Sulfur encapsulated ZIF-8 as cathode material for lithium-sulfur battery with improved cyclability

被引：81

作者：

Wang, Ziqi ^{[1
]}

Dou, Zhongshang ^{[1
]}

Cui, Yuanjing ^{[1
]}

Yang, Yu ^{[1
]}

Wang, Zhiyu ^{[1
]}

Qian, Guodong ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, Cyrus Tang Ctr Sensor Mat & Applicat, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2014年 / 185卷

基金：

中国国家自然科学基金;

关键词：

Sulfur encapsulation; Metal-organic frameworks; Lithium-sulfur battery; METAL-ORGANIC FRAMEWORKS; CARBON; CAPACITY; PORES; POLYSULFIDE; RECOGNITION; COMPOSITES; ACETYLENE; STRATEGY; STORAGE;

D O I：

10.1016/j.micromeso.2013.11.011

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Through the melt-diffusion method, S@ZIF-8, a sulfur and metal-organic framework (MOFs) ZIF-8 composite material has been synthesized and utilized as cathode for lithium sulfur battery. Encapsulated into the matrix of ZIF-8, sulfur molecules are restricted in the cages with small apertures and the dissolution problem during the charge/discharge process has been alleviated. Owing to the strong confinement of ZIF-8 matrix to the sulfur molecules inside, the Li-S@ZIF-8 battery shows a reverse capacity of similar to 510 mAh/g after 100 cycles at a 0.1 C charge/discharge rate, enabling the S@MOFs materials promising candidates for novel lithium-sulfur battery cathodes. (C) 2013 Elsevier Inc. All rights reserved.

引用

页码：92 / 96

页数：5

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