Apparatus and method for reducing an alkali metal...

Details Apparatus and method for reducing an alkali metal... Apparatus and method for reducing an alkali metal...

C - Chemistry, Metallurgy

25

B

C25B 15/02 (2006.01) C25B 1/14 (2006.01)

Patent

CA 2737039

A cell (450) having an anode compartment (403) and a cathode compartment (402) is used to electrolyze an alkali metal polysulfide into an alkali metal. The cell (450) includes an anode (404), wherein at least part of the anode (404) is housed in the anode compartment (403). The cell (450) also includes a quantity of anolyte (471) housed within the anode compartment (403), the anolyte comprising an alkali metal polysulfide and a solvent. The cell (450) includes a cathode (405), wherein at least part of the cathode (405) is housed in the cathode compartment (402). A quantity of catholyte (491) is housed within the cathode compartment (402). The cell (450) operates at a temperature below the melting temperature of the alkali metal.

Une cellule (450) comportant un compartiment d'anode (403) et un compartiment de cathode (402) est utilisée pour électrolyser un polysulfure de métal alcalin en métal alcalin. La cellule (450) comprend une anode (404) ; au moins une partie de l'anode (404) est contenue dans le compartiment d'anode (403). La cellule (450) comprend aussi une certaine quantité d'anolyte (471) contenu dans le compartiment d'anode (403), l'anolyte comprenant un polysulfure de métal alcalin et un solvant. La cellule (450) comprend une cathode (405) ; au moins une partie de la cathode (405) est contenue dans le compartiment de cathode (402). Une certaine quantité de catholyte (491) est contenu dans le compartiment de cathode (402). La cellule (450) fonctionne à une température inférieure à la température de fusion du métal alcalin.

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