期刊
ACS ENERGY LETTERS
卷 4, 期 9, 页码 2091-2095出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsenergylett.9b01517
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- TKI-Energie from Toeslag voor Topconsortia voor Kennis en Innovatie (TKI) from the Ministry of Economic Affairs and Climate Policy
With increasing global interest in renewable energy technology given the backdrop of climate change, storage of electrical energy has become particularly relevant. Most sustainable technologies (e.g., wind and solar) produce electricity intermittently. Thus, converting electrical energy and base molecules (i.e., H2O, N-2) into energy-rich ones (e.g., H-2, NH3) or chemical feedstock (e.g., NO) is of paramount importance. While H2O splitting is compatible with renewable electricity, N-2 fixation is currently dominated by thermally activated processes. In this work, we demonstrate an all electric route for simultaneous NO and H-2 production. In our approach, H2O is reduced to H-2 in the cathode of a solid oxide electrolyzer while NO is produced in the anode by the reaction of O2- species (transported via the electrolyte) and plasma-activated N-2 species. High faradaic efficiencies up to 93% are achieved for NO production at 650 degrees C, and NO concentration is >1000 times greater than the equilibrium concentration at the same temperature and pressure.
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