Fig. 2: Electrochemical HER performance measurements. | Nature Communications

Fig. 2: Electrochemical HER performance measurements.

From: Interstitial boron-triggered electron-deficient Os aerogels for enhanced pH-universal hydrogen evolution

Fig. 2

a, b LSV curves and corresponding Tafel plots of B-Os aerogels, Os NPs and Pt/C in 1.0 M KOH solution. c, d LSV curves and corresponding Tafel plots of B-Os aerogels, Os NPs and Pt/C in 0.5 M H2SO4 and 1.0 M PBS solutions, respectively. e Overpotential at 10 mA cm−2 of B-Os aerogels, Os NPs and Pt/C in 1.0 M KOH, 0.5 M H2SO4 and 1.0 M PBS solutions, respectively. f Mass activity (MA) and price activity (PA) of B-Os aerogels, Os NPs and Pt/C at an overpotential of 100 mV in 1.0 M KOH solution. g Comparison of the overpotentials at 10 mA cm−2 (η10) with recently reported HER catalysts in 1.0 M KOH solution.

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