Preparation and electrochemical characterization of the porous sulfur cathode using a gelatin binder

被引：90

作者：

Sun, Jing ^{[1
]}

Huang, Yaqin ^{[1
]}

Wang, Weikun ^{[2
]}

Yu, Zhongbao ^{[2
]}

Wang, Anbang ^{[2
]}

Yuan, Keguo ^{[2
]}

机构：

[1] Beijing Univ Chem Technol, Dept Mat Sci & Engn, Beijing 100029, Peoples R China

[2] Chem Def Inst, Mil Power Sources Res & Dev Ctr, Beijing 100083, Peoples R China

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2008年 / 10卷 / 06期

关键词：

gelatin; porous structure; binder; lithium-sulfur battery; electrochemical performances;

D O I：

10.1016/j.elecom.2008.04.016

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A novel porous sulfur cathode in which a gelatin was used as the binder was prepared by using a freeze-drying method at -58 degrees C. The porous structure provides channels for electrolyte infiltration and then facilitates ion diffusion. This porous sulfur cathode has a high initial capacity of 1235 mAh g(-1) and a high reversible capacity of 626 mAh g(-1) after 50 cycles, both of which are higher than that of the normal cathodes with compact structures. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：930 / 933

页数：4

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