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首页> 外文期刊>International Journal of Electrochemical Science >Improved Electrochemical Performance of Sn–Ni Nanorods Array for Li-ion Battery
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Improved Electrochemical Performance of Sn–Ni Nanorods Array for Li-ion Battery

机译：改善锂离子电池Sn-Ni纳米棒阵列的电化学性能

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摘要

Sni nanorods electrode supported by nanocones array was prepared via a facile two-stepelectrodeposition method. The morphology and phase structure were characterized by scanningelectron microscopy and X-ray diffraction, respectively. Cyclic voltammogram and galvanostaticcharge/discharge testing were carried out to evaluate the electrochemical performance. The specificnanorods array design functioned well in accommodating the volume expansion and strengthening theinterfacial force between active materials and current collector. The Sni nanorods array electrode-1 showed a high discharge capacity of ~500 mAh g and excellent cycling stability. Furthermore, thenanopore evolution in Sni nanorod after cyclic lithiation/delithiation process was reported for thefirst time.
机译：通过简便的两步电沉积方法制备了由纳米锥阵列支撑的Sni纳米棒电极。形貌和相结构分别通过扫描电子显微镜和X射线衍射表征。进行了循环伏安图和恒静电荷/放电测试以评估电化学性能。特定的纳米棒阵列设计在适应体积膨胀和增强活性材料与集电器之间的界面力方面发挥了良好的作用。 Sni纳米棒阵列电极1表现出约500 mAh g的高放电容量和出色的循环稳定性。此外，首次报道了循环锂化/去锂化过程后Sni纳米棒中的纳米孔演变。

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