Journal
NANOTECHNOLOGY
Volume 31, Issue 29, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/ab814e
Keywords
electrocatalysis; nitrogen reduction reaction; Ru NPs
Funding
- National Key Scientific Instrument and Equipment Development Project of China [21627809]
- National Natural Science Foundation of China [21575050, 21777056]
- Jinan Scientific Research Leader Workshop Project [2018GXRC024]
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Ammonia synthesis, one of the most challenging chemical synthesis processes, plays a vital role in the development of human industry and agriculture. Compared with the industrial Harber-Bosch ammonia process with huge energy input and high CO2 emissions, the search for a resource-saving, environmentally-friendly ammonia synthesis alternative is extremely urgent. Electrocatalytic nitrogen reduction appears to be a good candidate. In this communication, we report the development of ruthenium nanoparticles as a highly efficient and durable nitrogen reduction reaction (NRR) electrocatalyst in acidic electrolyte under ambient conditions. Such electrochemical NRR catalyst exhibits a large NH3 formation rate (24.88 mu g h(-1) mg(cat.)(-1)) with Faradaic efficiency (0.35%) at -0.15 V versus reversible hydrogen electrode, outperforming many reported NRR electrocatalysts. Note that it exhibits high durability and stability during the entire electrochemical NRR process.
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