A Finite Element Method analysis and optimisation of a polymer electrolyte membrane fuel cell with interdigitated flow field design
Interdigitated polymer electrolyte fuel cells are particularly attractive due to the enhanced transport rates and benefits with respect to electrode flooding. A 2D isothermal model is used to simulate the outlining processes that occur at the elemental fuel cell level. A Finite Element Method analysis is conducted to simulate the flow and current density fields for different gas channel configurations. The main outcome of this study is the optimal size (width) of the interconnect plate shoulder that provides maximum electrical power output.
Keywords: polymer electrolyte membrane fuel cells, interdigitated PEMFC, numerical simulation, shape, finite element method, FEM, FEA, optimisation, flow field design, current density, gas channel configurations, electrical power output
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