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Frontier Research and Application Advances in Energy-Saving Technologies for Aluminum Electrolysis.

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Title: Frontier Research and Application Advances in Energy-Saving Technologies for Aluminum Electrolysis.
Authors: Zhou, Yu1 (AUTHOR), Zhao, Chaoxian1,2 (AUTHOR), Xiao, Jin1,2,3 (AUTHOR), Zhou, Liuzhou1 (AUTHOR), Wang, Minxu1,2 (AUTHOR), Huang, Sen1,3 (AUTHOR), Yang, Jiyuan1 (AUTHOR), Mao, Qiuyun3 (AUTHOR), You, Zihan1 (AUTHOR), Zhong, Qifan1,2 (AUTHOR) zhongqifanchina@csu.edu.cn
Source: Energies (19961073). Feb2026, Vol. 19 Issue 4, p959. 25p.
Subject Terms: *Aluminum smelting, *Intelligent control systems, *Clean energy, *Electrodes, *Process optimization, *Heat recovery
Abstract: The Hall–Héroult aluminum electrolysis process remains highly energy-intensive, making energy efficiency improvement crucial for sustainable aluminum production. Recent progress has focused on four key areas: electrolyzer structure optimization, advanced electrode materials, intelligent process control, and waste heat recovery. Structural innovations such as reducing the anode to cathode distance (ACD) and improving magnetohydrodynamic stability have lowered operating voltage and thermal losses. Novel carbon-based and conductive electrode materials have improved current efficiency and extended service life. Intelligent control methods, including model predictive control, adaptive dynamic programming, and Kalman filtering, have optimized alumina feeding, stabilized operations, and reduced perfluorocarbon emissions. Moreover, recovering waste heat from anode gases and electrolyzer sidewalls has created new opportunities for energy reuse. The integration of these strategies is advancing aluminum electrolysis toward higher efficiency, lower carbon emissions, and intelligent operation. Future directions include digital twin modeling, artificial-intelligence-driven control, ultra-low ACD designs, and efficient heat recovery systems to promote sustainable industrial transformation. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 191973379
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Frontier Research and Application Advances in Energy-Saving Technologies for Aluminum Electrolysis.
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  Data: <searchLink fieldCode="AR" term="%22Zhou%2C+Yu%22">Zhou, Yu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Chaoxian%22">Zhao, Chaoxian</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xiao%2C+Jin%22">Xiao, Jin</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Liuzhou%22">Zhou, Liuzhou</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Minxu%22">Wang, Minxu</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Huang%2C+Sen%22">Huang, Sen</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Jiyuan%22">Yang, Jiyuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mao%2C+Qiuyun%22">Mao, Qiuyun</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22You%2C+Zihan%22">You, Zihan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhong%2C+Qifan%22">Zhong, Qifan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> zhongqifanchina@csu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Feb2026, Vol. 19 Issue 4, p959. 25p.
– Name: Subject
  Label: Subject Terms
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  Data: *<searchLink fieldCode="DE" term="%22Aluminum+smelting%22">Aluminum smelting</searchLink><br />*<searchLink fieldCode="DE" term="%22Intelligent+control+systems%22">Intelligent control systems</searchLink><br />*<searchLink fieldCode="DE" term="%22Clean+energy%22">Clean energy</searchLink><br />*<searchLink fieldCode="DE" term="%22Electrodes%22">Electrodes</searchLink><br />*<searchLink fieldCode="DE" term="%22Process+optimization%22">Process optimization</searchLink><br />*<searchLink fieldCode="DE" term="%22Heat+recovery%22">Heat recovery</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The Hall–Héroult aluminum electrolysis process remains highly energy-intensive, making energy efficiency improvement crucial for sustainable aluminum production. Recent progress has focused on four key areas: electrolyzer structure optimization, advanced electrode materials, intelligent process control, and waste heat recovery. Structural innovations such as reducing the anode to cathode distance (ACD) and improving magnetohydrodynamic stability have lowered operating voltage and thermal losses. Novel carbon-based and conductive electrode materials have improved current efficiency and extended service life. Intelligent control methods, including model predictive control, adaptive dynamic programming, and Kalman filtering, have optimized alumina feeding, stabilized operations, and reduced perfluorocarbon emissions. Moreover, recovering waste heat from anode gases and electrolyzer sidewalls has created new opportunities for energy reuse. The integration of these strategies is advancing aluminum electrolysis toward higher efficiency, lower carbon emissions, and intelligent operation. Future directions include digital twin modeling, artificial-intelligence-driven control, ultra-low ACD designs, and efficient heat recovery systems to promote sustainable industrial transformation. [ABSTRACT FROM AUTHOR]
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        Value: 10.3390/en19040959
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        Text: English
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        PageCount: 25
        StartPage: 959
    Subjects:
      – SubjectFull: Aluminum smelting
        Type: general
      – SubjectFull: Intelligent control systems
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      – SubjectFull: Clean energy
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      – SubjectFull: Electrodes
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      – SubjectFull: Process optimization
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      – SubjectFull: Heat recovery
        Type: general
    Titles:
      – TitleFull: Frontier Research and Application Advances in Energy-Saving Technologies for Aluminum Electrolysis.
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              M: 02
              Text: Feb2026
              Type: published
              Y: 2026
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