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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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Brito, J.
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Topics
Publications (9/9 displayed)
- 2022Improving Properties of an Experimental Universal Adhesive by Adding a Multifunctional Dendrimer (G-IEMA): Bond Strength and Nanoleakage Evaluationcitations
- 2022Implementation of Transition Metal Phosphides as Pt-Free Catalysts for PEM Water Electrolysiscitations
- 2020Dentin Bonding and SEM Analysis of a New Experimental Universal Adhesive System Containing a Dendrimercitations
- 2016Microstructure of concrete with aggregates from construction and demolition waste recycling plantscitations
- 2016Natural or artificial? Multi-analytical study of a scagliola from Estoi palace simulating imperial red porphyrycitations
- 2013ASR of mortars containing glasscitations
- 2011Nanoparticles usage tendencies in cementing systems for hydrocarbon wells
- 2011Nanoparticles usage tendencies in cementing systems for hydrocarbon wells
- 2010Consolidation of timber degraded by Fungi in Buildings: an experimental approach
Places of action
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article
Implementation of Transition Metal Phosphides as Pt-Free Catalysts for PEM Water Electrolysis
Abstract
Proton Exchange Membrane (PEM) water electrolysis (WE) produces H-2 with a high degree of purity, requiring only water and energy. If the energy is provided from renewable energy sources, it releases Green H-2, a CO2-free H-2. PEMWE uses expensive and rare noble metal catalysts, which hinder their use at a large industrial scale. In this work, the electrocatalytic properties of Transition Metal Phosphides (TMP) catalysts supported on Carbon Black (CB) for Hydrogen Evolution Reaction (HER) were investigated as an alternative to Platinum Group Metals. The physico-chemical properties and catalytic performance of the synthesized catalysts were characterized. In the ex situ experiments, the 25% FeP/CB, 50% FeP/CB and 50% CoP/CB with overpotentials of -156.0, -165.9 and -158.5 mV for a current density of 100 mA cm(-2) showed the best catalytic properties, thereby progressing to the PEMWE tests. In those tests, the 50% FeP/CB required an overpotential of 252 mV for a current density of 10 mA cm(-2), quite close to the 220 mV of the Pt catalyst. This work provides a proper approach to the synthesis and characterization of TMP supported on carbon materials for the HER, paving the way for further research in order to replace the currently used PGM in PEMWE.