| Geometric Effects of La_(1+x)Mg_(2-x)Ni_9 (x=0.0~1.0) Ternary Alloys on Their Hydrogen Storage Capacities |
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| 作者姓名： | Zhiqing YUAN Guanglie LU Bin LIAO and Yongquan LEI Centred Laboratory Zhejiang University Hangzhou China |
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| 作者单位： | Zhiqing YUAN，Guanglie LU，Bin LIAO and Yongquan LEI Centred Laboratory，Zhejiang University，Hangzhou 310028，China Department of Materials Science and Engineering，Zhejiang University，Hangzhou 310027，China |
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| 摘 要： | Structural analysis was made using X-ray diffraction (XRD) Rietveld refinement on a series of La1+xMg2-xNi9 (x=0.0-1.0) ternary alloys. Results showed that each of La1+xMg2-xNi9 alloys was a PuNi3-type structure stacked by LaNi5 and (La, Mg) Ni2 blocks. Electrochemical tests revealed that discharge abilities of these La-Mg-Ni ternary alloys mainly depended on their atomic distances between (La, Mg) and Ni, which could be modified by varying the atomic ratios of La/Mg.
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Geometric Effects of La1+xMg2-xNi9 (x=0.0～1.0) Ternary Alloys on Their Hydrogen Storage Capacities |
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| Zhiqing YUAN,Guanglie LU,Bin LIAO and Yongquan LEI Centred Laboratory,Zhejiang University,Hangzhou ,China.Geometric Effects of La_(1+x)Mg_(2-x)Ni_9 (x=0.0~1.0) Ternary Alloys on Their Hydrogen Storage Capacities[J].Journal of Materials Science & Technology,2005,21(2). |
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| Authors: | Zhiqing YUAN Guanglie LU Bin LIAO Yongquan LEI |
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| Abstract: | Structural analysis was made using X-ray diffraction (XRD) Rietveld refinement on a series of La1 xMg2-xNi9(x=0.0～1.0) ternary alloys. Results showed that each of La1 xMg2-xNi9 alloys was a PuNi3-type structure stacked by LaNi5 and (La, Mg) Ni2 blocks. Electrochemical tests revealed that discharge abilities of these La-Mg-Ni ternary alloys mainly depended on their atomic distances between (La, Mg) and Ni, which could be modified by varying the atomic ratios of La/Mg. |
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| Keywords: | Hydrogen storage alloy X-ray diffraction (XRD) Crystal structure La-Mg-Ni ternary alloy |
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