Numerical Simulation and Experimental Study on the Contact Pressure between Bipolar Plate and GDL in a PEM Fuel Cell

Xue Mei Han; Jin Zhu Tan; Yong Chang Liu; Peng Li; Long Pan

doi:10.4028/www.scientific.net/AMM.750.220

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 750Numerical Simulation and Experimental Study on the...

Numerical Simulation and Experimental Study on the Contact Pressure between Bipolar Plate and GDL in a PEM Fuel Cell

Abstract:

Both assembly force and temperature play an important role in the proton exchange membrane (PEM) fuel cell performance. In this paper, contact pressure between bipolar plate and gas diffusion layer (GDL) in a PEM fuel cell under various assembly forces and at different temperatures was studied numerically. Considering the coupling effects of assembly force and operating temperature on contact pressure, a three-dimensional finite element model of the PEM fuel cell was established and the contact pressure between the GDL and the bipolar plate was studied using commercial code ABAQUS. In order to verify the simulated results, the experimental study was conducted to investigate the contact pressure distribution between the bipolar plate and the GDL. The experimental results are in good agreement with the finite element method (FEM) results. The simulated and experimental results reveal that the contact pressure increased with the increase of assembly force and temperature. It is found that the contact pressure distribution between the bipolar plate and the GDL had the best uniformity under the applied torque of 3.0N·m and at the operating temperature of 80 °C in this work.

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Periodical:

Applied Mechanics and Materials (Volume 750)

Pages:

220-225

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.750.220

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Online since:

April 2015

Authors:

Xue Mei Han, Jin Zhu Tan*, Yong Chang Liu, Peng Li, Long Pan

Keywords:

Bipolar Plate, Contact Pressure, Gas Diffusion Layer, PEM Fuel Cell

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