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The performance of a PEM(Proton Exchange Membrane) fuel cell can be expressed by the voltage-Current density(V-I) characteristics. In this study, a mathematical modeling for computing the mass fraction characteristics of PEM fuel cell has been improved. It is simulation of species mass fraction in this paper. Model was set up by three conservation equations, and it was considered the Gravity in source...
It is helpful to highlight the performance of PEM(Proton Exchange Membrane) fuel cell that understanding of mass fraction inside PEM fuel cell. It is simulation of species mass fraction in this paper. Model was set up by three conservation equations, and it was considered the Gravity in source item. The modeling domain consists of the membrane, two catalyst layers, two diffusion layers, and two channels...
Flow field is the important part in proton exchange membrane (PEM) fuel cell and one of its control factors. In this paper, the performance of PEM fuel cell with non-equipotent flow field was tested. Influences of the dimension change and the arrangement of flow field on its performance is analyzed. Experimental results show that comparison with conditional water management in PEM fuel cell with equipotent...
In PEM (Proton Exchange Membrane) Fuel Cell, a two-phase flow, multi-component model has been optimized. The modeling domain consists of the membrane, two catalyst layers, two diffusion layers, and two channels. Both liquid and gas phases are considered in the entire cathode and anode, including the channel, the diffusion layer and the catalyst layer. The Gravity effect on liquid water was considered...
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