Deposition of Nanocrystal Co3O4 on Graphene Nanosheets as Anode Materials for Lithium Ion Batteries

被引：0

作者：

Fan, Shan ^{[1
,2
]}

Zhang, Yong ^{[1
,2
]}

Ma, Xiangang ^{[3
]}

Yan, Eryun ^{[1
]}

Liu, Xijun ^{[1
,2
]}

Li, Shuhua ^{[1
]}

Liang, Wenchao ^{[1
]}

Zhai, Xiaodong ^{[1
]}

机构：

[1] Qiqihar Univ, Coll Mat Sci & Engn, Qiqihar 161006, Peoples R China

[2] Coll Heilongjiang Prov, Key Lab Polymer Composit & Modificat, Harbin, Peoples R China

[3] Chinese Acad Sci, Dalian Inst Chem Phys, Beijing 100864, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2013年 / 8卷 / 08期

关键词：

Cobalt oxide; Graphene; Nanocrystalline materials; Lithium-ion battery; REVERSIBLE CAPACITY; NANOPARTICLES; MORPHOLOGY;

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

We report a facile strategy to synthesize the nanocomposite of Co3O4 nanoparticles anchored on conducting graphene as an advanced anode material for high-performance lithium-ion batteries. The nanocomposite was characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron spectroscopy (SEM) and transmission electron microscopy (TEM). It was found that the Co3O4 nanoparticles obtained are 10-30 nm in size and homogeneously anchor on graphene sheets as spacers to keep the neighboring sheets separated. The electrochemical properties of this Co3O4/grapheme nanocomposite as an anode material for lithium-ion batteries is evaluated. The nanocomposite displays superior Li-battery performance with the high capacity, superior rate capability, and excellent cyclic stability.

引用

页码：10498 / 10505

页数：8

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