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- W3169913493 abstract "Electrochemical reduction of dinitrogen (N2) to ammonia (NH3) at the ambient condition is a promising alternative to the traditional Haber-Bosch process due its energy-saving and eco-friendly natures. However, the extremely stable NN triple-bonds in N2 molecules and the competitive hydrogen evolution reaction (HER) have been regarded as the two essential issues in the electrocatalytic nitrogen reduction reaction (eNRR), making the simultaneous achievement of a high NH3 yield rate and a satisfactory Faradaic efficiency (FE) very difficult. To address this issue, we herein report a metal-free electrocatalyst, the boron-doped carbon nanosphere, to effectively activate the NN triple-bonds and suppress the HER during the eNRR process. In this protocol, the B–C configurations can be easily tailored by simply changing the boron precursor amount, and the one that is (i.e., BC3) beneficial to the enhancement of eNRR can achieve the maximum relative content of ∼43% in the optimum sample. Under this boron-doping amount, the material simultaneously delivers a high NH3 yield of 33.8 μg h−1 mg−1cat and a high FE of 39.2% at −0.7 V vs. reversible hydrogen electrode, accompanied with a superior stability for a continuous eNRR. This study thus offers an efficient, stable, and low-cost carbon-based catalyst for eNRR." @default.
- W3169913493 created "2021-06-22" @default.
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- W3169913493 date "2021-09-01" @default.
- W3169913493 modified "2023-10-16" @default.
- W3169913493 title "Boron-doped carbon nanospheres for efficient and stable electrochemical nitrogen reduction" @default.
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- W3169913493 doi "https://doi.org/10.1016/j.carbon.2021.05.060" @default.
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