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Fig. 2 | Nano Convergence

Fig. 2

From: Hydrogen production from water electrolysis: role of catalysts

Fig. 2

a Schematic illustration of the catalyst’s role in lowering the activation energy barrier; bd schematic illustrations of the performance evaluation parameters of electrocatalyst, including, b activity in terms of overpotential, Tafel slope, and exchange current density, c stability in terms of current- and potential-time curves, and d efficiency in terms of faradaic efficiency and turnover frequency

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