Ionic IPNs as novel candidates for highly conductive solid polymer electrolytes |
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Authors: | Alexander S Shaplov Laurent Goujon Frédéric Vidal Elena I Lozinskaya Franck Meyer Inna A Malyshkina Claude Chevrot Dominique Teyssié Irina L Odinets Yakov S Vygodskii |
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Institution: | 1. A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS RAS), Vavilov str.28, GSP‐1, Moscow 119991, Russia;2. Laboratoire de Physicochimie des Polymères et des Interfaces (LPPI), Université de Cergy‐Pontoise, 5 mail Gay‐Lussac, F‐95031 Cergy‐Pontoise Cedex, France;3. Department of Physics, Moscow State University, Vorob'evy gory, Moscow 119992, Russia |
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Abstract: | Five ionic imidazolium based monomers, namely 1‐vinyl‐3‐ethylimidazolium bis(trifluoromethylsulfonyl)imide (ILM1), 1‐vinyl‐3‐(diethoxyphosphinyl)‐propylimidazolium bis(trifluoromethylsulfonyl)imide (ILM2), 1‐2‐(2‐methyl‐acryloyloxy)‐propyl]‐3‐methylimidazolium bis(trifluoromethylsulfonyl)imide (ILM3), 1‐2‐(2‐methyl‐acryloyloxy)‐undecyl]‐3‐methylimidazolium bis(trifluoromethylsulfonyl)imide (ILM4), 1‐vinyl‐3‐ethylimidazolium dicyanamide (ILM5) were prepared and used for the synthesis of linear polymeric ionic liquids (PILs), crosslinked networks with polyethyleneglycol dimethacrylate (PEGDM) and interpenetrating polymer networks (IPNs) based on polybutadiene (PB). The ionic conductivities of IPNs prepared using an in situ strategy were found to depend on the ILM nature, Tg and the ratio of the other components. Novel ionic IPNs are characterized by increased flexibility, small swelling ability in ionic liquids (ILs) along with high conductivity and preservation of mechanical stability even in a swollen state. The maximum conductivity for a pure IPN was equal to 3.6 × 10?5 S/cm at 20 °C while for IPN swollen in 1‐Me‐3‐Etim] (CN)2N σ reached 8.5 × 10?3 S/cm at 20 °C or 1.4 × 10?2 S/cm at 50 °C. © 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 4245–4266, 2009 |
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Keywords: | conducting polymers interpenetrating polymer networks (IPN) ionic liquids ionomers polyelectrolytes polymer electrolytes |
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