fig11
Figure 11. (A) Electrostatic potential plots of N, S co-doping graphene structure with different ratios of pyridine N/graphite N 1:1, 2:1 and 1:2[153]; (B) Graphical abstract of BNF-LCFs[100]; (C) Graphical abstract of S-N-C materials[154]; (D) Illustration of BP-CN-c; (E) ZABs performance based on BP-CN-c[155]. BP: Black phosphorus. ZABs: zinc-air batteries; ORR: oxygen reduction reaction; OER: oxygen evolution reaction.
