Mesoporous CoFe2O4 octahedra with high-capacity and long-life lithium storage properties

被引：9

作者：

Guo, Jinxue ^{[1
]}

Zhang, Xiaohong ^{[1
]}

Sun, Yanfang ^{[2
]}

Zhang, Xiao ^{[1
]}

机构：

[1] Qingdao Univ Sci & Technol, Key Lab Sensor Anal Tumor Marker, Lab Inorgan Synth & Appl Chem, Minist Educ,Coll Chem & Mol Engn, Qingdao 266042, Peoples R China

[2] Agr Univ Hebei, Coll Sci & Technol, Cangzhou 061100, Peoples R China

来源：

RSC ADVANCES | 2016年 / 6卷 / 01期

基金：

中国国家自然科学基金;

关键词：

HIGH-PERFORMANCE ANODES; HIGH-RATE CAPABILITY; ION BATTERIES; ELECTRODE MATERIALS; NEGATIVE-ELECTRODE; NANOTUBES; NANORODS; CO;

D O I：

10.1039/c5ra21311h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this work, we present the synthesis of mesoporous CoFe2O4 octahedra via the sol-gel method and their application as anode materials for lithium-ion batteries. The samples are characterized with XRD, SEM, and BET techniques. Based on the combined advantages of porous features, anisotropic octahedral structural stability, and multicomponent effect, CoFe2O4 achieves good electrochemical lithium storage, especially with a high capacity (992 mA h g(-1) at 0.1 A g(-1) after 200 cycles) and ultralong cyclic life (3000 cycles at 5 A g(-1)). Moreover, the structural stability of CoFe2O4 octahedra is probed by decomposing the electrodes after they have been cycled.

引用

收藏

页码：18 / 22

页数：5

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