采用次亚磷酸钠溶液对熔体旋淬技术制备的快凝贮氢合金粉M1Ni3.6Co0 7Mn0 3Al0 4进行还原处理,使其表面形成一个富Ni层,可显著改善合金粉的电化学活性经处理的快淬合金粉仅2次充放电循环其放电容量便可达到241 mA·h·g-1,而未经处理的同一合金粉经5次充放电循环其放电容量也只有222 mA·h·g-1.AES及XPS分析表明表面氧化层的性质对于在碱溶液中金属氢化物电极的活化过程具有重要影响
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