. Copyright 2024, Wiley-VCH GmbH. (D) Schematic illustration of Zn²⁺ deposition processes on bare Zn and Zn/CPZ-H anodes. (E) Schematic illustration of reversible Zn²⁺ intercalation/de-intercalation in a MnO₂ cathode during the electrochemical process. (F) Schematic diagram of the CPZ-H electrolyte recycling process and optical photographs of different stages during the recycling process. (G) Photographs of an elevator device powered by a Zn/rCPZ-H//MnO₂ full cell. (D-G) Reproduced with permission from^[89]. Copyright 2023, The Author(s). (H) MD simulation snapshots of saturated Zn(BF₄)₂-PAM hydrogel electrolyte and saturated ZnSO₄-PAM hydrogel electrolyte. (I) Long-term cycling performance at 1 A g^-1. (J) Cycling performance of anti-freezing flexible ZIBs at a current density of 50 mA g^-1 under different bending states at -70 °C. (H-J) Reproduced with permission from^[90]. Copyright 2023, Wiley-VCH GmbH. PVA: Poly(vinyl alcohol).