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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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Guillon, Olivier
RWTH Aachen University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (26/26 displayed)
- 2024Enabling High-Performance Hybrid Solid-State Batteries by Improving the Microstructure of Free-Standing LATP/LFP Composite Cathodes
- 2024Blacklight sintering of garnet-based composite cathodes
- 2024Enabling High-Performance Hybrid Solid-State Batteries by Improving the Microstructure of Free-Standing LATP/LFP Composite Cathodes.citations
- 2024Correlative characterization of plasma etching resistance of various aluminum garnetscitations
- 2024Correlative characterization of plasma etching resistance of various aluminum garnets
- 2024Delithiation-induced secondary phase formation in Li-rich cathode materials
- 2024Space charge governs the kinetics of metal exsolutioncitations
- 2024Direct Precursor Route for the Fabrication of LLZO Composite Cathodes for Solid‐State Batteries
- 2024Tooling in Spark Plasma Sintering Technology: Design, Optimization, and Applicationcitations
- 2023Role of Fe/Co Ratio in Dual Phase Ce0.8Gd0.2O2−δ–Fe3−xCoxO4 Composites for Oxygen Separationcitations
- 2023Kinetics and Pore Formation of the Sodium Metal Anode on NASICON‐Type Na$_{3.4}$ Zr$_2$Si$_{2.4}$P$_{0.6}$O$_{12}$ for Sodium Solid‐State Batteries
- 2023Enhanced metal exsolution at the non-polar (001) surfaces of multi-faceted epitaxial thin filmscitations
- 2023Creep and Superplasticity of Gadolinium-Doped Ceria Ceramics under AC Electric Current
- 2023Enabling metal substrates for garnet-based composite cathodes by laser sintering
- 2023Optimizing the Composite Cathode Microstructure in All‐Solid‐State Batteries by Structure‐Resolved Simulations
- 2023Oxide ceramic electrolytes for all-solid-state lithium batteries – cost-cutting cell design and environmental impactcitations
- 2022Rapid thermal processing of garnet-based composite cathodescitations
- 2022Kinetics and Pore Formation of the Sodium Metal Anode on NASICON‐Type Na$_{3.4}$ Zr$_2$Si$_{2.4}$P$_{0.6}$O$_{12}$ for Sodium Solid‐State Batteriescitations
- 2022Rapid thermal sintering of screen-printed LiCoO2 filmscitations
- 2021Optimization of sintering conditions for improved microstructural and mechanical properties of dense Ce0.8Gd0.2O2-δ-FeCo2O4 oxygen transport membranescitations
- 2021Injection Molding and Near-Complete Densification of Monolithic and Al2O3 Fiber-Reinforced Ti2AlC MAX Phase Compositescitations
- 2020The grain‐boundary resistance of CeO 2 ceramics: A combined microscopy‐spectroscopy‐simulation study of a dilute solutioncitations
- 2020Microstructure, ionic conductivity and mechanical properties of tape-cast Li1.5Al0.5Ti1.5P3O12 electrolyte sheetscitations
- 2019Topological optimization of patterned silicon anode by finite element analysiscitations
- 2011Constrained sintering of glass films: Microstructure evolution assessed through synchrotron computed microtomographycitations
- 2005New considerations about the fracture mode of PZT ceramicscitations
Places of action
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article
Optimization of sintering conditions for improved microstructural and mechanical properties of dense Ce0.8Gd0.2O2-δ-FeCo2O4 oxygen transport membranes
Abstract
<p>Ce<sub>0.8</sub>Gd<sub>0.2</sub>O<sub>2-</sub><sub>δ</sub>-FeCo<sub>2</sub>O<sub>4</sub> composite is an excellent oxygen transport membrane material with good chemical stability for applications in oxygen separation and membrane reactors. To improve microstructural and mechanical properties, sintering profiles for Ce<sub>0.8</sub>Gd<sub>0.2</sub>O<sub>2-</sub><sub>δ</sub>-FeCo<sub>2</sub>O<sub>4</sub> composites were optimized. Different sintering temperatures are selected based on our study of phase interactions among the initial powder mixtures using high-temperature X-ray diffraction. The results reveal that the phase interaction at ∼1050 ℃ accelerates densification process, and a further increase of sintering temperature to 1200 ℃ contributes to the homogenization of the pore distribution. A higher density and an improved homogeneity of pore distribution result in enhanced mechanical strength. However, the density decreases once the sintering temperature reaches 1350 ℃. Hence, the optimal sintering temperature considering both microstructural and mechanical properties appears to be 1200 ℃. Sintering at this temperature results in a microstructure with a density exceeding 99 % with only small surface defects and a high average flexural strength of approximately 266 MPa.</p>