Battery separator for li-ion and/or li-ion polymer battery

H - Electricity – 01 – M

Patent

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H01M 2/14 (2006.01) H01M 2/16 (2006.01) H01M 2/18 (2006.01) H01M 6/00 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2392547

A separator (40) for a Li-ion polymer battery (10) comprised of a plurality of separator layers (40a, 40b, 40c) that are laminated together. The plurality of separator layers (40a, 40b, 40c) including a first layer (40a) formed of a first separator material, and a second layer (40b) formed of a second separator material, wherein the second layer (40b) is compositionally and structurally different from the first layer (40a).

L'invention concerne un séparateur pour batterie polymère lithium-ion constitué d'une pluralité de couches de séparateur superposées. Cette pluralité de couches de séparateurs comprend une première couche constituée d'un premier matériau de séparateur, et une seconde couche constituée d'un second matériau de séparateur, la seconde couche étant différente de la première tant sur le plan de la composition que de la structure.

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