fig1

From: Synergistic anionic and cationic co-doping in cobalt hydroxide for enhanced hydrogen production coupled with urea electrooxidation

Figure 1. (A) Schematic illustration of S,W-Co(OH)₂/NF; (B) XRD analysis of Co(OH)₂/NF and S,W-Co(OH)₂/NF; (C and D) SEM images; (E and F) TEM images; (G) HRTEM analysis of S,W-Co(OH)₂/NF; (H) EDS with corresponding elemental mapping images. CE: Counter electrode; RE: reference electrode; WE: working electrode; NF: nickel foam; XRD: X-ray diffraction; SEM: scanning electron microscopy; TEM: transmission electron microscopy; HRTEM: high-resolution transmission electron microscopy; EDS: energy-dispersive spectroscopy.