Impact of Molecular Sieve SBA-15 on the Electrochemical Performance of Lithium Sulfur Batteries

化学工业与工程

Chemcial Industry and Engineering

2018, Vol. 35

Issue (5) :35-41 DOI: 10.13353/j.issn.1004.9533.20161102

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Impact of Molecular Sieve SBA-15 on the Electrochemical Performance of Lithium Sulfur Batteries

Li Xia, Tian Jianhua, Shan Zhongqiang

School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

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Abstract In order to solve the main problems existed in the lithium sulfur battery, a certain amount of mesoporous molecular sieve SBA-15 was added into the sulfur electrode. The physical structures of SBA-15 were determined by scanning electron microscopy, transmission electron microscopy and nitrogen adsorption methods, the electrochemical performance of cells were characterized by cycling tests. The results indicate that the cell with 1% SBA-15 (SCS-1.0) shows excellent electrochemical performance, the specific discharge capacity of SCS-1.0 cell was 200 mAh·g^-1 higher than that of SC cell at the 300th cycle. So the addition of 1% SBA-15 is beneficial to improve the electrochemical performance of lithium sulfur batteries.

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	Li Xia
	Tian Jianhua
	Shan Zhongqiang

Keywords： lithium sulfur batteries； sulfur electrode； mesoporous molecular sieve SBA-15； porous material； absorption

Received 2016-05-26;

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Li Xia, Tian Jianhua, Shan Zhongqiang.Impact of Molecular Sieve SBA-15 on the Electrochemical Performance of Lithium Sulfur Batteries[J] Chemcial Industry and Engineering, 2018,V35(5): 35-41

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