Battery separator

Details Battery separator Battery separator

H - Electricity

01

M

H01M 2/16 (2006.01)

Patent

CA 2045076

Abstract A new and improved battery separator takes the form of a porous absorbent nonwoven fibrous web of water dispersible fibers that incorporates up to 65% by weight of fibers having a high cross-sectional aspect ratio, i.e. a significantly greater width than thickness in the dry fibrous web material. The fibers are uniformly distributed throughout the web material and anchored therein with the help of a suitable synthetic binder. The high cross-sectional aspect fibers include, inter alia, collapsible hollow fibers and ribbon fibers. The high cross-sectional aspect fibers when combined with lower denier solid fibers also provide a synergistic reduction in shrinkage.

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