Porovnání elektrochemické syntézy železanu ve vodě a v tavenině

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F08%3A00020338" target="_blank" >RIV/60461373:22310/08:00020338 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Comparison of the Electrochemical Ferrate(VI) Synthesis in Water and Molten Salts Environment

Popis výsledku v původním jazyce

The electrochemical synthesis of ferrate(VI) in an eutectic NaOH-KOH molten salt environment and in a highly alkaline mixed NaOH-KOH aqueous solution was compared. The methods of cyclic voltammetry and electrochemical impedance spectroscopy were used tocharacterise the processes taking place on the stationary iron electrode. Cyclic voltammetric curves show similar characteristics in both environments in the potential region of the active iron dissolution. The anodic current peak corresponding to the ferrate(VI) production was identified for both systems in a similar position close to the potential region denoting the start of the oxygen evolution. On the other hand a well defined cathodic current peak corresponding to the ferrate(VI) reduction appearing during the reverse potential scan is shifted to the significantly less cathodic potential in the molten salt when compared to the aqueous environment. This indicates significant differences in the properties of surface film developing

Název v anglickém jazyce

Comparison of the Electrochemical Ferrate(VI) Synthesis in Water and Molten Salts Environment

Popis výsledku anglicky

The electrochemical synthesis of ferrate(VI) in an eutectic NaOH-KOH molten salt environment and in a highly alkaline mixed NaOH-KOH aqueous solution was compared. The methods of cyclic voltammetry and electrochemical impedance spectroscopy were used tocharacterise the processes taking place on the stationary iron electrode. Cyclic voltammetric curves show similar characteristics in both environments in the potential region of the active iron dissolution. The anodic current peak corresponding to the ferrate(VI) production was identified for both systems in a similar position close to the potential region denoting the start of the oxygen evolution. On the other hand a well defined cathodic current peak corresponding to the ferrate(VI) reduction appearing during the reverse potential scan is shifted to the significantly less cathodic potential in the molten salt when compared to the aqueous environment. This indicates significant differences in the properties of surface film developing

Druh

D - Stať ve sborníku

CEP obor

CG - Elektrochemie

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2008

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of 8th European Symposium on Electrochemical Engineering

ISBN

978-80-02-02053-0

ISSN

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e-ISSN

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Počet stran výsledku

9

Strana od-do

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Název nakladatele

Ing. Jan Novosad, Procesní inženýrství

Místo vydání

Praha

Místo konání akce

Praha

Datum konání akce

24. 8. 2008

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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