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Nano Research 2010, 3(10): 733-737 https://doi.org/10.1007/s12274-010-0037-1
Research Article | Open Access | Issue | Published: 21 September 2010

LiMn2O4 Microspheres: Synthesis, Characterization and Use As a Cathode in Lithium Ion Batteries

Show Author's Information Xiaoling Xiao,  Jun Lu,  Yadong Li( )
Department of Chemistry and State Key Laboratory of New Ceramics and Fine ProcessingTsinghua UniversityBeijing100084China
Keywords:
particle size, rate capability, Cathode, LiMn2O4 microspheres, tap density
Cite this article:
Xiao X, Lu J, Li Y. LiMn2O4 Microspheres: Synthesis, Characterization and Use As a Cathode in Lithium Ion Batteries. Nano Research, 2010, 3(10): 733-737. https://doi.org/10.1007/s12274-010-0037-1
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Abstract Full text About this article

Solid and hollow microspheres of LiMn2O4 have been synthesized by lithiating MnCO3 solid microspheres and MnO2 hollow microspheres, respectively. The LiMn2O4 solid microspheres and hollow microspheres had a similar size of about 1.5 μm, and the shell thickness of the hollow microspheres was only 100 nm. When used as a cathode material in lithium ion batteries, the hollow microspheres exhibited better rate capability than the solid microspheres. However, the tap density of the LiMn2O4 solid microspheres (1.0 g/cm3) was about four times that of the hollow microspheres (0.27 g/cm3). The results show that controlling the particle size of LiMn2O4 is very important in terms of its practical application as a cathode material, and LiMn2O4 with moderate particle size may afford acceptable values of both rate capability and tap density.


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About this article

LiMn2O4 Microspheres: Synthesis, Characterization and Use As a Cathode in Lithium Ion Batteries

Show Author's information Xiaoling Xiao, Jun Lu, Yadong Li( )
Department of Chemistry and State Key Laboratory of New Ceramics and Fine ProcessingTsinghua UniversityBeijing100084China

Abstract

Solid and hollow microspheres of LiMn2O4 have been synthesized by lithiating MnCO3 solid microspheres and MnO2 hollow microspheres, respectively. The LiMn2O4 solid microspheres and hollow microspheres had a similar size of about 1.5 μm, and the shell thickness of the hollow microspheres was only 100 nm. When used as a cathode material in lithium ion batteries, the hollow microspheres exhibited better rate capability than the solid microspheres. However, the tap density of the LiMn2O4 solid microspheres (1.0 g/cm3) was about four times that of the hollow microspheres (0.27 g/cm3). The results show that controlling the particle size of LiMn2O4 is very important in terms of its practical application as a cathode material, and LiMn2O4 with moderate particle size may afford acceptable values of both rate capability and tap density.

Keywords: particle size, rate capability, Cathode, LiMn2O4 microspheres, tap density

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Publication history

Received: 23 July 2010
Revised: 26 August 2010
Accepted: 27 August 2010
Published: 21 September 2010
Issue date: October 2010

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© The Author(s) 2010

Acknowledgements

Acknowledgements

This work was supported by the National Nature Science Foundation of China (NSFC) (Nos. 20921001 and 90606006) and the Tsinghua University Initiative Scientific Research Program (No. 2009HTZ08).

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