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Sn dendrites for electrocatalytic N2 reduction to NH3 under ambient conditions

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Abstract

Industrial-scale synthesis of NH3 mainly relies on the energy-intensive Haber–Bosch technology, which not only needs harsh conditions but also produces a large amount of CO2. Electrochemical N2 reduction is regarded as an environmentally friendly method for artificial N2-to-NH3 conversion, but needs efficient catalysts for the N2 reduction reaction (NRR). Here, we report that Sn dendrites on Sn foil act as a non-noble-metal electrocatalyst for the electrochemical NRR under ambient conditions. This electrocatalyst affords an NH3 yield of 5.66 × 10−11 mol s−1 cm−2 and a Faraday efficiency of 3.67% at −0.60 V versus the reversible hydrogen electrode in 0.1 M PBS (pH = 7.0), with high electrochemical durability.

Graphical abstract: Sn dendrites for electrocatalytic N2 reduction to NH3 under ambient conditions

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Supplementary files

Article information


Submitted
02 Jun 2020
Accepted
29 Jun 2020
First published
30 Jun 2020

Sustainable Energy Fuels, 2020, Advance Article
Article type
Communication

Sn dendrites for electrocatalytic N2 reduction to NH3 under ambient conditions

X. Lv, F. Wang, J. Du, Q. Liu, Y. Luo, S. Lu, G. Chen, S. Gao, B. Zheng and X. Sun, Sustainable Energy Fuels, 2020, Advance Article , DOI: 10.1039/D0SE00828A

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