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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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Gilles, Robert
in Cooperation with on an Cooperation-Score of 37%
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patent
Strukturierter Körper für eine in Brennstoffzellen verwendete Anode
Abstract
A structured body for an anode of fuel cells comprises structure formed by macro-pores and an electrode material whose macro-pores form communicating spaces that are produced by means of pore forming materials. The electrode material includes skeleton-like or net-like connected structures of particles that are connected by sintering, forming two reticular systems that inter-engage. A structured body for an anode (1) used in fuel cells comprises a structure formed by macro-pores (100) and an electrode material (5) whose macro-pores form communicating spaces that are produced by means of pore forming materials. The electrode material includes skeleton-like or net-like connected structures of particles that are connected by sintering, forming two reticular systems that inter-engage. The first reticular system is made of ceramic material.; The second reticular system contains metals that bring about an electrical conductivity. The electrode material has properties that, with a multiple change between oxidizing and reducing conditions, substantially no major property changes occur in the ceramic reticular system. An oxidation or reduction of the materials results in the second reticular system. The two reticular systems form a compact structure that contains micro-pores (110) in the oxidized state whose proportion by volume is less than 20, preferably less than 5% with respect to the electrode material. Independent claims are also included for: (a) a high temperature fuel cell having a structured body as above, comprising an electrode material used at an operating temperature of at most 1000 degrees C; an anode forming a support structure (10) for a thin solid electrolyte layer; a cathode; communicating spaces in the anode that enable permeability for a gaseous fuel that is sufficient with respect to current supplying electrode reactions, and up to a boundary zone under the electrolyte layer in which a further gas permeability is given by the micropores of the electrode material; and (b) a method of manufacturing a structured body, comprising grinding and classifying the particles into a sufficiently fine form to form the reticular systems; forming the particles into a homogeneous mixture with pore forming materials and a liquid; forming the slurry into a layer; ; and sintering the slurry layer together with a solid electrolyte layer (3).