Abstract:Performance of electrocatalytic reactions depends on not only the composition and structure of the active sites, but also their local environment, including the surrounding electrolyte. In this work, we demonstrate that BF2(OH)2− anion is the key fluoroborate species formed in the mixed KBi/KF (KBi=potassium borate) electrolyte to enhance the rate of the oxygen evolution reaction (OER) at near‐neutral pH. Through a combination of electrokinetic and in situ spectroscopic studies, we show that the mixed KBi/KF e… Show more
The electrode/electrolyte interface has a profound impact on the chemical environment of electrocatalysis. Specifically, changing the type or concentration of ions in the electrolyte composition may modulate the activity and...
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