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Single-Cell Tests to Explore the Reliability of Sofc Installations Operating Offshore

Author

Listed:
  • Nelson Thambiraj

    (Department of Physics and Technology, University of Bergen, 5007 Bergen, Norway
    CMR Prototech AS, Fantoft, 5072 Bergen, Norway
    These authors contributed equally to this work.)

  • Ivar Waernhus

    (CMR Prototech AS, Fantoft, 5072 Bergen, Norway
    These authors contributed equally to this work.)

  • Crina Suciu

    (CMR Prototech AS, Fantoft, 5072 Bergen, Norway
    These authors contributed equally to this work.)

  • Arild Vik

    (CMR Prototech AS, Fantoft, 5072 Bergen, Norway
    These authors contributed equally to this work.)

  • Alex C. Hoffmann

    (Department of Physics and Technology, University of Bergen, 5007 Bergen, Norway
    These authors contributed equally to this work.)

Abstract

This paper studies the robustness of off-shore solid oxide fuel cell (SOFC) installations and the nature and causes of possible cell degradation in marine environments. Two important, cathode-related, impediments to ensuring SOFC reliability in off-shore installations are: cathode degradation due to salt contamination and oxygen depletion in the air supply. Short-term and long-term tests show the effect of salt contamination in the cathode feed on cell performance, and reveal the underlying cause of the degradation seen. SEM/X-ray Diffraction/(XRD) analyses made it possible to identify salt taken up in the cathode microstructure after the short-term testing while the macroscopic cell structure remained intact after the short-term tests. The long-term degradation was found to be more severe, and SEM images showed delamination at the cathode/electrolyte interface with salt present, something that was not seen after long-term testing without salt. The effect of oxygen depletion on the performance was also determined at three different temperatures using I-V curves.

Suggested Citation

  • Nelson Thambiraj & Ivar Waernhus & Crina Suciu & Arild Vik & Alex C. Hoffmann, 2020. "Single-Cell Tests to Explore the Reliability of Sofc Installations Operating Offshore," Energies, MDPI, vol. 13(7), pages 1-19, April.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:7:p:1624-:d:340247
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    References listed on IDEAS

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    1. Min Yan & Pei Fu & Qiuyang Chen & Qiuwang Wang & Min Zeng & Jaideep Pandit, 2014. "Electrical Performance and Carbon Deposition Differences between the Bi-Layer Interconnector and Conventional Straight Interconnector Solid Oxide Fuel Cell," Energies, MDPI, vol. 7(7), pages 1-13, July.
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    Cited by:

    1. Luca Del Zotto & Andrea Monforti Ferrario & Arda Hatunoglu & Alessandro Dell’Era & Stephen McPhail & Enrico Bocci, 2021. "Experimental Procedures & First Results of an Innovative Solid Oxide Fuel Cell Test Rig: Parametric Analysis and Stability Test," Energies, MDPI, vol. 14(8), pages 1-19, April.

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