fig1
Figure 1. (A) XRD patterns of MnFeCoNi/NC and CrMnFeCoNi-(CrOx)1/NC; (B and C) SEM images of CrMnFeCoNi-(CrOx)1/NC on CB@NF; (D) HR-TEM image and (E) HAADF-STEM image of CrMnFeCoNi-(CrOx)1/NC nanoparticle; (F) TEM-EDS elemental mapping of CrMnFeCoNi-(CrOx)1/NC nanoparticle; (G and H) TEM elemental line scan of CrMnFeCoNi-(CrOx)1/NC nanoparticle. XRD: X-ray diffraction; HR-TEM: high-resolution-transmission electron microscopy; HAADF-STEM: high-angle annular dark-field scanning transmission electron microscopy; TEM-EDS: transmission electron microscopy-energy dispersive X-ray spectroscopy; SEM: scanning electron microscope.
