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. 2019 Feb 1;6(4):730–738. doi: 10.1093/nsr/nwz019

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© The Author(s) 2019. Published by Oxford University Press on behalf of China Science Publishing & Media Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits non-commercial reuse, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 1. — (a) Schematic illustration for as-proposed Strategy I. (b) Linear sweep voltammetric curves of platinum foil in Ar-saturated (blue line) and air-saturated (red line) electrolyte. (c) Yields of and Faradaic efficiencies after potentiostatic test at given potentials. (d) The cycling tests of N₂ electrooxidation over the same piece of Pt electrode. (e) Calculated free-energy diagram for N₂ electrooxidation over platinum foil. Ball-and-stick model in (b) and (e): blue ball (N atom), red ball (O atom), pink ball (H atom) and green ball (Pt atom).

Inline graphic — (a) Schematic illustration for as-proposed Strategy I. (b) Linear sweep voltammetric curves of platinum foil in Ar-saturated (blue line) and air-saturated (red line) electrolyte. (c) Yields of and Faradaic efficiencies after potentiostatic test at given potentials. (d) The cycling tests of N₂ electrooxidation over the same piece of Pt electrode. (e) Calculated free-energy diagram for N₂ electrooxidation over platinum foil. Ball-and-stick model in (b) and (e): blue ball (N atom), red ball (O atom), pink ball (H atom) and green ball (Pt atom).