Solid-State Synthesis of Layered MoS2 Nanosheets with Graphene for Sodium-Ion Batteries

Sodium-ion batteries have potential as energy-storage devices owing to an abundant source with low cost. However, most electrode materials still suffer from poor conductivity, sluggish kinetics, and huge volume variation. It is challenging explore apt for sodium-ion battery applications avoid the pulverization of electrodes induced by reversible intercalation large sodium ions. Herein, we report a single-step facile, scalable, low-cost, high-yield approach prepare hybrid material; i.e., MoS2 graphene (MoS2-G). Due space-confined effect, thin-layered nanosheets loose stacking feature are anchored sheets. The semienclosed architecture enhances integrity stability during Na+ Particularly, galvanostatic study assembled Na-ion cell delivered specific capacity 420 mAhg−1 at 50 mAg−1, 172 current density 200 mAg−1 after cycles. MoS2-G excels in performance due residual oxygen groups graphene, which improves electronic conductivity decreases diffusion barrier electrochemical reaction, comparison pristine one.