Fig. 5: Schematic illustration of the proposed origin of the high OER activity for CF-FeSO electrode. | Nature Communications

Fig. 5: Schematic illustration of the proposed origin of the high OER activity for CF-FeSO electrode.

From: Electrode reconstruction strategy for oxygen evolution reaction: maintaining Fe-CoOOH phase with intermediate-spin state during electrolysis

Fig. 5

Spin state under OCV and OER conditions and chemical phase and Co 3d– O 2p overlap under OER conditions for a CF-O and b CF-FeSO. Transparent dotted arrows indicate the state before the OER and red arrows represent the converted spin state during the OER.

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