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首页> 外文期刊>Advanced Science Letters >Effects of Aluminum Doping on the Performance of Lithium Ion Battery Material Li_4Ti_5O_(12)
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Effects of Aluminum Doping on the Performance of Lithium Ion Battery Material Li_4Ti_5O_(12)

机译：铝掺杂对锂离子电池材料Li_4Ti_5O_（12）性能的影响

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摘要

Rechargeable lithium batteries have been widely used in various kinds of electronic device due to their good performance. Spinel-type electrode material Li_(4-x)xAl_xTi_5O_(12) (x = 0.05, 0.1, 0.2 and 0.3) was synthesized by solid state reaction. The samples were characterized by XRD and their grain sizes were examined by laser particle-size analyzer. At 0.5 C discharging rate, the first discharge specific capacities of Li_(4-x)xAl_xTi_5O_(12) (x = 0.05, 0.1, 0.2 and 0.3) were found to be 136.8, 135.5, 140.4 and 155.6 mAh g~(-1) respectively. Among the series samples investigated, Li_(3.95)Al_(0.05)Ti_5O_(12) exhibits a relatively high conservation rate of capacity and an excellent cycling stability.
机译：可充电锂电池由于其良好的性能已被广泛用于各种电子设备中。通过固相反应合成尖晶石型电极材料Li_（4-x）xAl_xTi_5O_（12）（x = 0.05、0.1、0.2和0.3）。用XRD对样品进行表征，并通过激光粒度分析仪检查其晶粒尺寸。在0.5 C放电速率下，Li_（4-x）xAl_xTi_5O_（12）（x = 0.05、0.1、0.2和0.3）的首次放电比容量为136.8、135.5、140.4和155.6 mAh g〜（-1） ） 分别。在研究的系列样品中，Li_（3.95）Al_（0.05）Ti_5O_（12）表现出相对较高的容量守恒率和出色的循环稳定性。

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