fig9

Figure 9. (A) TEM image of l-Rh metallene^[100]; (B) Cycle stability of MIL-(IrNiFe)@NF-based HOAHP devices at 0.69 V in seawater^[101]; (C) The DOS change after Ru-doped of Ru-FeP₄/IF^[59]; (D) Electricity expense of Fe-CoNiP@NC-based HOAHP and OWS devices^[102]; (E) TEM image of MoNi@NF^[103]; (F) The scheme and optical images of Mo-Ni₃N/Ni/NF-based HOAHP with driving by used AAA batteries^[104]; (G) Optical images of comparison of wastewater degradation with Fe/F-Ni₂P@NC as catalysts at different times^[105]. DOS: Density of states; HOAHP: hydrazine oxidation-assisted H₂ production; l-Rh metallene: low-crystalline Rh metallene; OWS: overall water splitting; TEM: transmission electron microscopy.