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Nano Lett. 2013 May 8;13(5):2036-40. doi: 10.1021/nl400199r. Epub 2013 Apr 5.

LiMn2O4 nanotube as cathode material of second-level charge capability for aqueous rechargeable batteries.

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1
New Energy and Materials Laboratory (NEML), Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, China.

Abstract

LiMn2O4 nanotube with a preferred orientation of (400) planes is prepared by using multiwall carbon nanotubes as a sacrificial template. Because of the nanostructure and preferred orientation, it shows a superfast second-level charge capability as a cathode for aqueous rechargeable lithium battery. At the charging rate of 600C (6 s), 53.9% capacity could be obtained. Its reversible capacity can be 110 mAh/g, and it also presents excellent cycling behavior due to the porous tube structure to buffer the strain and stress from Jahn-Teller effects.

PMID:
23537381
DOI:
10.1021/nl400199r
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