State of Water in Perfluorosulfonic Ionomer (Nafion) Proton Exchange Membranes

被引:4
|
作者
Lu, Z. [1 ]
Polizos, G.
Manias, E.
Macdonald, D. D. [1 ]
机构
[1] Penn State Univ, Ctr Electrochem Sci & Technol, University Pk, PA 16802 USA
关键词
POLYMER ELECTROLYTE MEMBRANES; DIELECTRIC-RELAXATION; FUEL-CELL; HYDROPHOBIC HYDRATION; AQUEOUS-SOLUTIONS; GLASS-TRANSITION; TRANSPORT; TEMPERATURE; CONDUCTION; MORPHOLOGY;
D O I
10.1149/1.3505462
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
This manuscript reports on the direct identification of four states of water in hydrated Nafion ionomer polymers, including a quantitative measurement of their dynamics, as previously published in the Journal of the Electrochemical Society, 155, B163-B171 (2008). Here, we provide further details on the dynamics of these water states and we underline still-open scientific questions, towards stimulating further fundamental research in the field.
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页码:81 / 89
页数:9
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