Nanotomography based study of gas diffusion layers

Nano-computed tomography (nanoCT) was used for non-invasive 3D visualization and characterization of porous gas diffusion layer (GDL) for polymer electrolyte membrane fuel cells (PEMFC). The study was conducted using reconstruction of 3D images of a GDL of polymer electrolyte fuel cell to determine...

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Bibliographic Details
Main Authors: Hossein Ostadi, Pratap Rama, Yu Liu, Rui Chen, Xiaoxian Zhang, Kyle Jiang
Format: Default Article
Published: 2010
Subjects:
Other engineering not elsewhere classified
Condensed matter physics not elsewhere classified
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Condensed Matter Physics
Engineering not elsewhere classified
Online Access:https://hdl.handle.net/2134/8305
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Summary:Nano-computed tomography (nanoCT) was used for non-invasive 3D visualization and characterization of porous gas diffusion layer (GDL) for polymer electrolyte membrane fuel cells (PEMFC). The study was conducted using reconstruction of 3D images of a GDL of polymer electrolyte fuel cell to determine the critical nanostructural parameters of the layer, such as porosity, mean pore radii, structure model index and degrees of anisotropy. Furthermore, permeability of the GDL was obtained through lattice Boltzmann numerical modeling.

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