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Anti-oxidation coating technology for carbon anodes

By Wang Boyi

General Manager, Hunan Babel Material Technology Co. Ltd. Interpreter: Julie

Carbon anode oxidation is a hidden yet costly problem in aluminium smelting, affecting energy consumption, pot stability, anode life and emissions. This webinar deep-dives into nano-ceramic anti-oxidation coating technology for carbon anodes, validated through long-term industrial trials in high-amperage potlines.

Participants will gain a clear understanding of the technology, its performance impact and the measurable operational and economic benefits achieved in commercial aluminium smelters.

Duration: 1 hour
Mode: Online
Time: 12:30 to 1:30 pm (IST) | 8:00 to 9:30 am (CEST)
Date: 13 March 2026
Why does this webinar matter?

Declining availability of high-quality calcined coke and rising cost pressures have pushed smelters to use high-sulphur and high-vanadium cokes, resulting in poorer anode quality and lower oxidation resistance. This leads to excessive carbon residues in the bath, unstable pot operation, higher power consumption and reduced current efficiency.

To address these challenges, anode coating technologies, particularly nano-ceramic-based anti-oxidation coatings, have been extensively tested and deployed in China.

This webinar explains how this technology works and why it delivers tangible results at scale.

Who should attend the webinar?
  • Smelter operations and potroom managers
  • Carbon anode and cathode specialists
  • Process, electrolysis and reduction engineers
  • Energy efficiency and sustainability managers
  • Technical heads and plant managers at aluminium smelters
  • R&D and technology evaluation teams
  • Procurement and engineering teams involved in anode technologies
  • Aluminium producers are facing rising energy, carbon and raw material costs

Webinar Structure

Date and Time: 13th March 2026 | 12:30 to 1:30 pm (IST) | 8:00 to 9:30 am (CEST)

Objective: To explain how nano-ceramic anti-oxidation coating technology improves carbon anode performance in aluminium smelting and how its application reduces oxidation losses, energy consumption, emissions and operating costs while improving pot stability and current efficiency.

Topics covered:
  • Challenges caused by declining carbon anode quality and oxidation
  • Impact of anode oxidation on pot stability, noise, energy use and efficiency
  • Fundamentals of nano-ceramic anti-oxidation anode coating technology
  • Coating composition, application process and thermal behaviour
  • Industrial trial results from 240-500 kA potlines
  • Effects on power consumption, current efficiency and anode life
  • Reduction in gross anode consumption and CO₂ emissions
  • Operational and economic benefits for aluminium smelters


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