Fig. 1: Illustration of the concepts for designing nano catalysts, SACs and HEA catalysts. | Nature Communications

Fig. 1: Illustration of the concepts for designing nano catalysts, SACs and HEA catalysts.

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

Fig. 1: Illustration of the concepts for designing nano catalysts, SACs and HEA catalysts.The alternative text for this image may have been generated using AI.

Designed strategies for creating active sites in (a) nano catalysts and (b) SACs. c Schematic illustration of HEA electrocatalysts with identified electronegativity-dependent preferences for active site adsorption of the intermediates OH* and H* during H2O dissociation and H2 production steps. d Adjustments of the HER activities of HEA electrocatalysts by tailoring the electronegativity of the composition. e Identifying active sites of HEA for stabilization of intermediates by operando electrochemical Raman spectra.

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