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题名: The electrochemical performances of Mg0.9Ti0.1Ni1-xPdx (x=0-0.15) hydrogen storage electrode alloys
作者: Tian, Qi-Feng;  Zhang, Yao;  Chu, Hai-Liang;  Sun, Li-Xian;  Xu, Fen;  Tan, Zhi-Cheng;  Yuan, Hua-Tang;  Zhang, Tao
通讯作者: 张耀 ;  孙立贤
关键词: MgTiNi-based alloys ;  hydrogen storage electrode ;  mechanical alloying ;  electrochemical performances
刊名: JOURNAL OF POWER SOURCES
发表日期: 2006-09-13
DOI: 10.1016/j.jpowsour.2006.04.061
卷: 159, 期:1, 页:155-158
收录类别: ISTP ;  SCI
文章类型: Article
部门归属: 15
项目归属: 1504
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Electrochemistry ;  Energy & Fuels
英文摘要: Amorphous hydrogen storage alloys Mg0.9Ti0.1Ni1-xPdx (x = 0-0.15) were prepared by mechanical alloying (MA). The electrochemical performances of electrode alloys were studied by cyclic charge-discharge experiment, linear polarization and electrochemical impedance spectroscopy. The capacity retention rate C-20th/C-max of quaternary Mg0.9Ti0.1Ni1-xPdx (x = 0.05, 0.1, 0.15) alloys are 66.2%, 75% and 76.8%, respectively, much higher than that of Mg0.9Ti0.1Ni (31.4%). It was demonstrated that the substitution of Pd for Ni improved the cyclic stability of MgTiNi-based electrode alloy greatly. The partial substitution of Pd for Ni also led to the increase of exchange current density I-0, which concluded that the reaction activity on the surface of alloys was effectively improved. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: AMORPHOUS-ALLOYS ;  TI ;  TERNARY ;  MGNI ;  PD ;  BATTERIES ;  BEHAVIOR
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000241012000029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/97841
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Nankai Univ, Inst New Energy Mat Chem, Tianjin 300071, Peoples R China

Recommended Citation:
Tian, Qi-Feng,Zhang, Yao,Chu, Hai-Liang,et al. The electrochemical performances of Mg0.9Ti0.1Ni1-xPdx (x=0-0.15) hydrogen storage electrode alloys[J]. JOURNAL OF POWER SOURCES,2006,159(1):155-158.
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