Low Temperature Physics: 39, 304 (2013); https://doi.org/10.1063/1.4795002 (8 pages)
Физика Низких Температур: Том 39, Выпуск 3 (Март 2013), c. 390-398    ( к оглавлению , назад )

Cathodic corrosion: Part 1. Mechanism of corrosion via formation of metal anions in aqueous medium

Yu.I. Yanson and A.I. Yanson

Leiden Institute of Chemistry, Leiden University, Postbus 9502, Leiden, 2300RA, The Netherlands
E-mail: a.yanson@chem.leidenuniv.nl

Received November 16, 2012


In this paper we describe an unusual electrochemical phenomenon, namely cathodic corrosion of platinum. We show that all existing models of cathodic corrosion are inconsistent with our experimental observations. Therefore, we present a new model of cathodic corrosion, which is based on the assumption that metal anions are formed at the electrode surface during the corrosion process. These anionic species function as precursors for the formation of the final product of cathodic corrosion–metal nanoparticles.

PACS: 82.45.Aa Electrochemical synthesis;
PACS: 82.45.Bb Corrosion and passivation;
PACS: 82.30.–b Specific chemical reactions; reaction mechanisms.

Key words: cathodic corrosion, metal anions, electrochemistry, nanoparticles.