Fig. 1: Electron spectroscopy of the NiCuCr/C catalysts. | Nature Communications

Fig. 1: Electron spectroscopy of the NiCuCr/C catalysts.

From: Tuning the apparent hydrogen binding energy to achieve high-performance Ni-based hydrogen oxidation reaction catalyst

Fig. 1

a TEM image of NiCuCr/C. The bottom left insert is a statistical histogram of the size of the particles. The upper right insert is the selected area electron diffraction pattern of NiCuCr/C. b The XRD pattern of NiCuCr/C. c HAADF-STEM image of a NiCuCr nanoparticle. Right enlarged areas show the lattice fringes. d HAADF-STEM elemental mapping image of a NiCuCr nanoparticle.

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