Co9S8 nanoparticles embedded into amorphous carbon as anode materials for lithium-ion batteries

被引：32

作者：

Jiang, Wenwu ^{[1
]}

Liu, Qiuhong ^{[1
]}

Peng, Jinfeng ^{[2
]}

Jiang, Yunhong ^{[1
]}

Ding, Yanhuai ^{[1
]}

Wei, Qin ^{[3
]}

机构：

[1] Xiangtan Univ, Inst Rheol Mech, Xiangtan 411105, Peoples R China

[2] Xiangtan Univ, Sch Mech Engn, Xiangtan 411105, Peoples R China

[3] Changsha Univ Sci & Technol, Coll Mat Sci & Engn, Changsha 410114, Hunan, Peoples R China

来源：

NANOTECHNOLOGY | 2020年 / 31卷 / 23期

基金：

中国国家自然科学基金;

关键词：

Co9S8/C composites; electrospinning method; electrochemical properties; LONG-LIFE ANODE; HIGH-CAPACITY; HOLLOW NANOSPHERES; OXYGEN REDUCTION; MESOPOROUS CO9S8; PERFORMANCE; COMPOSITES; STORAGE; COS; MICROSPHERES;

D O I：

10.1088/1361-6528/ab7887

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this paper, Co9S8 nanoparticles embedded into amorphous carbon have been synthesized by a simple electrospinning method followed by a high-temperature annealing process. The unique structure endows the Co9S8/C composites with excellent electrochemical properties. Co9S8 particles embedded into the carbon matrix show a high Li storage capacity around 1100 and 358 mAhg(-1) at a current density of 0.1 and 5.0 Ag-1, respectively. After 200 cycles, an impressive discharge capacity of around 1063.4 mAhg(-1) can be obtained at a current density of 0.3 Ag-1.

引用

页数：8

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