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  • Title: A prolific catalyst for dehydrogenation of neat formic acid.
    Author: Celaje JJ, Lu Z, Kedzie EA, Terrile NJ, Lo JN, Williams TJ.
    Journal: Nat Commun; 2016 Apr 14; 7():11308. PubMed ID: 27076111.
    Abstract:
    Formic acid is a promising energy carrier for on-demand hydrogen generation. Because the reverse reaction is also feasible, formic acid is a form of stored hydrogen. Here we present a robust, reusable iridium catalyst that enables hydrogen gas release from neat formic acid. This catalysis works under mild conditions in the presence of air, is highly selective and affords millions of turnovers. While many catalysts exist for both formic acid dehydrogenation and carbon dioxide reduction, solutions to date on hydrogen gas release rely on volatile components that reduce the weight content of stored hydrogen and/or introduce fuel cell poisons. These are avoided here. The catalyst utilizes an interesting chemical mechanism, which is described on the basis of kinetic and synthetic experiments.
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