Cathode for electrolytic reduction of a slurry comprising metal-bearing mineral ore particles
A cathode with a metal oxide coating addresses the issue of adsorption and deposition in slurry-based reduction processes, enhancing yield and stability by limiting elemental metal accumulation on the cathode surface.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- FORTESCUE FUTURE IND PTY LTD
- Filing Date
- 2025-11-28
- Publication Date
- 2026-06-04
AI Technical Summary
The challenge in slurry-based electrochemical reduction processes is the adsorption, absorption, and deposition of metal-bearing mineral ore particles on the cathode surface, leading to decreased yield and laborious collection of elemental metal, as well as instability due to interactions with reactants, intermediates, and products.
A cathode with a coating of metal oxides, doped metal oxides, metal hydrides, or metal carbides, such as titanium oxide, is used to resist adsorption, absorption, and deposition of elemental metal during electrolytic reduction, with a conditioning process enhancing its resistance.
The cathode effectively limits the adsorption and deposition of elemental metal, maintaining higher yield and stability by reducing the accumulation rate, allowing efficient collection and separation of elemental metal from the slurry.
Smart Images

Figure AU2025051352_04062026_PF_FP_ABST