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In-situ on-board evaluation and control of proton exchange membrane fuel cells using magnetic sensors

Author

Listed:
  • Akimoto, Yutaro
  • Shibata, Masumi
  • Tsuzuki, Yuto
  • Okajima, Keiichi
  • Suzuki, Shin-nosuke

Abstract

Efficient and stable operation of fuel cells is based on understanding their current distribution. In this study, we propose a method for calculating the current intensity—which is fundamentally a straightforward current distribution—in real-time using magnetic fields at four distinct points. Our findings suggest that current distribution remains non-uniform during purge control, despite voltage recovery, and cooling after a dry-out proves to be time-consuming. We show that using the current intensity distribution as a control strategy enables uniform distribution and ensures the stable operation of fuel cells. Overall, our method effectively addresses the non-uniformity in current distribution, leading to enhanced performance of fuel cells.

Suggested Citation

  • Akimoto, Yutaro & Shibata, Masumi & Tsuzuki, Yuto & Okajima, Keiichi & Suzuki, Shin-nosuke, 2023. "In-situ on-board evaluation and control of proton exchange membrane fuel cells using magnetic sensors," Applied Energy, Elsevier, vol. 351(C).
    • Handle: RePEc:eee:appene:v:351:y:2023:i:c:s0306261923012370
    DOI: 10.1016/j.apenergy.2023.121873
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