Cathodic overvoltage and the contents of sodium and lithium in molten aluminium during electrolysis of cryolite-based melts

The cathodic concentration overvoltage in Na 3AlF 6–AlF 3–Al 2O 3(sat.) melts was investigated at the temperature of 1000°C. The melts contained 10 and 20 wt.% of AlF 3. Experimental data on the cathodic overvoltage agreed well with values calculated from the content of sodium in aluminium. The depe...

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Veröffentlicht in:	Electrochimica acta 2001-04, Vol.46 (15), p.2379-2384
Hauptverfasser:	Fellner, Pavel, Hı́veš, Ján, Korenko, Michal, Thonstad, Jomar
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminium electrolysis Cathodic overvoltage Chemistry Electrochemistry Exact sciences and technology General and physical chemistry High temperature electrochemistry (including molten salts) Sodium and lithium in aluminium
Online-Zugang:	Volltext
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