Spirally wound electrochemical cell and method and appartus...

H - Electricity – 01 – M

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319/104

H01M 2/18 (2006.01) H01M 4/78 (2006.01) H01M 6/10 (2006.01) H01M 10/04 (2006.01)

Patent

CA 1089930

Abstract of the Disclosure A spirally wound element comprising opposite polarity plates and interleaved separator as described, for use in electrochemical cylindrically configured cells. The cell pack has a uniform predetermined cross section irrespective of variation in component thicknesses as long as such thicknesses are within specified tolerances. A dual head, belt-driven winder and method are also described for producing the spiral cell pack.

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