期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 509, 期 24, 页码 L216-L220出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2011.03.151
关键词
Iron oxide; Graphene nanosheets; Anode material; Lithium ion batteries
资金
- National Natural Science Foundation of China [21061130551, 20873099, 10974152]
- National Basic Research Program of China (973 Program) [2009CB626611]
- Ph. D. Programs Foundation of Ministry of Education of China [20096101110002]
- NWU [09YYB04]
- National Innovation Experiment Program For University Students [091069710]
The micro-sized sphere Fe2O3 particles doped with graphene nanosheets were prepared by a facile hydrothermal method. The obtained Fe2O3/graphene composite as the anode material for lithium ion batteries showed a high discharge capacity of 660 mAh g(-1) during up to 100 cycles at the current density of 160 mA g(-1) and good rate capability. The excellent electrochemical performance of the composite can be attributed to that graphene served as dispersing medium to prevent Fe2O3 microparticles from agglomeration and provide an excellent electronic conduction pathway. (C) 2011 Elsevier B.V. All rights reserved.
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