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Improved Electrochemical Performance Based on Nanostructured SnS2@CoS2-rGO Composite Anode for Sodium-Ion Batteries.

ABSTRACT: A promising anode material composed of SnS2@CoS2 flower-like spheres assembled from SnS2 nanosheets and CoS2 nanoparticles accompanied by reduced graphene oxide (rGO) was fabricated by a facile hydrothermal pathway. The presence of rGO and the combined merits of SnS2 and CoS2 endow the SnS2@CoS2-rGO composite with high conductivity pathways and channels for electrons and with excellent properties as an anode material for sodium-ion batteries (SIBs). A high capacity of 514.0 mAh g-1 at a current density of 200 mA g-1 after 100 cycles and a good rate capability can be delivered. The defined structure and good sodium-storage performance of the SnS2@CoS2-rGO composite demonstrate its promising application in high-performance SIBs.

SUBMITTER: Wang X 

PROVIDER: S-EPMC6199098 | biostudies-literature |

REPOSITORIES: biostudies-literature

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