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Solid polymer electrolyte, battery and solid-state electric double layer capacitor using the same as well as processes for the manufacture thereof

  • US 5,597,661 A
  • Filed: 01/30/1995
  • Issued: 01/28/1997
  • Est. Priority Date: 10/23/1992
  • Status: Expired due to Term
First Claim
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1. A solid polymer electrolyte comprising a composite of:

  • (a) a polymeric component, wherein said polymeric component comprises at least one member selected from the group consisting of;

    (i) a homopolymer of a 2-acryloyloxyethylcarbamic acid ester monomer,(ii) a homopolymer of a 2-methacryloyloxyethylcarbamic acid ester monomer, and(iii) a copolymer comprising at least one monomer selected from the group consisting of a 2-acryloyloxyethylcarbamic acid ester, and a 2-methacryloyloxyethylcarbamic acid ester,wherein said 2-acryloyloxyethylcarbamic acid ester is represented by formula (I);

    
    
    space="preserve" listing-type="equation">CH.sub.2 ═

    C(R.sup.1)C(═

    O)O(CH.sub.2).sub.2 NHC(═

    O)OR.sup.2(I)whereinR1 represents hydrogen;

    R2 represents an organic chain containing at least one oxyalkylene group, wherein said organic chain may be linear, branched or cyclic, and may contain one or more atoms other than carbon, hydrogen or oxygen; and

    wherein said 2-methacryloyloxyethylcarbamic acid ester is represented by formula (I'"'"');

    
    
    space="preserve" listing-type="equation">CH.sub.2 ═

    C(R.sup.1'"'"')C(═

    O)O(CH.sub.2).sub.2 NHC(═

    O)OR.sup.2'"'"'(I'"'"')whereinR1'"'"' represents methyl;

    R2'"'"' represents an organic chain containing at least one oxyalkylene group, wherein said organic chain may be linear, branched or cyclic, and may contain one or more atoms other than carbon, hydrogen or oxygen; and

    (b) at least one electrolyte salt.

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