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Packaging for an electrochemical device and device using same

  • US 5,591,540 A
  • Filed: 06/26/1995
  • Issued: 01/07/1997
  • Est. Priority Date: 06/26/1995
  • Status: Expired due to Term
First Claim
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1. A packaging material for an electrochemical charge storage device consisting of a multilayered polymeric material having a water vapor permeability of less than 2.0 g/m2 day and an oxygen vapor permeability of less than 200 mL/m2 day, wherein said electrochemical charge storage device is an aqueous battery, a gel battery, a solid state battery cell, or an electrochemical capacitor.

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