期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 10, 期 8, 页码 1117-1120出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2008.05.026
关键词
ZnMn2O4 nanocrystals; anode; lithium ion batteries; polymer-pyrolysis
资金
- National Basic Research Program of China [2007CB613301]
- Grant 2007CB613301), National Science Foundation of China [20503009, 20777026]
- New Century Excellent Talents in University [NCET-07-0352]
- Ministry of Education of China [108097]
Nanocrystalline ZnMn2O4 is prepared by a polymer-pyrolysis route and used as a novel anode for lithium ion batteries. XRD and HRTEM studies reveal that the products are highly phase-pure and 30-60 nm in size. Galvanostatic cycling of ZnMn2O4 electrode at 100 mA g(-1) (about 0.52 mA cm(-2)) between 0.01 and 3.0 V up to 50 cycles exhibits almost stable cycling performance between 10 and 50 cycles with only an average capacity fade of 0.20% per cycle and the electrode still maintains a capacity of 569 mAh g(-1) after 50 cycles. (C) 2008 Elsevier B.V. All rights reserved.
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