ISSN 1608-4039 (Print)
ISSN 1680-9505 (Online)

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Dolgikh O. V., Kravtsova Y. G., Sotskaya N. V., Sapronova L. V., Vvedenskii A. V. The electrodeposited Ni–P alloys as the hydrogen evolution reaction catalysts. Electrochemical Energetics, 2009, vol. 9, iss. 2, pp. 71-75. DOI: 10.18500/1608-4039-2009-9-2-71-75, EDN: MLHZTF

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The electrodeposited Ni–P alloys as the hydrogen evolution reaction catalysts

Dolgikh O. V., Voronezh State University
Kravtsova Yu. G., Voronezh State University
Sotskaya N. V., Voronezh State University
Sapronova L. V., Voronezh State University
Vvedenskii A. V., Voronezh State University

This paper is devoted to the investigation of main peculiarities of hydrogen evolution reaction on the electrodeposited Ni-P alloys in deaerated 0.05M H2SO4 solution. It was established that polarization decreases and the rate of HER increases significantly with rising of phosphorus content from 0 to 12.6 wt.%. The experimental data were interpreted from the point of structure and real surface area of the deposited coatings as well as reaction mechanism. It was shown that only coatings with low phosphorus content (up to 6%) are appeared to be catalitically active toward to HER. Acceleration of the reaction by the alloys enriched with non-metallic component is caused only by considerable surface growth.


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