The article aims to highlight the most recent improvements in the PCET procedures for electrocatalysis at clearly characterized electrode–electrolyte interfaces.
Aim : Here, we focus on the most recent developments in the PCET methods for electrocatalysis at clearly defined electrode–electrolyte interfaces.
Method: Since the groundbreaking and ongoing studies made by Frumkin and his colleagues initiated in the 1930s, non-covalent interaction, which is controlled by the cation/anion features, is known to play a crucial role in the interfacial water and adsorbate environments correlated to electrode–electrolyte catalytic properties.
The microscopic perspective of this interaction is still a significant scientific mystery, nevertheless. Recent research based on the well-defined surface and solid-liquid interfacial structure of single-crystal model electrodes revealed novel characteristics of the cation effect.
Practical usage: Designing high-performance electrode and electrolyte materials requires an understanding of the roles played by the electrical double layer (EDL) structure in proton-coupled electron transfer (PCET) electrode processes.
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