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Hybrid membranes based on polybenzimidazole and hydrated zirconia

Lysova, A. A. / Ponomarev, I. I. / Yaroslavtsev, A. B.

Abstract Hybrid membranes based on polybenzimidazole and hydrated zirconia doped with phosphoric acid have been synthesized. The effect of synthesis conditions on the properties of the resulting materials has been studied. It has been shown that the modification of the membranes makes it possible to increase their proton conductivity. The introduction of hydrated zirconia decreases the amount of phosphoric acid leached out from the membrane exposed to water vapor. The diffusion permeability of composite membranes in solutions of various salts has been studied. Model tests of some samples under fuel cell operating conditions have been performed.

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Hybrid membranes based on polybenzimidazole and hydrated zirconia

Lysova, A. A. / Ponomarev, I. I. / Yaroslavtsev, A. B.

Abstract Hybrid membranes based on polybenzimidazole and hydrated zirconia doped with phosphoric acid have been synthesized. The effect of synthesis conditions on the properties of the resulting materials has been studied. It has been shown that the modification of the membranes makes it possible to increase their proton conductivity. The introduction of hydrated zirconia decreases the amount of phosphoric acid leached out from the membrane exposed to water vapor. The diffusion permeability of composite membranes in solutions of various salts has been studied. Model tests of some samples under fuel cell operating conditions have been performed.

Hybrid membranes based on polybenzimidazole and hydrated zirconia

Lysova, A. A. / Ponomarev, I. I. / Yaroslavtsev, A. B.

Abstract Hybrid membranes based on polybenzimidazole and hydrated zirconia doped with phosphoric acid have been synthesized. The effect of synthesis conditions on the properties of the resulting materials has been studied. It has been shown that the modification of the membranes makes it possible to increase their proton conductivity. The introduction of hydrated zirconia decreases the amount of phosphoric acid leached out from the membrane exposed to water vapor. The diffusion permeability of composite membranes in solutions of various salts has been studied. Model tests of some samples under fuel cell operating conditions have been performed.

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Title:

Hybrid membranes based on polybenzimidazole and hydrated zirconia

Contributors:

Lysova, A. A. (author) / Ponomarev, I. I. (author) / Yaroslavtsev, A. B. (author)

Published in:

Petroleum Chemistry ; 52 ; 514-519

Publication date:

2012-11-30

Size:

6 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544112070080

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

hybrid membranes , polybenzimidazole , hydrated zirconia , proton conductivity Chemistry , Industrial Chemistry/Chemical Engineering

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