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Formic acid (FA) has been extensively studied as one of the most promising hydrogen energy carriers today. The catalytic decarboxylation of FA ideally leads to the formation of CO2 and H2 that can be applied in fuel cells. A large number of transition‐metal based homogeneous catalysts with high activity and selectivity have been reported for the selective FA dehydrogentaion. In this review, we discussed the recent development of C,N/N,N‐ligand and pincer ligand‐based homogeneous catalysts for the FA dehydrogenation reaction. Some representative catalysts are further evaluated by the CON/COF assessment (catalyst on‐cost number)/(catalyst on‐cost frequency). Conclusive remarks are provided with future challenges and opportunities. [ABSTRACT FROM AUTHOR]

Keywords: formic acid; hydrogen energy carrier; homogeneous catalysis EN formic acid hydrogen energy carrier homogeneous catalysis 933 933 1 04/08/20 20200401 NES 200401 B Fueling the future b : Formic acid (FA) has been extensively studied as one of the most promising hydrogen energy carriers. In this Minireview, the recent development of C,N/N,N-ligand and pincer ligand-based homogeneous catalysts for the FA dehydrogenation reaction were discussed and further evaluated by the CON/COF assessment (catalyst on-cost number)/(catalyst on-cost frequency). Formic acid, hydrogen energy carrier, homogeneous catalysis. [Extracted from the article]