Hydrogen Fuel Cell Catalyst Cuts Platinum Use by 75% in Lab Test

A new catalyst developed by IMDEA Materials Institute reduces platinum content by 75% while maintaining hydrogen fuel cell performance in lab tests, potentially slashing costs for clean energy applica

IMDEA Materials Institute researchers created a catalyst using a copper-platinum (Cu₃Pt) alloy deposited on a nickel-titanium substrate. This formulation reduces platinum content by 75% compared to pure platinum catalysts while achieving nearly identical oxygen reduction reaction performance—855 millivolts at 1 mA/cm² current density in acidic pH ~1 conditions, matching pure platinum’s 856 millivolts. The improvement comes from mechanical compression under 1% strain, which triggers copper dissolution to form a platinum-enriched layer 3-5 nanometers thick. Published in *Electrochimica Acta* on August 9, 2026, the work shows promising lab-scale results but requires industrial-scale validation and long-term stability testing before commercial use.

The catalyst’s mechanism hinges on precise mechanical control to maintain the electronic structure shift that minimizes platinum usage without sacrificing performance. This approach could slash hydrogen fuel cell costs by 75%+, accelerating adoption of clean hydrogen for transportation and industrial applications where platinum scarcity has historically been a barrier.

For energy access, this advancement moves hydrogen fuel technology closer to affordability—potentially making clean hydrogen vehicles and industrial systems more viable. However, the catalyst’s performance is limited to acidic conditions, and industrial scalability remains unproven. What to watch next: whether the mechanical precision required for consistent results can be maintained at scale, and whether long-term stability meets the demands of real-world fuel cell systems. The source confirms this is lab validation, not commercial deployment.

Source: Phys.org