Mechanism of nitrate electroreduction on Pt(100)
β Scribed by E. B. Molodkina; I. G. Botryakova; A. I. Danilov; J. Souza-Garcia; J. M. Feliu
- Book ID
- 111889754
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2012
- Tongue
- English
- Weight
- 548 KB
- Volume
- 48
- Category
- Article
- ISSN
- 1023-1935
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The electro-reduction of nitrate ions in acid medium on Pt, Ir and on a 70: 30 Pt:Ir alloy was studied by cyclic voltammetry. The alloy has a higher activity than the pure metals, which was interpreted as being due to bifunctional catalysis. Values for activation energies evaluated from the experime
4+ accelerates the electroreduction of NO -3 in sulfuric acid solutions in the potential region close to a complete coverage of the surface by H ads in the supporting electrolyte. The electrocatalytic effect increases from Ge via Ni to Co β Cd. Ge adatoms promote the NO -3 electroreduction most eff