Abstract
Various methods for ammonia production are being studied world wide. The electrochemical nitrogen reduction reaction (eNRR) has been considered an ideal eco-friendly approach for ammonia production. In this study, we proposed a nitrogen-impregnated carbon coating strategy to increase the activity of TiO2-based catalysts for eNRR. Electrochemical measurements revealed that TiO2@N-C resulted in a higher ammonia yield rate (5.302 μg h−1 cm−2) and enhanced Faradaic efficiency (2.46%) at −0.1 V vs. reversible hydrogen electrode in 0.1 M KOH electrolyte. The N-impregnated carbon coating enhanced electron conductivity and electrocatalytic activity, which indicates better performance of the eNRR.
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