Electrocatalysis on microdeposits of palladium on vitreous carbon, deposited at different potentialsстатья
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Аннотация:The potential at which Pd is deposited on vitreous carbon has a strong influence
on the activity of the catalyst in the cathodic evolution of H z and the electrohydrogenation of acetophenone. The most effective catalyst is Pd deposited at E
0.6V.
Extensive use is made nowadays of metallic electrocatalysts deposited on a support at
potentials close to or even greater than the equilibrium potentials of the system [1-3]. Such catalysts often exhibit an anomalously high activity or selectivity in the reactions of
organic substances.
In the present study we have investigated the catalytic properties of Pd deposited on
vitreous carbon at various potentials (Ed,p) in the cathodic evolution of H z and the electrohydrogenation
(EH) of acetophenone.