Using reverse osmosis membranes to control ion transport during water electrolysis
Le Shi, Ruggero Rossi, Moon Son, Derek M. Hall, Michael A. Hickner, Christopher A. Gorski, Bruce E. Logan
Abstract
A relatively inexpensive commercially available RO membrane was shown to be useful for direct seawater H<sub>2</sub> generation as the membrane can selectively transport protons and hydroxide ions over other salt ions, and keep the inert anolyte contained to avoid chlorine gas evolution.
Topics & Concepts
ElectrolysisReverse osmosisMembraneChlorineHydroxideSeawaterIonChemistryOsmosisSalt (chemistry)Inorganic chemistryInertChemical engineeringElectrolyteElectrodeOrganic chemistryEngineeringGeologyBiochemistryPhysical chemistryOceanographyMembrane-based Ion Separation TechniquesMembrane Separation TechnologiesAdvanced battery technologies research