4.6 Article

Designed fabrication of fluorine-doped carbon coated mesoporous TiO2 hollow spheres for improved lithium storage

Journal

ELECTROCHIMICA ACTA
Volume 157, Issue -, Pages 1-7

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2015.01.071

Keywords

Mesoporous shells; Hollow; TiO2; Fluorine doped carbon; Lithium ion battery

Funding

  1. National Natural Science Foundation of China [21373006]
  2. Priority Academic Program Development of the Jiangsu Higher Education Institutions
  3. Nature Science Foundation of China [20873089, 20975073]
  4. Nature Science Foundation of Jiangsu Province [BK2011272]
  5. Industry-Academia Cooperation Innovation Fund Projects of Jiangsu Province [BY2011130]
  6. Key Laboratory of Lithium Ion Battery Materials of Jiangsu Province [SZS201207]
  7. Technology Developing Funding Specialized for Scientific Institutes, Ministry of Science and Technology of China [2014EG111224]

Ask authors/readers for more resources

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.

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