Electrochemical characteristics of La_0.59Nd_0.14Mg_0.27Ni_3.3 alloy with rhombohedral-type and hexagonal-type A₂B₇ phases

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• 作者：Cong Wu^a ; ^b ; Lu Zhang^a ; ^b ; Jingjing Liu^a ; ^b ; Yuan Li^a ; ^b ; Shuqin Yang^a ; ^b ; Baozhong Liu^c ; Shumin Han^a ; ^b ; ^{hanshm@ysu.edu.cn}
• 关键词：Nickel/metal hydride battery ; Re&ndash ; Mg&ndash ; Ni-based hydrogen storage alloy ; Super-stacking structure ; Electrochemical properties ; Cyclic stability
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：5 February 2017
• 年：2017
• 卷：693
• 期：Complete
• 页码：573-581
• 全文大小：2965 K
• 卷排序：693

文摘

Re–Mg–Ni-based alloys with specific proportion of 3R-A2B7 and 2H-A2B7 phases are obtained. 3R-A2B7 phase can transfer into 2H-A2B7 phase by increasing annealing temperature. 3R-A2B7 phase is easier to become amorphous than 2H-A2B7 phase. The 2H-A2B7 phase is favorable for the improvement of HRD and cyclic stability.