fig2

Figure 2. (A) The synthesis of PdRuO_x materials; (B) HRTEM image of Pd₂RuO_x-0.5 h. (Reproduced with permission^[51]. Copyright 2023, WILEY-VCH). (C) Chronopotentiometry measurement results for a/c-RuO₂ and commercial RuO₂ at 10 mA cm^-2 in 0.1 M HClO₄. (Reproduced with permission^[52]. Copyright 2021, WILEY-VCH). (D) High-magnification SEM images of Pt-a/c-NiCoHPi. (Reproduced with permission^[53]. Copyright 2023, WILEY-VCH ). (E) Schematic illustration of the size-controllable synthesis of a-PdCu nanoparticles. (F) FE of different products; (G) Gibbs free energy diagram of the EOR on a-PdCu and c-PdCu model catalysts in the C1 path. (Reproduced with permission^[54]. Copyright 2022, American Chemical Society).