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Preparation and electrochemical performances of Li4Ti5O12 as anode material
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DOI：10.4028/www.scientific.net/AMR.512-515.1976.png)
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Abstract
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Spinel Li4Ti5O12 was prepared by a solution method. The structure and morphology of the samples were characterized by X-ray diffraction, scanning electron microscopy. The electrochemical performance was investigated by initial charge-discharge at different rate. The results revealed that the crystallinity of Li4Ti5O12 was well, the Li4Ti5O12 prepared by solution method had a relatively smaller particle size and homogeneous morphology. It delivered a discharge capacity 178.59 mAh.g(-1) for the Li4Ti5O12 at the 0.2C discharge to IV. The reversible capacity 141.98mAh.g(-1) could be achieved at the 5C. Li4Ti5O12 prepared by a solution method showed good rate performance.
Keywords:
Lithium-ion battery
Anode material
Li4Ti5O12
Electrochemical performance
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