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Electrocatalytic N2 reduction to NH3 with high Faradaic efficiency enabled by vanadium phosphide nanoparticle on V foil
Ist Teil von
Nano research, 2020-11, Vol.13 (11), p.2967-2972
Ort / Verlag
Beijing: Tsinghua University Press
Erscheinungsjahr
2020
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
To develop highly efficient electrochemical catalysts for N
2
fixation is important to sustainable ambient NH
3
production through the N
2
reduction reaction (NRR). Herein, we demonstrate the development of vanadium phosphide nanoparticle on V foil as a high-efficiency and stable catalyst for ambient NH
3
production with excellent selectivity. The high Faradaic efficiency of 22% with a large NH
3
yield of 8.35 × 10
−11
mol·s
−1
·cm
−2
was obtained at 0 V vs. the reversible hydrogen electrode in acid solution, superior to all previously studied V-based NRR catalysts. Density functional theory calculations are also utilized to have an insight into the catalytic mechanism.