Non-carbon anodes with active coatings

Details Non-carbon anodes with active coatings Non-carbon anodes with active coatings

2005-03-18

2010-10-12

Bell, Bruce F (Department: 1795)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S247300, C204S280000, C204S290010, C204S290030, C204S290080, C205S372000, C205S384000, C205S385000, C205S387000, C205S394000, C502S101000

Reexamination Certificate

active

07811425

ABSTRACT:
An anode for electrowinning aluminium comprises an electrically conductive substrate that is covered with an applied electrochemically active coating comprising a layer that contains predominantly cobalt oxide CoO. The CoO layer can be connected to the substrate through an oxygen barrier layer, in particular containing copper, nickel, tungsten, molybdenum, tantalum and/or niobium.

REFERENCES:
patent: 5248510 (1993-09-01), Lim et al.
patent: 5954928 (1999-09-01), Kishi et al.
patent: 2007/0193878 (2007-08-01), Nguyen et al.

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