Lignin molecular sieving engineering enables high-plateau-capacity hard carbon anodes for sodium-ion batteries
Binyi Chen, Lei Zhong, Manjia Lu, Wenbin Jian, Shirong Sun, Qingwei Meng, Tiejun Wang, Wenli Zhang, Xueqing Qiu
Abstract
Lignin molecules with different polarities are separated through molecular sieve engineering. The hard carbon prepared using acetone-isolated lignin has the largest closed pore volume, which enables a high plateau capacity of 233 mA h g −1 .
Topics & Concepts
LigninCarbon fibersAnodeIonPlateau (mathematics)Chemical engineeringSodiumMaterials scienceChemistryNanotechnologyOrganic chemistryComposite materialEngineeringPhysical chemistryComposite numberMathematicsMathematical analysisElectrodeAdvancements in Battery MaterialsSupercapacitor Materials and FabricationAdvanced Battery Materials and Technologies