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A perfluorinated anion exchange membrane with a 1,4-dimethylpiperazinium cation demonstrated better hydroxide ion conductivity and three-fold reduction in water uptake compared to a hydrocarbon AEM with the same cation. The perfluorinated AEM was stable over 30 days in 2 M KOH at 60 °C and demonstrated good fuel cell performance.
Jung et al. (Sat,) studied this question.