Fig. 3: Understanding the enhanced stability on h-ATO/RuO2 catalyst. | Nature Communications

Fig. 3: Understanding the enhanced stability on h-ATO/RuO2 catalyst.

From: Boosting the durability of RuO2 via confinement effect for proton exchange membrane water electrolyzer

Fig. 3

a, b High-resolution XPS spectra of Ru 3p (a) and O 1 s (b) for h-ATO/RuO2 and s-ATO/RuO2 before and after OER. c The Ru 3p peak position and the O2– proportion for h-ATO/RuO2 and s-ATO/RuO2 catalysts. d, e In situ ATR-SEIRAS spectra for h-ATO/RuO2 (d) and s-ATO/RuO2 (e) at potentials from 1.3 to 1.6 V versus RHE. f Area ratios of v(OH)s/v(OH)w for h-ATO/RuO2 and s-ATO/RuO2 catalysts.

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