期刊
CHEMSUSCHEM
卷 -, 期 -, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.202300505
关键词
ammonia synthesis; Ni nanoparticle; 3D framework; porous carbon; electrochemical nitrite reduction
In this study, Ni nanoparticles strutted 3D honeycomb-like porous carbon framework (Ni@HPCF) was fabricated and used as a high-efficiency electrocatalyst for the selective reduction of nitrite to ammonia. The Ni@HPCF electrode achieved a significant ammonia yield of 12.04 mg h(-1) mg(cat.)(-1) and a Faradaic efficiency of 95.1% in 0.1 M NaOH with nitrite, demonstrating good long-term electrolysis stability.
Electroreduction of nitrite (NO2-) to ammonia (NH3) provides a sustainable approach to yield NH3, whilst eliminating NO2- contaminants. In this study, Ni nanoparticles strutted 3D honeycomb-like porous carbon framework (Ni@HPCF) is fabricated as a high-efficiency electrocatalyst for selective reduction of NO2- to NH3. In 0.1 M NaOH with NO2-, such Ni@HPCF electrode obtains a significant NH3 yield of 12.04 mg h(-1) mg(cat.)(-1) and a Faradaic efficiency of 95.1 %. Furthermore, it exhibits good long-term electrolysis stability.
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