Journal
JOURNAL OF POWER SOURCES
Volume 195, Issue 17, Pages 5442-5451Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2010.03.067
Keywords
Spinel LiNi0.5Mn1.5O4; High voltage; Cathode material; Lithium-ion batteries
Funding
- U.S-DOD-ARO-Electrochemistry and Advanced Energy Conversion Division [W911NF-08-C-0415]
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Lithium-ion batteries are now considered to be the technology of choice for future hybrid electric and full electric vehicles to address global warming. LiCoO2 has been the most widely used cathode material in commercial lithium-ion batteries. Since LiCoO2 has economic and environmental issues, intensive research has been directed towards the development of alternative low cost, environmentally friendly cathode materials as possible replacement of LiCoO2. Among them, spinel LiNio.sMn1.504 material is one of the promising and attractive cathode materials for next generation lithium-ion batteries because of its high voltage (4.7 V), acceptable stability, and good cycling performance. Research advances in high voltage spinel LiNi0.5Mn1.5O4 are reviewed in this paper. Developments in synthesis, structural characterization, effect of doping, and effect of coating are presented. In addition to conventional synthesis methods, several alternative synthesis methods are also summarized. Apart from battery performance, the application of spine! LiNi0.5Mn1.5O4 material in asymmetric supercapacitors is also discussed. (C) 2010 Elsevier B.V. All rights reserved.
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