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Transport properties of materials based on MF-4SC membranes and silica manufactured by a casting method

Author:
Safronova, E. Yu.  Yaroslavtsev, A. B.  


Journal:
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY


Issue Date:
2010


Abstract(summary):

Composites based on MF-4SC perfluorinated cation-exchange membranes were manufactured by casting from a polymer solution with a precursor for subsequent use in the synthesis of hydrous silica. Their proton conductivity was studied as a function of composition, temperature, and relative humidity. Modification of MF-4SC with small dopant amounts increases the water content and ion conductivity, in a reduced humidity, too. Materials containing 3% SiO(2) by weight have a maximal conductivity.


Page:
1499---1502


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