| People | Locations | Statistics |
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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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Pireaux, Jean Jacques
University of Namur
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2023Plasma Treatment of Polystyrene Films—Effect on Wettability and Surface Interactions with Au Nanoparticlescitations
- 2022Low-pressure plasma process for the dry synthesis of cactus-like Au-TiO2 nanocatalysts for toluene degradationcitations
- 2022X-ray Photoelectron Spectroscopy (XPS) Analysis of Ultrafine Au Nanoparticles Supported over Reactively Sputtered TiO 2 Filmscitations
- 2022Low-pressure plasma process for the dry synthesis of cactus-like Au-TiO 2 nanocatalysts for toluene degradationcitations
- 2021Compositional, structural, morphological, and optical properties of ZnO thin films prepared by PECVD techniquecitations
- 2020Using ammonia for reactive magnetron sputtering, a possible alternative to HiPIMS?citations
- 2020Formable chromium nitride coatings for proton exchange membrane fuel cell stainless steel bipolar platescitations
- 2019Carbon-based lanthanum nickelate material La 2−x−y Nd x Pr y NiO 4+δ (x = 0, 0.3, and 0.5; y = 0 and 0.2) as a bifunctional electrocatalyst for oxygen reduction in alkaline mediacitations
- 2019Defective Pt–Ni/graphene nanomaterials by simultaneous or sequential treatments of organometallic precursors by low-pressure oxygen plasmacitations
- 2018Wide range investigation of duty cycle and frequency effects on bipolar magnetron sputtering of chromium nitridecitations
- 2015Interface and Composition Analysis on Perovskite Solar Cellscitations
- 2015Air-stable, non-volatile resistive memory based on hybrid organic/inorganic nanocompositescitations
Places of action
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article
Formable chromium nitride coatings for proton exchange membrane fuel cell stainless steel bipolar plates
Abstract
<p>Among the different coatings developed for proton exchange membrane fuel cell steel bipolar plate, nitride-based coatings present several advantages compared to gold or polymeric coating: high chemical stability, low interfacial contact resistance and reasonable cost. In this work, 50 nm thick chromium nitride coatings are deposited by reactive magnetron sputtering on 316L stainless steel foil. They are optimized to fulfill the Department of Energy targets in terms of interfacial contact resistance (ICR) and corrosion resistance, with values of 8.4 mΩ cm<sup>−2</sup> (at 100 N cm<sup>−2</sup>) and 0.10 μA cm<sup>−2</sup> (in 0.6 M H<sub>2</sub>SO<sub>4</sub> solution at 0.48 V<sub>vs. SCE</sub> potential) respectively. Moreover, they retain their excellent properties after high deformation (biaxial deformation of 20% in x-axis and 5% in y-axis), giving the possibility to achieve, in line, the stamping of a bipolar plate from a coated foil. The etching of the substrate, prior to the coating deposition, appears to be determinant to obtain low and stable corrosion current and ICR. The removing of interfacial oxyde leads to better coating adhesion and improves the corrosion resistance and electrical conductivity. The enhancement of the properties (low ICR and high corrosion resistance) is durable, with no signicant change of the ICR value up to 200 days after deposition.</p>