MH/Ni电池用AB5型稀土系贮氢合金的研究进展

综述了AB5型稀土系贮氢合金最新的研究情况,总结了目前对提高AB5型稀土系贮氢合金综合性能所进行的探索,如成分优化设计,制备工艺,表面处理及微观机理的研究等,并就存在问题加以评述.认为我国稀土系贮氢合金的基础性实验研究已较为成熟,要有突破性进展还应侧重于微观机理的研究.稀土系贮氢合金在引入新型的制备工艺（如纳米技术、机械合金化等）及与其它高容量贮氢材料复合使用,仍具有较大的发展前景.

Development of AB5 Rare Earch Based Hydrogen Storage Alloys in MH/Ni Battery

The new research progress in AB5 rare earth based hydrogen storage alloys is reviewed. Improvement of synthetical properties of the alloys are summarized, such as design of the composition, preparing technology, surface modification and microcosmic mechanism, and the comment on the present problems are given. The results show that the basic experiments of the ABs rare earth based hydrogen storage alloys are comparative maturity and the microcosmic mechanism must be emphasized in order to make a breakthrough, the rare earth based hydrogen storage alloys have a wide foreground on the premise of the new technics of the preparation, such as nano-engineering and mechanical alloying, adopted with the other high capacity hydrogen storage materials.