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Further Development on NiFe2O4-Based Cermet Inert Anodes for Aluminum Electrolysis

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Abstract

The new aluminum electrolysis technology based on inert electrodes has received much interest for several decades because of the environment and energy advantages. The key to realize this technique is the inert anode. This article presents China’s recent developments of NiFe2O4-based cermet inert anodes, which include the optimization of material performance, the joint between the cermet inert anode and metallic bar, as well as the results of 20 kA pilot testing for a large-size inert anode group. The problems NiFe2O4-based cermet inert anodes face are also discussed.

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Acknowledgements

The authors are grateful for the financial support of the State Natural Science Fund (51222403) and the National High-Tech Research and Development Program of China (2008AA030503).

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Authors and Affiliations

  1. School of Metallurgy and Environment, Central South University, Changsha, 410083, China

    ZhongLiang Tian, YanQing Lai, Jie Li & YeXiang Liu

  2. State Key Laboratory for Powder Metallurgy, Central South University, Changsha, China

    ZhiYou Li

  3. ZhengZhou Research Institute of Chalco, Zhengzhou, 450041, China

    DengPeng Chai

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  1. ZhongLiang Tian
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  2. YanQing Lai
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  3. ZhiYou Li
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  5. Jie Li
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Correspondence to ZhongLiang Tian or YanQing Lai.

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Tian, Z., Lai, Y., Li, Z. et al. Further Development on NiFe2O4-Based Cermet Inert Anodes for Aluminum Electrolysis. JOM 66, 2229–2234 (2014). https://doi.org/10.1007/s11837-014-1177-7

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  • DOI: https://doi.org/10.1007/s11837-014-1177-7

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