Engineers cut iridium use by 80% in breakthrough hydrogen catalyst

Breakthrough in Hydrogen Catalyst

Hydrogen is emerging as a powerful clean fuel to fight climate change, powering factories, vehicles, and cities without carbon emissions.

Producing hydrogen sustainably using water and renewable energy has faced a major hurdle: the high cost and scarcity of iridium.

Researchers at Rice University have developed a new catalyst that reduces iridium use in water electrolyzers by over 80% while maintaining top performance.

Their findings, published in Nature Nanotechnology, show the catalyst can operate for over 1,500 hours continuously.

No carbon emissions from hydrogen fuel.

Author's summary: Engineers reduce iridium use by 80% in hydrogen catalyst.

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Knowridge Science Report Knowridge Science Report — 2025-10-17

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