Method for producing drawn coated metals and use of said...

B - Operations – Transporting – 21 – D

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B21D 31/04 (2006.01) B21D 47/00 (2006.01) C23C 26/00 (2006.01) H01M 4/66 (2006.01) H01M 4/74 (2006.01) H01M 10/38 (2006.01) C25B 11/04 (2006.01)

Patent

CA 2507399

The invention relates to a method for producing coated drawn metal. The inventive method is characterised in that the coating is applied to a closed metal foil which is transferred to a drawn metal after the coating process only. In particular, the coating can be embodied in such a way that it improves the adhesion of said drawn metal to electrode material and/or the surface electronic conductivity thereof. The inventive drawn metals are successfully used in the form of current derivators in/for an anode foil or in/or a cathode foil, for example for an electrochemical cell, in particular for a storage battery.

L'invention concerne un procédé de production de métal étiré recouvert d'un revêtement. Ce procédé est caractérisé en ce que le revêtement est appliqué sur une feuille métallique fermée qui est transformée en métal étiré seulement après le processus de revêtement. En particulier, le revêtement peut être conçu de façon à améliorer l'adhérence du métal étiré sur un matériau d'électrode et/ou la conductivité électronique superficielle de ce métal étiré. Les métaux étirés selon l'invention s'utilisent de manière avantageuse en tant que dérivateurs de courant dans une/pour une feuille anodique ou dans une/pour une feuille cathodique, par exemple dans une cellule électrochimique, en particulier dans un accumulateur.

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