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Electrochimica Acta, Vol.157, 1-7, 2015
Designed fabrication of fluorine-doped carbon coated mesoporous TiO2 hollow spheres for improved lithium storage
In this manuscript, we demonstrated a facile route for the controllable design of "Fluorine (F)-doped carbon" (C/F)-treated TiO2 hollow spheres with mesoporous shells (MHTO-C/F). The fabrication of this distinct mesoporous hollow structures and the C/F coating could effectively improve the electrolyte permeability and architectural stability, as well as electrical conductivity and lithium ion mobility. As anticipated, MHTO-C/F has several remarkable electrochemical properties, such as a high specific reversible capacity of 252 mAh g(-1), outstanding cycling stability of more than 210 mA h g(-1) after 100 cycles at 0.5 C, and good rate performance of around 123mA h g(-1) at 5 C (1 C = 168mA g(-1)). These properties are highly beneficial for lithium storage. (C) 2015 Elsevier Ltd. All rights reserved.