Yongsheng Wei; Hong Zhu

Model and simulation of proton exchange membrane fuel cell performance at different porosity of diffusion layer

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Author(s)

1. School of Science,Beijing Jiaotong UniversityBeijing, China, 100044

2. Institute of Modern Catalysis, Department of Organic Chemistry, State key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, China, 100029

* Corresponding author.

DOI: https://doi.org/10.5815/ijmecs.2011.02.04

Received: 16 Dec. 2010 / Revised: 5 Feb. 2011 / Accepted: 11 Mar. 2011 / Published: 8 Apr. 2011

Index Terms

Proton exchange membrane fuel cell, porosity, water transport, model, simulation

Abstract

The proton exchange membrane fuel cell is an example of clean energy. Recently, a three-dimensional, steady-state non-isotherm mathematical model for proton exchange membrane fuel cell was developed for further exploration. This 3D model simultaneously takes into account the mass, momentum, energy, species, charge conservation equation as well as combines electrochemistry reaction inside the fuel cell. The simulation results reveals that it is easy to improve the fuel cell performance for higher porosity in the diffusion layer by speeding up the gas diffusion, reducing the concentration grads of gas, depressing the ridge board domino effect and falling current density grads.

Cite This Paper

Yongsheng Wei, Hong Zhu, "Model and simulation of proton exchange membrane fuel cell performance at different porosity of diffusion layer", International Journal of Modern Education and Computer Science(IJMECS), vol.3, no.2, pp.22-28, 2011. DOI:10.5815/ijmecs.2011.02.04

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International Journal of Modern Education and Computer Science (IJMECS)