fig14

Figure 14. Bifunctional Separator with polar interlayers for Na-S batteries. (A) Selective Na⁺ transport mechanism schematic of HB/CNT@COF and voltage rate performances of symmetric Na-S cells with HB/CNT@COF modified separator. (B) Schematic of Na-S batteries equipped with PZM@LE separator. This figure is quoted with permission from Chen et al.^[133], and Xu et al.^[134], respectively.