Fig. 2: Morphology and elemental compositions of the electrocatalysts.
From: Efficient electrochemical production of glucaric acid and H2 via glucose electrolysis

SEM images of the NiFeOx-NF catalyst in low (a) and high (b) magnification; c EDS elemental mapping of the NiFeOx-NF catalyst; SEM images of the NiFeNx-NF catalyst in low (d) and high (e) magnification; and f EDS elemental mapping of the NiFeNx-NF catalyst.