A facile method for in-situ synthesis of SnO2/graphene as a high performance anode material for lithium-ion batteries

被引:32
|
作者
Wu, Guiliang [1 ]
Wu, Mingbo [1 ]
Wang, Ding [2 ]
Yin, Linghong [1 ]
Ye, Jiashun [1 ]
Deng, Shenzhen [1 ]
Zhu, Zhiyuan [1 ]
Ye, Wenjun [1 ]
Li, Zhongtao [1 ]
机构
[1] China Univ Petr, State Key Lab Heavy Oil Proc, Qingdao 266580, Peoples R China
[2] Shanghai Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai 200093, Peoples R China
基金
中国国家自然科学基金;
关键词
Facile method; SnO2/graphene nanocomposites; Varied proportions; Synergistic effect; Li-ion batteries; SNO2; NANOPARTICLES; GRAPHENE SHEETS; STORAGE; TIN; COMPOSITE; CAPACITY; OXIDE; DEPOSITION; NANOTUBES; GRAPHITE;
D O I
10.1016/j.apsusc.2014.07.188
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
A facile, moderate, and environment-friendly method for in-situ preparation of SnO2/graphene nanocomposites (SnO2/GNs) was proposed. The structures and morphology as well as electrochemical behaviors of SnO2/GNs with varied proportions of SnO2 and graphene were characterized by X-ray diffraction, Fourier transform infrared spectrometry, transmission electron microscopy and relevant electrochemical property tests. The results reveal that the ratios of SnO2 to graphene have a significant effect on the structures and properties of SnO2/GNs. SnO2/GN-50 containing 50% SnO2 delivers a high specific capacity of 540 mAh g(-1) even after 90 cycles at a current density of 100 mA g(-1), which is attributed to the synergistic effect of a unique combination of SnO2 nanoparticles and graphene sheets, indicating that SnO2/GNs might have a promising future as anode material in Li-ion batteries. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:400 / 406
页数:7
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