Scientists have discovered a new electrocatalyst for the oxygen evolution reaction (OER) in electrochemical water splitting: CaFe2O4. This inexpensive, non-toxic, and easy-to-synthesize material outperforms other bimetallic OER electrocatalysts and even surpasses the benchmark set by iridium oxide, paving the way to accessible hydrogen generation for upcoming hydrogen societies.
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Pollution Dethroning electrocatalysts for hydrogen production with inexpensive alternative material