fig6

Figure 6. (A) Scheme of gel electrolyte synthesis process, (B) transmission electron microscopy (TEM) of gel electrolytes, (C) electrochemical reaction mechanism of the hybrid Na-CO₂ battery with gel electrolytes, and (D) cycling performance of the hybrid Na-CO₂ battery. (A-D) Reprinted with permission from Ref.^[32]. Copyright © 2022 Elsevier; Plots of (E) specific capacities, (F) power densities, and (G) cycling performance of hybrid Na-CO₂ batteries, and (H) schematic illustration of the proposed Na⁺ diffusion in different electrolytes. (E-H) Reprinted with permission from Ref.^[33]. Copyright © 2023 Elsevier. CNT: Carbon nanotube; TEGDME: tetraethylene glycol dimethyl ether; NCF: N-doped carbon framework.