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NMR investigation of water and methanol mobility in nanocomposite fuel cell membranes

✍ Scribed by Isabella Nicotera; Ameesh Khalfan; Gabriel Goenaga; Tao Zhang; Andrew Bocarsly; Steve Greenbaum

Book ID
107400595
Publisher
Springer-Verlag
Year
2007
Tongue
English
Weight
539 KB
Volume
14
Category
Article
ISSN
0947-7047

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Methanol diffusion in two polymer electrolyte membranes, Nafion 117 and BPSH 40 (a 40% disulfonated wholly aromatic polyarylene ether sulfone), was measured using a modified pulsed field gradient NMR method. This method allowed for the diffusion coefficient of methanol within the membrane to be dete