Distinctive conductivity improvement by embedding Cu nanoparticles in the carbon shell of submicron Si@C anode materials for LIBs
Si Chen, Songsheng Zheng, Aodi Shi, Leiming Zheng, Yehan Zhang, Zhaolin Wang
Abstract
Cu nanoparticles were successfully embedded in the Si@C to remarkably improve the conductivity. Under the catalysis of Cu nanoparticles, the carbon shell was partly converted to graphite to better withstand the volume expansion of the Si@C anode.
Topics & Concepts
AnodeNanoparticleMaterials scienceConductivityGraphiteCarbon fibersShell (structure)CatalysisChemical engineeringNanotechnologyComposite materialElectrodeChemistryPhysical chemistryOrganic chemistryComposite numberEngineeringAdvancements in Battery MaterialsSemiconductor materials and devicesGraphene research and applications