Flower-like CoS with nanostructures as a new cathode-active material for rechargeable magnesium batteries

被引：114
|
作者：
He, Dong [1 ,2 ]
Wu, Danni [1 ,2 ]
Gao, Jing [1 ,2 ]
Wu, Xiaomei [1 ,2 ]
Zeng, Xiaoqin [1 ,2 ,3 ]
Ding, Wenjiang [1 ,2 ,3 ]
机构：
[1] Shanghai Jiao Tong Univ, Shanghai Engn Res Ctr Magnesium Mat & Applicat, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Natl Engn Res Ctr Light Alloy Net Forming, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China
[3] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2015年 / 294卷
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
Cobalt sulfide; Cathode-active material; Rechargeable magnesium batteries; Flower-like hierarchitectures; COBALT SULFIDE; ION; CAPACITY; INTERCALATION; ELECTRODES; INSERTION; SPHERES;
D O I：
10.1016/j.jpowsour.2015.06.127
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Cobalt sulfides have become promising electrode materials for lithium ion batteries while their applications in rechargeable magnesium batteries are rarely reported. In this paper, we have done some research on the electrochemical properties of cobalt sulfide (CoS) as the cathode-active material for rechargeable magnesium batteries. Flower-like CoS with nanostructures is synthesized by a facile solvothermal route. The obvious redox peaks on the cyclic voltammetric curves confirm the possibility of applications. The galvanostatic charge-discharge tests display excellent cycle stability and high coulomb efficiency. Meanwhile, the possible mechanism of charge-discharge reactions is proposed and discussed. These results show that flower-like CoS is a promising candidate as cathode-active material for rechargeable magnesium batteries. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：643 / 649
页数：7
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