Revisit to Grain Boundary Effect in Pt Nanocrystals toward the Oxygen Electroreduction Reaction

• Published in: ChemCatChem Vol. 15; no. 12
• Main Authors: Kabiraz, Mrinal Kanti, Choi, Sang‐Il
• Format: Journal Article
• Language: English
• Published: Weinheim Wiley Subscription Services, Inc 22.06.2023
• Subjects: Atomic properties; Bimetals; Chemical reduction; Coordination numbers; Crystal defects; electrocatalysis; Fuel cells; Grain boundaries; grain boundary; Leaching; Nanocrystals; Noble metals; Oxidation; oxygen reduction reaction; Oxygen reduction reactions; Platinum; Platinum base alloys; reaction mechanism; Surface defects

The effect of catalytic surface defects in the oxygen reduction reaction (ORR) has been extensively studied to enhance the performance of proton‐exchange‐membrane fuel cells. Platinum (Pt)‐based nanocatalysts have been used to overcome the poor performance of ORR, and Sabatier‐type activity plots ha...