对铸态和快淬态贮氢合金Mm(NiCoMnAl)5.1B0.1的微观组织和电化学性能进行了研究. 发现快淬态合金基本上消除了第二相, 快淬合金组织中存在一定比例的非晶相, 并且随着淬速增加非晶相的量增多; 与铸态合金相比, 快淬态合金的放电容量有所降低, 但循环寿命显著提高, 这主要是由于快淬导致晶粒细化和形成一定数量的非晶态组织.
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