Exceptional lithium diffusion through porous aromatic framework (PAF) interlayers delivers high capacity and long-life lithium–sulfur batteries
Ehsan Ghasemiestahbanati, Areeb Shehzad, Kristina Konstas, Caitlin J. Setter, Luke A. O’Dell, Mahdokht Shaibani, Mainak Majumder, Matthew R. Hill
Abstract
Sulfonated porous aromatic frameworks (SPAFs) accelerate Li-ion diffusion while retarding the polysulfide shuttle effect in Li–S batteries. This leads to high residual capacity above 1000 mA h g −1 and coulombic efficiency (>99.5%) after 500 cycles.
Topics & Concepts
Faraday efficiencyPolysulfideLithium (medication)DiffusionPorosityMaterials scienceChemical engineeringSulfurIonChemistryElectrochemistryComposite materialElectrolyteMetallurgyOrganic chemistryElectrodeThermodynamicsEngineeringPhysical chemistryMedicinePhysicsEndocrinologyAdvanced Battery Materials and TechnologiesAdvancements in Battery MaterialsAdvanced battery technologies research