碳空心球/硫复合材料制备和电化学性能研究

doi:10.61558/2993-074X.2948

电化学（中英文） ›› 2013, Vol. 19 ›› Issue (3): 195-198. doi: 10.61558/2993-074X.2948

• 锂离子和燃料电池近期研究专辑（厦门大学董全峰教授主编） • 下一篇

碳空心球/硫复合材料制备和电化学性能研究

臧俊¹，钱航¹，曾尔曼²，付娟妮²，郑明森¹，董全峰¹

1. 厦门大学固体表面物理化学国家重点实验室，化学化工学院化学系，福建厦门 361005； 2. 厦门产业技术研究院，福建厦门，361001

收稿日期:2012-10-12 修回日期:2013-01-23 出版日期:2013-06-28 发布日期:2013-01-28
基金资助:
国家自然科学基金项目（No. 200933005，No. 21021002）、973项目（No. 2009CB220102）和厦门市纯电动汽车重大专项（No. 3502Z20121002）资助

Preparation and Electrochemical Performance of Hollow Carbon Spheres/Sulfur Composite

ZANG Jun¹, QIAN Hang¹, ZENG Er-man², FU Juan-ni², ZHENG Ming-sen¹, DONG Quan-feng^1*

1. State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China; 2. Amoy Institute of Technovation, Xiamen 361001, Fujian, China

Received:2012-10-12 Revised:2013-01-23 Published:2013-06-28 Online:2013-01-28

摘要/Abstract

摘要： 采用PMMA为模板制备碳空心球材料，并以碳空心球材料为导电骨架与硫材料复合制得碳空心球/硫复合材料. SEM和TEM照片显示，硫材料能均匀地填充在碳空心球的孔道和腔体内部. 采用恒电流充放电测试碳空心球/硫复合电极的电化学性能. 结果表明，在100 mA·g^-1、500 mA·g^-1、1 A·g^-1、2 A·g^-1 和5 A·g^-1电流密度下，碳空心球/硫复合电极可逆放电容量分别为1145 mAh·g^-1、824 mAh·g^-1、702 mAh·g^-1、586 mAh·g^-1和395 mAh·g^-1，呈现出较优异的倍率循环寿命.

关键词: 碳空心球, 锂硫电池, 复合材料

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.

Key words: hollow carbon sphere, ithium-sulfur batteries, composite

中图分类号:

O646

臧俊, 钱航, 曾尔曼, 付娟妮, 郑明森, 董全峰. 碳空心球/硫复合材料制备和电化学性能研究[J]. 电化学（中英文）, 2013, 19(3): 195-198.

ZANG Jun, QIAN Hang, ZENG Er-Man, FU Juan-Ni, ZHENG Ming-Sen, DONG Quan-Feng. Preparation and Electrochemical Performance of Hollow Carbon Spheres/Sulfur Composite[J]. Journal of Electrochemistry, 2013, 19(3): 195-198.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.61558/2993-074X.2948

https://electrochem.xmu.edu.cn/CN/Y2013/V19/I3/195

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碳空心球/硫复合材料制备和电化学性能研究

Preparation and Electrochemical Performance of Hollow Carbon Spheres/Sulfur Composite

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