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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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Connor, Paul Alexander
University of St Andrews
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2021Use of interplay between A-site non-stoichiometry and hydroxide doping to deliver novel proton-conducting perovskite oxidescitations
- 2021Carrier extraction from metallic perovskite oxide nanoparticlescitations
- 2020High oxide ion and proton conductivity in a disordered hexagonal perovskitecitations
- 2019Nanostructured perovskite solar cells
- 2018Transition metal chlorides NiCl2, KNiCl3, Li6VCl8 and Li2MnCl4 as alternative cathode materials in primary Li thermal batteriescitations
- 2017Zero-dimensional methylammonium iodo bismuthate solar cells and synergistic interactions with silicon nanocrystalscitations
- 2017Synthesis and electrochemical study of CoNi2S4 as a novel cathode material in a primary Li thermal batterycitations
- 2016Zirconium trisulfide as a promising cathode material for Li primary thermal batteriescitations
- 2015Highly efficient, coking-resistant SOFCs for energy conversion using biogas fuelscitations
- 2015Anodescitations
- 2014Development and performance of MgFeCrO4 – based electrodes for solid oxide fuel cellscitations
- 2013Development and performance of MgFeCrO4 – based electrodes for solid oxide fuel cellscitations
- 2013Remarkable transition from rocksalt/perovskite layered structure to fluorite/rocksalt layered structure in rapidly cooled Ln 2 CuO 4citations
- 2013Remarkable transition from rocksalt/perovskite layered structure to fluorite/rocksalt layered structure in rapidly cooled Ln2CuO4citations
- 2013Development and performance of MgFeCrO 4 – based electrodes for solid oxide fuel cellscitations
- 2007Structural chemistry and conductivity of solid solution YBa 1-x Sr x Co 2 O 5+δcitations
Places of action
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article
Development and performance of MgFeCrO4 – based electrodes for solid oxide fuel cells
Abstract
Composite anodes for solid oxide fuel cells (SOFC) developed on yttria stabilised zirconia (YSZ) porous supports by infiltration of electrode materials has been successfully applied for various anode and cathode compositions, resulting in high performance SOFC devices. The focus of this study is the performance of the chromium-rich spinel (MgFeCrO4) as an electrode support material when used alone or impregnated. The composite anodes were prepared by aqueous infiltration of nitrate salts to produce (La0.75Sr0.25)0.97Cr0.5Mn0.5O3−δ, Ce0.9Gd0.1O2−δ, CeO2 or Pd into a MgFeCrO4 scaffold with 45% porosity and studied by electrochemical impedance spectroscopy in symmetrical cell configuration. The performance was evaluated in humidified 5% H2/Ar in order to quantify their stability and performance up to 850 °C with respect to the MgFeCrO4 porous substrate. It was found that all the impregnated phases adhere very well to the spinel and considerably enhance performance and stability to a level required for SOFC applications. MgFeCrO4/LSCM/CGO and MgFeCrO4/LSCM/CGO/Pd showed the most substantial improvement in comparison to the scaffold’s performance, with ASR values of 1.74 Ω cm2 and 0.91 Ω cm2, respectively.