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A porous proton-relaying metal-organic framework material that accelerates electrochemical hydrogen evolution

Author

Listed:
  • Idan Hod

    (Northwestern University
    Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University)

  • Pravas Deria

    (Northwestern University)

  • Wojciech Bury

    (Northwestern University
    Warsaw University of Technology)

  • Joseph E. Mondloch

    (Northwestern University)

  • Chung-Wei Kung

    (Northwestern University
    Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University
    National Taiwan University)

  • Monica So

    (Northwestern University)

  • Matthew D. Sampson

    (University of California San Diego)

  • Aaron W. Peters

    (Northwestern University
    Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University)

  • Cliff P. Kubiak

    (University of California San Diego)

  • Omar K. Farha

    (Northwestern University
    Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University
    Faculty of Science, King Abdulaziz University)

  • Joseph T. Hupp

    (Northwestern University
    Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University
    Argonne National Laboratory)

Abstract

The availability of efficient hydrogen evolution reaction (HER) catalysts is of high importance for solar fuel technologies aimed at reducing future carbon emissions. Even though Pt electrodes are excellent HER electrocatalysts, commercialization of large-scale hydrogen production technology requires finding an equally efficient, low-cost, earth-abundant alternative. Here, high porosity, metal-organic framework (MOF) films have been used as scaffolds for the deposition of a Ni-S electrocatalyst. Compared with an MOF-free Ni-S, the resulting hybrid materials exhibit significantly enhanced performance for HER from aqueous acid, decreasing the kinetic overpotential by more than 200 mV at a benchmark current density of 10 mA cm−2. Although the initial aim was to improve electrocatalytic activity by greatly boosting the active area of the Ni-S catalyst, the performance enhancements instead were found to arise primarily from the ability of the proton-conductive MOF to favourably modify the immediate chemical environment of the sulfide-based catalyst.

Suggested Citation

  • Idan Hod & Pravas Deria & Wojciech Bury & Joseph E. Mondloch & Chung-Wei Kung & Monica So & Matthew D. Sampson & Aaron W. Peters & Cliff P. Kubiak & Omar K. Farha & Joseph T. Hupp, 2015. "A porous proton-relaying metal-organic framework material that accelerates electrochemical hydrogen evolution," Nature Communications, Nature, vol. 6(1), pages 1-9, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9304
    DOI: 10.1038/ncomms9304
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    Cited by:

    1. Che Lah, Nurul Akmal, 2021. "Late transition metal nanocomplexes: Applications for renewable energy conversion and storage," Renewable and Sustainable Energy Reviews, Elsevier, vol. 145(C).
    2. Monama, Gobeng R. & Mdluli, Siyabonga B. & Mashao, Gloria & Makhafola, Mogwasha D. & Ramohlola, Kabelo E. & Molapo, Kerileng M. & Hato, Mpitloane J. & Makgopa, Katlego & Iwuoha, Emmanuel I. & Modibane, 2018. "Palladium deposition on copper(II) phthalocyanine/metal organic framework composite and electrocatalytic activity of the modified electrode towards the hydrogen evolution reaction," Renewable Energy, Elsevier, vol. 119(C), pages 62-72.

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