Rationally designed yolk–shell Co<sub>9</sub>S<sub>8</sub>–Co<sub>1−<i>x</i></sub>S hollow spheres for advanced sodium-ion storage
Yuanyi Luo, Ludi Shi, Huanze He, Guangtao Cong, Caizhen Zhu, Jian Xu
Abstract
Rationally-designed nitrogen-doped carbon-coated Co 9 S 8 –Co 1− x S yolk–shell hollow spheres are synthesized to buffer the volume fluctuation and enhance the electrical/ionic conductivity.
Topics & Concepts
SPHERESShell (structure)IonCarbon fibersMaterials scienceYolkNitrogenSodiumVolume (thermodynamics)NanotechnologyDopingChemical engineeringAnalytical Chemistry (journal)ChemistryPhysicsComposite materialChromatographyOptoelectronicsThermodynamicsEngineeringMetallurgyComposite numberOrganic chemistryFood scienceAstronomyAdvancements in Battery MaterialsSupercapacitor Materials and FabricationAdvanced battery technologies research