Fig. 3: Electrocatalytic performance evaluation of AuSA-MnFeCoNiCu LDH in 1 M KOH (pH = 14).
From: Activating lattice oxygen in high-entropy LDH for robust and durable water oxidation
a LSV curves (the scan rate is 2 mV s−1) with 95% iR correction. The loading of catalysts is ~1 mg cm−2, and the solution resistance is 2.0 Ω. b Overpotential comparison (error bar: standard error of three repeated measurements). c Tafel plots of AuSA-MnFeCoNiCu LDH, MnFeCoNiCu LDH and IrO2. d OER performance comparison between AuSA-MnFeCoNiCu LDH and other reported high-entropy materials at j = 10 mA cm−2. e EIS curves (the applied potential is 0.459 V vs. Hg/HgO, and the frequency range is 106–10−2 Hz) of AuSA-MnFeCoNiCu LDH and MnFeCoNiCu LDH (inset is equivalent circuit). f Mass activity and normalized (by ECSA) current density of AuSA-MnFeCoNiCu LDH and MnFeCoNiCu LDH at η = 250 mV (error bar: standard error of three repeated measurements). g Stability test of AuSA-MnFeCoNiCu LDH.
