Operando Fe dissolution in Fe–N–C electrocatalysts during acidic oxygen reduction: impact of local pH change

• DOI: 10.1039/d4ee01995d
• Publication Date: 2024-07-30T15:24:20Z
• Authors: Angus Pedersen; Kavita Kumar; Yu-Ping Ku; Vincent Martin; Laetitia Dubau; Keyla Teixeira Sa...; Jesús Barrio; Viktoriia A. Save...; Pieter Glatzel; Vinod K. Paidi; Xiaoyan Li; Andreas Hutzler; Maria-Magdalena T...; Antoine Bonnefont; Serhiy Cherevko; Ifan E. L. Stephens; Frédéric Maillard
• Keywords: 690; Chemistry; info:eu-repo/classification/ddc/690

Fe cations produced during the reduction of O 2 on Fe–N–C materials transform into Fe-oxides due to a local increase in pH.