Abstract
HighlightsSn-based MAX/MXene hybrids with abundant Sn vacancies, Sn@Ti2CTX/Ti2SnC–V, fabricated by controlled etching method, are demonstrated to be an excellent electrocatalyst for N2 electroreduction.An economic “NH3 farm” has been developed based on Sn@Ti2CTX/Ti2SnC–V electrode, demonstrated by a commercial electrochemical photovoltaic cell, which may open a novel avenue for solar energy-driven synthesis of ammonia directly from air and water.The potential of the “NH3 farm” was demonstrated by a systematic technical economic analysis.
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