Polymer electrolyte water electrolysis is a promising technology for clean hydrogen production, but high-performance catalysts that can withstand the harsh anodic conditions are lacking. Now, mass-selected iridium-tantalum oxides are shown to have high catalytic activity and stability towards the oxygen evolution reaction under such conditions.
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Malinovic, M., Ledendecker, M. Whittling iridium down to size. Nat Energy 7, 7–8 (2022). https://doi.org/10.1038/s41560-021-00963-x
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DOI: https://doi.org/10.1038/s41560-021-00963-x