Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Uniform Hollow Li4Ti5O12 Microspheres Assembled on Nanoparticle Templates as Anode Material for High Rate Lithium-ion Batteries
Jiping ZhuJun ChenJiawei Yan
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2019 Volume 48 Issue 5 Pages 483-486

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Abstract

Hollow TiO2 microspheres are designed from an Ostwald ripening process, then as-synthesized hollow TiO2 spheres are used as a template to synthesize Li4Ti5O12 via a simple hydrothermal synthesis method. Such microspheres display good electrochemical performance, including high capacity, excellent cyclic stability and remarkable rate capability. The hollow Li4Ti5O12 microspheres calcined at 700 °C display extremely good electrochemical performance, including high capacity (174.6 mAh/g at 1 C rate), excellent cyclic stability (97.7% capacity retention after 50 cycles at 1 C rate) and remarkable rate capability (140.3 mAh/g at 15 C-rate).

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© 2019 The Chemical Society of Japan
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