Evolution of Hydrogen Storage Alloys Prepared by Special Methods


Guo Hong Zhang Ximin Jing Hai Li Chengdong Xu Jun (National Engineering and Technology Research Center for Non-Ferrous Metals Composites , General Research Institute for Non-Ferrous Metals, Beijing 100088, China)


<正> Microstructure characteristics and electrochemical properties of hydrogen storage alloys prepared by gas atom ization, melt spinning and strip casting respectively were outlined. The advantages, disadvantages and research development of the above methods for preparing hydrogen storage alloys were explained. The strip casting is a new special means for preparing AB5 rare earth hydrogen storage alloys of high performance and low cost, and the study of the strip casting for preparing hydrogen storage alloys is presented specially.


hydrogen storage alloys; gas atomization; melt spinning; strip casting; rare earths


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