Electrochemical N2 reduction reaction (E-NRR) has recently gained increasing interest within the scientific community, due to the ongoing energy crisis and pursuit of process sustainability. In this scenario, emerging lithium-mediated (Li-m) strategies are obtaining promising Faradaic efficiency (FE) and NH3 production rate values. In this work, the Li-m scenarios are classified and explained toward a more sustainable process. Continuous processes, with a lithium salt and a proton donor in an electrolytic cell, are analyzed and compared with stepwise pathways. Different parameters are summarized in relation to the system stability, for which the importance of a tailored solid electrolyte interphase (SEI) layer emerged. Among stepwise processes, the thermochemical direct nitridation of lithium is discussed together with the recently developed Galvanic Li─N2 cell strategy.
Lithium-mediated nitrogen reduction for ammonia synthesis: reviewing the gap between continuous electrolytic cells and stepwise processes through galvanic Li─N2 cells / Mangini, A.; Fagiolari, L.; Sacchetti, A.; Garbujo, A.; Biasi, P.; Bella, F.. - In: ADVANCED ENERGY MATERIALS. - ISSN 1614-6832. - ELETTRONICO. - 14:25(2024), pp. 1-31. [10.1002/aenm.202400076]
Lithium-mediated nitrogen reduction for ammonia synthesis: reviewing the gap between continuous electrolytic cells and stepwise processes through galvanic Li─N2 cells
A. Mangini;L. Fagiolari;F. Bella
2024
Abstract
Electrochemical N2 reduction reaction (E-NRR) has recently gained increasing interest within the scientific community, due to the ongoing energy crisis and pursuit of process sustainability. In this scenario, emerging lithium-mediated (Li-m) strategies are obtaining promising Faradaic efficiency (FE) and NH3 production rate values. In this work, the Li-m scenarios are classified and explained toward a more sustainable process. Continuous processes, with a lithium salt and a proton donor in an electrolytic cell, are analyzed and compared with stepwise pathways. Different parameters are summarized in relation to the system stability, for which the importance of a tailored solid electrolyte interphase (SEI) layer emerged. Among stepwise processes, the thermochemical direct nitridation of lithium is discussed together with the recently developed Galvanic Li─N2 cell strategy.File | Dimensione | Formato | |
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424) A. Mangini et al., Adv. Energy Mater. 14 (2024) art. no. 2400076.pdf
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https://hdl.handle.net/11583/2991102