Search Results - "Khajavi, Peyman"

Improving the fracture toughness of stabilized zirconia-based solid oxide cells fuel electrode supports: Effects of type and concentration of stabilizer(s) by Khajavi, Peyman, Hendriksen, Peter Vang, Chevalier, Jérôme, Gremillard, Laurent, Frandsen, Henrik Lund

“…Further development and upscaling of the Solid Oxide fuel and electrolysis Cell (SOCs) technologies would significantly benefit from improvement of their…”
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Stable, asymmetric, tubular oxygen transport membranes of (Sc2O3)0.10(Y2O3)0.01(ZrO2)0.89 – LaCr0.85Cu0.10Ni0.05O3-δ by Aguilera, Lev Martinez, Pirou, Stéven, Khajavi, Peyman, García-Fayos, Julio, Serra, Jose Manuel, Frandsen, Henrik Lund, Hendriksen, Peter Vang, Kaiser, Andreas, Kiebach, Ragnar, Haugen, Astri Bjørnetun

“…Oxygen transport membranes have the potential to deliver pure and cheap oxygen to chemical reactors, combustors, gasifiers etc., given that geometry,…”
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Mitigating low-temperature hydrothermal degradation of 2 mol% yttria stabilised zirconia and of 3 mol% yttria stabilised zirconia/nickel oxide by calcium oxide co-doping and two-step sintering by Taubmann, Julian, Frandsen, Henrik Lund, Khajavi, Peyman

“…Hydrothermal degradation deteriorates the fracture toughness and strength of tetragonal stabilised zirconia. The phase transformation to the monoclinic phase…”
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High-temperature degradation of tetragonal zirconia in solid oxide fuel and electrolysis cells: A critical challenge for long-term durability and a solution by Khajavi, Peyman, Hendriksen, Peter Vang, Frandsen, Henrik Lund

“…Solid oxide fuel and electrolysis cells (SOCs) are promising devices for efficiently generating electricity and hydrogen/syngas, respectively. The preferred…”
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Kinetic and equilibrium modeling of single and binary adsorption of methyl tert-butyl ether (MTBE) and tert-butyl alcohol (TBA) onto nano-perfluorooctyl alumina by Mirzaei, Amir, Ebadi, Amanollah, Khajavi, Peyman

“…[Display omitted] •Two novel adsorbents: nano-PFOALG and nano-PFOALB were used as sorbents.•Experimental and modeling analysis of MTBE/TBA adsorption in single…”
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Planar proton-conducting ceramic cells for hydrogen extraction: Mechanical properties, electrochemical performance and up-scaling by Pirou, Stéven, Wang, Qingjie, Khajavi, Peyman, Georgolamprou, Xanthi, Ricote, Sandrine, Chen, Ming, Kiebach, Ragnar

“…1Proton-conducting ceramics2BaCe0.2Zr0.7Y0.1O3-δProton-conducting ceramics, which selectively separate H2 from any hydrogen-containing gas could play a role in…”
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Fracture toughness and slow crack growth behaviour of metal-proton conducting ceramic composites by Palmerini, Federico, Pirou, Steven, Frandsen, Henrik Lund, Kiebach, Wolff-Ragnar, Khajavi, Peyman

“…The fracture toughness and slow crack growth behaviour of two load-bearing metal ceramic components adopted in negatrode-supported electrochemical devices,…”
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Ag–SiO2 - An optimized braze for robust joining of commercial coated stainless steel to ceramic solid oxide cells by Wang, Zhiquan, Li, Chun, Cao, Jian, Ritucci, Ilaria, Khajavi, Peyman, Kiebach, Ragnar

“…In this study, Ag–SiO2 was successfully used to join Ce/Co coated AISI 441 stainless steels produced by Sandvik to Solid Oxide Cells. Defect-free and robust…”
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Strength and hydrothermal stability of NiO–stabilized zirconia solid oxide cells fuel electrode supports by Khajavi, Peyman, Frandsen, Henrik Lund, Gremillard, Laurent, Chevalier, Jérôme, Hendriksen, Peter Vang

“…Long-term, reliable operation of Solid Oxide fuel and electrolysis Cell (SOCs) necessitates cells with high strength and resistance to mechanical degradation…”
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Preparation of non-permselective sulfated zirconia catalytic membrane for use in a catalytic membrane reactor by Khajavi, Peyman, Babaluo, Ali Akbar

“…•Cost-effective sulfated zirconia catalytic membrane was prepared.•Aluminum isopropylate and silica powder were used to facilitate layers preparation.•Coating…”
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Comparison of 2D and 3D materials on membrane modification for improved pressure retarded osmosis (PRO) process by Su, Ziran, Malankowska, Magdalena, Marschall Thostrup, Thomas, DeMartini, Markus, Khajavi, Peyman, Guo, Haofei, Storm Pedersen, Lars, Pinelo, Manuel

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Tetragonal phase stability maps of ceria-yttria co-doped zirconia: From powders to sintered ceramics by Khajavi, Peyman, Xu, Yu, Frandsen, Henrik Lund, Chevalier, Jérôme, Gremillard, Laurent, Kiebach, Ragnar, Hendriksen, Peter Vang

“…Ceria-Yttria co-doped tetragonal zirconia is an attractive class of materials having high strength, toughness and thermal stability. In this study, several…”
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Comment on “Chemical-Composition-Dependent Metastability of Tetragonal ZrO 2 in Sol–Gel-Derived Films under Different Calcination Conditions” by Khajavi, Peyman, Babaluo, Ali Akbar

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Comment on “Chemical-Composition-Dependent Metastability of Tetragonal ZrO2 in Sol–Gel-Derived Films under Different Calcination Conditions” by Khajavi, Peyman, Babaluo, Ali Akbar

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Double Torsion testing of thin porous zirconia supports for energy applications: Toughness and slow crack growth assessment by Khajavi, Peyman, Chevalier, Jérôme, Vang Hendriksen, Peter, Tavacoli, Joe W., Gremillard, Laurent, Lund Frandsen, Henrik

“…Thin, porous zirconia-based ceramic components are of high interest in energy application devices where they are used as structural ceramics. Mechanical…”
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Corrigendum to ‘Synthesis of zirconia nanopowders from various zirconium salts via polyacrylamide gel method’ by Khajavi, Peyman, Babaluo, Ali Akbar

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Stabilization of the Metastable Tetragonal Phase in Zirconia Nanopowders Synthesized via Polyacrylamide Gel Method by Khajavi, Peyman, Babaluo, Ali Akbar, Tavakoli, Akram, Mirzaei, Amir

“…In this work, the possibility of synthesizing stable tetragonal zirconia nanopowders via polyacrylamide gel method was investigated. In addition, the effects…”
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A Ba‐free sealing glass with a high coefficient of thermal expansion and excellent interface stability optimized for SOFC/SOEC stack applications by Ritucci, Ilaria, Agersted, Karsten, Zielke, Philipp, Wulff, Anders Christian, Khajavi, Peyman, Smeacetto, Federico, Sabato, Antonio Gianfranco, Kiebach, Ragnar

“…A new glass‐ceramic composition containing Si, Mg, Ca, Na, Al, Zr, and B is presented here as sealant for planar SOFCs/SOECs, with the aim of joining the…”
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