Facile Synthesis of TiO2 Microspheres with Super High Rate Performance

You Rong Wang; Peng Chen; Xian Wang Zhang; Jia Wang; Si Qing Cheng

doi:10.4028/www.scientific.net/AMR.573-574.1198

Paper Titles

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 573-574Facile Synthesis of TiO2 Microspheres with Super...

Facile Synthesis of TiO₂ Microspheres with Super High Rate Performance

Abstract:

The development of new electrode materials with high storage capacity is indispensable for improving rechargeable lithium batteries. Herein, high performance TiO2 microspheres have been fabricated by a facile solvothermal method. The obtained TiO2 microspheres were investigated by the measurements of X-ray diffraction pattern, scanning electronic microscopy, and electrochemical tests. As the rates increase from 1C to 20C, the TiO2 composites display high discharge capacities of 414.6 mAh g-1 for the ﬁrst cycle at 1 C and 244.6 mAh g-1 at 20 C over 100 cycles. CV experiments indicate that there are two peculiar pairs of cathodic/anodic peaks occurred in the range of 1.0-3.0V, which clearly demonstrates that the structure of the TiO2 microspheres here is quite different from the ordinary anatase TiO2. Excellent rate capability and cycle ability are ascribed presumablely to the unique structure.

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Advanced Materials Research (Volumes 573-574)

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1198-1202

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https://doi.org/10.4028/www.scientific.net/AMR.573-574.1198

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October 2012

Authors:

You Rong Wang, Peng Chen, Xian Wang Zhang, Jia Wang, Si Qing Cheng

Keywords:

Electrochemical Property, Lithium-Ion Battery, Solvothermal Method, TiO₂

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