Ambient electrochemical NH3 synthesis from N2 and water enabled by ZrO2 nanoparticles?
Chemical Communications Pub Date: 2020-02-24 DOI: 10.1039/C9CC10087C
Abstract
Industrially, artifical N2 fixation to NH3 mainly relies on the Haber–Bosch process which is operated in a harsh environment with large energy consumption and heavy serious greenhouse gas emission. Electrochemical N2 reduction offers a carbon-neutral and energy-saving method for NH3 synthesis under ambient conditions. Herein, we demonstrate the first use of ZrO2 nanoparticles as an earth-abundant electrocatalyst for NH3 synthesis from N2 and water under ambient conditions. In 0.1 M HCl, the electrocatalyst presents a large NH3 yield rate of 24.74 μg h?1 mgcat.?1 with a faradaic efficiency of 5.0% at ?0.45 V vs. the reversible hydrogen electrode. It also demonstrates high electrochemical stability and excellent selectivity for NH3 generation.
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Journal Name：Chemical Communications
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CAS no.: 89640-58-4
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