Digital Impedance for Faradaic Analysis II. Electrodissolution of Cu in HCI

William H. Smyrl

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

The electrodissolution of Cu was studied experimentally by both steady-state and impedance (DIFA) techniques on a rotating disk. The anodic dissolution was found to be largely mass-transfer controlled, but a kinetic contribution could be identified at high rotation rates. The steady-state behavior was satisfactorily modeled, and kinetic parameters aa, ac and the exchange current density were determined. The impedance of the system was also modeled; experimental results confirmed the steady-state kinetic parameters and the mass-transfer-kinetic model at all frequencies.

Original languageEnglish (US)
Pages (from-to)1555-1562
Number of pages8
JournalJournal of the Electrochemical Society
Volume132
Issue number7
DOIs
StatePublished - Jul 1985

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