Solid state reactions at metal/film interfaces: The case of the Pb/PbSOb>4b> interface

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• 作者：C.V. D&rsquo ; Alkaine^a ; ^{dalkaine@dq.ufscar.br} ; L.L.M. de Souza^b ; G.A. de O. Brito^c
• 关键词：Pb/PbSO4 interface ; Lead oxidation/reduction ; Negative plate ; Lead acid battery
• 刊名：Journal of Power Sources
• 出版年：2012
• 期刊代码：58_03787753
• 类别：ce
• 出版时间：15 July, 2012
• 卷：210
• 期：Complete
• 页码：218-223
• 文件大小：768 K

摘要

On the base of an analysis of some literature is shown that a solid state reaction mechanism can have several advantages over a dissolution-precipitation mechanism as the most convenient way to describe the Pb/Hb>2b>SOb>4b> interface in the PbSOb>4b> region, at least for some of the possible experimental conditions. In support of this view, quantitative analyses of the voltammetric results for the formation and reduction of PbSOb>4b> are presented, showing that it is possible to obtain the kinetic parameters of the reactions occurring at the Pb/PbSOb>4b> interface. From these analyses, it is possible to gain a deeper understanding of how the negative plates of lead acid batteries operate efficiently.