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Investigation of mechanism of cathode processes on cobalt silicides by electrochemical impedance spectroscopy method

Annotation

The analysis of the mechanism of the cathode process of hydrogen evolution on cobalt silicides (CoSi2 and Co2Si) in sulfate solutions with different concentration of hydrogen ions, based on the results of the polarization and impedance measurements, is performed. The conclusion is made about the influence of thin oxide layers on the silicide surface on the kinetics and mechanism of hydrogen evolution.

Keywords

hydrogen evolution reaction; silicide; impedance

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UDC

541.138.3

Pages

2209-2212

Received

2013-05-15

Section of issue

Section 1. KINETICS OF ELECTRODE PROCESSES

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