期刊
SCRIPTA MATERIALIA
卷 65, 期 4, 页码 339-342出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2011.05.001
关键词
Cerium oxide; Graphene; Nanocomposite; Lithium ion battery; Electrochemistry
类别
资金
- National Natural Science Foundation of China [21061130551, 10974152]
- National Basic Research Program of China (973 Program) [2009CB626611]
- PhD Programs Foundation of Ministry of Education of China [20096101110002]
- NWU [09YYB04]
A nanocomposite of CeO(2) graphene was prepared by a simple hydrothermal method and its electrochemical properties were investigated as a possible anode material for lithium ion batteries. Morphological characterization revealed that quasi-spherical CeO(2) particles with a size of similar to 100 nm were dispersed randomly on the graphene matrix. The nanocomposite shows a greater capacity for reversal and a better performance rate than a bare CeO(2) electrode. The better electrochemical performance could be attributed to the unique structure of the nanocomposite, which combines the conductive graphene network with dispersed CeO(2) particles. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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