Stretching polymer electrolyte membranes increases water diffusion along the stretched direction. It is now shown that the enhancement in transport is a result of the alignment of domains of hydrophilic channels, and that transport anisotropy and alignment are linearly coupled.
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Samulski, E. Diffusion realigned. Nature Mater 10, 486–487 (2011). https://doi.org/10.1038/nmat3059
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DOI: https://doi.org/10.1038/nmat3059
