ArticleCommunications chemistry2025
Impact of ionomers on porous Fe-N-C catalysts for alkaline oxygen reduction in gas diffusion electrodes.
Article in Communications chemistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Contribution of Mg-templated porosity to activity and durability in Fe-N-C OMaterials advances · 2026Article
- Synthesis of Functional Materials Using N-heterocyclic Amines Beyond Melamine.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Review
- Breaking the Linear Scaling Relations for the Oxygen Reduction Reaction with a Dual-Atom Catalyst Composed of a MnFe-Porphyrrole Aerogel.Angewandte Chemie (International ed. in English) · 2025Article
- A Membraneless Electrochemically Mediated Amine Regeneration for Carbon Capture.Nature communications · 2025Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Alkaline exchange membrane fuel cells (AEMFCs) offer a promising alternative to the traditional fossil fuel due to their ability to use inexpensive platinum group metal (PGM)-free catalysts, which could potentially replace Platinum-based catalysts. Iron coordinated in nitrogen-doped carbon (Fe-N-C) single atom electrocatalysts offer the best Pt-free ORR activities. However, most research focuses on material development in alkaline conditions, with limited attention on catalyst layer fabrication. Here, we demonstrate how the oxygen reduction reaction (ORR) performance of a porous Fe-N-C catalyst is affected by the choice of three different commercial ionomers and the ionomer-to-catalyst ratio (I/C). A Mg-templated Fe-N-C is employed as a catalyst owing to the electrochemical accessibility of the Fe sites, and the impact of ionomer properties and coverage were studied and correlated with the electrochemical performance in a gas-diffusion electrode (GDE). The catalyst layer with Nafion at I/C = 2.8 displayed the best activity at high current densities (0.737 ± 0.01 V
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Registered trials
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