Engineering ionomer homogeneously distributed onto the fuel cell electrode with superbly retrieved activity towards oxygen reduction reaction

[Display omitted] •Pt/C electrode with unprecedented-thin ionomer layer is demonstrated via HH-ESD.•Hierarchical structure with uniform distribution of ionomer is successfully created.•This electrode exhibits 3x mass activity and 2x cell performance at 0.1 mgPt/cm2.•Durability towards carbon corrosi...

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Veröffentlicht in:	Applied catalysis. B, Environmental Environmental, 2021-12, Vol.298, p.120609, Article 120609
Hauptverfasser:	Jung, Chi-Young, Choi, Seo-Won, Choi, Won-Young, Hong, Chae-Won, Jothi, Vasanth Rajendiran, Yi, Sung-Chul
Format:	Artikel
Sprache:	eng
Schlagworte:	Catalytic activity Chemical reduction Electrodes Electrostatic spray deposition Fuel cells Fuel technology Ionomer distribution Ionomers Mass transport Membrane electrode assembly Oxygen reduction reactions Platinum on carbon support Polymer electrolyte fuel cell Polymers Proton exchange membrane fuel cells Slurries Spray deposition Structural hierarchy Sulfonic acid
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