Preparation and Electrochemical Performance of Hollow Carbon Spheres/Sulfur Composite

Authors

Jun ZANG, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;
Hang QIAN, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;
Er-man ZENG, Amoy Institute of Technovation, Xiamen 361001, Fujian, China
Juan-ni FU, Amoy Institute of Technovation, Xiamen 361001, Fujian, China
Ming-sen ZHENG, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;
Quan-feng DONG, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;

Corresponding Author

Quan-feng DONG(qfdong@xmu.edu.cn)

Abstract

Hollow carbon spheres were prepared by the PMMA template. Hollow carbon spheres/sulfur composite was made from sulfur and hollow carbon spheres as a conducting framework. The results of SEM and TEM showed that sulfur was uniformly filled in both of the shell and hollow core of hollow carbon spheres. The electrochemical performance of hollow carbon spheres/sulfur composite was characterized by the charge/discharge method. The results showed the excellent rate and cycle performance of hollow carbon spheres/sulfur composite. The reversible capacities of hollow carbon spheres/sulfur composite are 1145 mAh·g^-1, 824 mAh·g^-1, 702 mAh·g^-1, 586 mAh·g^-1 and 395 mAh·g^-1 at the current densities of 100 mA·g^-1, 500 mA·g^-1, 1 A·g^-1, 2 A·g^-1 and 5 A·g^-1, respectively.

Keywords

hollow carbon sphere, ithium-sulfur batteries, composite

DOI Link

https://doi.org/10.61558/2993-074X.2948

Publication Date

2013-06-28

Online Available Date

2013-01-28

Revised Date

2013-01-23

Received Date

2012-10-12

Recommended Citation

Jun ZANG, Hang QIAN, Er-man ZENG, Juan-ni FU, Ming-sen ZHENG, Quan-feng DONG. Preparation and Electrochemical Performance of Hollow Carbon Spheres/Sulfur Composite[J]. Journal of Electrochemistry, 2013 , 19(3): Article 1.
DOI: 10.61558/2993-074X.2948
Available at: https://jelectrochem.xmu.edu.cn/journal/vol19/iss3/1

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