Abstract
The sub-micronmeteric Li4Ti5O12 powder material was successfully prepared through an improved solid-state synthesis process.The results of X-ray diffraction(XRD),scanning electron microscopy(SEM) and laser particle size distribution analysis showed that only a single spinel phase and a normal distribution pattern with the average size(D50) of 0.886μm could be observed.Due to the suitable partical size distribution,the Li4Ti5O12 powders showed a promising electrochemical performance.At the discharge current densities of 0.1C(16.5 mAh/g) and 5C,the discharge capacities reached 165 mAh/g and 107 mAh/g,respectively.Even at 10C,it still reached 54 mAh/g.
Keywords
lithium titanate, solid-state synthesis method, sub-micronmeter, high rate performance
Publication Date
2008-08-28
Online Available Date
2008-08-28
Revised Date
2008-08-28
Received Date
2008-08-28
Recommended Citation
Chen-shu DU, Hua-bin YANG, Zuo-xiang ZHOU, Meng-tao WU, Lai-he HUANG, Ning XU.
Electrochemical Properties of Sub-micron Li_4Ti_5O_(12) Powders[J]. Journal of Electrochemistry,
2008
,
14(3): 238-242.
DOI: 10.61558/2993-074X.1898
Available at:
https://jelectrochem.xmu.edu.cn/journal/vol14/iss3/2
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