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本文从改善贮氢合金性能的角度,综述了稀土系AB_5型贮氢合金电极循环稳定性的影响因素。指出在优化合金成分的基础上,发展价廉有效的表面包覆处理和快速凝固技术,进一步提高Ni/MH电池电极循环稳定性。
In this paper, the factors that influence the cycling stability of rare earth AB_5-type hydrogen storage alloy electrode are reviewed from the perspective of improving the performance of the hydrogen storage alloy. It is pointed out that on the basis of optimizing the composition of the alloy, the surface coating treatment and the rapid solidification technique are developed to be effective, and the cyclic stability of the Ni / MH battery electrode is further improved.