Proton conductivity of composites based on Nafion and silica matrices with a chemically modified surface |
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| Authors: | N. A. Mel’nikova V. N. Postnov O. V. Glumov I. V. Murin |
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| Affiliation: | 19808. Faculty of Chemistry, St. Petersburg State University, St. Petersburg, Russia
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| Abstract: | The surface of aerosilogel and macroporous and microporous glasses was modified with aromatic sulfo groups (≡Si(CH2)2-C6H4-SO3H) by the chemical assembly method. Composite solid electrolytes containing Nafion were prepared from the silica matrices with a chemically modified surface. The proton conductivity of the materials was studied by impedance spectroscopy. Composite materials based on Nafion and aerosilogel matrices and macroporous glasses with grafted ≡Si(CH2)2-C6H4-SO3H groups showed the highest proton conductivity. |
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