Proceedings of MATSUS Fall 2023 Conference (MATSUSFall23)
DOI: https://doi.org/10.29363/nanoge.matsus.2023.092
Publication date: 18th July 2023
Electrochemical reduction of NOx, CO2, N2, and combinations hold the promise to be a cornerstone for the sustainable production of fuels and chemicals. Importantly, all reactions share a direct competition with hydrogen, and furthermore, several products are formed from each reactant of these reactants.
For electrochemical N2 reduction to ammonia (NH3) the interest at ambient conditions is burgeoning [1-3]. Most interesting for the direct electrochemical N2 reduction in aqueous, there is no working catalyst similar to “copper” for CO2 reduction catalyst [4-6]. Instead, the electrochemical reaction is today limited to the non-aqueous lithium-mediated system.
In this talk, I will give a unified approach to these reduction reactions versus hydrogen in aqueous and discuss what it takes to reduce nitrogen electrochemically.
[1] Andersen, Čolić, Yang, Schwalbe, Nielander, McEnaney, Enemark-Rasmussen, Baker, Singh, Rohr, Statt, Blair, Mezzavilla, Kibsgaard, Vesborg, Cargnello, Bent, Jaramillo, Stephens, Nørskov, Chorkendorff, Nature, 2019, 570, 504-508.
[2] H.-L. Du, M. Chatti, R. Y. Hodgetts, P. V. Cherepanov, C. K. Nguyen, K. Matuszek, D- R. MacFarlane, A. N. Simonov. Nature, 2022, 609, 722–727
[3] M. Spry, O. Westhead, R. Tort, B. Moss, Y. Katayama, M.-M. Titirici, I. E. L. Stephens, and A. Bagger, ACS Energy Letters, 2023, 8 (2), 1230-1235
[4] Y. Hori et. al., Journal of the Chemical Society, Faraday Transactions, 1989, 85, 2309-2326.
[5] A. Bagger, W. Ju, AS Varela, P. Strasser, J. Rossmeisl., ChemPhysChem, 2017, 18, 3266–3273.
[6] A. Bagger, H. Wan, I.E.L. Stephens, J. Rossmeisl, ACS Catalysis, 2021, 11 (11), 6596-6601
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