Comparing the anodic reactions of Ni and Ni-P amorphous alloy in alkaline solution

被引:29
作者
Kang, Jianqiang [1 ]
Yang, Yifu [1 ]
Shao, Huixia [1 ]
机构
[1] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China
关键词
Alloy; Nickel; XPS; Amorphous structures; Anodic films; HYDROGEN STORAGE ALLOY; ALPHA-NICKEL-HYDROXIDE; THERMODYNAMIC STABILITY; THEORETICAL EVALUATION; SULFURIC-ACID; ELECTRODE; BEHAVIOR; XPS; SPECTROSCOPY; DISSOLUTION;
D O I
10.1016/j.corsci.2009.04.032
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The anodic reactions of amorphous Ni-P alloys prepared by electroless plating were compared with pure Ni in 6 M KOH. The structure and surface components of Ni-P alloys before and after cyclic voltammetry (CV) scan were verified by using X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The CVs of Ni and Ni-P show many differences. Their CV properties are compared in different potential regions. The variation of the total anodic charge density suggests that the corrosion resistance of Ni is superior to that of amorphous Ni-P alloy in 6 M KOH under potential polarization. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1907 / 1913
页数:7
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