Designing n-type all-ionic thermoelectric polymers with improved air stability <i>via</i> a solution-processing anion exchange technique
Nan Chen, Yunjia Song, Taein Lee, M. Sasikumar, Howard E. Katz
Abstract
We replaced Cl − ions with bulkier BF 4 and PF 6 − in ionic thermoelectric polymers. BF 4 − -MADQUAT and PF 6 − -PDADMAC showed good ionic conductivity and reliable, reproducible Seebeck coefficients at 40% humidity and better air stability.
Topics & Concepts
Thermoelectric effectIonic bondingPolymerIonIonic conductivityMaterials scienceSeebeck coefficientIonic liquidIon exchangeThermal stabilityThermoelectric materialsStability (learning theory)Chemical engineeringPolymer chemistryInorganic chemistryChemistryPhysical chemistryElectrodeThermodynamicsComposite materialOrganic chemistryComputer sciencePhysicsEngineeringCatalysisElectrolyteMachine learningAdvanced Thermoelectric Materials and DevicesConducting polymers and applicationsAdvanced Battery Materials and Technologies