The formation of soluble Pb(IV) and Pb(II) species in the reactions of the PbSO4/PbO2 electrode

E. Hämeenoja, Timo Laitinen, Göran Sundholm

Research output: Contribution to journalArticleScientific

11 Citations (Scopus)

Abstract

Using a rotating gold ring—lead disc electrode and analysing the deposit on the ring surface with X-ray photoelectron spectroscopy, soluble Pb(IV) species were detected during the anodic reaction of the PbSO4/PbO2 electrode in sulfuric acid.
The Pb(IV) species are not intermediates in the PbO2 formation but result from the chemical solubility of PbO2.
Measurements of soluble Pb(II) proved that the “coup de fouet” commonly observed during the discharge of the lead acid battery is due to the oversaturation of Pb(II) ions.
Original languageEnglish
Pages (from-to)187-189
JournalElectrochimica Acta
Volume32
Issue number1
DOIs
Publication statusPublished - 1987
MoE publication typeB1 Article in a scientific magazine

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