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Issue 68, 2019
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Boosting electrocatalytic nitrogen fixation via energy-efficient anodic oxidation of sodium gluconate

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Abstract

Here, we report an anodic replacement of the water oxidation reaction with more readily oxidizable species to facilitate ambient electrocatalytic nitrogen reduction reaction (NRR). A self-supported catalyst, CuII–MOF on carbon cloth (JUC-1000/CC), acts as a versatile cathode and anode for both NRR and electro-oxidation of sodium gluconate to glucaric acid. Impressively, the two-electrode system requires a potential of only 0.4 V to achieve an NH3 yield rate of 24.7 μg h−1 mgcat−1, an FE of 11.90% and an SA selectivity of 96.96%, and shows strong electrochemical stability. This study reveals that the strategy avoids the sacrifice of the NH3 yield to increase FE, and offers an efficient and simultaneous electrosynthesis of NH3 and SA.

Graphical abstract: Boosting electrocatalytic nitrogen fixation via energy-efficient anodic oxidation of sodium gluconate

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Publication details

The article was received on 07 Jun 2019, accepted on 19 Jul 2019 and first published on 19 Jul 2019


Article type: Communication
DOI: 10.1039/C9CC04378K
Chem. Commun., 2019,55, 10170-10173

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    Boosting electrocatalytic nitrogen fixation via energy-efficient anodic oxidation of sodium gluconate

    L. Zhao, X. Kuang, C. Chen, X. Sun, Z. Wang and Q. Wei, Chem. Commun., 2019, 55, 10170
    DOI: 10.1039/C9CC04378K

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