Numerical Modelling & Elastomeric Gasket Design for PEMFC Stacks

Vincent Buchet; Lin Fa Peng; Dian Kai Qiu; Xin Min Lai; Zhong Qin Lin

doi:10.4028/www.scientific.net/AMR.347-353.3290

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 347-353Numerical Modelling & Elastomeric Gasket Design...

Numerical Modelling & Elastomeric Gasket Design for PEMFC Stacks

Abstract:

Gaskets play important role in fuel stack assembly. It influences the assembly stress distribution or causes the risk of fuel leakage. The purpose of this paper is to study the assembly stress on the gasket and the MEA and the gasket development inside a stack of fuel cells. 2D and 3D models are established to explore the ideal behaviour of the couple MEA/gasket. A method is developed to define gasket shape parameters taking the MEA stress restrictions in consideration. Using PEMFC prototype, finite element simulations, pressure film experiments and joint integrity calculation code, an improvement on gasket section shape is performed to decrease the risk of fuel leakages. The design guideline and the analysis method proposed in this study will be helpful for the stack design to obtain high performance.

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Periodical:

Advanced Materials Research (Volumes 347-353)

Pages:

3290-3297

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.347-353.3290

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Online since:

October 2011

Authors:

Vincent Buchet, Lin Fa Peng, Dian Kai Qiu, Xin Min Lai, Zhong Qin Lin

Keywords:

Finite Element (FE) Simulation, Fuel Cell (FC), Gasket, Leakage, MEA Stress

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