Journal of Synchrotron Radiation
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J. Synchrotron Rad.
(2013).
20
,
286-292
https://doi.org/10.1107/S0909049513001659
Download PDF of article
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Quantitative visualization of a gas diffusion layer in a polymer electrolyte fuel cell using synchrotron X-ray imaging techniques
S. G. Kim
and
S. J. Lee
The porosity distribution of a gas diffusion layer shows cyclic variation under freeze-and-thaw cycles. A small porosity variation induces a large change of permeability in the gas diffusion layer.
Keywords:
polymer electrolyte fuel cell
;
gas diffusion layer
;
porosity distribution
;
freeze-and-thaw cycle
;
X-ray tomography
.
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