Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 11, Issue 4, Pages 791-794Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2009.01.040
Keywords
MnO; Anode; Thin film; PLD; Overpotential; Lithium ion batteries
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Funding
- NSFC [50672122, 50730005, 2006AA03Z228, 2007CB936501]
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Nanocrystalline MnO thin film has been prepared by a pulsed laser deposition (PLD) method. The reversible lithium storage capacity of the MnO thin film electrodes at 0.125C is over 472 mAh g(-1) (3484 mAh cm(-3)) and can be retained more than 90% after 25 cycles. At a rate of 6C, 55% value of the capacity at 0.125C rate can be obtained for both charge and discharge. As-prepared MnO thin film electrodes show the lowest values of overpotential for both charge and discharge among transition metal oxides. All these performances make MnO a promising high capacity anode material for Li-ion batteries. (C) 2009 Elsevier B.V. All rights reserved.
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