Journal
INORGANIC CHEMISTRY FRONTIERS
Volume 4, Issue 7, Pages 1120-1124Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7qi00185a
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Developing highly efficient and non-noble-metal catalysts is of great importance for electrochemical energy storage and conversion. In this communication, we report the development of a porous Ni3N nanosheet array on carbon cloth (Ni3N NA/CC) as a high-performance and durable electrocatalyst for urea oxidation. To drive 10 mA cm(-2), this Ni3N NA/CC only demands a potential of 1.35 V in 1.0 M KOH with 0.33 M urea. The high catalytic activity of the hydrogen evolution reaction enables Ni3N NA/CC as a bifunctional catalyst electrode for electrochemical hydrogen production and the two-electrode electrolyzer is capable of offering 10 mA cm(-2) at a cell voltage of only 1.44 V, 120 mV less than that for the ureafree counterpart.
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