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Issue 40, 2015
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Impact of lithium excess on the structural and electrochemical properties of the LiNi0.5Mn1.5O4 high-voltage cathode material

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Abstract

LiNi0.5Mn1.5O4-based cathode materials are synthesized by a one-step nonaqueous co-precipitation method. Appropriate excess lithium ions can extrude transition metal ions out of tetrahedral 8a sites, which could have a higher effect on the rate performance of LiNi0.5Mn1.5O4 than the well-known factor, i.e. cationic order degree in 16d octahedral sites.

Graphical abstract: Impact of lithium excess on the structural and electrochemical properties of the LiNi0.5Mn1.5O4 high-voltage cathode material

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Supplementary files

Article information


Submitted
12 Aug 2015
Accepted
10 Sep 2015
First published
14 Sep 2015

J. Mater. Chem. A, 2015,3, 20103-20107
Article type
Communication
Author version available

Impact of lithium excess on the structural and electrochemical properties of the LiNi0.5Mn1.5O4 high-voltage cathode material

Y. Deng, S. Zhao, P. Zhai, G. Cao and C. Nan, J. Mater. Chem. A, 2015, 3, 20103 DOI: 10.1039/C5TA06339F

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