Abstract
Porous transport layer (PTL) is one of the most important components in proton exchange membrane electrolyzer (PEMEC). In this study, a mathematical model of PEMEC is established in MATLAB/Simulink. The effects of different PTL parameters on the performance of PEMEC were studied. The results show that the increase in PTL thickness and porosity can increase the ohmic overpotential and reduce the performance of PEMEC. As PTL pore size decrease, the performance of PEMEC improves. The influence of pore size on the performance of PEMEC is smaller than that of porosity.
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