Journal article
The role of silver in enhancing the electrochemical activity of lead and lead–silver alloy anodes
Hydrometallurgy, Vol.144-145, pp.133-139
2014
Abstract
The role of silver as an alloying additive to reduce the overpotential of the oxygen evolution reaction on lead anodes used in the electrowinning of zinc has not previously been established. This paper summarizes the results of a detailed study of the mechanism of the action of silver; both as an additive to the alloy and in solution. The presence of Ag2O2 in the oxide layer was confirmed on Pb electrodes anodised in sulphuric acid electrolytes containing silver ions. The enhanced electrochemical activity of PbAg alloy anodes over Pb is attributed to the presence of Ag2O 2 in the corrosion layer.
Details
- Title
- The role of silver in enhancing the electrochemical activity of lead and lead–silver alloy anodes
- Authors/Creators
- J.J. McGinnity (Author/Creator) - Murdoch UniversityM.J. Nicol (Author/Creator) - Murdoch University
- Publication Details
- Hydrometallurgy, Vol.144-145, pp.133-139
- Publisher
- Elsevier BV
- Identifiers
- 991005545367107891
- Copyright
- © 2014 Elsevier B.V.
- Murdoch Affiliation
- School of Engineering and Information Technology
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 2 Chemistry
- 2.210 Corrosion & Deposition Chemistry
- 2.210.2222 Lead-Acid Battery
- Web Of Science research areas
- Metallurgy & Metallurgical Engineering
- ESI research areas
- Materials Science