| 铸态La0.75Mg0.25Ni3.3Co0.2Six(x=0～0.2)电极合金的电化学与动力学性能 |
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| 引用本文： | 雍辉,胡峰,张羊换,赵栋梁,王新林. 铸态La0.75Mg0.25Ni3.3Co0.2Six(x=0～0.2)电极合金的电化学与动力学性能[J]. 功能材料, 2011, 42(6): 1104-1107 |
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| 作者姓名： | 雍辉 胡峰 张羊换 赵栋梁 王新林 |
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| 作者单位： | 1. 内蒙古科技大学,材料学院,内蒙古,包头,014010;钢铁研究总院,功能材料研究所,北京,100081
2. 钢铁研究总院,功能材料研究所,北京,100081 |
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| 基金项目： | 国家高技术研究发展计划(863计划)资助项目(2007AA03Z227); 国家自然科学基金资助项目(50871050,50701011); 内蒙古自然科学基金重点资助项目(200711020703); 内蒙古高等教育科学研究资助项目(NJzy08071) |
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| 摘 要： | 为了提高La-Mg-Ni系A2B7型贮氢合金的电化学循环稳定性,添加少量的Si,用铸造工艺制备了La0.75 Mg0.25 Ni3.3 Co0.2 Six(x＝0、0.05、0.1、0.15、0.2)贮氮合金,分析并测试了其微观结构和电化学性能,以及高倍率放电能力,交流阻杭等动力学性能.结果表明,合金具有多相结构,主相...
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| 关 键 词： | 贮氢合金 微观结构 电化学性能 交流阻抗 |
Electrochemical and kinetic performances of the as-cast La_(0.75)Mg_(0.25)Ni_(3.3)Co_(0.2)Si_x(x=0-0.2) electrode alloys |
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| YONG Hui,HU Feng,ZHANG Yang-huan,ZHAO Dong-liang,WANG Xin-lin. Electrochemical and kinetic performances of the as-cast La_(0.75)Mg_(0.25)Ni_(3.3)Co_(0.2)Si_x(x=0-0.2) electrode alloys[J]. Journal of Functional Materials, 2011, 42(6): 1104-1107 |
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| Authors: | YONG Hui HU Feng ZHANG Yang-huan ZHAO Dong-liang WANG Xin-lin |
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| Affiliation: | YONG Hui1,2,HU Feng1,ZHANG Yang-huan1,ZHAO Dong-liang2,WANG Xin-lin2(1.School of Material,Inner Mongolia University of Science and Technology,Baotou 014010,China,2.Department of Functional Material Research,Central Iron and Steel Research Institute,Beijing 100081,China) |
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| Abstract: | In order to improve the electrochemical cycle stability of La-Mg-Ni system(A2B7-type) hydrogen storage alloy,the Si is slightly added in the alloy,La0.75Mg0.25Ni3.3Co0.2Six(x=0,0.05,0.1,0.15,0.2) hydrogen storage alloys were prepared by casting.The electrochemical performances and microstructures of the alloys were determined and measured,at the same time the kinetic performances of the as-cast were measured,including the HRD,the EIS and so on.The obtained results show that the alloys are multi-phase struct... |
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| Keywords: | hydrogen storage alloy microstructure electrochemical performance impedance spectra |
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