C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
C25C 3/08 (2006.01)
Patent
CA 2757336
The present invention relates to a cathode bottom (1) for an electrolytic cell for producing aluminum, comprising a material (3), which can be arranged on at least one cathode block (7), characterized in that the material (3) comprises a pre-compressed plate based on expanded graphite. The present invention further relates to a method for producing a cathode bottom (1), comprising the following method steps: providing at least one cathode block (7), arranging a material (3) on at least one surface of the at least one cathode block (7), wherein the material (3) comprises at least one pre-compressed plate based on expanded graphite. The cathode bottom (1) is used in an electrolytic cell for producing aluminum.
L'invention concerne un plancher formant cathode (1) pour une cellule d'électrolyse pour la production d'aluminium, comprenant un matériau (3) qui peut être disposé sur au moins un bloc (7) de cathode, caractérisé en ce que le matériau (3) comprend une plaque précompressée à base de graphite expansé. L'invention concerne en outre un procédé de production d'un plancher formant cathode (1), procédé comprenant les étapes suivantes : préparation d'au moins un bloc (7) de cathode, disposition d'un matériau (3) sur au moins une surface du bloc de cathode, ledit matériau (3) comprenant au moins une plaque précompressée à base de graphite expansé. Le plancher formant cathode (1) est utilisé dans une cellule d'électrolyse pour la production d'aluminium.
Hiltmann Frank
Oettinger Oswin
Hill & Schumacher
Sgl Carbon Se
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