Abstract
AbstractAmmonia is a basic industrial chemical, which is widely used in industry and agriculture. Traditional Haber–Bosch N2 fixation process is not environmentally friendly, which not only excessively consumes energy, but releases enormous amount of greenhouse gas. Electrochemical N2 reduction is an ideal alternative to N2 fixation, but it requires effective electrocatalyst for N2 reduction reaction (NRR). Herein, we develop a flower‐like β‐Bi2O3 catalyst for artificial N2 fixation with outstanding NRR performance and selectivity in ambient condition. This β‐Bi2O3 nanoflower shows an excellent NH3 yield of 19.92 μg h−1 mg−1cat. and Faradaic Efficiency of 4.3 % at −0.8 V in 0.1 M Na2SO4 solution, better than most reported NRR electrocatalysts. This electrocatalyst also exhibits superb electrochemical stability and durability.
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