fig7

Figure 7. A: Schematic illustration and optical photographs of the minimal architecture Zn-Br₂ battery without a separator. B: Schematic diagram of the structure and mechanism of the membraneless and flowless Zn-Br₂ battery with an NGF electrode. C: Schematic diagram of fabrication of Br-Ti₃C₂T_X and crystal structure of Br-Ti₃C₂T_X and adsorption energy of Br species on Ti₃C₂T_X and the charge-of-density patterns of Br species on Ti₃C₂T_X. D: Schematic diagram of the structure of the Zn-Br₂ battery with TPABr additive. E: Schematic illustration and electrochemical stability window of the Zn-Br₂ battery with the alkaline-acid hybrid electrolytes. Figures reproduced with permission from Biswas et al.^[68], Lee et al.^[30], Li et al.^[31], Gao et al.^[32] and Yu et al.^[54].