Method of manufacturing a porous metallic sheet for use as...

Details Method of manufacturing a porous metallic sheet for use as... Method of manufacturing a porous metallic sheet for use as...

Category

H - Electricity

Subcategory

01

Subsubcategory

M

IPC codes

H01M 4/80 (2006.01)

Type

Patent

Patent number

CA 2254504

Description

The present invention relates to a method of manufacturing a porous metallic sheet for use as an electrode substrate of a battery. The method comprises the steps of forming a mixture by kneading metallic powders and resin binder; spinning metallic fibers by extruding the mixture from a spinning nozzle; and forming the spun metallic fibers into a porous fibrous structure or a three-dimensional net-shaped structure.

La présente invention a pour objet une méthode pour la production d'une tôle en métal poreux servant à la fabrication d'un substrat pour électrode de batterie d'accumulateurs. La méthode en question comporte les étapes suivantes : formation d'un mélange par malaxage de poudres métalliques et d'une résine agglomérante; filage des fibres métalliques par extrusion du mélange à travers une filière d'étirage; formation d'une structure poreuse ou d'une structure tridimensionnelle en forme de filet à partir des fibres métalliques repoussées.

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