fig12

Figure 12. (A) The schematic illustration for preparing FeNi-MOF and A-FeNi with a photograph of A-FeNi for scale-up synthesis; (B) LSV curves towards OER; (C) Tafel slope; (D) Durability test for A-FeNi at 100 mA·cm^-2; (E) Gibbs free energy diagram for A-FeNi at Ni and Fe sites, respectively; (F) Comparison of the OER electrocatalytic properties of A-FeNi to other amorphous catalysts. (A)-(F) were reproduced with permission^[107]. Copyright 2021, Wiley-VCH. MOF: Metal-organic framework; LSV: linear sweep voltammetry; OER: oxygen evolution reaction.