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.
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.