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SUPERFICIALLY NICKEL IRON ANODES FOR THE PRODUCTION OF ALUMINUM OXIDIZED 译文

2023-08-20 1060 160K 0

专利信息

申请日期 2025-07-12 申请号 DE60302046
公开(公告)号 DE60302046T2 公开(公告)日 2006-07-27
公开国别 DE 申请人省市代码 全国
申请人 MOLTECH INVENT SA
简介 An anode for the electrowinning of aluminium by the electrolysis of alumina in a molten fluoride electrolyte has an electrochemically active integral outside oxide layer obtainable by surface oxidation of a metal alloy which consists of 20 to 60 weight % nickel; 5 to 15 weight % copper; 1.5 to 5 weight % aluminium; 0 to 2 weight % in total of one or more rare earth metals, in particular yttrium; 0 to 2 weight % of further elements, in particular manganese, silicon and carbon; and the balance being iron. The metal alloy of the anode has a copper/nickel weight ratio in the range of 0.1 to 0.5, preferably 0.2 to 0.3.


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