Ledende kompositmateriale samt ud fra dette materiale ved termokompression formet brændselscelleelektrode

This invention relates to a composite conducting material comprised of a mixture of flake graphite and thermoplastic polymer powder sintered at high pressure that can be used for realizing a fuel cell electrode. The mixture comprises a first type of flake graphite composed of flakes having a granulo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BOURGEOISAT, ERIC, JOUSSE, FRANCK, SALAS, JEAN-FELIX, BAURENS, PIERRE
Format:	Patent
Sprache:	dan
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CABLES CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CONDUCTORS ELECTRICITY INSULATORS LIME, MAGNESIA METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY REFRACTORIES SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	This invention relates to a composite conducting material comprised of a mixture of flake graphite and thermoplastic polymer powder sintered at high pressure that can be used for realizing a fuel cell electrode. The mixture comprises a first type of flake graphite composed of flakes having a granulometry between 10 and 100 mum and/or a second type of flake graphite comprised of clusters of particles of graphite linked and superimposed upon each other in such a fashion that their principal planes are parallel to each other; said clusters having a planar anisotropy and having between 10 mum and 1 mm in length and between 5 and 50 mum in thickness, the mixture also comprising a thermoplastic polymer powder having a granulometry between 10 and 200 mum, the flakes and/or the clusters having their principal planes parallel to each other.