Abstract

Flower-like SnS2 fabricated by a novel hydrothermal approach are assembled by nano-plates with 1–2µm in width and 5–10nm in thickness. Carbon nanotubes are introduced to form a cross-winding network on the surface of SnS2 nano-plates, which improve the conductivity and Na+ diffusion of composites. The composites are explored as an anode for sodium-ion battery, and deliver an excellent rate performance. The composites get a reversible capacity of 460mAhg−1 at 20mAg−1 and 180mAhg−1 even increased to 1280mAg−1, which reveal the importance of carbon nanotubes network to optimize the fast charge-discharge capabilities of SnS2 flowers.

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