Facile synthesis of ZnFe2O4-graphene aerogels composites as high-performance anode materials for lithium ion batteries

被引：26
作者：
Wang, Yu [1 ]
Jin, Yuhong [2 ]
Zhang, Rupeng [1 ]
Jia, Mengqiu [1 ]
机构：
[1] Beijing Univ Chem Technol, Beijing Key Lab Electrochem Proc & Technol Mat, Beijing 100029, Peoples R China
[2] Beijing Univ Technol, Beijing Guyue New Mat Res Inst, Beijing 100124, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2017年 / 413卷
关键词：
ZnFe2O4; Graphene aerogel; Anode materials; Lithium-ion batteries; IN-SITU SYNTHESIS; ONE-POT SYNTHESIS; STORAGE PERFORMANCE; CYCLING STABILITY; ELECTROCHEMICAL PERFORMANCE; GRAPHENE; OXIDE; NANOCOMPOSITE; MECHANISM; CAPACITY;
D O I：
10.1016/j.apsusc.2017.03.241
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：
ZnFe2O4-graphene aerogels (ZnFe2O4/GAs) composites are prepared by two-step method (hydrothermal-calcination). Highly-purified ZnFe2O4 nanoparticles are dispersed uniformly on three-dimensional (3D) GAs substrate. The mass loading of ZnFe2O4 in ZnFe2O4/GAs composites is 89.3%. Compared with pure ZnFe2O4 sample, the ZnFe2O4/GAs composites exhibit much higher irreversible capacity of 1449.4 mAh g(-1) and enhanced cycling stability (1049 mAh g(-1) at 100 mAg(-1) after 100 cycles). The improved electrochemical performance of the ZnFe2O4/GAs composites could be attributed from the synergetic effect between 3D conductive GAs and nanostructured ZnFe2O4. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：50 / 55
页数：6
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