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Characterization of Water Transport and Liquid Accumulation in Proton Exchange Membrane Fuel Cells
DownloadSpring 2024
Hydrogen proton exchange membrane fuel cell (PEMFC) vehicles present a viable solution for decarbonizing the heavy-duty and long-distance transportation sector. They convert the chemical energy of hydrogen directly into electricity, with the only by-products being heat and water and, therefore,...
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Experimental Measurement of Mass Transport Parameters of Gas Diffusion Layer and Catalyst Layer in PEM Fuel Cell
DownloadFall 2019
A diffusion bridge is modified to accurately measure the in-plane permeability and diffusivity of gas diffusion layers (GDLs), and to measure the through-plane permeability, effective pore diameter, Knudsen diffusivity and effective diffusivity of catalyst layers (CLs). In order to measure...
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Fall 2019
Microscopy techniques have emerged as a powerful tool to study the morphology of fuel cell porous media. Mathematical parametrization of the microscopy images is important to characterize the porous media microstructure and compare the differences between various samples. A framework which can...