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. 2025 Dec 17;11(51):eaea4543. doi: 10.1126/sciadv.aea4543

Fig. 2. Electrocatalytic OER performance of the catalysts in a 0.1 M HClO4 electrolyte.

Fig. 2.

(A) Polarization curves and (B) Tafel slopes of AC-MoRuOx and the references. (C) EIS of AC-MoRuOx, RuO2, and Com RuO2. CPE, constant phase element. (D) Cdl plots derived from CV curves. (E) Chronopotentiometry of AC-MoRuOx and the benchmarks at 10 mA cm−2 for 3000 hours in a 0.1 M HClO4 electrolyte. h, hours. (F) Comparison of the durability of our catalysts in an acidic electrolyte with that of reported OER catalysts.