Fig. 6: Theoretical calculation and in situ electrochemical-Raman characterization. | Nature Communications

Fig. 6: Theoretical calculation and in situ electrochemical-Raman characterization.

From: Unraveling the electronegativity-dominated intermediate adsorption on high-entropy alloy electrocatalysts

Fig. 6: Theoretical calculation and in situ electrochemical-Raman characterization.The alternative text for this image may have been generated using AI.

a The atomic configurations on catalytic sites of FeCoNiMnRu HEA at the four stages during H2O dissociation. b Reaction energy profile for water dissociation on various catalytic sites of the FeCoNiMnRu HEA surface. c Gibbs free energy (ΔGH*) profiles on various catalytic sites of the FeCoNiMnRu HEA surface. d–f Operando electrochemical-Raman spectra collected for FeCoNiMnRu/CNFs during the HER process in 1.0 M KOH electrolyte.

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