EIS analysis on the anodic dissolution process of pure aluminum in an alkaline solution

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	EIS analysis on the anodic dissolution process of pure aluminum in an alkaline solution
	H. B. Shao; J. Q. Zhang; J. M. Wang; C. N. Cao
	2003
发表期刊	Acta Physico-Chimica Sinica
ISSN	1000-6818
卷号	19 期号:4 页码:372-375
摘要	The EIS of the anodic dissolution process of pure aluminum in an alkaline solution was fitted using expression of Faradic admittance previously proposed by Cao([11-12]), based on which the mechanism of the process was proposed. The results show that the capacitive loop in low frequency region of EIS is caused by the reaction of Al(ss), and the inductive loop in middle frequency region is caused by the reaction of Al(OH)(ads). The time constants of Faradic admittance tau(1) and tau(2) mean the converting time of unit species Al(ss) and Al(OH)(ads) on unit bare surface site. Generally, tau(1) and tau(2) both decrease with the increase of the potential E. tau(1), > 0, tau(2) > 0, satisfy the conditions required by stability, and by Kramers-Kronig transforms as well. g(1) and g(2) relate to the variation of covering density of reactants Al(ss) and Al(OH) (ads). g(1) < 0 indicates that the aluminum surface tends to be passive when the potential increases.
部门归属	zhejiang univ, dept chem, hangzhou 310027, peoples r china. state key lab corros & protect, shenyang 110015, peoples r china.;wang, jm (reprint author), zhejiang univ, dept chem, hangzhou 310027, peoples r china
关键词	Pure Aluminum Alkaline Solution Anodic Dissolution Electrocal Impedance Spectrum (Eis) Analysis Impedance Plane Displays Air Batteries Alloy Anodes Stability Conditions Steady-state Corrosion Inhibition
URL	查看原文
WOS记录号	WOS:000183709400020
引用统计	被引频次：10[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/36016
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	H. B. Shao,J. Q. Zhang,J. M. Wang,et al. EIS analysis on the anodic dissolution process of pure aluminum in an alkaline solution[J]. Acta Physico-Chimica Sinica,2003,19(4):372-375.
APA	H. B. Shao,J. Q. Zhang,J. M. Wang,&C. N. Cao.(2003).EIS analysis on the anodic dissolution process of pure aluminum in an alkaline solution.Acta Physico-Chimica Sinica,19(4),372-375.
MLA	H. B. Shao,et al."EIS analysis on the anodic dissolution process of pure aluminum in an alkaline solution".Acta Physico-Chimica Sinica 19.4(2003):372-375.