Hierarchical MoO2/C microspheres: Preparation and application as anode materials for lithium ion batteries
Li, Xiao-yan1,2,3; Xiao, Qing-gui1,2; Gao, Yi-ying1,2; Zhang, Hong-ling1,2; Xu, Hong-bin1,2; Zhang, Yi1,2
2017-11-05
发表期刊JOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
卷号723期号:NOV页码:1113-1120
摘要

Hierarchical MoO2/C microsphere has been successfully prepared via a template-assisted process in the presence of polyethylene glycol followed by thermal annealing. The as-synthesized MoO2/C microsphere with a diameter of about 1.5 mu m had rough surface and good monodispersity. Notably, each microsphere consisted of many nanoparticles with a size of about 20 nm and existed abundant of porous. The MoO2/C microsphere was used as an anode material for lithium ion batteries and its electrical property was also determined in this work. At a current density of 100 mA g(-1), the MoO2/C composite exhibited the discharge specific capacity of 768 mAh g(-1) in the first cycle and 800 mAh g(-1) after 300 cycles. Even at a high current density of 500 mA g(-1), the discharge specific capacity of 565 mAh g(-1) can be maintained after 300 cycles. Such high capacity and excellent cycling stability might be attributed to the hierarchical and porous structure of the MoO2/C, greatly enhancing lithium ions transport and buffering the volume change. Several advantages such as the high electrochemical performance, mild reaction conditions and structural controllability render the hierarchical MoO2/C microsphere as a potential anode material for high performance Li-ion batteries. (C) 2017 Elsevier B.V. All rights reserved.

关键词Lithium Ion Batteries Anode Materials Moo2/c Hierarchical Microsphere
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jallcom.2017.06.274
收录类别SCI
语种英语
关键词[WOS]HIGH-PERFORMANCE ANODE ; CATHODE MATERIALS ; HIGH-CAPACITY ; ELECTROCHEMICAL PERFORMANCES ; ELECTRODE MATERIALS ; VANADIUM-OXIDE ; LI STORAGE ; CARBON ; NANOWIRES ; SPHERES
WOS研究方向Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
项目资助者National Natural Science Foundation of China(21376251 ; National Basic Research Development Program of China(2013CB632600) ; 21406233)
WOS记录号WOS:000407009400138
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23155
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Li, Xiao-yan,Xiao, Qing-gui,Gao, Yi-ying,et al. Hierarchical MoO2/C microspheres: Preparation and application as anode materials for lithium ion batteries[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2017,723(NOV):1113-1120.
APA Li, Xiao-yan,Xiao, Qing-gui,Gao, Yi-ying,Zhang, Hong-ling,Xu, Hong-bin,&Zhang, Yi.(2017).Hierarchical MoO2/C microspheres: Preparation and application as anode materials for lithium ion batteries.JOURNAL OF ALLOYS AND COMPOUNDS,723(NOV),1113-1120.
MLA Li, Xiao-yan,et al."Hierarchical MoO2/C microspheres: Preparation and application as anode materials for lithium ion batteries".JOURNAL OF ALLOYS AND COMPOUNDS 723.NOV(2017):1113-1120.
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