Battery separator

Details Battery separator Battery separator

H - Electricity

01

M

H01M 2/16 (2006.01) H01M 6/06 (2006.01) H01M 2/14 (2006.01) H01M 4/62 (2006.01)

Patent

CA 2313645

A separator (16) for batteries that does not include a layer of membrane material is provided. The separator (16) includes two layers (16a, 16b) of materials that are disposed adjacent each other. The layers can be formed of the same or different materials. The materials can be woven or nonwoven. In certain embodiments, the layers are formed of the same nonwoven, non-membrane material which is a matrix of polyvinyl alcohol fibers, cellulose fibers and a polyvinyl alcohol binder.

L'invention concerne un séparateur (16) de pile qui ne comprend pas de couche de matière membraneuse. Le séparateur (16) comprend deux couches (16a, 16b) de matières disposées de façon adjacente l'une par rapport à l'autre. Les couches peuvent être constituées de la même matière ou de matières différentes. Les matières peuvent être tissées ou non tissées. Dans certains modes de réalisation, les couches sont constituées de la même matière non tissée et non membraneuse, qui est une matrice de fibres de polyalcool vinylique, de fibres de cellulose et d'un liant de polyalcool vinylique.

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