Improved battery plate and method of making

Details Improved battery plate and method of making Improved battery plate and method of making

H - Electricity

01

M

H01M 4/02 (2006.01) B22F 3/00 (2006.01) H01M 4/04 (2006.01) H01M 4/80 (2006.01)

Patent

CA 2169954

An improved battery plate (40) and a method of making for an electric storage battery (10). The battery plate comprises a plurality of metallic fibers (50, 52) of a single or plural diameters (d, D) randomly oriented and sintered to provide a conductive battery plate with a multiplicity of pores defined therein (60). The metallic fibers are formed by cladding and drawing a plurality of metallic wires to provide a fiber tow. The fiber tow is severed and the cladding is removed to form metallic fibers. The metallic fibers are arranged into a web and sintered to form a battery plate.

Plaque d'accumulateur améliorée (40) et procédé de fabrication de ladite plaque pour une batterie électrique (10). Cette plaque d'accumulateur est composée d'une pluralité de fibres métalliques (50, 52) présentant un diamètre unique ou plusieurs diamètres (d, D), orientées au hasard et agglomérées, de manière à constituer une plaque d'accumulateur conductrice possédant une multiplicité de pores (60). On obtient les fibres métalliques par placage et étirage d'une pluralité de fils métalliques, ce qui produit une filasse de fibres. On détache cette dernière et on enlève le placage, afin d'obtenir des fibres métalliques. On dispose celles-ci en bande et on les agglomère par frittage, afin d'obtenir la plaque d'accumulateur.

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