Flower-like SnO2/graphene composite for high-capacity lithium storage

被引:109
作者
Liu, Hongdong [1 ]
Huang, Jiamu [1 ]
Li, Xinlu [1 ]
Liu, Jia [1 ]
Zhang, Yuxin [1 ]
Du, Kun [1 ]
机构
[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
关键词
Flower-like SnO2; Graphene; Lithium-ion batteries; Anode; ION BATTERIES; ANODE MATERIAL; REVERSIBLE CAPACITY; CYCLIC PERFORMANCE; GRAPHENE OXIDE; ELECTRODE; SILICON; SNO2; NANOCOMPOSITE; STABILITY;
D O I
10.1016/j.apsusc.2012.01.119
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
Flower-like SnO2/graphene composite is synthesized by a simple hydrothermal method for high-capacity lithium storage. The as-prepared products are characterized by XRD, FTIR, FESEM, TGA and Nitrogen adsorption/desorption. The electrochemical performance of the flower-like SnO2/graphene composite is measured by cyclic voltammetry and galvanostatic charge/discharge cycling. The results show that the flower-like SnO2 nanorod clusters are 800 nm in size and homogeneously adhere on graphene sheets. The flower-like SnO2/graphene composite displays superior Li-battery performance with large reversible capacity, excellent cyclic performance and good rate capability. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:4917 / 4921
页数:5
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