New Methodology for Characterizing Ion Permeability and Selectivity of Ion-Exchange Membranes
Zhang J, Shocron A, Meola V, Violet C, Jiao Z, Lenz P, Duan Y, Wang R, Iddya A, Elimelech M. New Methodology for Characterizing Ion Permeability and Selectivity of Ion-Exchange Membranes. Environmental Science & Technology Letters 2025, 12: 1082-1088. DOI: 10.1021/acs.estlett.5c00597.Peer-Reviewed Original ResearchIon transport propertiesIon-exchange membranesMixed-salt systemsCharacterization of ion transport propertiesStructure-property-performance relationshipsLinear sweep voltammetry experimentsIon-ion selectivityIon exchange membrane performanceSelectivity of ion exchange membranesTransport properties of ion-exchange membranesProperties of ion-exchange membranesMixed-saltVoltammetry experimentsSeparation performanceIon permeabilityConductivity measurementsIonsIEMs performanceEnergy applicationsTransport propertiesLow-current conditionsSingle-saltCurrent-basedRelevant conditionsPerformance comparisonDeciphering co-ion and counterion transport in polyamide desalination membranes reveals ion selectivity mechanisms
Guo Y, He J, Zhang J, Sheng M, Wang Z, Elimelech M, Wang L. Deciphering co-ion and counterion transport in polyamide desalination membranes reveals ion selectivity mechanisms. Science Advances 2025, 11: eadu8302. PMID: 40465735, PMCID: PMC12136035, DOI: 10.1126/sciadv.adu8302.Peer-Reviewed Original ResearchIon-ion selectivityCo ionsIon selectivityDesalination membranesMolecular simulation resultsDesign of membranesIon selectivity mechanismMolecular-level mechanismsMolecular designWater-membrane interfaceReverse osmosisCounterion transportIon-ionIon partitioningElectrostatic interactionsIonsWater purificationCounterionsMembrane-based processesPolyamideDiffusion mechanismSimulation resultsNanofiltrationEnergy efficiencySelectionApproaching infinite selectivity in membrane-based aqueous lithium extraction via solid-state ion transport
Patel S, Iddya A, Pan W, Qian J, Elimelech M. Approaching infinite selectivity in membrane-based aqueous lithium extraction via solid-state ion transport. Science Advances 2025, 11: eadq9823. PMID: 40020050, PMCID: PMC11870030, DOI: 10.1126/sciadv.adq9823.Peer-Reviewed Original ResearchSolid-state electrolytesLithium extractionHopping of lithium ionsPart-per-billion detection limitsIon-ion selectivityLimitations of mass spectrometryIon transportNext-generation membranesLithium-ionIon migrationPart-per-billionExtract lithiumIon-ionLithium supplyMass spectrometryBattery technologySelectivity valuesMembrane transport propertiesLithiumMembrane materialsNanoporous membranesTransport propertiesIonsElectrolyteSpectrometry
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