Poisoning mechanisms in electrocatalysis studied in the instance of methanol electrooxidation at platinum
Journal Article
·
· Sov. Electrochem. (Engl. Transl.); (United States)
OSTI ID:5851957
The effects of various added poisons (lead ions, bromide ions, iodide ions, benzene, and hexyl alcohol) on methanol adsorption and electrooxidation at a smooth platinum electrode were studied under conditions of free competition for the surface. The rate of methanol electrooxidation falls exponentially with increasing coverage of the platinum surface by poison. At a given degree of coverage by methanol species, the nature of the posion and the very fact that it is present on the surface are unimportant for the rate of methanol electrooxidation.
- Research Organization:
- M.V. Lomonosov State Univ., Moscow, USSR
- OSTI ID:
- 5851957
- Journal Information:
- Sov. Electrochem. (Engl. Transl.); (United States), Journal Name: Sov. Electrochem. (Engl. Transl.); (United States) Vol. 22:7; ISSN SOECA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400400* -- Electrochemistry
ADSORPTION
ALCOHOLS
ANIONS
AROMATICS
BENZENE
BINDING ENERGY
BROMINE COMPOUNDS
CATALYSIS
CATALYSTS
CATALYTIC EFFECTS
CATIONS
CHARGED PARTICLES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISTRY
DEACTIVATION
ELECTROCATALYSTS
ELECTROCHEMISTRY
ELEMENTS
ENERGY
HALOGEN COMPOUNDS
HETEROGENEOUS CATALYSIS
HEXANOLS
HYDROCARBONS
HYDROXY COMPOUNDS
IODINE COMPOUNDS
IONS
KINETICS
LEAD COMPOUNDS
METALS
METHANOL
ORGANIC COMPOUNDS
OXIDATION
PLATINUM
PLATINUM METALS
REACTION KINETICS
SORPTION
TRANSITION ELEMENTS
400400* -- Electrochemistry
ADSORPTION
ALCOHOLS
ANIONS
AROMATICS
BENZENE
BINDING ENERGY
BROMINE COMPOUNDS
CATALYSIS
CATALYSTS
CATALYTIC EFFECTS
CATIONS
CHARGED PARTICLES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISTRY
DEACTIVATION
ELECTROCATALYSTS
ELECTROCHEMISTRY
ELEMENTS
ENERGY
HALOGEN COMPOUNDS
HETEROGENEOUS CATALYSIS
HEXANOLS
HYDROCARBONS
HYDROXY COMPOUNDS
IODINE COMPOUNDS
IONS
KINETICS
LEAD COMPOUNDS
METALS
METHANOL
ORGANIC COMPOUNDS
OXIDATION
PLATINUM
PLATINUM METALS
REACTION KINETICS
SORPTION
TRANSITION ELEMENTS