High-performance ultrathin perfluorinated sulfonic acid membranes with thermo-morphology control for a vanadium redox flow battery
Jongmin Q. Kim, Yecheol Rho, Soonyong So, Siyoung Q. Choi
Abstract
We demonstrate the morphology control of pre-aligned hydrophilic channels of ultrathin (∼30 nm) perfluorinated sulfonic acid membranes leading to enhancement of ion-selectivity and vanadium redox flow battery cell performance.
Topics & Concepts
Flow batteryVanadiumSulfonic acidRedoxMembraneChemical engineeringSelectivityMaterials scienceBattery (electricity)Morphology (biology)Inorganic chemistryChemistryPolymer chemistryOrganic chemistryElectrodeCatalysisElectrolyteBiochemistryEngineeringBiologyGeneticsPhysicsPhysical chemistryQuantum mechanicsPower (physics)Advanced battery technologies researchElectrocatalysts for Energy ConversionSupercapacitor Materials and Fabrication