Scientists at Brookhaven National Laboratory and Columbia University developed an efficient catalyst for the oxygen evolution reaction in water splitting, using theoretical predictions to minimize iridium usage. The new catalyst, consisting of iridium oxide layers on titanium nitride, performed four times better than commercial iridium catalysts. This breakthrough promises more cost-effective hydrogen production but faces challenges in scaling up production from milligrams to industrial quantities. The study underscores the importance of theory-driven design in developing practical catalysts for green hydrogen production.
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