fig20

Figure 20. (A) N,S-G membrane as an interlayer for trapping polyselenides; (B) The freestanding N,S-G membrane; (C) Rate performance of Li-Se cells with and without N,S-G interlayer; (D) Long-term cycling performance of Li-Se cells with and without N,S-G interlayer; (E) Digital photographs of polyselenide adsorption by N,S-G interlayers^[134], Copyright 2018, Springer. (F) Rate capability of the optimized Li-Se battery at various C-rates; (G) Cycling performances of the Se/PCC-2PAN and Se/PCC-0PAN systems at 0.5 C; (H) Preparation process for the Se/PCC cathode and PAN interlayer, and the brief model of the assembled Li-Se battery^[135]. Copyright 2019, American Chemical Society.