Issue

Vol. 10 No. 3 (2018)

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

https://doi.org/10.1007/s40820-018-0200-x
Xia Wang
and Technology in Universities of Shandong, and Laboratory of Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory, Qingdao University, Qingdao 266071, People’s Republic of China
Xueying Li
College of Physics, Key Laboratory of Photonics Materials and Technology in Universities of Shandong, and Laboratory of Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory, Qingdao University, Qingdao 266071, People’s Republic of China
Qiang Li
College of Physics, Key Laboratory of Photonics Materials and Technology in Universities of Shandong, and Laboratory of Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory, Qingdao University, Qingdao 266071, People’s Republic of China
Hongsen Li
College of Physics, Key Laboratory of Photonics Materials and Technology in Universities of Shandong, and Laboratory of Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory, Qingdao University, Qingdao 266071, People’s Republic of China
Jie Xu
College of Physics, Key Laboratory of Photonics Materials and Technology in Universities of Shandong, and Laboratory of Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory, Qingdao University, Qingdao 266071, People’s Republic of China
Hong Wang
College of Physics, Key Laboratory of Photonics Materials and Technology in Universities of Shandong, and Laboratory of Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory, Qingdao University, Qingdao 266071, People’s Republic of China
Guoxia Zhao
College of Physics, Key Laboratory of Photonics Materials and Technology in Universities of Shandong, and Laboratory of Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory, Qingdao University, Qingdao 266071, People’s Republic of China
Lisha Lu
College of Physics, Key Laboratory of Photonics Materials and Technology in Universities of Shandong, and Laboratory of Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory, Qingdao University, Qingdao 266071, People’s Republic of China
Xiaoyu Lin
College of Physics, Key Laboratory of Photonics Materials and Technology in Universities of Shandong, and Laboratory of Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory, Qingdao University, Qingdao 266071, People’s Republic of China
Hongliang Li
Institute of Materials for Energy and Environment, Qingdao University, Qingdao 266071, People’s Republic of China
Shandong Li
College of Physics, Key Laboratory of Photonics Materials and Technology in Universities of Shandong, and Laboratory of Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory, Qingdao University, Qingdao 266071, People’s Republic of China

Corresponding Author: Shandong Li

lishd@qdu.edu.cn

Nano-Micro Letters, Vol. 10 No. 3 (2018), Article Number: 46

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.


Highlights:


1 A flower-like nanostructured composition of SnS2@CoS2 spheres associated with reduced graphene oxide (rGO) was prepared by a facile method.
2 The anode based on SnS2@CoS2–rGO composite exhibited excellent cycling stability and rate capability for sodium-ion batteries (SIBs).

Keywords

SnS2 nanosheets CoS2 nanoparticles Reduced graphene oxide (rGO) Sodium-ion batteries (SIBs)
Wang, Xia, Xueying Li, Qiang Li, Hongsen Li, Jie Xu, Hong Wang, Guoxia Zhao, Lisha Lu, Xiaoyu Lin, Hongliang Li, and Shandong Li. 2018. “Improved Electrochemical Performance Based on Nanostructured SnS2@CoS2–rGO Composite Anode for Sodium-Ion Batteries”. Nano-Micro Letters 10 (3):46. https://doi.org/10.1007/s40820-018-0200-x.
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