This study systematically screens commercially available gas diffusion layers (GDLs) for CO₂ electrolysis to CO, aiming to improve energy efficiency and understand performance fading. Researchers compared GDLs differing in microporous layer (MPL), polytetrafluoroethylene (PTFE) content, thickness, and carbon fiber orientation. Electrochemical results were correlated with GDL hydrophobicity and surface cracking, revealing key parameters affecting CO₂RR performance and selectivity.
Publisher
Communications Chemistry
Published On
Feb 24, 2023
Authors
Angelika Anita Samu, Imre Szenti, Ákos Kukovecz, Balázs Endrődi, Csaba Janáky
Tags
gas diffusion layers
CO₂ electrolysis
energy efficiency
performance fading
microporous layer
hydrophobicity
selectivity
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