Cobalt sulphide/graphene aerogel nanocomposite with enhanced anode performance for lithium energy storage

被引:5
作者
Zhu, Jia [1 ]
Zhao, Yi [1 ]
Ning, Peixiang [1 ]
Tang, Sheng [1 ]
机构
[1] Jiangsu Univ Sci & Technol, Sch Environm & Chem Engn, Zhenjiang 212003, Jiangsu, Peoples R China
关键词
Cobalt sulphide; graphene aerogel; anode material; lithium energy storage;
D O I
10.1007/s12034-020-02275-4
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Cobalt sulphide/graphene aerogel nanocomposite (CGA) is successfully fabricated via a one-pot hydrothermal approach aided with ethylenediamine. CoS nanoparticles constructed by nanoplates are uniformly anchored and well distributed on the loose graphene aerogel framework. Owing to a synergistic effect combining nanosized CoS with graphene aerogel advantages, CGA as an anode material for lithium energy storage exhibits high reversible capacity, superior long-cycle property and excellent high-rate capability. Prominently, CGA maintains a high capacity approaching similar to 1100 mAh g(-1) after 200 cycles at 100 mA g(-1). Even at 1 A g(-1), CGA still delivers a capacity of 460 mAh g(-1). This approach can be readily applicable to prepare other graphene aerogel-based nanocomposites as anode materials.
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页数:8
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