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  • Title: Ambient Ammonia Synthesis via Nitrate Electroreduction in Neutral Media on Fe3O4 Nanoparticles-decorated TiO2 Nanoribbon Array.
    Author: He X, Li J, Li R, Zhao D, Zhang L, Ji X, Fan X, Chen J, Wang Y, Luo Y, Zheng D, Xie L, Sun S, Cai Z, Liu Q, Ma K, Sun X.
    Journal: Inorg Chem; 2023 Jan 09; 62(1):25-29. PubMed ID: 36537850.
    Abstract:
    Electrochemical nitrate (NO3-) reduction is a potential approach to produce high-value ammonia (NH3) while removing NO3- pollution, but it requires electrocatalysts with high efficiency and selectivity. Herein, we report the development of Fe3O4 nanoparticles decorated TiO2 nanoribbon array on titanium plate (Fe3O4@TiO2/TP) as an efficient electrocatalyst for NO3--to-NH3 conversion. When operated in 0.1 M phosphate-buffered saline and 0.1 M NO3-, such Fe3O4@TiO2/TP achieves a prominent NH3 yield of 12394.3 μg h-1 cm-2 and a high Faradaic efficiency of 88.4%. In addition, it exhibits excellent stability during long-time electrolysis.
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