通过电沉积锡镍合金制备了Sn-Ni锂离子电池负极材料. 对沉积膜层进行了XRD及EDX分析, 表明得到的合金主要包括Ni3Sn2, Ni3Sn4, Sn等相, 其中Sn/Ni之比约1.5(原子比). 添加剂及工艺优化有利于得到可用作负极材料的均匀沉积膜层. 分析讨论了此膜层电极的充放电过程及循环伏安(CV)曲线, 测量了其循环容量. 电极最大放电容量约为517 mAh·g-1, 20次循环放电容量约144 mAh·g-1, 除第一个循环有一定容量损失外, 前20次充放电效率基本在92%以上. 相对于所沉积的Sn电极, Sn-Ni合金中的Ni提高了电极性能, 特别是充放电循环稳定性.
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