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Super pastes can be used to replace cast iron, reduce horizontal currentsHorizontal current and cathode voltage dropsVoltage drop, and protect copperCopper as well. The electrical resistivitiesElectrical resistivity of unbaked super pastes and the rodding voltage dropsVoltage drop in industrial cathode blocks are measured. The electrical resistivityElectrical resistivity changes with temperature up to 950 ℃ of baked super pastes are also measured. Various combinations of super pastes, copperCopper plates and steel bars are modelled, and horizontal currentsHorizontal current and cathode voltage dropsVoltage drop are calculated. The flexibilityFlexibility of the cathode design is increased a lot by the use of super pastes. Industrial trials are under way and the results will be reported in future publications.

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Modelling Aluminium Electrolysis Cell Cathode Assembly with Iron-Copper Composite Bars and Super Pastes

  • 会议论文

  • 发表日期：

    2025年

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  • Marc Dupuis,
  • Xianan Liao,
  • Xiangting Ren

摘要

Super pastes can be used to replace cast iron, reduce horizontal currentsHorizontal current and cathode voltage dropsVoltage drop, and protect copperCopper as well. The electrical resistivitiesElectrical resistivity of unbaked super pastes and the rodding voltage dropsVoltage drop in industrial cathode blocks are measured. The electrical resistivityElectrical resistivity changes with temperature up to 950 ℃ of baked super pastes are also measured. Various combinations of super pastes, copperCopper plates and steel bars are modelled, and horizontal currentsHorizontal current and cathode voltage dropsVoltage drop are calculated. The flexibilityFlexibility of the cathode design is increased a lot by the use of super pastes. Industrial trials are under way and the results will be reported in future publications.