fig2
![Multi-interface engineering of nickel-based electrocatalysts for alkaline hydrogen evolution reaction](https://image.oaes.cc/be353edd-7016-4fd4-85cf-38af79e38104/em30115.fig.2.jpg)
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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