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Homogeneously catalysed conversion of aqueous formaldehyde to H2 and carbonate

Author

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  • M. Trincado

    (Laboratory of Inorganic Chemistry)

  • Vivek Sinha

    (Supramolecular and Homogeneous Catalysis Group, van ’t Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam)

  • Rafael E. Rodriguez-Lugo

    (Labotatorio de Química Bioinorgánica, Centro de Química, Instituto Venezolano de Investigaciones Científicas (IVIC))

  • Bruno Pribanic

    (Laboratory of Inorganic Chemistry)

  • Bas de Bruin

    (Supramolecular and Homogeneous Catalysis Group, van ’t Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam)

  • Hansjörg Grützmacher

    (Laboratory of Inorganic Chemistry)

Abstract

Small organic molecules provide a promising solution for the requirement to store large amounts of hydrogen in a future hydrogen-based energy system. Herein, we report that diolefin–ruthenium complexes containing the chemically and redox non-innocent ligand trop2dad catalyse the production of H2 from formaldehyde and water in the presence of a base. The process involves the catalytic conversion to carbonate salt using aqueous solutions and is the fastest reported for acceptorless formalin dehydrogenation to date. A mechanism supported by density functional theory calculations postulates protonation of a ruthenium hydride to form a low-valent active species, the reversible uptake of dihydrogen by the ligand and active participation of both the ligand and the metal in substrate activation and dihydrogen bond formation.

Suggested Citation

  • M. Trincado & Vivek Sinha & Rafael E. Rodriguez-Lugo & Bruno Pribanic & Bas de Bruin & Hansjörg Grützmacher, 2017. "Homogeneously catalysed conversion of aqueous formaldehyde to H2 and carbonate," Nature Communications, Nature, vol. 8(1), pages 1-11, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms14990
    DOI: 10.1038/ncomms14990
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    1. Hoang, Anh Tuan & Pandey, Ashok & Martinez De Osés, Francisco Javier & Chen, Wei-Hsin & Said, Zafar & Ng, Kim Hoong & Ağbulut, Ümit & Tarełko, Wiesław & Ölçer, Aykut I. & Nguyen, Xuan Phuong, 2023. "Technological solutions for boosting hydrogen role in decarbonization strategies and net-zero goals of world shipping: Challenges and perspectives," Renewable and Sustainable Energy Reviews, Elsevier, vol. 188(C).

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