fig15

Figure 15. (A) Synthesis of the Fe/Fe₃C@N-C catalyst; (B) XRD patterns of the as-prepared samples; (C) TEM and (D) HAADF-STEM images of Fe/Fe₃C@N-C; (E) LSV curves of Fe/Fe₃C@N-C in O₂-saturated 0.1 KOH; (F) discharge polarization curves and power density curves; (G) Galvanostatic cycling stability of the as-prepared samples under 10 mA cm^-2 charge and discharge conditions (A-G reproduced with permission from Wiley-VCH, copyright 2024)^[163]. HAADF-STEM: High-angle annular dark field-scanning transmission electron microscopy; XRD: X-ray diffraction.