Issue 5, 2011

Complex spinel titanate nanowires for a high rate lithium-ion battery

Abstract

Complex spinel titanate Li2MTi3O8 (M = Co, Zn, Co0.5Zn0.5) nanowires have been synthesized via a simple synthetic route using titanate nanowires as a precursor. The nanowires are highly crystalline and have been used for the first time as the anode material in a rechargeable lithium-ion battery. The battery has exhibited a highly reversible charge-discharge capacity and excellent cycling stability, even at a current density as high as 3.2 A gāˆ’1. This result can be attributed to the intrinsic characteristics of spinel Li2MTi3O8 nanowires. A three-dimensional network could provide a diffusion space for lithium ion insertion into and extraction from the anode material, resulting in very good cycle performance, even at a high rate.

Graphical abstract: Complex spinel titanate nanowires for a high rate lithium-ion battery

Article information

Article type
Paper
Submitted
29 Dec 2010
Accepted
16 Mar 2011
First published
14 Apr 2011

Energy Environ. Sci., 2011,4, 1886-1891

Complex spinel titanate nanowires for a high rate lithium-ion battery

Z. Hong, X. Zheng, X. Ding, L. Jiang, M. Wei and K. Wei, Energy Environ. Sci., 2011, 4, 1886 DOI: 10.1039/C0EE00833H

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