Abstract:
Correlation times and diffusion coefficients of water molecules were measured for the first time by 1H spin relaxation and pulsed field gradient NMR in Li+, Na+ and Cs+ ionic forms of Nafion 117 membrane. Hydration numbers of Li+, Na+ and Cs+ cations were calculated. It was shown that at high humidity macroscopic transfer is controlled by the local translational motion of water molecules.
Citation:
N. A. Slesarenko, A. V. Chernyak, I. A. Avilova, V. A. Zabrodin, V. I. Volkov, “Mobility of water molecules in Li+, Na+ and Cs+ ionic forms of Nafion membrane studied by NMR”, Mendeleev Commun., 32:4 (2022), 534–536
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https://www.mathnet.ru/eng/mendc717
https://www.mathnet.ru/eng/mendc/v32/i4/p534
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