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Issue 43, 2011
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Self-assembled lithium manganese oxide nanoparticles on carbon nanotube or graphene as high-performance cathode material for lithium-ion batteries

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Abstract

LiMn2O4–carbon composites composed of ∼7 nm LiMn2O4 nanoparticles homogeneously anchored on conducting carbon nanotubes and graphene nanosheets were fabricated via a self-assembly process combined with solid-state lithiation. Owing to improved Li diffusion kinetics achieved by the small particle size and intimate electrical contact with a porous, conducting carbon matrix, reversible capacities close to the theoretical value with enhanced power capability and cyclability were attained for these highly crystalline LiMn2O4–carbon composite cathodes. The facile self-assembly approach can be readily adapted to different carbon supports and could serve as a general synthetic strategy towards controlled fabrication of other functional hybrids for high-performance energy storage devices.

Graphical abstract: Self-assembled lithium manganese oxide nanoparticles on carbon nanotube or graphene as high-performance cathode material for lithium-ion batteries

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Article information


Submitted
27 May 2011
Accepted
01 Sep 2011
First published
30 Sep 2011

J. Mater. Chem., 2011,21, 17297-17303
Article type
Paper

Self-assembled lithium manganese oxide nanoparticles on carbon nanotube or graphene as high-performance cathode material for lithium-ion batteries

X. Zhao, C. M. Hayner and H. H. Kung, J. Mater. Chem., 2011, 21, 17297
DOI: 10.1039/C1JM12373D

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