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Issue 30, 2018
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Ambient N2 fixation to NH3 electrocatalyzed by a spinel Fe3O4 nanorod

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Abstract

Industrially, NH3 is mainly produced via the Haber–Bosch process which is not only energy-consuming but emits a large amount of CO2. Electrochemical reduction is regarded as an environmentally-benign alternative for sustainable NH3 synthesis, and its efficiency heavily depends on the identification of Earth-abundant catalysts with high activity for the N2 reduction reaction (NRR). In this work, we report that a spinel Fe3O4 nanorod on a Ti mesh (Fe3O4/Ti) acts as an efficient and durable NRR electrocatalyst under ambient conditions. When tested in 0.1 M Na2SO4, such Fe3O4/Ti achieves a high faradaic efficiency of 2.6% and a NH3 yield 5.6 × 10−11 mol s−1 cm−2 and at −0.4 V vs. a reversible hydrogen electrode.

Graphical abstract: Ambient N2 fixation to NH3 electrocatalyzed by a spinel Fe3O4 nanorod

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Publication details

The article was received on 04 Jun 2018, accepted on 09 Jul 2018 and first published on 09 Jul 2018


Article type: Communication
DOI: 10.1039/C8NR04524K
Citation: Nanoscale, 2018,10, 14386-14389
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    Ambient N2 fixation to NH3 electrocatalyzed by a spinel Fe3O4 nanorod

    Q. Liu, X. Zhang, B. Zhang, Y. Luo, G. Cui, F. Xie and X. Sun, Nanoscale, 2018, 10, 14386
    DOI: 10.1039/C8NR04524K

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