Porous non-carbon metal-based anodes for aluminium production ce

Details Porous non-carbon metal-based anodes for aluminium production ce Porous non-carbon metal-based anodes for aluminium production ce

1998-07-30

2000-09-05

Bell, Bruce F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204290R, 205372, 205374, 205384, C25B 1100

Patent

active

061137588

ABSTRACT:
A non-carbon, metal-based anode (10) of a cell for the electrowinning of aluminium, comprising an electrically conductive, high temperature resistant and oxidation resistant metal structure (11) in the form of a wire mesh or net, a foraminate sheet, a fibrous network, a reticulated skeletal structure, or a porous structure having voids, recesses and/or pores which are filled or partly filled with an electrochemically active filling (12), such as oxides, oxyfluorides, phosphides, carbides, cobaltites and cuprates making the surface of the anode (10) conductive and electrochemically active for the oxidation of oxygen ions present at the anode surface/electrolyte (5) interface.

REFERENCES:
patent: 5510008 (1996-04-01), Sekhar et al.
patent: 5651874 (1997-07-01), de Nora et al.
patent: 5720860 (1998-02-01), Sekhar et al.

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