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题名: Preparation and properties of Mg1.75Al0.25Ni1-xCrx(0 <= x <= 0.2) alloys
作者: Wang, MH;  Zhang, LZ;  Sun, LX;  Zhang, Y;  Xu, F;  Tan, ZC;  Yuan, HT;  Zhang, T
关键词: Mg-based hydrogen storage alloys ;  elements substitution ;  electrode materials
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2005-10-10
卷: 26, 期:10, 页:1877-1880
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: Mg1.75Al0.25Ni1-xCrx(0 <= x <= 0.2) alloys were synthesized by diffusing method(DM) on the basis of the ternary Mg1.75Al0.25Ni alloy. The X-ray diffraction showed that the structure of the Cr-partially-substituted alloy did not differ from that of Mg1.75Al0.25Ni alloy but there was a change in the lattice parameter. It was found that the Cr-substituted alloys showed enhanced discharge capacities. The cycle life of the alloys was improved when x ( Cr) reached 0. 1. The anti-corrosion order was Mg1.75Al0.25Ni0.9Cr0.1 > Mg1.75Al0.25Ni > Mg1.75Al0.25Ni0.8Cr0.2 > Mg2Ni. The result of the charge-discharge experiment also supported the conclusion. The structure and the component of alloy phase were changed after ball milling but the discharge capacity of the Mg1.75Al0.25Ni0.9Cr0.1 alloy was not enhanced.
关键词[WOS]: HYDROGEN STORAGE ALLOYS ;  ELECTROCHEMICAL CHARACTERISTICS
语种: 英语
WOS记录号: WOS:000232676300025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139893
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, Mat & Thermochem Lab, Dalian 116023, Peoples R China
2.Nankai Univ, Inst New Energy Mat Chem, Tianjin 300071, Peoples R China

Recommended Citation:
Wang, MH,Zhang, LZ,Sun, LX,et al. Preparation and properties of Mg1.75Al0.25Ni1-xCrx(0 <= x <= 0.2) alloys[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2005,26(10):1877-1880.
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