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Secondary battery

  • US 4,728,588 A
  • Filed: 06/01/1987
  • Issued: 03/01/1988
  • Est. Priority Date: 06/01/1987
  • Status: Expired due to Fees
First Claim
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1. A secondary battery which features:

  • (a) a polymer film comprised of,(i) a polymer,(ii) a plasticizer for said polymer,(iii) an epoxidized vegetable oil,(iv) a salt disassociatingly solubilized in said plasticizer, said salt having the formula MXa wherein,X is chloride, bromide or iodide,M is a metal ion having a reduction-oxidation potential greater than that of X, and a is the oxidation number of M, and(v) graphite; and

    (b) first and second collector plates, said first collector plate being in electronic contact with one side of said polymer film and said second collector plate being in electronic contact with the other side of said polymer film.

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