Modeling and Numerical Simulation of AEM Electrolyzer for Hydrogen Production and Performance Analysis

  • Kang, Zhuang (Leiden University)
  • Emmerich, Michael (University of Jyväskylä)
  • Bäck, Thomas (Leiden University)
  • Fan, Yingjie (Leiden University)

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Hydrogen production via electrolysis is considered as a clean energy-conversion technology and numerical simulation is an efficient way for the performance assessment of electrolyzer. To accurately model the multi-physics characteristics of electrolyzer, a 3-dimensional CFD model is built with the open-source platform OpenFOAM, where the electrochemical and mechanical properties inside the cell was studied. Subsequently, performance analysis is conducted with different membrane thickness. The study provides valuable insights into the trade-offs among energy efficiency and operational security, and offers practical guidelines for the design and operation of high-performance electrolyzers.