Surface interrogation of advanced electrocatalysts by scanning electrochemical microscopy: Fundamentals, progress and perspectives

Key Points

• In situ analysis enables direct insights into active sites and mechanisms of electrocatalytic reactions.
• The study emphasizes the importance of identifying reaction intermediates for understanding overall electrocatalysis.
• Scanning electrochemical microscopy is pivotal for elucidating structure–activity relationships in electrocatalysts.
• Advancements in this methodology promise to enhance efficiencies in electrocatalytic processes for various applications.