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3D Printable Polymer Electrolytes for Ionic Conduction based on Protic Ionic Liquids
Alyna Lange1, Sajal Arwish2, Aurelie Rensonnet3
1Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Straße 24-25, 14476, Potsdam-Golm, Germany.
Abstract:
A range of protic ionic liquids (PILs) based on tri-n-alkylammonium cations and mesylate/triflate anions were incorporated into a polymer matrix to form ionogels (IGs). These systems were investigated for their thermal and electrochemical behaviour, as well as under the aspect of ion motion via PFG-NMR. The ionic conductivities of the ILs/IGs are in the range of 10-4-10-3 S/cm-1 at elevated temperatures and the diffusion coefficients are around 10-11 m2 s-1. Successful 3D printing of an IG with 70 wt % of IL is possible via stereolithography approaches, opening up applications in, e. g., structured ion-conductive membranes.
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