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Development of a practical formate/bicarbonate energy system

Author

Listed:
  • Rui Sang

    (Leibniz-Institut für Katalyse e.V.)

  • Carolin Amber Martina Stein

    (Leibniz-Institut für Katalyse e.V.
    APEX Energy GmbH)

  • Thomas Schareina

    (Leibniz-Institut für Katalyse e.V.)

  • Yuya Hu

    (Leibniz-Institut für Katalyse e.V.)

  • Alexander Léval

    (Leibniz-Institut für Katalyse e.V.)

  • Jonas Massa

    (APEX Energy GmbH)

  • Volkan Turan

    (APEX Energy GmbH)

  • Peter Sponholz

    (APEX Energy GmbH)

  • Duo Wei

    (Leibniz-Institut für Katalyse e.V.
    Harbin Institute of Technology)

  • Ralf Jackstell

    (Leibniz-Institut für Katalyse e.V.)

  • Henrik Junge

    (Leibniz-Institut für Katalyse e.V.)

  • Matthias Beller

    (Leibniz-Institut für Katalyse e.V.)

Abstract

Liquid (organic) hydrogen carriers ([18H]-dibenzyltoluene, MeOH, formic acid, etc.) form a toolbox for the storage and transport of green hydrogen, which is crucial for the implementation of renewable energy technologies. Simple organic salts have been scarcely investigated for this purpose, despite many advantages such as low cost and minor toxicity, as well as easy handling. Here, we present a potassium formate/potassium bicarbonate hydrogen storage and release energy system, that is applicable and shows high stability (6 months). Utilizing ppm amounts of the molecularly defined Ru-5 complex, hydrogen release rates of up to 9.3 L h−1 were achieved. The same catalyst system promoted the hydrogenation of KHCO3 to HCOOK with a TON of 9650. In this way, combined hydrogen storage-release cycles can be performed for 40 times.

Suggested Citation

  • Rui Sang & Carolin Amber Martina Stein & Thomas Schareina & Yuya Hu & Alexander Léval & Jonas Massa & Volkan Turan & Peter Sponholz & Duo Wei & Ralf Jackstell & Henrik Junge & Matthias Beller, 2024. "Development of a practical formate/bicarbonate energy system," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-51658-2
    DOI: 10.1038/s41467-024-51658-2
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    References listed on IDEAS

    as
    1. Duo Wei & Rui Sang & Peter Sponholz & Henrik Junge & Matthias Beller, 2022. "Reversible hydrogenation of carbon dioxide to formic acid using a Mn-pincer complex in the presence of lysine," Nature Energy, Nature, vol. 7(5), pages 438-447, May.
    2. Calabrese, M. & Russo, D. & di Benedetto, A. & Marotta, R. & Andreozzi, R., 2023. "Formate/bicarbonate interconversion for safe hydrogen storage: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 173(C).
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