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Upscaling of integrated photoelectrochemical water-splitting devices to large areas

Author

Listed:
  • Bugra Turan

    (IEK5—Photovoltaik, Forschungszentrum Jülich GmbH)

  • Jan-Philipp Becker

    (IEK5—Photovoltaik, Forschungszentrum Jülich GmbH)

  • Félix Urbain

    (IEK5—Photovoltaik, Forschungszentrum Jülich GmbH)

  • Friedhelm Finger

    (IEK5—Photovoltaik, Forschungszentrum Jülich GmbH)

  • Uwe Rau

    (IEK5—Photovoltaik, Forschungszentrum Jülich GmbH)

  • Stefan Haas

    (IEK5—Photovoltaik, Forschungszentrum Jülich GmbH)

Abstract

Photoelectrochemical water splitting promises both sustainable energy generation and energy storage in the form of hydrogen. However, the realization of this vision requires laboratory experiments to be engineered into a large-scale technology. Up to now only few concepts for scalable devices have been proposed or realized. Here we introduce and realize a concept which, by design, is scalable to large areas and is compatible with multiple thin-film photovoltaic technologies. The scalability is achieved by continuous repetition of a base unit created by laser processing. The concept allows for independent optimization of photovoltaic and electrochemical part. We demonstrate a fully integrated, wireless device with stable and bias-free operation for 40 h. Furthermore, the concept is scaled to a device area of 64 cm2 comprising 13 base units exhibiting a solar-to-hydrogen efficiency of 3.9%. The concept and its successful realization may be an important contribution towards the large-scale application of artificial photosynthesis.

Suggested Citation

  • Bugra Turan & Jan-Philipp Becker & Félix Urbain & Friedhelm Finger & Uwe Rau & Stefan Haas, 2016. "Upscaling of integrated photoelectrochemical water-splitting devices to large areas," Nature Communications, Nature, vol. 7(1), pages 1-9, November.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms12681
    DOI: 10.1038/ncomms12681
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    Cited by:

    1. Simon Caron & Marc Röger & Michael Wullenkord, 2020. "Selection of Solar Concentrator Design Concepts for Planar Photoelectrochemical Water Splitting Devices," Energies, MDPI, vol. 13(19), pages 1-31, October.
    2. Hamdani, I.R. & Bhaskarwar, A.N., 2021. "Recent progress in material selection and device designs for photoelectrochemical water-splitting," Renewable and Sustainable Energy Reviews, Elsevier, vol. 138(C).
    3. Alanne, Kari & Cao, Sunliang, 2019. "An overview of the concept and technology of ubiquitous energy," Applied Energy, Elsevier, vol. 238(C), pages 284-302.
    4. Sang Eon Jun & Youn-Hye Kim & Jaehyun Kim & Woo Seok Cheon & Sungkyun Choi & Jinwook Yang & Hoonkee Park & Hyungsoo Lee & Sun Hwa Park & Ki Chang Kwon & Jooho Moon & Soo-Hyun Kim & Ho Won Jang, 2023. "Atomically dispersed iridium catalysts on silicon photoanode for efficient photoelectrochemical water splitting," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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