Fig. 4: Electrochemical stability of Co3O4@C/GPO electrodes. | Nature Communications

Fig. 4: Electrochemical stability of Co3O4@C/GPO electrodes.

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

Fig. 4

Chronopotentiometry measurements at j = 10 mA cm–2 in 1 M H2SO4 electrolyte. a 40-Co3O4@C/GPO (>40 h). b 20-Co3O4@C/GPO (2 h). c 30-Co3O4@C/GPO (2 h). d Benchmarking of their activity/stability features (red stars) in comparison with other OER electrocatalysts (black squares) in the same electrolysis conditions according to the data from a previous benchmarking study6. Source data are provided as a Source Data file.

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