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Effect of Mn–Doping Content on the Microstructure and Crystallite Size of LiNi0.85-xCo0.15MnxO2 Cathode Materials

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Abstract:

A series of Mn-doped LiNi0.85−xCo0.15MnxO2 compounds (x= 0, 0.1, 0.2 and 0.4) were prepared by the co-precipitation method. The effect and mechanism of Mn–doping on the microstructures and crystallite sizes of LiNi0.85−xCo0.15MnxO2 cathode materials were studied. The non-equivalent substitution of Mn ions for Ni ions induces a decrease in the average valence of nickel ions. The Mn-doping promotes the formation of the single phase compounds with more ordered structure.

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Periodical:

Key Engineering Materials (Volumes 368-372)

Pages:

274-277

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.368-372.274

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Online since:

February 2008

Authors:

Yi Jie Gu, C.L. Wang, Hongzhi Cui, H.K. Wu, X.W. Huang, X.B. Liu, Y.M. Wang, Z.N. Yang, H. Huo

Keywords:

Lattice Parameter, LiNi0.85-xCo0.15MnxO2, Mn-Doping

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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