2020
DOI: 10.1002/asia.201901624
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DyF3: An Efficient Electrocatalyst for N2 Fixation to NH3 under Ambient Conditions

Abstract: 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 N2 reduction is a sustainable avenue for NH3 production at ambient conditions. However, it needs a catalyst to boost the N2 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 μg h−1 mg−1cat. at −0.45 V vs. the reversible hydrogen electrod… Show more

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Cited by 37 publications
(10 citation statements)
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“…The anodic electrocatalytic oxidation (ECO) reaction plays a crucial part in this field and is investigated extensively. [9,11,12] The oxygen evolution reaction (OER), a general anodic halfreaction, serves as the counter electrode in a series of electrocatalytic conversion technologies, such as electrocatalytic water splitting, [13,14] carbon dioxide reduction reaction (CO 2 RR), [15,16] nitrogen reduction reaction (NRR), [17][18][19] and nitrate reduction reaction (NO 3 − RR), [20][21][22] etc. Nevertheless, the sluggish kinetics of anodic OER leads to high overpotential, which largely restricts the overall electrocatalytic reaction rate.…”
mentioning
confidence: 99%
“…The anodic electrocatalytic oxidation (ECO) reaction plays a crucial part in this field and is investigated extensively. [9,11,12] The oxygen evolution reaction (OER), a general anodic halfreaction, serves as the counter electrode in a series of electrocatalytic conversion technologies, such as electrocatalytic water splitting, [13,14] carbon dioxide reduction reaction (CO 2 RR), [15,16] nitrogen reduction reaction (NRR), [17][18][19] and nitrate reduction reaction (NO 3 − RR), [20][21][22] etc. Nevertheless, the sluggish kinetics of anodic OER leads to high overpotential, which largely restricts the overall electrocatalytic reaction rate.…”
mentioning
confidence: 99%
“…Sun et al proposed DyF 3 as active NRR electrocatalyst. [ 265 ] When tested in 0.1 m Na 2 SO 4 , DyF 3 delivered 8.8% efficiency at −0.45 V. This work not only shows Dy is NRR active catalyst but also opens a new window to extend the work on Dy and other lanthanides.…”
Section: Transition Metals or Elementsmentioning
confidence: 78%
“…Besides Fe and Mo, Zr, Ti, Nb, Co, [44] Ni, [45] and Dy [46] are also reported in NRR. Xian et al reported that 8 mol% Y 2 O 3 doped zirconia nanoparticles (8YSZ-NPs) were used as a noble-metal free catalyst for the conversion of nitrogen to ammonia, achieving high faradic efficiency of 12.3% and an NH 3 yield of 10.84 μg h À 1 mg cat À 1 in 0.1 M Na 2 SO 4 .…”
Section: Other Transition Metal Containing Catalystsmentioning
confidence: 96%