fig7

Figure 7. (A) The concentration distribution cloud map of Zn²⁺ in different electrolytes at 5 mA cm^-2 via numerical simulations^[105]. (B) Macroscopic optical observation photographs at 5 mA cm^-2 and 2 mAh cm^-2 in different electrolytes^[105]. (C) Variation curves of four important parameters (k_a, k_s, k_m, and p_h)^[105]. (A-C) Reproduced with permission from^[105]. Copyright 2024, KeAi Publishing. (D) Schematic diagram of the observation mechanism using laser scanning confocal microscopy^[108]. (E) Fluorescence emission spectra of 1 M ZnSO₄ with 500 μM HPTS in the pH range of 2.64 to 5.25^[108]. (F) The pH distribution around the air electrode charging at 0.05 mA cm^-2 obtained by CLSM^[108]. (D-F) Reproduced with permission from^[108]. Copyright 2024, American Chemical Society.