期刊
CERAMICS INTERNATIONAL
卷 45, 期 9, 页码 11382-11387出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2019.03.002
关键词
Ti-based materials; Fe2TiO5; Solution combustion method; Lithium ion batteries
资金
- National Natural Science Foundation of China [21273185, 51604132]
- State Key Laboratory of Physical Chemistry of Solid Surfaces of Xiamen University [201506]
The porous Fe2TiO5 particles are successfully synthesized through a facile one step solution combustion method. The Fe2TiO5 negative materials exhibit remarkable electrochemical performance with discharge capacities of 371.4 mAh.g(-1) at the 100 th cycle, and display promising rate stability with discharge capacities 76.6 mAh.g(-1) at a high current density of 3.2 A g(-1). In addition, the mechanism of electrochemistry reaction is illustrated by the CV, raman and EIS measurements, the irreversible capacity mainly causes from the irreversible lithium insertion at 1.8 V. The results indicate that the one step solution combustion synthesis of porous Fe2TiO5 is a promising strategy for developing low-cost and high-performance Ti-based negative materials.
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