Waste-honeycomb-derived <i>in situ</i> N-doped Hierarchical porous carbon as sulfur host in lithium–sulfur battery
Hong Li, Zirui Zhao, Yuyun Li, Mingwu Xiang, Junming Guo, Hongli Bai, Xiaofang Liu, Xinzhou Yang, Changwei Su
Abstract
Waste honeycomb derived porous carbon with a high specific surface area of 1683.6 m 2 g −1 are prepared via a facile simultaneous activation/carbonization. The corresponding porous carbon/sulfur composite cathode exhibits a durable stable performance up to 500 cycles at 1 C.
Topics & Concepts
PolysulfideSulfurMaterials scienceCarbonizationCarbon fibersChemical engineeringElectrochemistryCathodePorosityComposite numberChemistryComposite materialElectrodeElectrolyteScanning electron microscopeMetallurgyPhysical chemistryEngineeringAdvanced Battery Materials and TechnologiesAdvancements in Battery MaterialsAdvanced battery technologies research