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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Cornut, Renaud
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Topics
Publications (9/9 displayed)
- 2023Scrutinizing intrinsic oxygen reduction reaction activity of a Fe−N−C catalyst via scanning electrochemical cell microscopycitations
- 2023Scrutinizing intrinsic oxygen reduction reaction activity of a Fe−N−C catalyst via scanning electrochemical cell microscopycitations
- 2020Iron Strapped Porphyrins on Carbon Nanotubes As Hybrid Materials for the ORR Reaction
- 2019Bifunctional coatings: coupling an organic adhesion promoter with an anticorrosion inorganic layercitations
- 2019Understanding of discharge-charge processes inside porous binder- free carbon nanotube membrane as cathode materials in non-aqueous Li-Air batteries
- 2016Carbon Nanotube-Templated Synthesis of Covalent Porphyrin Network for Oxygen Reduction Reaction
- 2015Local surface modification via confined electrochemical deposition with FluidFMcitations
- 2015Local surface modification via confined electrochemical deposition with FluidFM †citations
- 2015Enhancing the performances of P3HT:PCBM – MoS3 based H2-evolving photocathodes with interfacial layerscitations
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article
Scrutinizing intrinsic oxygen reduction reaction activity of a Fe−N−C catalyst via scanning electrochemical cell microscopy
Abstract
Carbon-based nanomaterials are renowned for their exceptional properties, making them propitious candidates for oxygen reduction reaction (ORR) electrocatalysis. However, their intrinsic activity is often challenging to investigate unambiguously with conventional methodologies due to the inherent complexities of such systems and the material itself. Zooming into the material and gaining electrochemical information with high resolution is a way to get rid of many experimental factors that influence the catalytic activity in macro-scale measurements. Herein, we employ nano-scale scanning electrochemical cell microscopy (SECCM) to investigate individual catalyst agglomerates with and without Nafion content. The intrinsic ORR activity of the catalyst was unravelled by using a unique approach of normalizing the data of all measured points by their distinctive electrochemical surface area (ECSA). When coupling with scanning electron microscopy (SEM), the structure and morphology of the catalytically active agglomerates were visualized.