H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/80 (2006.01)
Patent
CA 2254551
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 placing a web comprising metallic fibers on a supporter and injecting fluid having a high pressure and a high speed into the web to intertwine the metallic fibers with each other to form the metallic fibers into a three-dimensional sheet. The method further includes the step of heating the three-dimensional sheet comprising intertwined metallic fibers at a pressure and at a temperature lower than the melting point of the metallic fibers so as to fuse surface of the metallic fibers at points of intersection.
Cette invention concerne une méthode de fabrication d'une feuille métallique poreuse destinée à servir de support d'électrode d'une batterie. Elle comprend les étapes suivantes : mise en place d'un tapis de fibres métalliques sur un support et injection d'un fluide haute pression et haute vitesse dans le tapis pour enchevêtrer les fibres de façon à former une feuille tridimensionnelle. Elle comprend en outre une étape de chauffage de ladite feuille sous pression et à une température inférieure au point de fusion des fibres de manière à assurer le liaisonnement superficiel des fibres à leurs points de contact les unes avec les autres.
Katayama Special Industries Ltd.
Kirby Eades Gale Baker
LandOfFree
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