Electrochemical reduction of N2, mediated by Li, offers promise to decarbonize NH3 production, yet interfacial dynamics in such systems are poorly understood. Now, the morphology of the solid-electrolyte interphase layer formed during N2 reduction is revealed, opening opportunities to elucidate by-product formation mechanisms and improve NH3 selectivity.
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McShane, E.J., Cargnello, M. The mosaic art of interphases. Nat Energy 8, 115–116 (2023). https://doi.org/10.1038/s41560-022-01192-6