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KIMS Validates MXene–Nickel Ferrite Catalyst for Direct Seawater Electrolysis

Unit-cell tests confirm a durable MXene–nickel ferrite design that repels chloride corrosion.

Overview

  • Researchers at KIMS report unit-cell validation of TiOx/C@NFO, an intentionally oxidized MXene combined with nickel ferrite using high-energy ball milling.
  • The composite achieved about five times higher current density and roughly double the durability compared with conventional seawater electrolysis catalysts.
  • Strong chloride-ion repulsion limited electrode corrosion and suppressed the chlorine evolution reaction during operation.
  • The team reports uniform, reproducible fabrication suitable for scaling, with follow-up demonstration work in progress.
  • Findings were published June 30 in ACS Nano and the project involved support from KETEP and NST with collaboration from UNIST.