Electrochemical Behaviors of Pb-Ca Alloys and Pb-Ca-SnX-Al Alloys under 60°C in 5mol•L-1 H2SO4 Solution

Li Zhen Wang; Kai Qing Zhang; Shu Hua Gu; Yong Zhang

doi:10.4028/www.scientific.net/AMR.335-336.826

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Electrochemical Behaviors of Pb-Ca Alloys and Pb-Ca-Sn_X-Al Alloys under 60°C in 5mol•L^-1 H₂SO₄ Solution

Abstract:

Abstract: The microscopic structure of Pb-Ca alloys and Pb-Ca-Sn_X-Al alloys was observed by scanning electron microscope (SEM). The high temperature effect on corrosion behaviors and anode film Pb(Ⅱ) of Pb-Ca alloys and Pb-Ca-Sn_X-Al alloys was studied using linear sweep voltammetry, electrochemical impedance spectra (EIS) and AC voltammetry. It was found that the oxidation tendency of t-PbO to nonstoichiometric oxide PbOx and PbSO₄ to ß-PbO₂ may be increased at high temperature. With the increase of tin content, total corrosion and harm of corrosion can be reduced, the resistance of anode film decreased and the ions motion tendency enhanced.

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Periodical:

Advanced Materials Research (Volumes 335-336)

Pages:

826-830

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.335-336.826

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Online since:

September 2011

Authors:

Li Zhen Wang, Kai Qing Zhang, Shu Hua Gu, Yong Zhang

Keywords:

Hot Corrosion, Lead-Acid Battery, Pb-Ca-Sn_x-Al Alloys

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