fig2
Figure 2. Schematicillustrationforthe elementaryHERstep: Volmer step and Heyrovsky step/Tafel step. balls in blue: active sites; grey: O atom; orange: H atom, respectively.
Figure 2. Schematicillustrationforthe elementaryHERstep: Volmer step and Heyrovsky step/Tafel step. balls in blue: active sites; grey: O atom; orange: H atom, respectively.
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