Prussian blue-derived multiple yolk–single shell-structured Se-doped Fe<sub>7</sub>S<sub>8</sub>@NC@C microcube composites as high-rate anodes for sodium-ion batteries
Qingping Li, Peng Wang, Yuxiang Chen, Xiangyue Liao, Ransha Deng, Qiaoji Zheng, Dunmin Lin
Abstract
The yolk-shell structured provides sufficient void space; the dual - carbon layer acts as a rigid skeleton. Meanwhile, Se-doping improving the electrical conductivity and enlarging the interlayer distance to enhance Na storage.
Topics & Concepts
Void (composites)Materials scienceDopingAnodeIonPrussian blueComposite materialConductivityShell (structure)Chemical engineeringElectrodeOptoelectronicsChemistryElectrochemistryPhysical chemistryOrganic chemistryEngineeringAdvancements in Battery MaterialsSupercapacitor Materials and FabricationAdvanced Battery Materials and Technologies