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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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Pirou, Stéven
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2024Fabrication framework for metal supported solid oxide cells via tape castingcitations
- 2024Fabrication framework for metal supported solid oxide cells via tape castingcitations
- 2024Development of glass sealants for proton conducting ceramic cells:materials, concepts and challengescitations
- 2023Solid Oxide Electrochemical Cells for Nitrogen and Oxygen Production
- 2023Perovskite/Ruddlesden-Popper composite fuel electrode of strontium-praseodymium-manganese oxide for solid oxide cells: An alternative candidatecitations
- 2022Planar proton-conducting ceramic cells for hydrogen extractioncitations
- 2022Planar proton-conducting ceramic cells for hydrogen extraction:Mechanical properties, electrochemical performance and up-scalingcitations
- 2019Hydrothermal Synthesis, Characterization, and Sintering Behavior of Core-Shell Particles: A Principle Study on Lanthanum Strontium Cobaltite Coated with Nanosized Gadolinium Doped Ceriacitations
- 2019Hydrothermal Synthesis, Characterization, and Sintering Behavior of Core-Shell Particles: A Principle Study on Lanthanum Strontium Cobaltite Coated with Nanosized Gadolinium Doped Ceriacitations
- 2018Exploring the Processing of Tubular Chromite- and Zirconia-Based Oxygen Transport Membranescitations
- 2018Exploring the Processing of Tubular Chromite- and Zirconia-Based Oxygen Transport Membranescitations
- 2018Hydrothermal Synthesis, Characterization, and Sintering Behavior of Core-Shell Particles: A Principle Study on Lanthanum Strontium Cobaltite Coated with Nanosized Gadolinium Doped Ceriacitations
- 2017Stability and performance of robust dual-phase (ZrO 2 ) 0.89 (Y 2 O 3 ) 0.01 (Sc 2 O 3 ) 0.10 -Al 0.02 Zn 0.98 O 1.01 oxygen transport membranescitations
- 2016Oxygen permeation flux through 10Sc1YSZ-MnCo2O4 asymmetric membranes prepared by two-step sinteringcitations
- 2016Oxygen permeation flux through 10Sc1YSZ-MnCo 2 O 4 asymmetric membranes prepared by two-step sinteringcitations
Places of action
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article
Planar proton-conducting ceramic cells for hydrogen extraction
Abstract
Proton-conducting ceramics, which selectively separate H<sub>2</sub> from any hydrogen-containing gas could play a role in the future of the growing hydrogen market. In recent years, membrane technologies related to H<sub>2</sub> extraction became attractive solutions to produce pressurized high-purity hydrogen. Yttrium-doped barium zirconate/cerate materials (BaCe<sub>x</sub>Zr<sub>1-x-y</sub>Y<sub>y</sub>O<sub>3-δ</sub>) are among the most studied and used materials. In this study, symmetrical cells consisting of a protonic electrolyte (BaCe<sub>0.2</sub>Zr<sub>0.7</sub>Y<sub>0.1</sub>O<sub>3-δ</sub> (BCZY27), 10‒15 μm in thickness) surrounded by two cermet electrodes (BCZY27–Ni (50‒50 vol.%), 150 μm) were prepared for H<sup>2</sup> extraction applications. The cells were prepared via tape-casting and co-sintered at 1575 °C. The cells were up-scaled to an area of 135 cm<sup>2</sup>. The fracture toughness of the cermet electrodes was determined to be 2.07 (±0.05) MPa∙m<sup>1/2</sup> at room temperature using the double torsion technique. Impedance spectra were recorded on the symmetrical cells between 650 and 800 °C in 3% humidified 50% H<sub>2</sub>/50% N<sub>2</sub> atmosphere and at 650 °C varying the hydrogen partial pressure (20% < pH2<100%). In 50% H<sub>2</sub>/50% N<sub>2</sub> with 3% H<sub>2</sub>O the cells demonstrated an ohmic resistance of 0.59 and 0.44 Ω cm,<sup>2</sup> an average electrode polarization resistance of 0.10 and 0.09 Ω cm<sup>2</sup> (per one electrode) at 650 and 800 °C, respectively. Moreover, a stability test was performed over 400 h highlighting the stable electrochemical properties of the symmetrical membranes.