Novel Ionic Conducting Composite Membrane Based on Polymerizable Ionic Liquids

In this work, the design and characterization of new supported ionic liquid membranes, as medium-temperature polymer electrolyte membranes for fuel-cell application, are described. These membranes were elaborated by the impregnation of porous polyimide Matrimid<sup>®</sup> with different...

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Autores principales: Yaroslav L. Kobzar, Ghania Azzouz, Hashim Albadri, Jocelyne Levillain, Isabelle Dez, Annie-Claude Gaumont, Laurence Lecamp, Corinne Chappey, Stéphane Marais, Kateryna Fatyeyeva
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:4bf003ecb74f4c9580ceda0fe25953b42021-11-11T18:44:18ZNovel Ionic Conducting Composite Membrane Based on Polymerizable Ionic Liquids10.3390/polym132137042073-4360https://doaj.org/article/4bf003ecb74f4c9580ceda0fe25953b42021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4360/13/21/3704https://doaj.org/toc/2073-4360In this work, the design and characterization of new supported ionic liquid membranes, as medium-temperature polymer electrolyte membranes for fuel-cell application, are described. These membranes were elaborated by the impregnation of porous polyimide Matrimid<sup>®</sup> with different synthesized protic ionic liquids containing polymerizable vinyl, allyl, or methacrylate groups. The ionic liquid polymerization was optimized in terms of the nature of the used (photo)initiator, its quantity, and reaction duration. The mechanical and thermal properties, as well as the proton conductivities of the supported ionic liquid membranes were analyzed in dynamic and static modes, as a function of the chemical structure of the protic ionic liquid. The obtained membranes were found to be flexible with Young’s modulus and elongation at break values were equal to 1371 MPa and 271%, respectively. Besides, these membranes exhibited high thermal stability with initial decomposition temperatures > 300 °C. In addition, the resulting supported membranes possessed good proton conductivity over a wide temperature range (from 30 to 150 °C). For example, the three-component Matrimid<sup>®</sup>/vinylimidazolium/polyvinylimidazolium trifluoromethane sulfonate membrane showed the highest proton conductivity—~5 × 10<sup>−2</sup> mS/cm and ~0.1 mS/cm at 100 °C and 150 °C, respectively. This result makes the obtained membranes attractive for medium-temperature fuel-cell application.Yaroslav L. KobzarGhania AzzouzHashim AlbadriJocelyne LevillainIsabelle DezAnnie-Claude GaumontLaurence LecampCorinne ChappeyStéphane MaraisKateryna FatyeyevaMDPI AGarticlepolymerizable ionic liquidpolymer membranesconductivityphotopolymerizationfuel cellOrganic chemistryQD241-441ENPolymers, Vol 13, Iss 3704, p 3704 (2021)
institution DOAJ
collection DOAJ
language EN
topic polymerizable ionic liquid
polymer membranes
conductivity
photopolymerization
fuel cell
Organic chemistry
QD241-441
spellingShingle polymerizable ionic liquid
polymer membranes
conductivity
photopolymerization
fuel cell
Organic chemistry
QD241-441
Yaroslav L. Kobzar
Ghania Azzouz
Hashim Albadri
Jocelyne Levillain
Isabelle Dez
Annie-Claude Gaumont
Laurence Lecamp
Corinne Chappey
Stéphane Marais
Kateryna Fatyeyeva
Novel Ionic Conducting Composite Membrane Based on Polymerizable Ionic Liquids
description In this work, the design and characterization of new supported ionic liquid membranes, as medium-temperature polymer electrolyte membranes for fuel-cell application, are described. These membranes were elaborated by the impregnation of porous polyimide Matrimid<sup>®</sup> with different synthesized protic ionic liquids containing polymerizable vinyl, allyl, or methacrylate groups. The ionic liquid polymerization was optimized in terms of the nature of the used (photo)initiator, its quantity, and reaction duration. The mechanical and thermal properties, as well as the proton conductivities of the supported ionic liquid membranes were analyzed in dynamic and static modes, as a function of the chemical structure of the protic ionic liquid. The obtained membranes were found to be flexible with Young’s modulus and elongation at break values were equal to 1371 MPa and 271%, respectively. Besides, these membranes exhibited high thermal stability with initial decomposition temperatures > 300 °C. In addition, the resulting supported membranes possessed good proton conductivity over a wide temperature range (from 30 to 150 °C). For example, the three-component Matrimid<sup>®</sup>/vinylimidazolium/polyvinylimidazolium trifluoromethane sulfonate membrane showed the highest proton conductivity—~5 × 10<sup>−2</sup> mS/cm and ~0.1 mS/cm at 100 °C and 150 °C, respectively. This result makes the obtained membranes attractive for medium-temperature fuel-cell application.
format article
author Yaroslav L. Kobzar
Ghania Azzouz
Hashim Albadri
Jocelyne Levillain
Isabelle Dez
Annie-Claude Gaumont
Laurence Lecamp
Corinne Chappey
Stéphane Marais
Kateryna Fatyeyeva
author_facet Yaroslav L. Kobzar
Ghania Azzouz
Hashim Albadri
Jocelyne Levillain
Isabelle Dez
Annie-Claude Gaumont
Laurence Lecamp
Corinne Chappey
Stéphane Marais
Kateryna Fatyeyeva
author_sort Yaroslav L. Kobzar
title Novel Ionic Conducting Composite Membrane Based on Polymerizable Ionic Liquids
title_short Novel Ionic Conducting Composite Membrane Based on Polymerizable Ionic Liquids
title_full Novel Ionic Conducting Composite Membrane Based on Polymerizable Ionic Liquids
title_fullStr Novel Ionic Conducting Composite Membrane Based on Polymerizable Ionic Liquids
title_full_unstemmed Novel Ionic Conducting Composite Membrane Based on Polymerizable Ionic Liquids
title_sort novel ionic conducting composite membrane based on polymerizable ionic liquids
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/4bf003ecb74f4c9580ceda0fe25953b4
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