Alkali-stable polybenzimidazole anion exchange membranes tethered with <i>N</i>,<i>N</i>-dimethylpiperidinium cations for dilute aqueous KOH fed water electrolyzers
Oskar Boström, Seung‐Young Choi, Lu Xia, Shviro Meital, Felix Lohmann‐Richters, Patric Jannasch
Abstract
Piperidinium-functionalized polybenzimidazoles enable stable and significantly higher current densities in electrolyzers fed with dilute aq. KOH solutions than a commercial reference material with much higher electrolyte concentrations.
Topics & Concepts
Aqueous solutionMembraneElectrolyteAlkali metalIon exchangeChemistryInorganic chemistryChemical engineeringIonOrganic chemistryPhysical chemistryElectrodeEngineeringBiochemistryFuel Cells and Related MaterialsAdvanced battery technologies researchMembrane-based Ion Separation Techniques