Three-Dimensional SnS Decorated Carbon Nano-Networks as Anode Materials for Lithium and Sodium Ion Batteries

Nanomaterials
Yanli ZhouFuyi Jiang

Abstract

The three-dimensional (3D) SnS decorated carbon nano-networks (SnS@C) were synthesized via a facile two-step method of freeze-drying combined with post-heat treatment. The lithium and sodium storage performances of above composites acting as anode materials were investigated. As anode materials for lithium ion batteries, a high reversible capacity of 780 mAh·g-1for SnS@C composites can be obtained at 100 mA·g-1after 100 cycles. Even cycled at a high current density of 2 A·g-1, the reversible capacity of this composite can be maintained at 610 mAh·g-1after 1000 cycles. The initial charge capacity for sodium ion batteries can reach 333 mAh·g-1, and it retains a reversible capacity of 186 mAh·g-1at 100 mA·g-1after 100 cycles. The good lithium or sodium storage performances are likely attributed to the synergistic effects of the conductive carbon nano-networks and small SnS nanoparticles.

References

Feb 8, 2008·Nature·M Armand, J-M Tarascon
May 2, 2012·Chemical Communications : Chem Comm·Dimitri D VaughnRaymond E Schaak
Aug 3, 2012·ACS Applied Materials & Interfaces·Junjie CaiPei Kang Shen
Jun 5, 2014·ACS Nano·Elmira Memarzadeh LotfabadDavid Mitlin
Dec 2, 2015·ACS Applied Materials & Interfaces·Xiang WeiYan Yu
Nov 16, 2016·Journal of Colloid and Interface Science·Wenxi Zhao, Chang Ming Li

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