期刊
ELECTROCHIMICA ACTA
卷 220, 期 -, 页码 107-113出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2016.09.149
关键词
Fe3O4@C nanospheres; Anode; Full cell lithium-ion batteries; High coulombic efficiency
资金
- National Natural Science Foundation of China [61404064, 11674138]
- Specialized Research Fund for the Doctoral Program of Higher Education [20120211130005]
The core-shell structural Fe3O4@C nanospheres have been facilely fabricated using ferrocene as a starting material.(*) The obtained architecture shows unique morphology and, as an anode of half cell lithium-ion batteries, delivers an initial coulombic efficiency as high as 80% and a high reversible capacity of 736 mAhg-(1) at 0.3 Ag-1 after 80 cycles. Even at an ultrahigh current density of 10 Ag-1, the reversible capacity is 234 mAhg(-1). Also, Fe3O4@C nanospheres electrode was paired with commercial LiCoO2 electrode to design a novel full cell, which shows a superior electrochemical performance. (C) 2016 Elsevier Ltd. All rights reserved.
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