MOF-derived carbon-encapsulated cobalt sulfides orostachys-like micro/nano-structures as advanced anode material for lithium ion batteries

被引：51

作者：

Yang, Tao ^{[1
,2
,3
]}

Yang, Dexin ^{[1
]}

Liu, Yangai ^{[4
]}

Liu, Jue ^{[3
]}

Chen, Yifan ^{[1
]}

Bao, Liang ^{[1
]}

Lu, Xiaoxiao ^{[1
]}

Xiong, Qinqin ^{[1
]}

Qin, Haiying ^{[1
]}

Ji, Zhenguo ^{[1
]}

Ling, Chris D. ^{[5
]}

Zheng, Rongkun ^{[3
]}

机构：

[1] Hangzhou Dianzi Univ, Coll Mat & Environm Engn, Hangzhou 310036, Zhejiang, Peoples R China

[2] Engn Res Ctr Nonmetall Minerals Zhejiang Prov, Hangzhou, Zhejiang, Peoples R China

[3] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia

[4] China Univ Geosci, Sch Mat Sci & Technol, Beijing Key Lab Mat Utilizat Nonmetall Minerals &, Natl Lab Mineral Mat, Beijing 100083, Peoples R China

[5] Univ Sydney, Sch Chem, Sydney, NSW 2006, Australia

来源：

ELECTROCHIMICA ACTA | 2018年 / 290卷

基金：

中国国家自然科学基金; 中国博士后科学基金; 澳大利亚研究理事会;

关键词：

MOFs; Transition metal sulfides; Lithium storage; Pseudocapacitive behaviors; Hierarchical structures; METAL-ORGANIC FRAMEWORK; HOLLOW MICROSPHERES; ENERGY-CONVERSION; AT-CARBON; PERFORMANCE; NANOSHEETS; NANOCOMPOSITES; NANOPARTICLES; COMPOSITES; OCTAHEDRA;

D O I：

10.1016/j.electacta.2018.08.084

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Carbon-encapsulated transitional metal sulfides are considered as a promising anode material candidate for lithium ion batteries. Herein, a simple process is developed to synthesize 3D orostachys-like cobalt sulfides/C composites. This process is associated with the rational design of metal organic frameworks (MOFs) and subsequent in-situ sulfurization. Benefit from its unique structures, this novel 3D orostachys-like cobalt sulfides@C composites delivers an excellent charge capacity of 791 mAh g(-1) after 100 cycles at 0.2 A g(-1) as well as high stability of 667 mA g(-1) after 700 cycles at 1 A g(-1). Pseudocapacitive behaviors enhanced the electrochemical performance of 3D orostachys-like cobalt sulfides@C composites. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：193 / 202

页数：10

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