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Non-aqueous electrolyte battery with spiral wound electrodes

  • US 4,604,333 A
  • Filed: 07/01/1985
  • Issued: 08/05/1986
  • Est. Priority Date: 04/06/1983
  • Status: Expired due to Term
First Claim
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1. A non-aqueous electrolyte battery comprising:

  • a negative electrode of a light metal having an elongated shape elongated in a first direction, said negative electrode having first and second opposed surfaces;

    an elongated separator having first and second opposed surfaces, said first separator surface being disposed on one of said electrode surfaces;

    a positive electrode of elongated shape having first and second opposed surfaces, one of said positive electrode surfaces being disposed against said separator second surface;

    a positive lead extending over at least one of said surfaces of said positive electrode, and being electrically coupled thereto;

    a negative lead being disposed over at least one of said negative electrode surfaces and being electrically coupled thereto;

    first heat resistant insulating member of a material different from said separator disposed over said negative electrode on said second surface opposite substantially only said negative lead and over substantially only said negative lead; and

    second heat resistant insulating member of a material different from said separator disposed substantially only over said positive electrode on said second surface opposite substantially only said positive lead and over said positive lead;

    wherein said positive and negative electrodes, separator, leads, and first and second heat insulating members form an electrode body, said electrode body being spirally wound upon itself, such that said negative and positive leads are disposed opposite said positive and negative electrodes respectively.

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