The effects on the electrochemical properties of AB5-type hydrogen storage alloys for Ni-MH batteries of adding elements to the A-side and the B-side are described. Advances in the worldwide development of low-Co or Co-free hydrogen storage alloys are reviewed. Considered are: component design, preparation technique, heat treatment and surface treatment. Prospects for the further development of low-cost hydrogen storage alloys and Ni-MH battery for electric vehicles (EVs) power are discussed.
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[Yin Shufeng, Li Quanan, Wen Jiuba, Zhang Xingyuan, Zhang Qing. Advance on Low-Co Hydrogen Storage Alloys[J]. Rare Metal Materials and Engineering,2004,33(9):913~917.] DOI：[doi]