对MlNi3.5Co0.75-xSixAl0.2Mn0.55的显微组织结构及电化学性能进行了系统的研究. 当x=0.1, 0.2时, 合金的放电容量较大、活化速度快、大电流放电容量较高、放电电压稳定. X射线衍射分析和扫描电镜观察表明该系合金由LaNi5与La2Ni7两相组成, 且随Si含量的提高, 非贮氢相La2Ni7相增加.
参考文献
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