综述并分析了贮氢合金电极材料的研究现状 ,特别是节钴型贮氢合金的研究现状。设计了几种低钴电极用AB5型贮氢合金 ,并简要对其电化学性能、P -C -T特性等进行了研究 ,结果表明 ,用多元合金化降低钴含量后 ,贮氢合金具有良好的电化学性能 The current research status of hydrogen storage alloy electrode materials is summarized and analyzed, especially the research status of nodular cobalt-based hydrogen storage alloys. AB5-type hydrogen storage alloys for low cobalt electrodes were designed and their electrochemical properties, P-C-T properties and so on were briefly studied. The results show that the hydrogen storage alloy has a good performance after the cobalt content is reduced by the alloying The electrochemical performance