An amorphous 1.1 nm Ir/C catalyst exhibits ultralow overpotentials of 10 and 64 mV for the hydrogen evolution reaction at current densities of 10 and 100 mA cm−2, together with 117 A mg−1 mass activity and outstanding long-term durability, superior to those of the commercial Pt/C catalyst.
J. Hao, J. Hou, H. Wei, Z. Su, H. Li, L. Zhang and X. Gong, Chem. Commun., 2022, 58, 5606 DOI: 10.1039/D1CC07049E
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