Effect of La on the crystalline and electrochemical properties of Ti-Zr-Ni melt-spun alloys

被引：0
|
作者：
Baozhong Liu
Libo Wang
Zhi Zhang
Yaoming Wu
Limin Wang
机构：
[1] Henan Polytechnic University,School of Materials Science and Engineering
[2] Chinese Academy of Sciences,State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry
来源：
Rare Metals | 2009年 / 28卷
关键词：
icosahedral quasicrystal; Ti-Zr-Ni alloy; La addition; electrochemical property; metal-hydride electrodes;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Ti45Zr30Ni25 and Ti45Zr30Ni25La alloys were prepared by melt-spinning, and the phase structure and electrochemical performances of the melt-spun alloys were investigated. The results showed that the Ti45Zr30Ni25 alloy was composed of the quasicrystalline phase, amorphous phase and Laves phase. The Ti45Zr30Ni25La alloy contained quasicrystalline and amorphous phases. The maximum discharge capacity was 111 mAh/g for the Ti45Zr30Ni25 alloy electrode, and 124 mAh/g for the Ti45Zr30Ni25La alloy electrode. The Ti45Zr30Ni25La alloy electrode exhibited a better high-rate dischargeability and cycling stability than the Ti45Zr30Ni25 alloy electrode. The improvement of electrochemical properties was mainly ascribed to the increase in the amorphous phase due to the addition of La.
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页码：333 / 337
页数：4
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