J. Mater. Sci. Technol. ›› 2017, Vol. 33 ›› Issue (3): 231-238.
• Orginal Article • Previous Articles Next Articles
Hui Yani,Cao Liyun,*,Xu Zhanwei,Huang** Jianfeng,Ouyang Haibo,Li Jiayin,Hu Hailing
Received:
2016-03-28
Accepted:
2016-07-22
Online:
2017-03-20
Published:
2017-05-18
Hui Yani,Cao Liyun,*,Xu Zhanwei,Huang** Jianfeng,Ouyang Haibo,Li Jiayin,Hu Hailing. In Situ Synthesis of Core-Shell Li4Ti5O12 @Polyaniline Composites with Enhanced Rate Performance for Lithium-ion Battery Anodes[J]. J. Mater. Sci. Technol., 2017, 33(3): 231-238.
Fig.1. 1.(a) XRD patterns of LTO, LP-1, LP-2, and LP-3; (b) IR spectra of LTO, PANI, LP-1, LP-2, and LP-3; (c) TGA curves of LTO, PANI, LP-1, LP-2, and LP-3 under a heating rate of 10?°C min-1 in air.
Fig.4. (a) Rate performances of LTO, PANI, LP-1, LP-2 and LP-3 electrodes, measured from 0.1 to 10 C; (b) initial discharge-charge curves of LTO, PANI, LP-1, LP-2 and LP-3 electrodes at 0.1 C; (c) cycle performance and corresponding coulombic efficiencies of LTO and LP-2 electrodes at 1 C; (d) continuous discharge and charge curves of LTO electrodes; (e) continuous discharge and charge curves of LP-2 electrodes (1 C?=?175?mA g-1).
Fig.6. (a) Nyquist plots of the LTO and LP-2 electrodes, the inset figure shows the equivalent circuit for the plot fitting; (b) the relationship between Zre and ω-1/2 of LTO and LP-2 electrodes.
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