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Energies 2013, 6(3), 1718-1730; doi:10.3390/en6031718

Preparation and Doping Mode of Doped LiMn2O4 for Li-Ion Batteries

* ,
Faculty of Material Science and Chemistry, China University of Geosciences, Wuhan 430074, China
* Author to whom correspondence should be addressed.
Received: 5 January 2013 / Revised: 2 March 2013 / Accepted: 6 March 2013 / Published: 12 March 2013
(This article belongs to the Special Issue Li-ion Batteries and Energy Storage Devices)
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Spinel LiMn2O4 is an appealing candidate cathode material for Li-ion rechargeable batteries, but it suffers from severe capacity fading, especially at higher temperature (55 °C) during discharging/charging. In recent years, many attempts have been made to synthesize modified LiMn2O4. This paper reviews the recent research on the preparation and doping modes of doped LiMn2O4 for modifying the LiMn2O4. We firstly compared preparation methods for doped spinel LiMn2O4, such as solid state reactions and solution synthetic methods. Then we mainly discuss doping modes reported in recent years, such as bulk doping, surface doping and combined doping. A comparison of different doping modes is also provided. The research shows that the multiple-ion doping and combined doping modes of LiMn2O4 used in Li-ion battery are excellent for improving different aspects of the electrochemical performance which holds great promise in the future. From this paper, we also can see that spinel LiMnO4 as an attractive candidate cathode material for Li-ion batteries.
Keywords: LiMn2O4; preparation; doped; Li-ion batteries LiMn2O4; preparation; doped; Li-ion batteries
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Liu, Q.; Wang, S.; Tan, H.; Yang, Z.; Zeng, J. Preparation and Doping Mode of Doped LiMn2O4 for Li-Ion Batteries. Energies 2013, 6, 1718-1730.

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