钕含量对La0.7-x Ndx Pr0.05 Mg0.25 Ni3.3 Al0.1(x=0.05～2.0)合金动力学性能的影响

金属功能材料, 2008, 15(4): 5-10.

钕含量对La0.7-x Ndx Pr0.05 Mg0.25 Ni3.3 Al0.1(x=0.05～2.0)合金动力学性能的影响

熊玮 ^1, , 闫慧忠 ^2, , 孔繁清 ^3, , 李宝犬 ^4, , 李金 ^5, , 张羊换 ^6,

1.包头稀土研究院,内蒙古,包头,014030;内蒙古科技大学,材料与冶金工程学院,内蒙古,包头,014010

2.包头稀土研究院,内蒙古,包头,014030

3.包头稀土研究院,内蒙古,包头,014030

4.包头稀土研究院,内蒙古,包头,014030

5.包头稀土研究院,内蒙古,包头,014030

6.内蒙古科技大学,材料与冶金工程学院,内蒙古,包头,014010

关键词：钕含量 , La-Mg-Ni系合金电极 , 吸放氢性能 , 动力学性能

Effect of Nd Content on the Kinetics of La0.7-xNdx Pr0.05Mg0.25Ni3.3Al0.1(x=0.05～2.0) Alloys

采用中频感应熔炼法制备了La0.7-xNdxPr0.05 Mg0.25Ni3.3Al0.1(x=0.05～2.0)贮氢合金.测试并分析了Nd对合金的吸放氢性能及电化学动力学性能的影响.结果表明x=0.15和0.10时合金的吸/放氢性能相对较好.随x值增加,合金的动力学性能,涉及高倍率放电能力(HRD)、电荷迁移电阻、交换电流密度Io、极限电流密度IL及氢在合金体相中的扩散系数D先增大后减小.

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钕含量对La0.7-x Ndx Pr0.05 Mg0.25 Ni3.3 Al0.1(x=0.05～2.0)合金动力学性能的影响

Effect of Nd Content on the Kinetics of La0.7-xNdx Pr0.05Mg0.25Ni3.3Al0.1(x=0.05～2.0) Alloys

参考文献