Advanced Ir Catalysts – eHy Series

At Verdeon Energy, we offer a comprehensive range of high-performance iridium-based catalysts for PEM water electrolysis — proudly manufactured by our partner, Momenta Energy.
Our product line includes both high-iridium and low-iridium formulations, designed to meet the evolving demands of next-generation electrolyzer systems. Backed by advanced production capabilities (over 600 g/day), we also provide customized slurry formulation and coating support for seamless integration.

Available Catalysts

eHy-1002 – High-Iridium Catalyst

  • Composition: 3D porous Iridium Oxide (IrO₂) structure
  • Recommended loading: 0.75 mg/cm²
  • Performance: 1.96 V @ 4 A/cm²
  • Degradation rate: < 5 µV/hr @ 2 A/cm²
  • Stability:
    ▪ 10,000+ hours at 1–2 A/cm² (single cell)
    ▪ 1,500+ hours at 1.5 A/cm² (fuel cell stack)

eHy-2001 – Low-Iridium Catalyst

  • Composition: IrOx@TiO₂ on a highly conductive titanium support
  • Recommended loading: 0.3–0.5 mg/cm²
  • Performance: 1.98 V @ 4 A/cm²
  • Degradation rate: < 10 µV/hr @ 2 A/cm²
  • Stability:
    5,000+ hours at 2 A/cm² (single cell)

Additional Iridium Catalysts

We also supply the following advanced iridium catalysts:

  • eHy-1001 – Iridium Black
  • eHy-1003 – Composite Iridium Catalyst
  • eHy-2002 – Spherical Iridium Catalyst

All options feature excellent stability, high performance, and industrial-grade consistency — ideal for commercial and research-scale PEM electrolyzer stacks.