N and S co-doped nanosheet-like porous carbon derived from sorghum biomass: mechanical nanoarchitecturing for upgraded potassium ion batteries
Minjun Kim, Liang Ma, Zhibin Li, Wenjie Mai, Nasim Amiralian, Alan E. Rowan, Yusuke Yamauchi, Aimiao Qin, Rana Arslan Afzal, Darren J. Martin, Ashok Kumar Nanjundan, Jinliang Li
Abstract
Nanosheet-like sorghum biomass obtained by mild alkaline treatment and high-energy ball milling is heteroatom-doped with N and S during pyrolysis. The resulting N, S co-doped carbon shows a significantly improved K-ion storage as an anode material in potassium ion batteries.
Topics & Concepts
NanosheetMaterials scienceAnodeHeteroatomCarbon fibersBall millPotassiumDopingBiomass (ecology)Chemical engineeringPyrolysisGrapheneNanotechnologyChemistryComposite materialElectrodeComposite numberAgronomyMetallurgyOrganic chemistryOptoelectronicsEngineeringRing (chemistry)BiologyPhysical chemistryAdvancements in Battery MaterialsSupercapacitor Materials and FabricationAdvanced Battery Materials and Technologies