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Prediction of local water distributions and performance of PEMFC using pore network modeling

ECS Transactions, ISSN: 1938-5862, Vol: 92, Issue: 8, Page: 29-37
2019
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Conference Paper Description

Oxygen transport and water drainage in the cathode side Catalyst Layer (CL) affect the performance of Polymer Electrolyte Fuel Cells. A unique pore network model has been developed to track local fluxes of water, both liquid and vapor in pores and water content in the ionomer, through a fuel cell catalyst layer. The role of pore size distribution, ionomer to carbon (I/C) ratios, RH, and operating conditions on fuel cell performance has been studied. The simulations results have been used to provide insight as to how local water balances affect electrode performance.

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