ATE296367T1 - ANODES BASED ON METALS FOR ELECTROLYSIS CELLS FOR ALUMINUM EXTRACTION - Google Patents

ANODES BASED ON METALS FOR ELECTROLYSIS CELLS FOR ALUMINUM EXTRACTION

Info

Publication number
ATE296367T1
ATE296367T1 AT02702624T AT02702624T ATE296367T1 AT E296367 T1 ATE296367 T1 AT E296367T1 AT 02702624 T AT02702624 T AT 02702624T AT 02702624 T AT02702624 T AT 02702624T AT E296367 T1 ATE296367 T1 AT E296367T1
Authority
AT
Austria
Prior art keywords
layer
core
metals
electrolysis cells
silver
Prior art date
Application number
AT02702624T
Other languages
German (de)
Inventor
Thinh T Nguyen
Nora Vittorio De
Original Assignee
Moltech Invent Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Moltech Invent Sa filed Critical Moltech Invent Sa
Application granted granted Critical
Publication of ATE296367T1 publication Critical patent/ATE296367T1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
    • C25C3/12—Anodes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

A metal-based anode substrate of a cell for the electrowinning of aluminium comprises a nickel-alloy based core, a layer of silver on the core and a layer comprising nickel and iron covering the silver layer and serving as an anchorage layer for anchoring an electrochemically active surface coating on top of the anode substrate. The electrochemically active coating may be a cerium-based coating. The silver layer inhibits diffusion of fluoride species into the core and prevents interdiffusion of constituents of the core and constituents of the anchorage layer.
AT02702624T 2001-03-07 2002-03-04 ANODES BASED ON METALS FOR ELECTROLYSIS CELLS FOR ALUMINUM EXTRACTION ATE296367T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IB0100322 2001-03-07
PCT/IB2002/000667 WO2002070786A1 (en) 2001-03-07 2002-03-04 Metal-based anodes for aluminium production cells

Publications (1)

Publication Number Publication Date
ATE296367T1 true ATE296367T1 (en) 2005-06-15

Family

ID=11004052

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02702624T ATE296367T1 (en) 2001-03-07 2002-03-04 ANODES BASED ON METALS FOR ELECTROLYSIS CELLS FOR ALUMINUM EXTRACTION

Country Status (8)

Country Link
EP (1) EP1381716B1 (en)
AT (1) ATE296367T1 (en)
AU (1) AU2002236142B2 (en)
CA (1) CA2437671A1 (en)
DE (1) DE60204307T2 (en)
ES (1) ES2239709T3 (en)
NZ (1) NZ527307A (en)
WO (1) WO2002070786A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040216995A1 (en) * 2001-04-12 2004-11-04 Nguyen Thinh T Nickel-iron anodes for aluminium electrowinning cells

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000006803A1 (en) * 1998-07-30 2000-02-10 Moltech Invent S.A. Nickel-iron alloy-based anodes for aluminium electrowinning cells
ES2180506T3 (en) * 1999-01-08 2003-02-16 Moltech Invent Sa LOW ALLOY AND HIGH RESISTANCE STEEL KNOTS FOR ALUMINUM ELECTROLYTIC OBTAINING CELLS.

Also Published As

Publication number Publication date
CA2437671A1 (en) 2002-09-12
WO2002070786A1 (en) 2002-09-12
EP1381716B1 (en) 2005-05-25
DE60204307D1 (en) 2005-06-30
ES2239709T3 (en) 2005-10-01
EP1381716A1 (en) 2004-01-21
NZ527307A (en) 2005-02-25
AU2002236142B2 (en) 2007-04-05
DE60204307T2 (en) 2006-02-02

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Legal Events

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