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Influence of Li, Al Substitution for Mn on Crystal Structure and Electrochemical Performance of Li1+xMn2-x-yAlyO4 Cathode Materials

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Abstract:

Li1+xMn2-x-yAlyO4cathode materials were prepared via co-precipitation route; and the crystalline structures, morphologies and electrochemical performance of the prepared powder samples are characterized by XRD, SEM, Galvanostatic charge–discharge cycling. Experimental results show that Li, Al co-substitution significantly enforces the crystalline structures and improves the cycle stability of LiMn2O4 materials, and Li1.1Mn1.805Al0.095O4 exhibits promising electrochemical performance.

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Periodical:

Advanced Materials Research (Volume 1058)

Pages:

297-301

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1058.297

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Online since:

November 2014

Authors:

Fei Luo, Lin Zhang, Zhi Dan Li, Jian Hua Wang, Yu Zhong Guo*

Keywords:

Al and Li Co-Substitution, Cycleability, Li1+xMn2-x-yAlyO4, Lithium-Ion Battery

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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