A Polyketone-based Anion Exchange Membrane for Electrochemical Applications: Synthesis and Characterization

The structure of the modified polyketone was characterized using FT-IR, and UV-vis spectroscopy, demonstrating the successful introduction of amine in the PK. The conductivity of the AEM was studied using broadband electric spectroscopy (BES) in the temperature range from −100 to 120 °C: the highest value of 9 × 10−4 S·cm−1 was reached at 120 °C for the ionic conductivity of PK-PDAPm(I), followed by PK-PDAPm(OH) with values of the same order of magnitude (10−4 S·cm−1). Thermogravimetry showed that the material is thermally stable up to 200 °C.