Eulerian two-fluid model of alkaline water electrolysis for hydrogen production

Fabrizio Ganci, Rosalinda Inguanta, Mathieu Sellier, Damien Le Bideau, Myeongsub Kim, Mohamed Benbouzid, Philippe Mandin

Risultato della ricerca: Articlepeer review

5 Citazioni (Scopus)

Abstract

Hydrogen storage is a promising technology for storage of renewable energy resources. Despite its high energy density potential, the development of hydrogen storage has been impeded, mainly due to its significant cost. Although its cost is governed mainly by electrical energy expense, especially for hydrogen produced with alkaline water electrolysis, it is also driven by the value of the cell tension. The most common means of electrolyzer improvement is the use of an electrocatalyst, which reduces the energy required for electrochemical reaction to take place. Another efficient means of electrolyzer improvement is to use the Computational Fluid Dynamics (CFD)-assisted design that allows the comprehension of the phenomena occurring in the electrolyzer and also the improvement in the electrolyzer's efficiency. The designed two-phase hydrodynamics model of this study has been compared with the experimental results of velocity profiles measured using Laser Doppler Velocimetry (LDV) method. The simulated results were in good agreement with the experimental data in the literature. Under the good fit with experimental values, it is efficient to introduce a new physical bubble transfer phenomenon description called "bubble diffusion".
Lingua originaleEnglish
Numero di pagine14
RivistaEnergies
Volume13
Stato di pubblicazionePublished - 2020

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.2100.2102???
  • ???subjectarea.asjc.2100.2101???
  • ???subjectarea.asjc.2600.2606???
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