Tailoring hollow microflower-shaped CoSe2 anodes in sodium ion batteries with high cycling stability

Chemical Communications : Chem Comm
Xiaoqing MaWenxi Zhao

Abstract

Hollow microflower-shaped CoSe2 particles were successfully constructed and further evaluated as an anode material for sodium-ion batteries. It yielded a large discharge capacity of 220 mA h g-1 and ultralong cycle life of 1690 cycles at 1 A g-1. This ultralong cycle life can be attributed to a surface-controlled pseudocapacitive behavior and resulting rapid electron/sodium ion transport.

References

Jan 23, 2009·Journal of the American Chemical Society·Torsten BrezesinskiSarah H Tolbert
Sep 8, 2010·Nanoscale·Yonggang WangHaoshen Zhou
Oct 14, 2014·Journal of the American Chemical Society·Youwen LiuYi Xie
Jan 7, 2015·ACS Applied Materials & Interfaces·Hongxiu ZhangXingwang Zhang
Apr 23, 2015·Advanced Materials·Kai ZhangJun Chen
Jul 3, 2015·Chemical Society Reviews·Jian QiDan Wang
Feb 6, 2014·The Journal of Physical Chemistry Letters·Shanmu DongLiquan Chen
Aug 17, 2016·Advanced Materials·Xusheng WangMianqi Xue

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Methods Mentioned

BETA
X-ray
scanning electron microscopy
transmission electron microscopy

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