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Energy efficient cold start of a Polymer Electrolyte Membrane Fuel Cell coupled to a thermochemical metal hydride preheater

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Listed:
  • Melnik, Daniel
  • Bürger, Inga
  • Mitzel, Jens
  • Käß, Julian
  • Sarkezi-Selsky, Patrick
  • Jahnke, Thomas
  • Knöri, Torsten

Abstract

Cold start is still a major factor for proton exchange membrane (PEM) fuel cell degradation. Using a metal hydride-based preheater can significantly reduce the time to reach temperatures above 0 °C without consuming any extra energy due to two specific features of the fundamental thermochemical reaction: First, thermal energy provided during fuel cell operation as waste energy can be stored long-time and loss-free for the next cold start event. Second, providing a hydrogen pressure of 8 bar immediately triggers the exothermal absorption reaction to heat up a system from temperatures as low as −20 °C.

Suggested Citation

  • Melnik, Daniel & Bürger, Inga & Mitzel, Jens & Käß, Julian & Sarkezi-Selsky, Patrick & Jahnke, Thomas & Knöri, Torsten, 2024. "Energy efficient cold start of a Polymer Electrolyte Membrane Fuel Cell coupled to a thermochemical metal hydride preheater," Applied Energy, Elsevier, vol. 359(C).
    • Handle: RePEc:eee:appene:v:359:y:2024:i:c:s0306261923019499
    DOI: 10.1016/j.apenergy.2023.122585
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    References listed on IDEAS

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    1. Kölbig, M. & Weckerle, C. & Linder, M. & Bürger, I., 2022. "Review on thermal applications for metal hydrides in fuel cell vehicles: Operation modes, recent developments and crucial design aspects," Renewable and Sustainable Energy Reviews, Elsevier, vol. 162(C).
    2. Indro Biswas & Daniel G. Sánchez & Mathias Schulze & Jens Mitzel & Benjamin Kimmel & Aldo Saul Gago & Pawel Gazdzicki & K. Andreas Friedrich, 2020. "Advancement of Segmented Cell Technology in Low Temperature Hydrogen Technologies," Energies, MDPI, vol. 13(9), pages 1-22, May.
    3. Gießgen, Tom & Jahnke, Thomas, 2023. "Assisted cold start of a PEMFC with a thermochemical preheater: A numerical study," Applied Energy, Elsevier, vol. 331(C).
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