Fig. 6: Correlation between the electronic structure of catalysts and OER mechanism. | Nature Communications

Fig. 6: Correlation between the electronic structure of catalysts and OER mechanism.

From: Tracking the correlation between spintronic structure and oxygen evolution reaction mechanism of cobalt-ruthenium-based electrocatalyst

Fig. 6

a DOS of Co, O, Ru, and Sn orbitals in active species of A-RSCOH and A-SCOH. b Difference in charge density of active species of A-RSCOH and A-SCOH (the cyan colors represent charge depletion, and the yellow represents charge accumulation). c Energy bands structure of active species of A-RSCOH and A-SCOH under Mott-Hubbard splitting. d Variations of DEMS signals of 34O2 for various electrocatalysts along with CV cycles. e Schematic of OER mechanisms. f Illustration of sequential and concerted proton-coupled electron transfer reactions for rate-determining step. g Adsorption models evolution process of AEM and DMSM. h Gibbs free energies of active species of A-RSCOH for different mechanisms.

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