Sulfur-Nickel Foam as Cathode Materials for Lithium-Sulfur Batteries

被引：29

作者：

Cheng, J. J. ^{[1
,2
]}

Zhu, J. T. ^{[1
,2
]}

Pan, Y. ^{[1
,2
]}

Ma, Z. S. ^{[1
,2
]}

Song, H. J. ^{[1
,2
]}

Pan, J. A. ^{[1
,2
]}

Li, Z. Z. ^{[1
,2
]}

Lu, C. ^{[3
]}

机构：

[1] Xiangtan Univ, Natl Prov Lab Special Funct Thin Film Mat, Xiangtan 411105, Hunan, Peoples R China

[2] Xiangtan Univ, Sch Mat Sci & Engn, Xiangtan 411105, Hunan, Peoples R China

[3] Curtin Univ, Dept Mech Engn, Perth, WA 6845, Australia

来源：

ECS ELECTROCHEMISTRY LETTERS | 2015年 / 4卷 / 02期

基金：

国家高技术研究发展计划(863计划); 中国国家自然科学基金;

关键词：

DISCHARGE MECHANISM; ELECTRODE; ROUTE;

D O I：

10.1149/2.0011502eel

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Sulfur-nickel foam cathode materials prepared by an in situ solution-based method were served as electrode of lithium-sulfur (Li-S) batteries. At the rate of 0.5 C, the Li-S cells deliver an initial discharge capacity of 1340 mAh g(-1) and 493 mAh g(-1) after 500 cycles. It is shown that these Li-S cells are of high rate stabilities with a nearly 100% stable coulombic efficiency at various rates from 0.1 C to 5 C. The electrochemical stability of Li-S batteries is mainly due to the strong binding between the highly dispersed sulfur and nickel foam skeletons. (C) The Author(s) 2014. Published by ECS. All rights reserved.

引用

页码：A19 / A21

页数：3

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