Abstract
Li4Ti5O12/Ag composite nanobelts with an average width of ca. 1.12 μm were successfully synthesized via a facile electrospinning, and the average width is ca. 1.12 μm. The Li4Ti5O12/Ag composites show perfect initial discharge capacity (178.72 mA h g–1 at 0.1 C), better rate capability (131.70 mA h g–1 after cycled at 15 C) and super cycling stability (172.21 mA h g–1 after 100 cycles at 0.2 C) compared to pure Li4Ti5O12 nanobelts when used as anode materials for lithium ion batteries. The excellent electrochemical performance is explained by the nanostructure of obtained samples which could provide an effective ion and electron transport in the longitudinal direction. The addition of Ag could enhance charge transfer due to increased electronic conductivity. Our new findings provide an effective way to improve the electrochemical performance of Li4Ti5O12 anode materials for lithium ion batteries.
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