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Effects of Pd substitution for Ni on corrosion performances of Mg0.9Ti0.1Ni1-xPdx hydrogen storage alloys
Tian Qi-feng; Zhang Yao; Tan Zhi-cheng; Xu Fen; Sun Li-xian; Zhang Tao; Yuan Hua-tang; Tan ZC(谭志诚); Tan ZC(谭志诚)
关键词Mgni-based Alloys Pd Mechanical Alloying Hydrogen Storage Alloy Substitution Corrosion Resistance
刊名TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
2006-06-01
16期:3页:497-501
收录类别SCI
文章类型Article
部门归属15
项目归属1504,1501
产权排名1;1
WOS标题词Science & Technology ; Technology
类目[WOS]Metallurgy & Metallurgical Engineering
研究领域[WOS]Metallurgy & Metallurgical Engineering
关键词[WOS]AMORPHOUS-ALLOYS ; ELECTROCHEMICAL CHARACTERISTICS ; DISCHARGE CAPACITIES ; TI ; MGNI ; BATTERIES ; BEHAVIOR ; TERNARY ; ZR
英文摘要The Mg0.9Ti0.1Ni1-xPdx (x = 0, 0.05, 0.1, 0.15) hydrogen storage electrode alloys were prepared by mechanical alloying. The main phases of the alloys were determined as amorphous by X-ray diffraction(XRD). The corrosion potentials of the alloys were measured by open circuit potential measurements and the values are -0.478, -0.473, -0.473 and -0.471 V (vs Hg/HgO electrode) for x=0, 0.05, 0.1, 0.15, respectively. The corrosion currents of the studied alloys were obtained by non-linear fitting of the anodic polarization curve using Bulter-Volmer equation and Levenberg-Marquardt algorithm, which were obtained after different cycles. The initial corrosion currents of the alloys are decreased with the increasing of Pd content. The increasing of Pd content in the alloys inhibits the corrosion rates of the electrode alloys with the progress of cycle number. The electrochemical impedance spectroscopy(EIS) was conducted after open circuit potential of the alloys stabilizing. The impedance data fit well with the theoretical values obtained by the proposed equivalent circuit model. The corrosion resistances and the thickness of surface passive film of the alloys, which were deduced by the analyses of EIS, are enhanced with the increasing of Pd content in the alloys, which are consistent with the results of corrosion rates obtained from anodic polarization measurements.
语种英语
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WOS记录号WOS:000238985600001
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/97885
专题中国科学院大连化学物理研究所
通讯作者Tan ZC(谭志诚); Tan ZC(谭志诚)
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
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GB/T 7714
Tian Qi-feng,Zhang Yao,Tan Zhi-cheng,et al. Effects of Pd substitution for Ni on corrosion performances of Mg0.9Ti0.1Ni1-xPdx hydrogen storage alloys[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2006,16(3):497-501.
APA Tian Qi-feng.,Zhang Yao.,Tan Zhi-cheng.,Xu Fen.,Sun Li-xian.,...&谭志诚.(2006).Effects of Pd substitution for Ni on corrosion performances of Mg0.9Ti0.1Ni1-xPdx hydrogen storage alloys.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,16(3),497-501.
MLA Tian Qi-feng,et al."Effects of Pd substitution for Ni on corrosion performances of Mg0.9Ti0.1Ni1-xPdx hydrogen storage alloys".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 16.3(2006):497-501.
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