Formation and electrocatalytic properties of Pd deposits on Mo obtained by galvanic displacementстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Pd-Mo electrocatalytic system was obtained by forming palladium
particles on the Mo surface that contacted a PdCl2 solution under
open-circuit conditions. The state of palladium on the electrode surface
depended on the contact displacement time. Palladium particles 5-10 nm
in size formed on the surface of the Pd(Mo) electrode after palladium
deposition for 1 min. The specific rates of formic acid oxidation on the
Pd(Mo) electrode were smaller than those on the Pd/Pt electrode. On the
Pd(Mo) electrode, anode currents of methanol oxidation were recorded at
a potential of 0.4 V. The difference in the effects of the Mo substrate
on the activity of Pd particles in the electrooxidations of HCOOH and
CH3OH was explained by the difference in the mechanisms of these
reactions.