Stability of the (FeCoNiCu)Ox/CeO2 electrocatalyst. (A) FENH3 and rNH3 during 10 h of electrocatalysis at 200 mA cm−2. (B) XRD patterns and (C) EDS elemental mapping before and after 10 h of electrocatalysis. (IMAGE)

Science China Press

Stability of the (FeCoNiCu)Ox/CeO2 electrocatalyst. (A) FENH3 and rNH3 during 10 h of electrocatalysis at 200 mA cm−2. (B) XRD patterns and (C) EDS elemental mapping before and after 10 h of electrocatalysis.

Caption

During the 10 h of electrocatalysis at 200 mA cm−2, the FENH3 and rNH3  demonstrate remarkable stability. The XRD pattern reveals that the position and shape of the peaks remain largely unaltered before and after electrocatalysis. The EDS elemental mapping of the (FeCoNiCu)Ox/CeO2 electrocatalyst after electrocatalysis clearly displays identical element distribution as before electrocatalysis. These results suggests that excellent stability of the (FeCoNiCu)Ox/CeO2 electrocatalyst.

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