Numerical investigation of performance of an interdigitated polymer electrolyte membrane fuel cell with a porous rib

Fatemeh Farreamini, Javad Mahmoudimehr, Mohammadmahdi Abdollahzadehsangroudi, Farid Dolati, Faculty of Mechanical Engineering, University of Guilan, Departamento de Engenharia Electromecanica, Center for Mechanical and Aerospace Sciences and Technologies, Universidade da Beira Interior

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy

Published online on January 28, 2026

Abstract

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, Ahead of Print.
This numerical study evaluates a polymer electrolyte membrane fuel cell (PEMFC) with an interdigitated flow field and porous cathode rib using a 3D steady-state model. While the conventional interdigitated design with a solid rib enhances electrochemical ...