Featuring Stable Quaternized Ammonium Groups for Ionic Liquids and Anion (OH-) Exchange Membranes (AEM)
Piperidine-based 6-azonia-spiro[5.5]undecane features the quaternized ammonium group with the highest stability against nucleophilic (OH-) substitution and elimination reactions.
M. G. Marino, J. P. Melchior, A. Wohlfarth, and K. D. Kreuer
Hydroxide, halide and water transport in a model anion exchange membrane
Journal of Membrane Science 464, 61–71 (2014).
M. G. Marino and K.-D. Kreuer
Alkaline Stability of Quaternary Ammonium Cations for Alkaline Fuel Cell Membranes and Ionic Liquids
ChemSusChem 8(3), 513–523 (2015).
K.D. Kreuer, and Patric Jannasch
A practical method for measuring the ion exchange capacity decrease of hydroxide exchange membranes during intrinsic degradation
Journal of Powersources 375, 361-366 (2018)