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Solid state electro-oxidation processes on lead and lead alloys in the PbO2/PbSO4 regions

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Abstract

The results are presented of potential step experiments in 5M sulphuric acid on lead and two lead alloys of some commercial importance. Differences in the nucleation and growth processes of PbO2 on PbSO4 are observed as a result of the presence of the alloying ingredient. The effect of Sb is very marked. Some reasons for the observations are discussed.

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Abbreviations

A :

time dependent rate of nucleation

F :

Faraday constant

i m :

maximum current

k 1 :

parallel rate constant

k 2 :

orthogonal rate constant

M :

molecular weight

n 0 :

initial number of nuclei

t m :

time corresponding to maximum current

z :

number of electrons transferred

ρ :

density

References

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Authors and Affiliations

  1. Department of Chemistry, University of Technology, LE11 3TU, Loughborough, Leicestershire, UK

    E. Hameenoja & N. A. Hampson

Authors
  1. E. Hameenoja
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  2. N. A. Hampson
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Additional information

On study leave from Department of Chemistry, Helsinki University of Technology, Finland.

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Hameenoja, E., Hampson, N.A. Solid state electro-oxidation processes on lead and lead alloys in the PbO2/PbSO4 regions. J Appl Electrochem 14, 449–458 (1984). https://doi.org/10.1007/BF00610809

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  • DOI: https://doi.org/10.1007/BF00610809

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