fig5

Figure 5. (A) The visualized adsorption test of Li₂S₆; (B) UV-vis spectra after adsorption for 24 h; (C)long-term cycling performance of the Li-S cells with aCoP@CNTs modified separator under high sulfur loading; (D) top and side view of PSs molecule on aCoP surfaces; (E) adsorption energy between Li₂S_x (x = 2,4 and 6) and aCoP@CNTs and cCoP @CNTs surface; (F) schematic diagram of the Li-S batteries with (right) and without (left) aCoP@CNTs modified separator.