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Ambient dinitrogen electrocatalytic reduction for ammonia synthesis

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Abstract

Ammonia holds considerable significance for modern human community and the natural world. Ambient electrochemical NH3 synthesis powered by renewable energy rather than the energy-intensive Haber–Bosch process is promising for the future development of a sustainable society. Developing highly efficient electrocatalysts with low overpotential, considerable selectivity, and faradaic efficiency is, therefore, necessary, yet formidably challenging. In this review, various advanced technologies and available electrocatalytic materials for ammonia synthesis under mild conditions are briefly reviewed based on both experimental and theoretical studies. Three categories, namely, noble-metal-, nonnoble-metal-, and carbon-based materials, have been mainly reviewed, and certain inspiring strategies in improving the efficiency have been proposed to promote the future development of electrochemical ammonia synthesis. Finally, conclusions and perspectives are provided for the continuous innovation of highly effective electrocatalysis in ambient N2 reduction and NH3 synthesis for a sustainable society.

Graphical abstract: Ambient dinitrogen electrocatalytic reduction for ammonia synthesis

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Publication details

The article was received on 23 May 2019, accepted on 25 Jun 2019 and first published on 25 Jun 2019


Article type: Review Article
DOI: 10.1039/C9TA05505C
J. Mater. Chem. A, 2019, Advance Article

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    Ambient dinitrogen electrocatalytic reduction for ammonia synthesis

    A. Chen and B. Y. Xia, J. Mater. Chem. A, 2019, Advance Article , DOI: 10.1039/C9TA05505C

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