fig12

Figure 12. (A) Schematic illustration of preparation of CS/SA-1 and CS/CBD-2; (B) Proposed proton transfer mechanism of the SA-1 and CBD-2 composite membrane. (Reproduced with permission^[63]. Copyright 2023, American Chemical Society); (C) The preparation of composite material improves the proton conductivity. (Reproduced with permission^[64]. Copyright 2024, American Chemical Society); (D) The proton conductivity is further improved by establishing additional proton transport channels. (Reproduced with permission^[65]. Copyright 2024, Elsevier).