期刊
JOURNAL OF POWER SOURCES
卷 272, 期 -, 页码 946-953出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2014.09.034
关键词
Titanium dioxide; Titanium nitride; Lithium ion batteries; Nanowires; Flexible
资金
- Natural Science Foundations of China [21273290, 91323101, J1103305]
- Natural Science Foundations of Guangdong Province [S2013030013474]
- Research Fund for the Doctoral Program of Higher Education of China [20120171110043]
- Sun Yat-Sen University
Flexible lithium-ion batteries have attracted tremendous attention as a promising power source in the growing field of flexible electronic devices. In this article, we report a simple and binder free for the synthesis of TiO2@TiN nanowires on carbon cloth by hydrothermal method and annealing. This method is highly effective in improving the rate capability of TiO2 with discharge capacity of 136 mAh g(-1) at high current rate to 30C. The TiO2@TiN nanowires on carbon cloth also show remarkable cyclic performance retaining 84% of the initial capacity (240 mAh g(-1)) after 650 cycles at 10C. High performance full flexible battery device based on TiO2@TiN nanowires/carbon cloth composite anode and LiCoO2 cathode exhibiting superior capacity retention with high discharge capacities of 227 mAh g(-1) and 222 mAh g(-1) at the flat and 90 bending position respectively during 30 cycles at 1C. (C) 2014 Elsevier B.V. All rights reserved.
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