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

页码：50 / 55

页数：6

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