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题名: Preparation and properties of Mg-0.9Ti0.1Ni0.9X0.1 (X = Mn, Zn, Co, Fe) quaternary alloys
作者: Wang, MH;  Zhang, LZ;  Sun, LX;  Tan, ZC;  Xu, F;  Yuan, HT;  Zhang, T
关键词: Mg-based hydrogen storage alloys ;  mechanical alloying method ;  amorphous state ;  electrode
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2005-09-10
卷: 26, 期:9, 页:1673-1676
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The effects of partial substitution of Mg, Ni in Mg-based alloy on its electrochemical and hydrogen storage properties were investigated. Mg-0.9,Ti-0.1 Ni-0.9 X-0.1 ( X = Mn, Zn, Co, Fe) quaternary alloys were synthesized by mechanical alloying(MA) on the basis of the ternary Mg0.9Ti0.1 Ni alloy. The X-ray diffraction showed that the X partial substitution of Ni promoted the amorphous process of Mg0.9Ti0.1 Ni alloy. It was found that the Co-substituted and Fe-substituted alloys showed enhanced discharge capacities. The cycle life of the alloys was improved with the addition of Mn and Zn, especially Mg0.9Ti0.1 Ni-0.9 Zn-0.1 alloy remained to keep a higher discharge capacity after the 10 cycles of charge and discharge. The hydrogen content in Mg-0.9 Ti-0.1 Ni-0.9 Co-0.1 alloy is higher than that in Mg-0.9 Ti-0.1 Ni alloy, which is in agreement with the result measured by the electrochemistry.
关键词[WOS]: HYDROGEN STORAGE ALLOYS ;  ELECTROCHEMICAL CHARACTERISTICS ;  MG-NI ;  ZR ;  TI
语种: 英语
WOS记录号: WOS:000232081400024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139648
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, Mat & Thermochem Lab, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Nankai Univ, Inst New Energy Source Mat Chem, Tianjin 300071, Peoples R China

Recommended Citation:
Wang, MH,Zhang, LZ,Sun, LX,et al. Preparation and properties of Mg-0.9Ti0.1Ni0.9X0.1 (X = Mn, Zn, Co, Fe) quaternary alloys[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2005,26(9):1673-1676.
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