fig12

Figure 12. (A) (a) SEM image of NiS₂-CoS₂@NC; (b) Initial discharge/charge curves; (c) Density of states with dotted lines identified as the d-band centers of different catalysts^[194]. Copyright 2023, Wiley-VCH. (B) (a) SEM image of Ag-SnSe₂; (b) Initial discharge/ charge profiles of different cathodes at 100 mA g^-1 with a voltage range from 2.35 to 4.35 V; (c) Calculated energy diagram of Ag-(001) plane in ORR and OER processes^[201]. Copyright 2022, Wiley-VCH. (C) (a) TEM image of N-TiO₂/Ti₃C₂T_x; (b) Discharge-charge curves of the first cycle in various samples; (c) Gibbs free energy diagrams for N-TiO₂/Ti₃C₂T_x^[203]_. Copyright 2022, the American Chemical Society.