Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 15, Issue 4, Pages 487-489Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201901624
Keywords
ambient conditions; DyF3 nanoparticles; electrocatalysts; nitrogen fixation; N-2 reduction reaction; neutral electrolyte
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Funding
- National Natural Science Foundation of China [21575137]
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NH3 synthesis by the Haber-Bosch method is regarded as the dominant method in industry. Such a process is energy-intensive, accompanied by a large amount of CO2 emission. Electrocatalytic N-2 reduction is a sustainable avenue for NH3 production at ambient conditions. However, it needs a catalyst to boost the N-2 reduction reaction. Here, we demonstrate that DyF3 is an efficient electrocatalyst. In 0.1 m Na2SO4, DyF3 attains a large NH3 yield of 10.9 mu g h(-1) mg(cat.)(-1) at -0.45 V vs. the reversible hydrogen electrode, with the corresponding Faradaic efficiency of 8.8 %. Furthermore, this catalyst exhibits high electrochemical stability.
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