Hydrogenation of ethylene on metal electrodes. Part 2.—Structure of the adsorption layer on platinum at a working condition on open circuit
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 70, 1-13
- https://doi.org/10.1039/f19747000001
Abstract
The structure of the adsorption layer was studied by the potential sweep method on a platinum electrode in 1 N HClO4 solution saturated with a reaction gas of various compositions (mixtures of H2, C2H4 and He). Results show that the structure of the adsorption layer satisfies previous predictions on the rate-determining step and that the open circuit potential is determined by the equilibrium condition of the step, H++ e– ⇌ H(ads). The large change in the hydrogen peak caused by standing the electrode in the solution is in agreement with the decay of the catalytic activity for the hydrogenation of ethylene.Keywords
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