Fig. 3: Electrocatalytic activity of Co3O4@C/GPO electrodes in 1 M H2SO4 electrolyte. | Nature Communications

Fig. 3: Electrocatalytic activity of Co3O4@C/GPO electrodes in 1 M H2SO4 electrolyte.

From: Sustainable oxygen evolution electrocatalysis in aqueous 1 M H2SO4 with earth abundant nanostructured Co3O4

Fig. 3

a LSV curves for x-Co3O4@C/GPO electrodes in 1 M H2SO4 (pH 0.1), at x = 0 (GPO blank, light blue), 5 (blue), 10 (yellow), 20 (grey), 30 (pink), 40 (red) and with 1 mV s–1 scan rate; b LSV curves of x-IrO2/GPO electrodes in 1 M H2SO4 (pH 0.1), at x = 5 (pink), 10 (gray), 20 (orange), 30 (blue), 40 (black) compared to 40-Co3O4@C/GPO (red); c Tafel plots of IrO2/GPO (black) and Co3O4@C/GPO (red) extracted from LSV data. Source data are provided as a Source Data file.

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