Highly conductive VC embedded in carbon matrix as effective trapper and catalyst for Li–S batteries
Benben Wei, Chaoqun Shang, Xin Wang, Guofu Zhou
Abstract
) of VC and strong chemisorption and catalytic effect on sulfur species, Li-S batteries with VC@NCM deliver enhanced redox kinetics with ultralow capacity decay of 0.01% per cycle after 1000 cycles at 1C. This work identifies the effect of strong chemisorption and high electrical conductivity on high S utilization and cycle stability in Li-S batteries.
Topics & Concepts
ChemisorptionCatalysisSulfurVanadium carbideCarbon fibersChemical engineeringMaterials scienceElectrical conductorElectrical resistivity and conductivityConductivityVanadiumChemistryInorganic chemistryComposite materialComposite numberPhysical chemistryMetallurgyOrganic chemistryElectrical engineeringEngineeringAdvanced Battery Materials and TechnologiesAdvancements in Battery MaterialsAdvanced battery technologies research