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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/71434


    Title: A model for the anodic dissolution of zinc in alkaline electrolyte : kinetics of initial dissolution
    Authors: 張裕祺;Chang, Yu-chi
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: zinc;electrochemical electrodes;electrolytes;dissolving
    Date: 1984-01
    Issue Date: 2011-10-24 01:11:05 (UTC+8)
    Abstract: We propose a three‐step mechanism to describe the kinetics of the initial dissolution of zinc in alkaline electrolyte. The rate‐determining step is postulated to be a reversible reaction where a monovalent zinc hydroxide is converted to a soluble zincate. The surface reactions are assumed to occur on activated sites, where Langmuir adsorption is assumed. The reaction scheme is shown to be consistent with experimental quantities such as Tafel slope and reaction order for data obtained near room temperature in approximately 1N hydroxide electrolyte. The thermodynamic consistency of each elementary step is demonstrated from an analysis of available free energy data.
    Relation: Journal of electrochemical society 131, pp.1465-1468
    DOI: 10.1149/1.2115875
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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