fig7

Figure 7. Effect of composition proportion and structure design on the electrocatalytic performance of Pd-based nitrides. (A) TEM image of Pd₂N nanocrystal with inset EDS mappings diagram; (B) ORR polarization curves in 0.1 M KOH of Pd-based nitrides with different nitrogen content and other counterparts; (C) the stability tests of the catalysts in Figure 7B; (A-C) reproduced with permission from^[128]: Copyright 2021, The Royal Society of Chemistry; (D) diagram of the electrocatalytic mechanism of meso-PdN NCs for selective NO₃- to -NH₃ electrocatalysis. Reproduced with permission from^[129]: Copyright 2022, Wiley-VCH; (E) TEM image of Cu₃PdN nanocrystals with insert antiperovskite-type Cu₃PdN structure model; (F) ORR polarization curves of Cu₃PdN, Cu₃N, and Pd nanoparticle in 0.1 M KOH; (G) the relation between mass activity and cycle numbers of Cu₃PdN and Pd; (E-G) reproduced with permission from^[130]: Copyright 2014, American Chemical Society.