Electrocatalytic evolution of hydrogen on amorphous Fe-Nb-B-Rare-Earth-Metal electrodes from alkaline solutions

被引:0
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作者
L. M. Boichyshyn
O. M. Hertsyk
M. A. Kovbus
T. G. Pereverzeva
B. Ya. Kotur
机构
[1] Ivan Franko National University of Lviv,
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关键词
Amorphous Alloy; Hydrogen Evolution; Cyclic Polarization; Amorphous Metallic Alloy; Free Potential;
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摘要
Cathodic processes for electrochemical generation of hydrogen in aqueous KOH solutions in the presence of active electrodes made of Fe-Nb-B-based amorphous metallic alloys alloyed with rare-earth metals (Y, Gd, Dy) were studied. All the amorphous alloys exhibit a catalytic effect in the electrochemical evolution of hydrogen from 5 M aqueous KOH solutions. The electrocatalytic system with Fe82Nb2B14Gd2 and Fe82Nb2B14Dy2 electrodes exhibiting a prolonged autocatalytic effect can be recommended for practical application.
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页码:61 / 68
页数:7
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