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Effect of pH on the Oxide Film Formation on a Pristine Zr Electrode
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SYSNO ASEP 0475152 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Effect of pH on the Oxide Film Formation on a Pristine Zr Electrode Author(s) Hromadová, Magdaléna (UFCH-W) RID, ORCID, SAI
Kocábová, Jana (UFCH-W) RID
Kolivoška, Viliam (UFCH-W) RID, ORCID
Pospíšil, Lubomír (UFCH-W) RID, ORCIDSource Title XXXVII. Moderní elektrochemické metody. Sborník přednášek mezinárodní odborné konference. - Ústí nad Labem : Best servis, 2017 / Navrátil Tomáš ; Fojta Miroslav ; Schwarzová Karolína - ISBN 978-80-905221-5-2 Pages s. 71-75 Number of pages 5 s. Publication form Print - P Action Moderní elektrochemické metody /37./ Event date 15.05.2017 - 19.05.2017 VEvent location Jetřichovice Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords zirconium ; oxide film ; hydrogen evolution Subject RIV CG - Electrochemistry OECD category Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis) R&D Projects GA16-03085S GA ČR - Czech Science Foundation (CSF) Institutional support UFCH-W - RVO:61388955 UT WOS 000432424300016 Annotation Effect of pH on the oxidation of zirconium metal was studied by cyclic voltammetry in
aqueous borate buffer solutions as a function of the potential scan rate and pH from 4.80 to
9.17. The results show that the oxide growth kinetics depends on pH of the electrolyte
solution and the total amount of irreversibly formed oxide under the potentiodynamic
conditions decreases with decreasing buffer pH in accord with thermodynamic considerations.
Cathodic current corresponding to hydrogen evolution reaction diminishes in the presence of
anodically modified electrode compared to bare zirconium.Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2018
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