Rational design of well-dispersed ultrafine CoS<sub>2</sub> nanocrystals in micro–mesoporous carbon spheres with a synergistic effect for high-performance lithium–sulfur batteries
Zhanshuang Jin, Ming Zhao, Tianning Lin, Bingqiu Liu, Qi Zhang, Lingyu Zhang, Lihua Chen, Lu Li, Zhongmin Su, Chungang Wang
Abstract
Micro–mesoporous carbon (MMC) embedded with well-dispersed ultrafine CoS<sub>2</sub> (uCoS<sub>2</sub>) nanocrystals as an efficient sulfur host is prepared by a new method. As a result, a S/uCoS<sub>2</sub>@MMC cathode exhibits outstanding cycling stability and rate performance.
Topics & Concepts
NanocrystalMesoporous materialMaterials scienceLithium (medication)SulfurCarbon fibersNanoparticleCathodeChemical engineeringNanotechnologySPHERESChemistryCatalysisComposite numberMetallurgyComposite materialPhysical chemistryOrganic chemistryEndocrinologyPhysicsMedicineEngineeringAstronomyAdvanced Battery Materials and TechnologiesAdvancements in Battery MaterialsAdvanced battery technologies research